- It is no longer possible to upload/edit/delete a transfer after it is considered paid

- When deleting a row, the transfers are also deleted from the storage

.gitignore

@@ -37,4 +37,5 @@ next-env.d.ts
 
 .env
 .yarn/*
-.history*
+.history*
+__ENV.js

.vscode/launch.json

@@ -0,0 +1,28 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+      {
+        "name": "Next.js: debug server-side",
+        "type": "node-terminal",
+        "request": "launch",
+        "command": "npm run dev"
+      },
+      {
+        "name": "Next.js: debug client-side",
+        "type": "chrome",
+        "request": "launch",
+        "url": "http://localhost:3000"
+      },
+      {
+        "name": "Next.js: debug full stack",
+        "type": "node-terminal",
+        "request": "launch",
+        "command": "npm run dev",
+        "serverReadyAction": {
+          "pattern": "- Local:.+(https?://.+)",
+          "uriFormat": "%s",
+          "action": "debugWithChrome"
+        }
+      }
+    ]
+  }

package.json

@@ -10,10 +10,13 @@
     "prepare": "husky install"
   },
   "dependencies": {
+    "@beam-australia/react-env": "^3.1.1",
     "@headlessui/react": "^1.7.13",
     "@mdi/js": "^7.1.96",
     "@mdi/react": "^1.6.1",
     "@next/font": "13.1.6",
+    "@paypal/paypal-js": "^7.1.0",
+    "@paypal/react-paypal-js": "^8.1.3",
     "@tanstack/react-table": "^8.10.1",
     "@types/node": "18.13.0",
     "@types/react": "18.0.27",
@@ -24,6 +27,7 @@
     "clsx": "^1.2.1",
     "countries-list": "^3.0.1",
     "country-codes-list": "^1.6.11",
+    "currency-symbol-map": "^5.1.0",
     "daisyui": "^3.1.5",
     "eslint": "8.33.0",
     "eslint-config-next": "13.1.6",
@@ -33,6 +37,7 @@
     "formidable": "^3.5.0",
     "formidable-serverless": "^1.1.1",
     "framer-motion": "^9.0.2",
+    "howler": "^2.2.4",
     "iron-session": "^6.3.1",
     "lodash": "^4.17.21",
     "moment": "^2.29.4",
@@ -44,6 +49,8 @@
     "random-words": "^2.0.0",
     "react": "18.2.0",
     "react-chartjs-2": "^5.2.0",
+    "react-csv": "^2.2.2",
+    "react-currency-input-field": "^3.6.12",
     "react-datepicker": "^4.18.0",
     "react-dom": "18.2.0",
     "react-firebase-hooks": "^5.1.1",
@@ -68,9 +75,11 @@
   },
   "devDependencies": {
     "@types/formidable": "^3.4.0",
+    "@types/howler": "^2.2.11",
     "@types/lodash": "^4.14.191",
     "@types/nodemailer": "^6.4.11",
     "@types/nodemailer-express-handlebars": "^4.0.3",
+    "@types/react-csv": "^1.1.10",
     "@types/react-datepicker": "^4.15.1",
     "@types/uuid": "^9.0.1",
     "@types/wavesurfer.js": "^6.0.6",
@@ -78,6 +87,7 @@
     "autoprefixer": "^10.4.13",
     "husky": "^8.0.3",
     "postcss": "^8.4.21",
-    "tailwindcss": "^3.2.4"
+    "tailwindcss": "^3.2.4",
+    "types/": "paypal/react-paypal-js"
   }
 }

src/components/DemographicInformationInput.tsx

@@ -12,16 +12,21 @@ import {KeyedMutator} from "swr";
 import CountrySelect from "./Low/CountrySelect";
 
 interface Props {
+	user: User;
 	mutateUser: KeyedMutator<User>;
 }
 
-export default function DemographicInformationInput({mutateUser}: Props) {
+export default function DemographicInformationInput({user, mutateUser}: Props) {
 	const [country, setCountry] = useState<string>();
 	const [phone, setPhone] = useState<string>();
 	const [gender, setGender] = useState<Gender>();
 	const [employment, setEmployment] = useState<EmploymentStatus>();
+	const [position, setPosition] = useState<string>();
 	const [isLoading, setIsLoading] = useState(false);
 
+	const [companyName, setCompanyName] = useState<string>();
+	const [commercialRegistration, setCommercialRegistration] = useState<string>();
+
 	const save = (e?: FormEvent) => {
 		if (e) e.preventDefault();
 		setIsLoading(true);
@@ -32,8 +37,10 @@ export default function DemographicInformationInput({mutateUser}: Props) {
 					country,
 					phone: `+${countryCodes.findOne("countryCode" as any, country!).countryCallingCode}${phone}`,
 					gender,
-					employment,
+					employment: user.type === "corporate" ? undefined : employment,
+					position: user.type === "corporate" ? position : undefined,
 				},
+				agentInformation: user.type === "agent" ? {companyName, commercialRegistration} : undefined,
 			})
 			.then((response) => mutateUser((response.data as {user: User}).user))
 			.catch(() => {
@@ -53,6 +60,18 @@ export default function DemographicInformationInput({mutateUser}: Props) {
 				about yourself.
 			</h2>
 			<form className="flex flex-col items-center justify-items-center gap-6 w-full h-full -md:px-4 lg:w-1/2 mb-32" onSubmit={save}>
+				{user.type === "agent" && (
+					<div className="w-full flex gap-8">
+						<Input type="text" onChange={setCompanyName} name="companyName" label="Corporate Name" required />
+						<Input
+							type="text"
+							onChange={setCommercialRegistration}
+							name="commercialRegistration"
+							label="Commercial Registration"
+							required
+						/>
+					</div>
+				)}
 				<div className="relative flex flex-col gap-3 w-full">
 					<label className="font-normal text-base text-mti-gray-dim">Country *</label>
 					<CountrySelect value={country} onChange={setCountry} />
@@ -99,25 +118,32 @@ export default function DemographicInformationInput({mutateUser}: Props) {
 						</RadioGroup.Option>
 					</RadioGroup>
 				</div>
-				<div className="relative flex flex-col gap-3 w-full">
-					<label className="font-normal text-base text-mti-gray-dim">Employment Status *</label>
-					<RadioGroup value={employment} onChange={setEmployment} className="grid grid-cols-2 items-center gap-4 place-items-center">
-						{EMPLOYMENT_STATUS.map(({status, label}) => (
-							<RadioGroup.Option value={status} key={status}>
-								{({checked}) => (
-									<span
-										className={clsx(
-											"px-6 py-4 w-44 md:w-48 flex justify-center text-sm font-normal rounded-full border focus:outline-none cursor-pointer",
-											"transition duration-300 ease-in-out",
-											!checked ? "bg-white border-mti-gray-platinum" : "bg-mti-purple-light border-mti-purple-dark text-white",
-										)}>
-										{label}
-									</span>
-								)}
-							</RadioGroup.Option>
-						))}
-					</RadioGroup>
-				</div>
+				{user.type === "corporate" && (
+					<Input name="position" onChange={setPosition} type="text" label="Position" placeholder="CEO, Head of Marketing..." required />
+				)}
+				{user.type !== "corporate" && (
+					<div className="relative flex flex-col gap-3 w-full">
+						<label className="font-normal text-base text-mti-gray-dim">Employment Status *</label>
+						<RadioGroup value={employment} onChange={setEmployment} className="grid grid-cols-2 items-center gap-4 place-items-center">
+							{EMPLOYMENT_STATUS.map(({status, label}) => (
+								<RadioGroup.Option value={status} key={status}>
+									{({checked}) => (
+										<span
+											className={clsx(
+												"px-6 py-4 w-44 md:w-48 flex justify-center text-sm font-normal rounded-full border focus:outline-none cursor-pointer",
+												"transition duration-300 ease-in-out",
+												!checked
+													? "bg-white border-mti-gray-platinum"
+													: "bg-mti-purple-light border-mti-purple-dark text-white",
+											)}>
+											{label}
+										</span>
+									)}
+								</RadioGroup.Option>
+							))}
+						</RadioGroup>
+					</div>
+				)}
 			</form>
 
 			<div className="self-end flex justify-end w-full gap-8 absolute bottom-8 left-0 px-8">
@@ -125,7 +151,14 @@ export default function DemographicInformationInput({mutateUser}: Props) {
 					className="lg:mt-8 max-w-[400px] w-full self-end"
 					color="purple"
 					onClick={save}
-					disabled={isLoading || !country || !phone || !gender || !employment}>
+					disabled={
+						isLoading ||
+						!country ||
+						!phone ||
+						!gender ||
+						(user.type === "corporate" ? !position : !employment) ||
+						(user.type === "agent" ? !companyName || !commercialRegistration : false)
+					}>
 					{!isLoading && "Save information"}
 					{isLoading && (
 						<div className="flex items-center justify-center">

src/components/Diagnostic.tsx

@@ -1,5 +1,4 @@
 import {infoButtonStyle} from "@/constants/buttonStyles";
-import {BAND_SCORES} from "@/constants/ielts";
 import {Module} from "@/interfaces";
 import {User} from "@/interfaces/user";
 import useExamStore from "@/stores/examStore";
@@ -23,8 +22,8 @@ interface Props {
 
 export default function Diagnostic({onFinish}: Props) {
 	const [focus, setFocus] = useState<"academic" | "general">();
-	const [levels, setLevels] = useState({reading: -1, listening: -1, writing: -1, speaking: -1});
-	const [desiredLevels, setDesiredLevels] = useState({reading: 9, listening: 9, writing: 9, speaking: 9});
+	const [levels, setLevels] = useState({reading: -1, listening: -1, writing: -1, speaking: -1, level: 0});
+	const [desiredLevels, setDesiredLevels] = useState({reading: 9, listening: 9, writing: 9, speaking: 9, level: 9});
 
 	const router = useRouter();
 
@@ -52,7 +51,7 @@ export default function Diagnostic({onFinish}: Props) {
 		axios
 			.patch("/api/users/update", {
 				focus,
-				levels: Object.values(levels).includes(-1) ? {reading: 0, listening: 0, writing: 0, speaking: 0} : levels,
+				levels: Object.values(levels).includes(-1) ? {reading: 0, listening: 0, writing: 0, speaking: 0, level: 0} : levels,
 				desiredLevels,
 				isFirstLogin: false,
 			})

src/components/Exercises/InteractiveSpeaking.tsx

@@ -11,7 +11,16 @@ const ReactMediaRecorder = dynamic(() => import("react-media-recorder").then((mo
 	ssr: false,
 });
 
-export default function InteractiveSpeaking({id, title, text, type, prompts, onNext, onBack}: InteractiveSpeakingExercise & CommonProps) {
+export default function InteractiveSpeaking({
+	id,
+	title,
+	text,
+	type,
+	prompts,
+	updateIndex,
+	onNext,
+	onBack,
+}: InteractiveSpeakingExercise & CommonProps) {
 	const [recordingDuration, setRecordingDuration] = useState(0);
 	const [isRecording, setIsRecording] = useState(false);
 	const [mediaBlob, setMediaBlob] = useState<string>();
@@ -20,6 +29,10 @@ export default function InteractiveSpeaking({id, title, text, type, prompts, onN
 
 	const hasExamEnded = useExamStore((state) => state.hasExamEnded);
 
+	useEffect(() => {
+		if (updateIndex) updateIndex(promptIndex);
+	}, [promptIndex, updateIndex]);
+
 	useEffect(() => {
 		if (hasExamEnded) {
 			onNext({

src/components/Exercises/MultipleChoice.tsx

@@ -48,7 +48,16 @@ function Question({
 	);
 }
 
-export default function MultipleChoice({id, prompt, type, questions, userSolutions, onNext, onBack}: MultipleChoiceExercise & CommonProps) {
+export default function MultipleChoice({
+	id,
+	prompt,
+	type,
+	questions,
+	userSolutions,
+	updateIndex,
+	onNext,
+	onBack,
+}: MultipleChoiceExercise & CommonProps) {
 	const [answers, setAnswers] = useState<{question: string; option: string}[]>(userSolutions);
 	const [questionIndex, setQuestionIndex] = useState(0);
 
@@ -59,6 +68,10 @@ export default function MultipleChoice({id, prompt, type, questions, userSolutio
 		// eslint-disable-next-line react-hooks/exhaustive-deps
 	}, [hasExamEnded]);
 
+	useEffect(() => {
+		if (updateIndex) updateIndex(questionIndex);
+	}, [questionIndex, updateIndex]);
+
 	const onSelectOption = (option: string) => {
 		const question = questions[questionIndex];
 		setAnswers((prev) => [...prev.filter((x) => x.question !== question.id), {option, question: question.id}]);

src/components/Exercises/Writing.tsx

@@ -26,6 +26,8 @@ export default function Writing({
 	const hasExamEnded = useExamStore((state) => state.hasExamEnded);
 
 	useEffect(() => {
+		if (localStorage.getItem("enable_paste")) return;
+
 		const listener = (e: KeyboardEvent) => {
 			if ((e.ctrlKey || e.metaKey) && e.key === "v") {
 				e.preventDefault();
@@ -93,22 +95,8 @@ export default function Writing({
 			)}
 			<div className="flex flex-col h-full w-full gap-9 mb-20">
 				<div className="flex flex-col w-full gap-7 bg-mti-gray-smoke rounded-xl py-8 pb-12 px-16">
-					<span>
-						{prefix.split("\\n").map((line, index) => (
-							<React.Fragment key={index}>
-								{line}
-								<br />
-							</React.Fragment>
-						))}
-					</span>
-					<span className="font-semibold">
-						{prompt.split("\\n").map((line, index) => (
-							<Fragment key={index}>
-								<p>{line}</p>
-								<br />
-							</Fragment>
-						))}
-					</span>
+					<span className="whitespace-pre-wrap">{prefix.replaceAll("\\n", "\n")}</span>
+					<span className="font-semibold whitespace-pre-wrap">{prompt.replaceAll("\\n", "\n")}</span>
 					{attachment && (
 						<img
 							onClick={() => setIsModalOpen(true)}
@@ -120,14 +108,7 @@ export default function Writing({
 				</div>
 
 				<div className="w-full h-full flex flex-col gap-4">
-					<span>
-						{suffix.split("\\n").map((line, index) => (
-							<React.Fragment key={index}>
-								{line}
-								<br />
-							</React.Fragment>
-						))}
-					</span>
+					<span className="whitespace-pre-wrap">{suffix}</span>
 					<textarea
 						onContextMenu={(e) => e.preventDefault()}
 						className="w-full h-full min-h-[300px] cursor-text px-7 py-8 input border-2 border-mti-gray-platinum bg-white rounded-3xl"

src/components/Exercises/index.tsx

@@ -22,11 +22,17 @@ import InteractiveSpeaking from "./InteractiveSpeaking";
 const MatchSentences = dynamic(() => import("@/components/Exercises/MatchSentences"), {ssr: false});
 
 export interface CommonProps {
+	updateIndex?: (internalIndex: number) => void;
 	onNext: (userSolutions: UserSolution) => void;
 	onBack: (userSolutions: UserSolution) => void;
 }
 
-export const renderExercise = (exercise: Exercise, onNext: (userSolutions: UserSolution) => void, onBack: (userSolutions: UserSolution) => void) => {
+export const renderExercise = (
+	exercise: Exercise,
+	onNext: (userSolutions: UserSolution) => void,
+	onBack: (userSolutions: UserSolution) => void,
+	updateIndex?: (internalIndex: number) => void,
+) => {
 	switch (exercise.type) {
 		case "fillBlanks":
 			return <FillBlanks key={exercise.id} {...(exercise as FillBlanksExercise)} onNext={onNext} onBack={onBack} />;
@@ -35,7 +41,15 @@ export const renderExercise = (exercise: Exercise, onNext: (userSolutions: UserS
 		case "matchSentences":
 			return <MatchSentences key={exercise.id} {...(exercise as MatchSentencesExercise)} onNext={onNext} onBack={onBack} />;
 		case "multipleChoice":
-			return <MultipleChoice key={exercise.id} {...(exercise as MultipleChoiceExercise)} onNext={onNext} onBack={onBack} />;
+			return (
+				<MultipleChoice
+					key={exercise.id}
+					{...(exercise as MultipleChoiceExercise)}
+					updateIndex={updateIndex}
+					onNext={onNext}
+					onBack={onBack}
+				/>
+			);
 		case "writeBlanks":
 			return <WriteBlanks key={exercise.id} {...(exercise as WriteBlanksExercise)} onNext={onNext} onBack={onBack} />;
 		case "writing":
@@ -43,6 +57,14 @@ export const renderExercise = (exercise: Exercise, onNext: (userSolutions: UserS
 		case "speaking":
 			return <Speaking key={exercise.id} {...(exercise as SpeakingExercise)} onNext={onNext} onBack={onBack} />;
 		case "interactiveSpeaking":
-			return <InteractiveSpeaking key={exercise.id} {...(exercise as InteractiveSpeakingExercise)} onNext={onNext} onBack={onBack} />;
+			return (
+				<InteractiveSpeaking
+					key={exercise.id}
+					{...(exercise as InteractiveSpeakingExercise)}
+					updateIndex={updateIndex}
+					onNext={onNext}
+					onBack={onBack}
+				/>
+			);
 	}
 };

src/components/Low/Badge.tsx

@@ -0,0 +1,30 @@
+import {Module} from "@/interfaces";
+import clsx from "clsx";
+import {BsBook, BsClipboard, BsHeadphones, BsMegaphone, BsPen} from "react-icons/bs";
+
+interface Props {
+	module: Module;
+	children: string;
+}
+
+export default function Badge({module, children}: Props) {
+	return (
+		<div
+			key={module}
+			className={clsx(
+				"flex gap-2 items-center w-fit text-white -md:px-4 xl:px-4 md:px-2 py-2 rounded-xl",
+				module === "reading" && "bg-ielts-reading",
+				module === "listening" && "bg-ielts-listening",
+				module === "writing" && "bg-ielts-writing",
+				module === "speaking" && "bg-ielts-speaking",
+				module === "level" && "bg-ielts-level",
+			)}>
+			{module === "reading" && <BsBook className="w-4 h-4" />}
+			{module === "listening" && <BsHeadphones className="w-4 h-4" />}
+			{module === "writing" && <BsPen className="w-4 h-4" />}
+			{module === "speaking" && <BsMegaphone className="w-4 h-4" />}
+			{module === "level" && <BsClipboard className="w-4 h-4" />}
+			<span className="text-sm">{children}</span>
+		</div>
+	);
+}

src/components/Low/Checkbox.tsx

@@ -6,11 +6,15 @@ interface Props {
 	isChecked: boolean;
 	onChange: (isChecked: boolean) => void;
 	children: ReactNode;
+	disabled?: boolean;
 }
 
-export default function Checkbox({isChecked, onChange, children}: Props) {
+export default function Checkbox({isChecked, onChange, children, disabled}: Props) {
 	return (
-		<div className="flex gap-3 items-center text-mti-gray-dim text-sm cursor-pointer" onClick={() => onChange(!isChecked)}>
+		<div className="flex gap-3 items-center text-mti-gray-dim text-sm cursor-pointer" onClick={() => {
+			if(disabled) return;
+			onChange(!isChecked);
+		}}>
 			<input type="checkbox" className="hidden" />
 			<div
 				className={clsx(

src/components/Low/Input.tsx

@@ -3,17 +3,31 @@ import {useState} from "react";
 
 interface Props {
 	type: "email" | "text" | "password" | "tel" | "number";
+	roundness?: "full" | "xl";
 	required?: boolean;
 	label?: string;
 	placeholder?: string;
 	defaultValue?: string | number;
+	value?: string | number;
 	className?: string;
 	disabled?: boolean;
 	name: string;
 	onChange: (value: string) => void;
 }
 
-export default function Input({type, label, placeholder, name, required = false, defaultValue, className, disabled = false, onChange}: Props) {
+export default function Input({
+	type,
+	label,
+	placeholder,
+	name,
+	required = false,
+	value,
+	defaultValue,
+	className,
+	roundness = "full",
+	disabled = false,
+	onChange,
+}: Props) {
 	const [showPassword, setShowPassword] = useState(false);
 
 	if (type === "password") {
@@ -57,9 +71,15 @@ export default function Input({type, label, placeholder, name, required = false,
 				type={type}
 				name={name}
 				disabled={disabled}
+				value={value}
 				onChange={(e) => onChange(e.target.value)}
+				min={type === "number" ? 0 : undefined}
 				placeholder={placeholder}
-				className="px-8 py-6 text-sm font-normal placeholder:text-mti-gray-cool disabled:bg-mti-gray-platinum/40 disabled:text-mti-gray-dim disabled:cursor-not-allowed bg-white rounded-full border border-mti-gray-platinum focus:outline-none"
+				className={clsx(
+					"px-8 py-6 text-sm font-normal bg-white border border-mti-gray-platinum focus:outline-none",
+					"placeholder:text-mti-gray-cool disabled:bg-mti-gray-platinum/40 disabled:text-mti-gray-dim disabled:cursor-not-allowed",
+					roundness === "full" ? "rounded-full" : "rounded-xl",
+				)}
 				required={required}
 				defaultValue={defaultValue}
 			/>

src/components/MobileMenu.tsx

@@ -103,14 +103,25 @@ export default function MobileMenu({isOpen, onClose, path, user}: Props) {
 										)}>
 										Record
 									</Link>
-									{user.type !== "student" && (
+									{["admin", "developer", "agent", "corporate"].includes(user.type) && (
 										<Link
-											href="/admin"
+											href="/payment-record"
 											className={clsx(
 												"transition ease-in-out duration-300 w-fit",
-												path === "/admin" && "text-mti-purple-light font-semibold border-b-2 border-b-mti-purple-light ",
+												path === "/payment-record" &&
+													"text-mti-purple-light font-semibold border-b-2 border-b-mti-purple-light ",
 											)}>
-											Admin
+											Payment Record
+										</Link>
+									)}
+									{["admin", "developer", "corporate", "teacher"].includes(user.type) && (
+										<Link
+											href="/settings"
+											className={clsx(
+												"transition ease-in-out duration-300 w-fit",
+												path === "/settings" && "text-mti-purple-light font-semibold border-b-2 border-b-mti-purple-light ",
+											)}>
+											Settings
 										</Link>
 									)}
 									<Link

src/components/Navbar.tsx

@@ -8,6 +8,8 @@ import clsx from "clsx";
 import moment from "moment";
 import MobileMenu from "./MobileMenu";
 import {useState} from "react";
+import {Type} from "@/interfaces/user";
+import {USER_TYPE_LABELS} from "@/resources/user";
 
 interface Props {
 	user: User;
@@ -53,7 +55,7 @@ export default function Navbar({user, path, navDisabled = false, focusMode = fal
 				<div className="flex justify-end -md:items-center gap-4 md:w-5/6 md:mr-8">
 					{showExpirationDate() && (
 						<Link
-							href="https://encoach.com/join"
+							href="/payment"
 							data-tip="Expiry date"
 							className={clsx(
 								"py-2 px-6 w-fit flex justify-center text-sm font-normal rounded-full border focus:outline-none cursor-pointer",
@@ -69,7 +71,9 @@ export default function Navbar({user, path, navDisabled = false, focusMode = fal
 					)}
 					<Link href={disableNavigation ? "" : "/profile"} className="flex gap-6 items-center justify-end -md:hidden">
 						<img src={user.profilePicture} alt={user.name} className="w-10 h-10 rounded-full object-cover" />
-						<span className="text-right -md:hidden">{user.name}</span>
+						<span className="text-right -md:hidden">
+							{user.name} | {USER_TYPE_LABELS[user.type]}
+						</span>
 					</Link>
 					<div className="cursor-pointer md:hidden" onClick={() => setIsMenuOpen(true)}>
 						<BsList className="text-mti-purple-light w-8 h-8" />

src/components/PayPalPayment.tsx

@@ -0,0 +1,66 @@
+import {DurationUnit} from "@/interfaces/paypal";
+import {CreateOrderActions, CreateOrderData, OnApproveActions, OnApproveData, OnCancelledActions, OrderResponseBody} from "@paypal/paypal-js";
+import {PayPalButtons, PayPalScriptProvider, usePayPalScriptReducer} from "@paypal/react-paypal-js";
+import axios from "axios";
+import {useEffect, useState} from "react";
+import {toast} from "react-toastify";
+
+interface Props {
+	clientID: string;
+	currency: string;
+	price: number;
+	duration: number;
+	duration_unit: DurationUnit;
+	setIsLoading: (isLoading: boolean) => void;
+	onSuccess: (duration: number, duration_unit: DurationUnit) => void;
+}
+
+export default function PayPalPayment({clientID, price, currency, duration, duration_unit, setIsLoading, onSuccess}: Props) {
+	const createOrder = async (data: CreateOrderData, actions: CreateOrderActions): Promise<string> => {
+		setIsLoading(true);
+
+		return axios
+			.post<OrderResponseBody>("/api/paypal", {currencyCode: currency, price})
+			.then((response) => response.data)
+			.then((data) => data.id);
+	};
+
+	const onApprove = async (data: OnApproveData, actions: OnApproveActions) => {
+		const request = await axios.post<{ok: boolean; reason?: string}>("/api/paypal/approve", {id: data.orderID, duration, duration_unit});
+
+		if (request.status !== 200) {
+			toast.error("Something went wrong, please try again later");
+			return;
+		}
+
+		toast.success("Your account has been credited more time!");
+		return onSuccess(duration, duration_unit);
+	};
+
+	const onError = async (data: Record<string, unknown>) => {
+		setIsLoading(false);
+	};
+
+	const onCancel = async (data: Record<string, unknown>, actions: OnCancelledActions) => {
+		setIsLoading(false);
+	};
+
+	return (
+		<PayPalScriptProvider
+			options={{
+				clientId: clientID,
+				currency,
+				intent: "capture",
+				commit: true,
+				vault: true,
+			}}>
+			<PayPalButtons
+				className="w-full"
+				style={{layout: "vertical"}}
+				createOrder={createOrder}
+				onApprove={onApprove}
+				onCancel={onCancel}
+				onError={onError}></PayPalButtons>
+		</PayPalScriptProvider>
+	);
+}

src/components/PaymentAssetManager.tsx

@@ -0,0 +1,150 @@
+import React, {ChangeEvent} from "react";
+import {BsUpload, BsDownload, BsTrash, BsArrowRepeat, BsXCircleFill} from "react-icons/bs";
+import {FilesStorage} from "@/interfaces/storage.files";
+import axios from "axios";
+
+interface Asset {
+	file: string | File;
+	complete: boolean;
+}
+
+const PaymentAssetManager = (props: {
+	asset: string | undefined;
+	permissions: "read" | "write";
+	type: FilesStorage;
+	reload: () => void;
+	paymentId: string;
+	canEdit: boolean;
+}) => {
+	const {asset, permissions, type, paymentId} = props;
+
+	const fileInputRef = React.useRef<HTMLInputElement>(null);
+	const fileInputReplaceRef = React.useRef<HTMLInputElement>(null);
+
+	const [managingAsset, setManagingAsset] = React.useState<Asset>({
+		file: asset || "",
+		complete: asset ? true : false,
+	});
+
+	const {file, complete} = managingAsset;
+
+	const deleteAsset = () => {
+		if (confirm("Are you sure you want to delete this document?")) {
+			axios
+				.delete(`/api/payments/files/${type}/${paymentId}`)
+				.then((response) => {
+					if (response.status === 200) {
+						console.log("File deleted successfully!");
+						setManagingAsset({
+							file: "",
+							complete: false,
+						});
+						return;
+					}
+
+					console.error("File deletion failed");
+				})
+				.catch((error) => {
+					console.error("Error occurred during file deletion:", error);
+				})
+				.finally(props.reload);
+		}
+	};
+
+	const renderFileInput = (onChange: any, ref: React.RefObject<HTMLInputElement>) => (
+		<input type="file" ref={ref} style={{display: "none"}} onChange={onChange} multiple={false} accept="application/pdf" />
+	);
+
+	const handleFileChange = async (e: Event, method: "post" | "patch") => {
+		const newFile = (e.target as HTMLInputElement).files?.[0];
+		if (newFile) {
+			setManagingAsset({
+				file: newFile,
+				complete: false,
+			});
+
+			const formData = new FormData();
+			formData.append("file", newFile);
+
+			axios[method](`/api/payments/files/${type}/${paymentId}`, formData, {
+				headers: {
+					"Content-Type": "multipart/form-data",
+				},
+			})
+				.then((response) => {
+					if (response.status === 200) {
+						console.log("File uploaded successfully!");
+						console.log("Uploaded File URL:", response.data.ref);
+						// Further actions upon successful upload
+						setManagingAsset({
+							file: response.data.ref,
+							complete: true,
+						});
+						return;
+					}
+
+					console.error("File upload failed");
+				})
+				.catch((error) => {
+					console.error("Error occurred during file upload:", error);
+				})
+				.finally(props.reload);
+		}
+	};
+
+	const downloadAsset = () => {
+		axios
+			.get(`/api/payments/files/${type}/${paymentId}`)
+			.then((response) => {
+				if (response.status === 200) {
+					console.log("Uploaded File URL:", response.data.url);
+					const link = document.createElement("a");
+					link.download = response.data.filename;
+					link.href = response.data.url;
+					link.click();
+					return;
+				}
+
+				console.error("Failed to download file");
+			})
+			.catch((error) => {
+				console.error("Error occurred during file upload:", error);
+			});
+	};
+
+	if (permissions === "read") {
+		if (file) return <BsDownload onClick={downloadAsset} />;
+		return null;
+	}
+
+	if (file) {
+		if (complete) {
+			return (
+				<>
+					<BsDownload onClick={downloadAsset} />
+					{props.canEdit && (
+						<>
+							<BsArrowRepeat onClick={() => fileInputReplaceRef.current?.click()} />
+							<BsTrash onClick={deleteAsset} />
+							{renderFileInput((e: Event) => handleFileChange(e, "patch"), fileInputReplaceRef)}
+							{renderFileInput((e: Event) => handleFileChange(e, "post"), fileInputRef)}
+						</>
+					)}
+				</>
+			);
+		}
+
+		return <span className="loading loading-infinity w-8" />;
+	}
+
+	return props.canEdit ? (
+		<>
+			<BsUpload onClick={() => fileInputRef.current?.click()} />
+			{renderFileInput((e: Event) => handleFileChange(e, "post"), fileInputRef)}
+		</>
+	) : (
+		<BsXCircleFill />
+	);
+};
+
+export default PaymentAssetManager;

src/components/ProfileCard.tsx

@@ -1,31 +0,0 @@
-/* eslint-disable @next/next/no-img-element */
-import {User} from "@/interfaces/user";
-import clsx from "clsx";
-import LevelLabel from "./LevelLabel";
-import LevelProgressBar from "./LevelProgressBar";
-import {Avatar} from "primereact/avatar";
-
-interface Props {
-	user: User;
-	className: string;
-}
-
-export default function ProfileCard({user, className}: Props) {
-	return (
-		<div className={clsx("bg-white drop-shadow-xl p-4 md:p-8 rounded-xl w-full flex flex-col gap-6", className)}>
-			<div className="flex w-full items-center gap-8">
-				<div className="w-16 md:w-24 h-16 md:h-24 rounded-full border-2 md:border-4 border-white drop-shadow-md md:drop-shadow-xl">
-					{user.profilePicture.length > 0 && <img src={user.profilePicture} alt="Profile picture" className="rounded-full object-cover" />}
-					{user.profilePicture.length === 0 && (
-						<Avatar size="xlarge" style={{width: "100%", height: "100%"}} label={user.name.slice(0, 1)} shape="circle" />
-					)}
-				</div>
-				<div className="flex flex-col justify-center">
-					<span className="text-neutral-600 font-bold text-xl lg:text-2xl">{user.name}</span>
-					<LevelLabel experience={user.experience} />
-				</div>
-			</div>
-			<LevelProgressBar experience={user.experience} progressBarWidth="w-32 md:w-96" />
-		</div>
-	);
-}

src/components/ProfileLevel.tsx

@@ -1,31 +0,0 @@
-/* eslint-disable @next/next/no-img-element */
-import {User} from "@/interfaces/user";
-import {levelCalculator} from "@/resources/level";
-import clsx from "clsx";
-import LevelLabel from "./LevelLabel";
-import LevelProgressBar from "./LevelProgressBar";
-import {Avatar} from "primereact/avatar";
-
-interface Props {
-	user: User;
-	className?: string;
-}
-
-export default function ProfileLevel({user, className}: Props) {
-	const levelResult = levelCalculator(user.experience);
-
-	return (
-		<div className={clsx("flex flex-col items-center justify-center gap-4", className)}>
-			<div className="w-16 md:w-24 h-16 md:h-24 rounded-full">
-				{user.profilePicture.length > 0 && <img src={user.profilePicture} alt="Profile picture" className="rounded-full object-cover" />}
-				{user.profilePicture.length === 0 && (
-					<Avatar size="xlarge" style={{width: "100%", height: "100%"}} label={user.name.slice(0, 1)} shape="circle" />
-				)}
-			</div>
-			<div className="flex flex-col gap-1 items-center">
-				<LevelLabel experience={user.experience} />
-				<LevelProgressBar experience={user.experience} className="text-black" />
-			</div>
-		</div>
-	);
-}

src/components/ProfileSummary.tsx

@@ -1,5 +1,6 @@
 /* eslint-disable @next/next/no-img-element */
 import {User} from "@/interfaces/user";
+import {USER_TYPE_LABELS} from "@/resources/user";
 import {calculateAverageLevel} from "@/utils/score";
 import {capitalize} from "lodash";
 import {ReactElement} from "react";
@@ -28,7 +29,7 @@ export default function ProfileSummary({user, items}: Props) {
 				<div className="flex -md:flex-col justify-between w-full gap-8">
 					<div className="flex flex-col gap-2 py-2">
 						<h1 className="font-bold text-2xl md:text-4xl">{user.name}</h1>
-						<h6 className="font-normal text-base text-mti-gray-taupe">{capitalize(user.type)}</h6>
+						<h6 className="font-normal text-base text-mti-gray-taupe">{USER_TYPE_LABELS[user.type]}</h6>
 					</div>
 					<ProgressBar
 						label={`Level ${calculateAverageLevel(user.levels).toFixed(1)}`}

src/components/Sidebar.tsx

@@ -1,7 +1,17 @@
 import clsx from "clsx";
 import {IconType} from "react-icons";
 import {MdSpaceDashboard} from "react-icons/md";
-import {BsFileEarmarkText, BsClockHistory, BsPencil, BsGraphUp, BsChevronBarRight, BsChevronBarLeft, BsShieldFill} from "react-icons/bs";
+import {
+	BsFileEarmarkText,
+	BsClockHistory,
+	BsPencil,
+	BsGraphUp,
+	BsChevronBarRight,
+	BsChevronBarLeft,
+	BsShieldFill,
+	BsCloudFill,
+	BsCurrencyDollar,
+} from "react-icons/bs";
 import {RiLogoutBoxFill} from "react-icons/ri";
 import {SlPencil} from "react-icons/sl";
 import {FaAward} from "react-icons/fa";
@@ -89,8 +99,35 @@ export default function Sidebar({path, navDisabled = false, focusMode = false, u
 				)}
 				<Nav disabled={disableNavigation} Icon={BsGraphUp} label="Stats" path={path} keyPath="/stats" isMinimized={isMinimized} />
 				<Nav disabled={disableNavigation} Icon={BsClockHistory} label="Record" path={path} keyPath="/record" isMinimized={isMinimized} />
-				{userType !== "student" && (
-					<Nav disabled={disableNavigation} Icon={BsShieldFill} label="Admin" path={path} keyPath="/admin" isMinimized={isMinimized} />
+				{["admin", "developer", "agent", "corporate"].includes(userType || "") && (
+					<Nav
+						disabled={disableNavigation}
+						Icon={BsCurrencyDollar}
+						label="Payment Record"
+						path={path}
+						keyPath="/payment-record"
+						isMinimized={isMinimized}
+					/>
+				)}
+				{["admin", "developer", "corporate", "teacher"].includes(userType || "") && (
+					<Nav
+						disabled={disableNavigation}
+						Icon={BsShieldFill}
+						label="Settings"
+						path={path}
+						keyPath="/settings"
+						isMinimized={isMinimized}
+					/>
+				)}
+				{userType === "developer" && (
+					<Nav
+						disabled={disableNavigation}
+						Icon={BsCloudFill}
+						label="Generation"
+						path={path}
+						keyPath="/generation"
+						isMinimized={isMinimized}
+					/>
 				)}
 			</div>
 			<div className="xl:hidden -xl:flex flex-col gap-3">
@@ -100,11 +137,14 @@ export default function Sidebar({path, navDisabled = false, focusMode = false, u
 				<Nav disabled={disableNavigation} Icon={BsGraphUp} label="Stats" path={path} keyPath="/stats" isMinimized={true} />
 				<Nav disabled={disableNavigation} Icon={BsClockHistory} label="Record" path={path} keyPath="/record" isMinimized={true} />
 				{userType !== "student" && (
-					<Nav disabled={disableNavigation} Icon={BsShieldFill} label="Admin" path={path} keyPath="/admin" isMinimized={true} />
+					<Nav disabled={disableNavigation} Icon={BsShieldFill} label="Settings" path={path} keyPath="/settings" isMinimized={true} />
+				)}
+				{userType === "developer" && (
+					<Nav disabled={disableNavigation} Icon={BsCloudFill} label="Generation" path={path} keyPath="/generation" isMinimized={true} />
 				)}
 			</div>
 
-			<div className="flex flex-col gap-0 absolute bottom-12">
+			<div className="flex flex-col gap-0 bottom-12 fixed">
 				<div
 					role="button"
 					tabIndex={1}

src/components/Solutions/InteractiveSpeaking.tsx

@@ -6,6 +6,8 @@ import Button from "../Low/Button";
 import dynamic from "next/dynamic";
 import axios from "axios";
 import {speakingReverseMarking} from "@/utils/score";
+import {Tab} from "@headlessui/react";
+import clsx from "clsx";
 
 const Waveform = dynamic(() => import("../Waveform"), {ssr: false});
 
@@ -47,7 +49,7 @@ export default function InteractiveSpeaking({
 					</div>
 					<div className="flex flex-col gap-4">
 						<span className="font-bold">You should talk about the following things:</span>
-						<div className="grid grid-cols-3 gap-6 text-center">
+						<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6 text-center">
 							{prompts.map((x, index) => (
 								<div className="italic flex flex-col gap-2 text-sm" key={index}>
 									<video key={index} controls className="">
@@ -61,11 +63,11 @@ export default function InteractiveSpeaking({
 				</div>
 
 				<div className="w-full h-full flex flex-col gap-8">
-					<div className="flex items-center gap-8">
+					<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-8">
 						{solutionsURL.map((x, index) => (
 							<div
 								key={index}
-								className="w-full min-w-[460px] p-4 px-8 bg-transparent border-2 border-mti-gray-platinum rounded-2xl flex-col gap-8 items-center">
+								className="w-full p-4 px-8 bg-transparent border-2 border-mti-gray-platinum rounded-2xl flex-col gap-8 items-center">
 								<div className="flex gap-8 items-center justify-center py-8">
 									<Waveform audio={x} waveColor="#FCDDEC" progressColor="#EF5DA8" />
 								</div>
@@ -73,7 +75,7 @@ export default function InteractiveSpeaking({
 						))}
 					</div>
 
-					{userSolutions && userSolutions.length > 0 && (
+					{userSolutions && userSolutions.length > 0 && userSolutions[0].evaluation && typeof userSolutions[0].evaluation !== "string" && (
 						<div className="flex flex-col gap-4 w-full">
 							<div className="flex gap-4 px-1">
 								{Object.keys(userSolutions[0].evaluation!.task_response).map((key) => (
@@ -82,9 +84,81 @@ export default function InteractiveSpeaking({
 									</div>
 								))}
 							</div>
-							<div className="w-full h-full min-h-fit cursor-text px-7 py-8 bg-mti-gray-smoke rounded-3xl">
-								{userSolutions[0].evaluation!.comment}
-							</div>
+							{userSolutions[0].evaluation &&
+							Object.keys(userSolutions[0].evaluation).filter((x) => x.startsWith("perfect_answer")).length === 3 ? (
+								<Tab.Group>
+									<Tab.List className="flex space-x-1 rounded-xl bg-ielts-speaking/20 p-1">
+										<Tab
+											className={({selected}) =>
+												clsx(
+													"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-speaking/80",
+													"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-speaking focus:outline-none focus:ring-2",
+													"transition duration-300 ease-in-out",
+													selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-speaking",
+												)
+											}>
+											Evaluation
+										</Tab>
+										<Tab
+											className={({selected}) =>
+												clsx(
+													"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-speaking/80",
+													"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-speaking focus:outline-none focus:ring-2",
+													"transition duration-300 ease-in-out",
+													selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-speaking",
+												)
+											}>
+											Recommended Answer (Prompt 1)
+										</Tab>
+										<Tab
+											className={({selected}) =>
+												clsx(
+													"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-speaking/80",
+													"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-speaking focus:outline-none focus:ring-2",
+													"transition duration-300 ease-in-out",
+													selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-speaking",
+												)
+											}>
+											Recommended Answer (Prompt 2)
+										</Tab>
+										<Tab
+											className={({selected}) =>
+												clsx(
+													"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-speaking/80",
+													"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-speaking focus:outline-none focus:ring-2",
+													"transition duration-300 ease-in-out",
+													selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-speaking",
+												)
+											}>
+											Recommended Answer (Prompt 3)
+										</Tab>
+									</Tab.List>
+									<Tab.Panels>
+										<Tab.Panel className="w-full bg-ielts-speaking/10 h-fit rounded-xl p-6 flex flex-col gap-4">
+											<span className="w-full h-full min-h-fit cursor-text">{userSolutions[0].evaluation!.comment}</span>
+										</Tab.Panel>
+										<Tab.Panel className="w-full bg-ielts-speaking/10 h-fit rounded-xl p-6 flex flex-col gap-4">
+											<span className="w-full h-full min-h-fit cursor-text whitespace-pre-wrap">
+												{userSolutions[0].evaluation!.perfect_answer_1!.replaceAll(/\s{2,}/g, "\n\n")}
+											</span>
+										</Tab.Panel>
+										<Tab.Panel className="w-full bg-ielts-speaking/10 h-fit rounded-xl p-6 flex flex-col gap-4">
+											<span className="w-full h-full min-h-fit cursor-text whitespace-pre-wrap">
+												{userSolutions[0].evaluation!.perfect_answer_2!.replaceAll(/\s{2,}/g, "\n\n")}
+											</span>
+										</Tab.Panel>
+										<Tab.Panel className="w-full bg-ielts-speaking/10 h-fit rounded-xl p-6 flex flex-col gap-4">
+											<span className="w-full h-full min-h-fit cursor-text whitespace-pre-wrap">
+												{userSolutions[0].evaluation!.perfect_answer_3!.replaceAll(/\s{2,}/g, "\n\n")}
+											</span>
+										</Tab.Panel>
+									</Tab.Panels>
+								</Tab.Group>
+							) : (
+								<div className="w-full h-full min-h-fit cursor-text px-7 py-8 bg-ielts-speaking/10 rounded-3xl">
+									{userSolutions[0].evaluation!.comment}
+								</div>
+							)}
 						</div>
 					)}
 				</div>

src/components/Solutions/MultipleChoice.tsx

@@ -1,7 +1,7 @@
 /* eslint-disable @next/next/no-img-element */
 import {MultipleChoiceExercise, MultipleChoiceQuestion} from "@/interfaces/exam";
 import clsx from "clsx";
-import {useState} from "react";
+import {useEffect, useState} from "react";
 import {CommonProps} from ".";
 import Button from "../Low/Button";
 
@@ -54,7 +54,16 @@ function Question({
 	);
 }
 
-export default function MultipleChoice({id, type, prompt, questions, userSolutions, onNext, onBack}: MultipleChoiceExercise & CommonProps) {
+export default function MultipleChoice({
+	id,
+	type,
+	prompt,
+	questions,
+	userSolutions,
+	updateIndex,
+	onNext,
+	onBack,
+}: MultipleChoiceExercise & CommonProps) {
 	const [questionIndex, setQuestionIndex] = useState(0);
 
 	const calculateScore = () => {
@@ -67,6 +76,10 @@ export default function MultipleChoice({id, type, prompt, questions, userSolutio
 		return {total, correct, missing};
 	};
 
+	useEffect(() => {
+		if (updateIndex) updateIndex(questionIndex);
+	}, [questionIndex, updateIndex]);
+
 	const next = () => {
 		if (questionIndex === questions.length - 1) {
 			onNext({exercise: id, solutions: userSolutions, score: calculateScore(), type});

src/components/Solutions/Speaking.tsx

@@ -6,6 +6,8 @@ import Button from "../Low/Button";
 import dynamic from "next/dynamic";
 import axios from "axios";
 import {speakingReverseMarking} from "@/utils/score";
+import {Tab} from "@headlessui/react";
+import clsx from "clsx";
 
 const Waveform = dynamic(() => import("../Waveform"), {ssr: false});
 
@@ -69,7 +71,7 @@ export default function Speaking({id, type, title, video_url, text, prompts, use
 							{solutionURL && <Waveform audio={solutionURL} waveColor="#FCDDEC" progressColor="#EF5DA8" />}
 						</div>
 					</div>
-					{userSolutions && userSolutions.length > 0 && (
+					{userSolutions && userSolutions.length > 0 && userSolutions[0].evaluation && typeof userSolutions[0].evaluation !== "string" && (
 						<div className="flex flex-col gap-4 w-full">
 							<div className="flex gap-4 px-1">
 								{Object.keys(userSolutions[0].evaluation!.task_response).map((key) => (
@@ -78,9 +80,52 @@ export default function Speaking({id, type, title, video_url, text, prompts, use
 									</div>
 								))}
 							</div>
-							<div className="w-full h-full min-h-fit cursor-text px-7 py-8 bg-mti-gray-smoke rounded-3xl">
-								{userSolutions[0].evaluation!.comment}
-							</div>
+							{userSolutions[0].evaluation &&
+							(userSolutions[0].evaluation.perfect_answer || userSolutions[0].evaluation.perfect_answer_1) ? (
+								<Tab.Group>
+									<Tab.List className="flex space-x-1 rounded-xl bg-ielts-speaking/20 p-1">
+										<Tab
+											className={({selected}) =>
+												clsx(
+													"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-speaking/80",
+													"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-speaking focus:outline-none focus:ring-2",
+													"transition duration-300 ease-in-out",
+													selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-speaking",
+												)
+											}>
+											Evaluation
+										</Tab>
+										<Tab
+											className={({selected}) =>
+												clsx(
+													"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-speaking/80",
+													"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-speaking focus:outline-none focus:ring-2",
+													"transition duration-300 ease-in-out",
+													selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-speaking",
+												)
+											}>
+											Recommended Answer
+										</Tab>
+									</Tab.List>
+									<Tab.Panels>
+										<Tab.Panel className="w-full bg-ielts-speaking/10 h-fit rounded-xl p-6 flex flex-col gap-4">
+											<span className="w-full h-full min-h-fit cursor-text">{userSolutions[0].evaluation!.comment}</span>
+										</Tab.Panel>
+										<Tab.Panel className="w-full bg-ielts-speaking/10 h-fit rounded-xl p-6 flex flex-col gap-4">
+											<span className="w-full h-full min-h-fit cursor-text whitespace-pre-wrap">
+												{userSolutions[0].evaluation!.perfect_answer &&
+													userSolutions[0].evaluation!.perfect_answer.replaceAll(/\s{2,}/g, "\n\n")}
+												{userSolutions[0].evaluation!.perfect_answer_1 &&
+													userSolutions[0].evaluation!.perfect_answer_1.replaceAll(/\s{2,}/g, "\n\n")}
+											</span>
+										</Tab.Panel>
+									</Tab.Panels>
+								</Tab.Group>
+							) : (
+								<div className="w-full h-full min-h-fit cursor-text px-7 py-8 bg-ielts-speaking/10 rounded-3xl">
+									{userSolutions[0].evaluation!.comment}
+								</div>
+							)}
 						</div>
 					)}
 				</div>

src/components/Solutions/Writing.tsx

@@ -1,15 +1,11 @@
 /* eslint-disable @next/next/no-img-element */
-import {errorButtonStyle, infoButtonStyle} from "@/constants/buttonStyles";
 import {WritingExercise} from "@/interfaces/exam";
-import {mdiArrowLeft, mdiArrowRight} from "@mdi/js";
-import Icon from "@mdi/react";
-import clsx from "clsx";
 import {CommonProps} from ".";
-import {Fragment, useEffect, useState} from "react";
-import {toast} from "react-toastify";
+import {Fragment, useState} from "react";
 import Button from "../Low/Button";
-import {Dialog, Transition} from "@headlessui/react";
+import {Dialog, Tab, Transition} from "@headlessui/react";
 import {writingReverseMarking} from "@/utils/score";
+import clsx from "clsx";
 
 export default function Writing({id, type, prompt, attachment, userSolutions, onNext, onBack}: WritingExercise & CommonProps) {
 	const [isModalOpen, setIsModalOpen] = useState(false);
@@ -79,7 +75,7 @@ export default function Writing({id, type, prompt, attachment, userSolutions, on
 							/>
 						</div>
 					)}
-					{userSolutions && userSolutions.length > 0 && (
+					{userSolutions && userSolutions.length > 0 && userSolutions[0].evaluation && typeof userSolutions[0].evaluation !== "string" && (
 						<div className="flex flex-col gap-4 w-full">
 							<div className="flex gap-4 px-1">
 								{Object.keys(userSolutions[0].evaluation!.task_response).map((key) => (
@@ -88,9 +84,48 @@ export default function Writing({id, type, prompt, attachment, userSolutions, on
 									</div>
 								))}
 							</div>
-							<div className="w-full h-full min-h-fit cursor-text px-7 py-8 bg-mti-gray-smoke rounded-3xl">
-								{userSolutions[0].evaluation!.comment}
-							</div>
+							{userSolutions[0].evaluation && userSolutions[0].evaluation.perfect_answer ? (
+								<Tab.Group>
+									<Tab.List className="flex space-x-1 rounded-xl bg-ielts-writing/20 p-1">
+										<Tab
+											className={({selected}) =>
+												clsx(
+													"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-writing/80",
+													"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-writing focus:outline-none focus:ring-2",
+													"transition duration-300 ease-in-out",
+													selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-writing",
+												)
+											}>
+											Evaluation
+										</Tab>
+										<Tab
+											className={({selected}) =>
+												clsx(
+													"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-writing/80",
+													"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-writing focus:outline-none focus:ring-2",
+													"transition duration-300 ease-in-out",
+													selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-writing",
+												)
+											}>
+											Recommended Answer
+										</Tab>
+									</Tab.List>
+									<Tab.Panels>
+										<Tab.Panel className="w-full bg-ielts-writing/10 h-fit rounded-xl p-6 flex flex-col gap-4">
+											<span className="w-full h-full min-h-fit cursor-text">{userSolutions[0].evaluation!.comment}</span>
+										</Tab.Panel>
+										<Tab.Panel className="w-full bg-ielts-writing/10 h-fit rounded-xl p-6 flex flex-col gap-4">
+											<span className="w-full h-full min-h-fit cursor-text whitespace-pre-wrap">
+												{userSolutions[0].evaluation!.perfect_answer.replaceAll(/\s{2,}/g, "\n\n")}
+											</span>
+										</Tab.Panel>
+									</Tab.Panels>
+								</Tab.Group>
+							) : (
+								<div className="w-full h-full min-h-fit cursor-text px-7 py-8 bg-ielts-writing/10 rounded-3xl">
+									{userSolutions[0].evaluation!.comment}
+								</div>
+							)}
 						</div>
 					)}
 				</div>

src/components/Solutions/index.tsx

@@ -22,11 +22,12 @@ import Writing from "./Writing";
 const MatchSentences = dynamic(() => import("@/components/Solutions/MatchSentences"), {ssr: false});
 
 export interface CommonProps {
+	updateIndex?: (internalIndex: number) => void;
 	onNext: (userSolutions: UserSolution) => void;
 	onBack: (userSolutions: UserSolution) => void;
 }
 
-export const renderSolution = (exercise: Exercise, onNext: () => void, onBack: () => void) => {
+export const renderSolution = (exercise: Exercise, onNext: () => void, onBack: () => void, updateIndex?: (internalIndex: number) => void) => {
 	switch (exercise.type) {
 		case "fillBlanks":
 			return <FillBlanks {...(exercise as FillBlanksExercise)} onNext={onNext} onBack={onBack} />;
@@ -35,7 +36,7 @@ export const renderSolution = (exercise: Exercise, onNext: () => void, onBack: (
 		case "matchSentences":
 			return <MatchSentences {...(exercise as MatchSentencesExercise)} onNext={onNext} onBack={onBack} />;
 		case "multipleChoice":
-			return <MultipleChoice {...(exercise as MultipleChoiceExercise)} onNext={onNext} onBack={onBack} />;
+			return <MultipleChoice {...(exercise as MultipleChoiceExercise)} updateIndex={updateIndex} onNext={onNext} onBack={onBack} />;
 		case "writeBlanks":
 			return <WriteBlanks {...(exercise as WriteBlanksExercise)} onNext={onNext} onBack={onBack} />;
 		case "writing":

src/components/UserCard.tsx

@@ -6,7 +6,7 @@ import axios from "axios";
 import clsx from "clsx";
 import moment from "moment";
 import {Divider} from "primereact/divider";
-import {useState} from "react";
+import {useEffect, useState} from "react";
 import ReactDatePicker from "react-datepicker";
 import {BsFileEarmarkText, BsPencil, BsStar} from "react-icons/bs";
 import {toast} from "react-toastify";
@@ -17,6 +17,8 @@ import Input from "./Low/Input";
 import ProfileSummary from "./ProfileSummary";
 import Select from "react-select";
 import useUsers from "@/hooks/useUsers";
+import {USER_TYPE_LABELS} from "@/resources/user";
+import {CURRENCIES} from "@/resources/paypal";
 
 const expirationDateColor = (date: Date) => {
 	const momentDate = moment(date);
@@ -33,22 +35,103 @@ interface Props {
 	onClose: (reload?: boolean) => void;
 	onViewStudents?: () => void;
 	onViewTeachers?: () => void;
+	onViewCorporate?: () => void;
+	disabled?: boolean;
 }
 
-const UserCard = ({user, loggedInUser, onClose, onViewStudents, onViewTeachers}: Props) => {
+const USER_STATUS_OPTIONS = [
+	{
+		value: 'active',
+		label: 'Active',
+	}, {
+		value: 'disabled',
+		label: 'Disabled',
+	}, {
+		value: 'paymentDue',
+		label: 'Payment Due',
+	}
+];
+
+const USER_TYPE_OPTIONS = Object.keys(USER_TYPE_LABELS).map((type) => ({
+	value: type,
+	label: USER_TYPE_LABELS[type as keyof typeof USER_TYPE_LABELS]
+}));
+
+const CURRENCIES_OPTIONS = CURRENCIES.map(({ label, currency}) => ({ value: currency, label }));
+
+const UserCard = ({user, loggedInUser, onClose, onViewStudents, onViewTeachers, onViewCorporate, disabled = false}: Props) => {
 	const [expiryDate, setExpiryDate] = useState<Date | null | undefined>(user.subscriptionExpirationDate);
-	const [referralAgent, setReferralAgent] = useState(user.corporateInformation?.referralAgent);
 	const [type, setType] = useState(user.type);
 	const [status, setStatus] = useState(user.status);
+	const [referralAgentLabel, setReferralAgentLabel] = useState<string>();
+	const [position, setPosition] = useState<string | undefined>(user.type === "corporate" ? user.demographicInformation?.position : undefined);
 
+	const [referralAgent, setReferralAgent] = useState(user.type === "corporate" ? user.corporateInformation?.referralAgent : undefined);
+	const [companyName, setCompanyName] = useState(
+		user.type === "corporate"
+			? user.corporateInformation?.companyInformation.name
+			: user.type === "agent"
+			? user.agentInformation.companyName
+			: undefined,
+	);
+	const [commercialRegistration, setCommercialRegistration] = useState(
+		user.type === "agent" ? user.agentInformation.commercialRegistration : undefined,
+	);
+	const [userAmount, setUserAmount] = useState(user.type === "corporate" ? user.corporateInformation?.companyInformation.userAmount : undefined);
+	const [paymentValue, setPaymentValue] = useState(user.type === "corporate" ? user.corporateInformation?.payment?.value : undefined);
+	const [paymentCurrency, setPaymentCurrency] = useState(user.type === "corporate" ? user.corporateInformation?.payment?.currency : "EUR");
+	const [monthlyDuration, setMonthlyDuration] = useState(user.type === "corporate" ? user.corporateInformation?.monthlyDuration : undefined);
+	const [commissionValue, setCommission] = useState(user.type === "corporate" ? user.corporateInformation?.payment?.commission : undefined);
 	const {stats} = useStats(user.id);
 	const {users} = useUsers();
 
+	useEffect(() => {
+		if (users && users.length > 0) {
+			if (!referralAgent) {
+				setReferralAgentLabel("No manager");
+				return;
+			}
+
+			const agent = users.find((x) => x.id === referralAgent);
+			setReferralAgentLabel(`${agent?.name} - ${agent?.email}`);
+		}
+	}, [users, referralAgent]);
+
 	const updateUser = () => {
+		if (user.type === "corporate" && (!paymentValue || paymentValue < 0))
+			return toast.error("Please set a price for the user's package before updating!");
 		if (!confirm(`Are you sure you want to update ${user.name}'s account?`)) return;
 
 		axios
-			.post<{user?: User; ok?: boolean}>(`/api/users/update?id=${user.id}`, {...user, subscriptionExpirationDate: expiryDate, type, status})
+			.post<{user?: User; ok?: boolean}>(`/api/users/update?id=${user.id}`, {
+				...user,
+				subscriptionExpirationDate: expiryDate,
+				type,
+				status,
+				agentInformation:
+					type === "agent"
+						? {
+								name: companyName,
+								commercialRegistration,
+						  }
+						: undefined,
+				corporateInformation:
+					type === "corporate"
+						? {
+								referralAgent,
+								monthlyDuration,
+								companyInformation: {
+									name: companyName,
+									userAmount,
+								},
+								payment: {
+									value: paymentValue,
+									currency: paymentCurrency,
+									...(referralAgent === "" ? {} : {commission: commissionValue}),
+								},
+						  }
+						: undefined,
+			})
 			.then(() => {
 				toast.success("User updated successfully!");
 				onClose(true);
@@ -81,6 +164,156 @@ const UserCard = ({user, loggedInUser, onClose, onViewStudents, onViewTeachers}:
 				]}
 			/>
 
+			{user.type === "agent" && (
+				<>
+					<div className="grid grid-cols-1 md:grid-cols-2 gap-8 w-full">
+						<Input
+							label="Corporate Name"
+							type="text"
+							name="companyName"
+							onChange={setCompanyName}
+							placeholder="Enter corporate name"
+							defaultValue={companyName}
+							required
+							disabled={disabled}
+						/>
+						<Input
+							label="Commercial Registration"
+							type="text"
+							name="commercialRegistration"
+							onChange={setCommercialRegistration}
+							placeholder="Enter commercial registration"
+							defaultValue={commercialRegistration}
+							required
+							disabled={disabled}
+						/>
+					</div>
+					<Divider className="w-full !m-0" />
+				</>
+			)}
+			{user.type === "corporate" && (
+				<>
+					<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-8 w-full">
+						<Input
+							label="Corporate Name"
+							type="text"
+							name="companyName"
+							onChange={setCompanyName}
+							placeholder="Enter corporate name"
+							defaultValue={companyName}
+							disabled={disabled}
+						/>
+						<Input
+							label="Number of Users"
+							type="number"
+							name="userAmount"
+							onChange={(e) => setUserAmount(e ? parseInt(e) : undefined)}
+							placeholder="Enter number of users"
+							defaultValue={userAmount}
+							disabled={disabled}
+						/>
+						<Input
+							label="Monthly Duration"
+							type="number"
+							name="monthlyDuration"
+							onChange={(e) => setMonthlyDuration(e ? parseInt(e) : undefined)}
+							placeholder="Enter monthly duration"
+							defaultValue={monthlyDuration}
+							disabled={disabled}
+						/>
+						<div className="flex flex-col gap-3 w-full lg:col-span-2">
+							<label className="font-normal text-base text-mti-gray-dim">Pricing</label>
+							<div className="w-full grid grid-cols-5 gap-2">
+								<Input
+									name="paymentValue"
+									onChange={(e) => setPaymentValue(e ? parseInt(e) : undefined)}
+									type="number"
+									defaultValue={paymentValue || 0}
+									className="col-span-3"
+									disabled={disabled}
+								/>
+								<Select
+									className="px-4 py-4 w-full text-sm font-normal placeholder:text-mti-gray-cool disabled:bg-mti-gray-platinum/40 disabled:text-mti-gray-dim disabled:cursor-not-allowed bg-white rounded-full border border-mti-gray-platinum focus:outline-none"
+									options={CURRENCIES_OPTIONS}
+									value={CURRENCIES_OPTIONS.find((c) => c.value === paymentCurrency)}
+									onChange={(value) => setPaymentCurrency(value?.value)}
+									styles={{
+										control: (styles) => ({
+											...styles,
+											paddingLeft: "4px",
+											border: "none",
+											outline: "none",
+											":focus": {
+												outline: "none",
+											},
+										}),
+										option: (styles, state) => ({
+											...styles,
+											backgroundColor: state.isFocused ? "#D5D9F0" : state.isSelected ? "#7872BF" : "white",
+											color: state.isFocused ? "black" : styles.color,
+										}),
+									}}
+									isDisabled={disabled}
+								/>
+							</div>
+						</div>
+					</div>
+					<div className="flex gap-3 w-full">
+						<div className="flex flex-col gap-3 w-8/12">
+							<label className="font-normal text-base text-mti-gray-dim">Country Manager</label>
+							{referralAgentLabel && (
+								<Select
+									className="px-4 py-4 w-full text-sm font-normal placeholder:text-mti-gray-cool disabled:bg-mti-gray-platinum/40 disabled:text-mti-gray-dim disabled:cursor-not-allowed bg-white rounded-full border border-mti-gray-platinum focus:outline-none"
+									options={[
+										{value: "", label: "No referral"},
+										...users.filter((u) => u.type === "agent").map((x) => ({value: x.id, label: `${x.name} - ${x.email}`})),
+									]}
+									defaultValue={{
+										value: referralAgent,
+										label: referralAgentLabel,
+									}}
+									onChange={(value) => setReferralAgent(value?.value)}
+									styles={{
+										control: (styles) => ({
+											...styles,
+											paddingLeft: "4px",
+											border: "none",
+											outline: "none",
+											":focus": {
+												outline: "none",
+											},
+										}),
+										option: (styles, state) => ({
+											...styles,
+											backgroundColor: state.isFocused ? "#D5D9F0" : state.isSelected ? "#7872BF" : "white",
+											color: state.isFocused ? "black" : styles.color,
+										}),
+									}}
+									isDisabled={disabled}
+								/>
+							)}
+						</div>
+						<div className="flex flex-col gap-3 w-4/12">
+							{referralAgent !== "" ? (
+								<>
+									<label className="font-normal text-base text-mti-gray-dim">Commission</label>
+									<Input
+										name="commissionValue"
+										onChange={(e) => setCommission(e ? parseInt(e) : undefined)}
+										type="number"
+										defaultValue={commissionValue || 0}
+										className="col-span-3"
+										disabled={disabled}
+									/>
+								</>
+							) : (
+								<div />
+							)}
+						</div>
+					</div>
+					<Divider className="w-full !m-0" />
+				</>
+			)}
 			<section className="flex flex-col gap-4 justify-between">
 				<div className="flex flex-col md:flex-row gap-8 w-full">
 					<Input
@@ -120,33 +353,52 @@ const UserCard = ({user, loggedInUser, onClose, onViewStudents, onViewTeachers}:
 				</div>
 
 				<div className="flex flex-col md:flex-row gap-8 w-full">
-					<div className="relative flex flex-col gap-3 w-full">
-						<label className="font-normal text-base text-mti-gray-dim">Employment Status</label>
-						<RadioGroup
-							value={user.demographicInformation?.employment}
-							className="grid grid-cols-2 items-center gap-4 place-items-center">
-							{EMPLOYMENT_STATUS.map(({status, label}) => (
-								<RadioGroup.Option value={status} key={status}>
-									{({checked}) => (
-										<span
-											className={clsx(
-												"px-6 py-4 w-40 md:w-48 flex justify-center text-sm font-normal rounded-full border focus:outline-none cursor-pointer",
-												"transition duration-300 ease-in-out",
-												!checked
-													? "bg-white border-mti-gray-platinum"
-													: "bg-mti-purple-light border-mti-purple-dark text-white",
-											)}>
-											{label}
-										</span>
-									)}
-								</RadioGroup.Option>
-							))}
-						</RadioGroup>
-					</div>
+					{user.type !== "corporate" && (
+						<div className="relative flex flex-col gap-3 w-full">
+							<label className="font-normal text-base text-mti-gray-dim">Employment Status</label>
+							<RadioGroup
+								value={user.demographicInformation?.employment}
+								className="grid grid-cols-2 items-center gap-4 place-items-center"
+								disabled={disabled}>
+								{EMPLOYMENT_STATUS.map(({status, label}) => (
+									<RadioGroup.Option value={status} key={status}>
+										{({checked}) => (
+											<span
+												className={clsx(
+													"px-6 py-4 w-40 md:w-48 flex justify-center text-sm font-normal rounded-full border focus:outline-none cursor-pointer",
+													"transition duration-300 ease-in-out",
+													!checked
+														? "bg-white border-mti-gray-platinum"
+														: "bg-mti-purple-light border-mti-purple-dark text-white",
+												)}>
+												{label}
+											</span>
+										)}
+									</RadioGroup.Option>
+								))}
+							</RadioGroup>
+						</div>
+					)}
+					{user.type === "corporate" && (
+						<Input
+							name="position"
+							onChange={setPosition}
+							type="text"
+							label="Position"
+							defaultValue={position}
+							placeholder="CEO, Head of Marketing..."
+							disabled
+							required
+						/>
+					)}
 					<div className="flex flex-col gap-8 w-full">
 						<div className="relative flex flex-col gap-3 w-full">
 							<label className="font-normal text-base text-mti-gray-dim">Gender</label>
-							<RadioGroup value={user.demographicInformation?.gender} className="flex flex-row gap-4 justify-between">
+							<RadioGroup
+								value={user.demographicInformation?.gender}
+								className="flex flex-row gap-4 justify-between"
+								disabled={disabled}
+							>
 								<RadioGroup.Option value="male">
 									{({checked}) => (
 										<span
@@ -196,7 +448,9 @@ const UserCard = ({user, loggedInUser, onClose, onViewStudents, onViewTeachers}:
 								<label className="font-normal text-base text-mti-gray-dim">Expiry Date</label>
 								<Checkbox
 									isChecked={!!expiryDate}
-									onChange={(checked) => setExpiryDate(checked ? user.subscriptionExpirationDate || new Date() : undefined)}>
+									onChange={(checked) => setExpiryDate(checked ? user.subscriptionExpirationDate || new Date() : null)}
+									disabled={disabled}
+								>
 									Enabled
 								</Checkbox>
 							</div>
@@ -229,77 +483,23 @@ const UserCard = ({user, loggedInUser, onClose, onViewStudents, onViewTeachers}:
 									dateFormat="dd/MM/yyyy"
 									selected={moment(expiryDate).toDate()}
 									onChange={(date) => setExpiryDate(date)}
+									disabled={disabled}
 								/>
 							)}
 						</div>
 					</div>
 				</div>
-				{(loggedInUser.type === "developer" || loggedInUser.type === "owner") && (
+				{(loggedInUser.type === "developer" || loggedInUser.type === "admin") && (
 					<>
-						<Divider className="w-full" />
+						<Divider className="w-full !m-0" />
 						<div className="flex flex-col md:flex-row gap-8 w-full">
 							<div className="flex flex-col gap-3 w-full">
 								<label className="font-normal text-base text-mti-gray-dim">Status</label>
-								<select
-									defaultValue={user.status}
-									onChange={(e) => setStatus(e.target.value as typeof user.status)}
-									className="p-6 w-full min-h-[70px] flex justify-center text-sm font-normal rounded-full border focus:outline-none cursor-pointer bg-white">
-									<option value="active">Active</option>
-									<option value="disabled">Disabled</option>
-									<option value="paymentDue">Payment Due</option>
-								</select>
-							</div>
-							<div className="flex flex-col gap-3 w-full">
-								<label className="font-normal text-base text-mti-gray-dim">Type</label>
-								<select
-									defaultValue={user.type}
-									onChange={(e) => setType(e.target.value as typeof user.type)}
-									className="p-6 w-full min-h-[70px] flex justify-center text-sm font-normal rounded-full border focus:outline-none cursor-pointer bg-white">
-									<option value="student">Student</option>
-									<option value="teacher">Teacher</option>
-									<option value="corporate">Corporate</option>
-									<option value="agent">Country Agent</option>
-									<option value="owner">Owner</option>
-									<option value="developer">Developer</option>
-								</select>
-							</div>
-						</div>
-					</>
-				)}
-				{user.type === "corporate" && (
-					<>
-						<Divider className="w-full" />
-						<div className="flex flex-col md:flex-row gap-8 w-full">
-							<Input
-								label="Company Name"
-								type="text"
-								name="companyName"
-								onChange={() => null}
-								placeholder="Enter company name"
-								defaultValue={user.corporateInformation?.companyInformation.name}
-							/>
-							<Input
-								label="Amount of Users"
-								type="number"
-								name="userAmount"
-								onChange={() => null}
-								placeholder="Enter amount of users"
-								defaultValue={user.corporateInformation?.companyInformation.userAmount}
-							/>
-
-							<div className="flex flex-col gap-3 w-full">
-								<label className="font-normal text-base text-mti-gray-dim">Country Agent</label>
 								<Select
 									className="px-4 py-4 w-full text-sm font-normal placeholder:text-mti-gray-cool disabled:bg-mti-gray-platinum/40 disabled:text-mti-gray-dim disabled:cursor-not-allowed bg-white rounded-full border border-mti-gray-platinum focus:outline-none"
-									options={[
-										{value: "", label: "No referral"},
-										...users.filter((u) => u.type === "agent").map((x) => ({value: x.id, label: `${x.name} - ${x.email}`})),
-									]}
-									defaultValue={{
-										value: referralAgent,
-										label: referralAgent ? users.find((u) => u.id === referralAgent)?.name || "" : "No agent",
-									}}
-									onChange={(value) => setReferralAgent(value?.value)}
+									options={USER_STATUS_OPTIONS}
+									value={USER_STATUS_OPTIONS.find((o) => o.value === status)}
+									onChange={(value) => setStatus(value?.value as typeof user.status)}
 									styles={{
 										control: (styles) => ({
 											...styles,
@@ -316,6 +516,33 @@ const UserCard = ({user, loggedInUser, onClose, onViewStudents, onViewTeachers}:
 											color: state.isFocused ? "black" : styles.color,
 										}),
 									}}
+									isDisabled={disabled}
+								/>
+							</div>
+							<div className="flex flex-col gap-3 w-full">
+								<label className="font-normal text-base text-mti-gray-dim">Type</label>
+								<Select
+									className="px-4 py-4 w-full text-sm font-normal placeholder:text-mti-gray-cool disabled:bg-mti-gray-platinum/40 disabled:text-mti-gray-dim disabled:cursor-not-allowed bg-white rounded-full border border-mti-gray-platinum focus:outline-none"
+									options={USER_TYPE_OPTIONS}
+									value={USER_TYPE_OPTIONS.find((o) => o.value === type)}
+									onChange={(value) => setType(value?.value as typeof user.type)}
+									styles={{
+										control: (styles) => ({
+											...styles,
+											paddingLeft: "4px",
+											border: "none",
+											outline: "none",
+											":focus": {
+												outline: "none",
+											},
+										}),
+										option: (styles, state) => ({
+											...styles,
+											backgroundColor: state.isFocused ? "#D5D9F0" : state.isSelected ? "#7872BF" : "white",
+											color: state.isFocused ? "black" : styles.color,
+										}),
+									}}
+									isDisabled={disabled}
 								/>
 							</div>
 						</div>
@@ -325,6 +552,11 @@ const UserCard = ({user, loggedInUser, onClose, onViewStudents, onViewTeachers}:
 
 			<div className="flex gap-4 justify-between mt-4 w-full">
 				<div className="self-start flex gap-4 justify-start items-center w-full">
+					{onViewCorporate && (
+						<Button className="w-full max-w-[200px]" variant="outline" color="rose" onClick={onViewCorporate}>
+							View Corporate
+						</Button>
+					)}
 					{onViewStudents && (
 						<Button className="w-full max-w-[200px]" variant="outline" color="rose" onClick={onViewStudents}>
 							View Students
@@ -340,7 +572,7 @@ const UserCard = ({user, loggedInUser, onClose, onViewStudents, onViewTeachers}:
 					<Button className="w-full max-w-[200px]" variant="outline" onClick={onClose}>
 						Close
 					</Button>
-					<Button onClick={updateUser} className="w-full max-w-[200px]">
+					<Button disabled={disabled} onClick={updateUser} className="w-full max-w-[200px]">
 						Update
 					</Button>
 				</div>

src/constants/ielts.tsx

@@ -2,96 +2,119 @@ import {Module} from "@/interfaces";
 
 export const MODULES: Module[] = ["reading", "listening", "writing", "speaking"];
 
-export const BAND_SCORES: {[key in Module]: number[]} = {
-	reading: [0, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9],
-	listening: [0, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9],
-	writing: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
-	speaking: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
-	level: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
-};
+// BAND SCORES is not in use anymore and level scoring is made based on thresholds
+// export const BAND_SCORES: {[key in Module]: number[]} = {
+// 	reading: [0, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9],
+// 	listening: [0, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9],
+// 	writing: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
+// 	speaking: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
+// 	level: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
+// };
 
-export const moduleResultText = (level: number) => {
-	if (level === 9) {
-		return (
-			<>
-				Congratulations on your exam performance! You achieved an impressive <span className="font-bold">level {level}</span>, demonstrating
-				excellent mastery of the assessed knowledge.
-				<br />
-				<br />
-				If you disagree with the result, you can request a review by a qualified teacher. We are committed to the accuracy and transparency of
-				the results.
-				<br />
-				<br />
-				Please contact us for further information. Congratulations again on your outstanding achievement! We are here to support you on your
-				academic journey.
-			</>
-		);
-	}
+export type LevelScore = "Advanced" | "Upper-Intermediate" | "Intermediate" | "Pre-Intermediate" | "Elementary" | "Beginner";
 
-	if (level >= 6) {
-		return (
-			<>
-				Congratulations on your exam performance! You achieved a commendable <span className="font-bold">level {level}</span>, demonstrating a
-				good understanding of the assessed knowledge.
-				<br />
-				<br />
-				If you have any concerns about the result, you can request a review by a qualified teacher. We are committed to the accuracy and
-				transparency of the results.
-				<br />
-				<br />
-				Please contact us for further information. Congratulations again on your achievement! We are here to support you on your academic
-				journey.
-			</>
-		);
-	}
 
-	if (level >= 3) {
-		return (
-			<>
-				Congratulations on your exam performance! You achieved a <span className="font-bold">level of {level}</span>, demonstrating a
-				satisfactory understanding of the assessed knowledge.
-				<br />
-				<br />
-				If you have any concerns about the result, you can request a review by a qualified teacher. We are committed to the accuracy and
-				transparency of the results.
-				<br />
-				<br />
-				Please contact us for further information. Congratulations again on your achievement! We are here to support you on your academic
-				journey.
-			</>
-		);
-	}
+const generateHighestScoreText = () : React.ReactNode => (
+	<>
+		<br />
+		<br />
+		If you disagree with the result, you can request a review by a qualified teacher. We are committed to the accuracy and transparency of
+		the results.
+		<br />
+		<br />
+		Please contact us for further information. Congratulations again on your outstanding achievement! We are here to support you on your
+		academic journey.
+	</>
+);
 
-	return (
-		<>
-			Thank you for taking the exam. You achieved a <span className="font-bold">level {level}</span>, but unfortunately, it did not meet the
-			required standards.
-			<br />
-			<br />
-			If you have any concerns about the result, you can request a review by a qualified teacher. We are committed to the accuracy and
-			transparency of the results.
-			<br />
-			<br />
-			Please contact us for further information. We encourage you to continue your studies and wish you the best of luck in your future
-			endeavors.
-		</>
-	);
-};
+const generateAverageScoreText = () : React.ReactNode => (
+	<>
+		<br />
+		<br />
+		If you have any concerns about the result, you can request a review by a qualified teacher. We are committed to the accuracy and
+		transparency of the results.
+		<br />
+		<br />
+		Please contact us for further information. Congratulations again on your achievement! We are here to support you on your academic
+		journey.
+	</>
+);
+
+const generateLowestScoreText = () : React.ReactNode => (
+	<>
+		<br />
+		<br />
+		If you have any concerns about the result, you can request a review by a qualified teacher. We are committed to the accuracy and
+		transparency of the results.
+		<br />
+		<br />
+		Please contact us for further information. We encourage you to continue your studies and wish you the best of luck in your future
+		endeavors.
+	</>
+)
 
 export const levelResultText = (level: number) => {
+	if(level === 9) {
+		return (
+			<>
+				{"Outstanding! Your command of English is excellent. Focus on fine-tuning subtle language nuances and exploring sophisticated vocabulary. Keep up the excellent work!"}
+				{generateHighestScoreText()}
+			</>
+		);
+	}
+	if(level >= 8) {
+		return (
+			<>
+				{"Impressive! You're approaching fluency. Continue refining nuances in grammar and expanding your vocabulary to express ideas more precisely."}
+				{generateAverageScoreText()}
+			</>
+		);
+	}
+	if(level >= 6) {
+		return (
+			<>
+				{"Great job! You're navigating the complexities of English. Keep honing your grammar skills and exploring more advanced vocabulary."}
+				{generateAverageScoreText()}
+			</>
+		);
+	}
+	if(level >= 4) {
+		return (
+			<>
+				{"Well done! You're moving beyond the basics. Work on expanding your vocabulary and refining your understanding of grammar structures."}
+				{generateAverageScoreText()}
+			</>
+		);
+	}
+	if(level >= 2) {
+		return (
+			<>
+				{"Good effort! You're making progress. Continue studying and pay attention to common vocabulary and fundamental grammar rules."}
+				{generateAverageScoreText()}
+			</>
+		);
+	}
+	if(level >= 0) {
+		return (
+			<>
+				{"Keep practicing! You're just starting, and improvement takes time. Focus on building your vocabulary and basic grammar skills."}
+				{generateLowestScoreText()}
+			</>
+		);
+	}
+
+	return null;
+};
+
+
+export const moduleResultText = (module: Module, level: number) => {
+	if(module === 'level') return levelResultText(level);
 	if (level === 9) {
 		return (
 			<>
 				Congratulations on your exam performance! You achieved an impressive <span className="font-bold">level {level}</span>, demonstrating
 				excellent mastery of the assessed knowledge.
-				<br />
-				<br />
-				If you disagree with the result, you can request a review by a qualified teacher. We are committed to the accuracy and transparency of
-				the results.
-				<br />
-				<br />
-				Please contact us for further information. Congratulations again on your outstanding achievement! We are here to support you on your
-				academic journey.
+				{generateHighestScoreText()}
 			</>
 		);
 	}
@@ -101,14 +124,7 @@ export const levelResultText = (level: number) => {
 			<>
 				Congratulations on your exam performance! You achieved a commendable <span className="font-bold">level {level}</span>, demonstrating a
 				good understanding of the assessed knowledge.
-				<br />
-				<br />
-				If you have any concerns about the result, you can request a review by a qualified teacher. We are committed to the accuracy and
-				transparency of the results.
-				<br />
-				<br />
-				Please contact us for further information. Congratulations again on your achievement! We are here to support you on your academic
-				journey.
+				{generateAverageScoreText()}
 			</>
 		);
 	}
@@ -118,14 +134,7 @@ export const levelResultText = (level: number) => {
 			<>
 				Congratulations on your exam performance! You achieved a <span className="font-bold">level of {level}</span>, demonstrating a
 				satisfactory understanding of the assessed knowledge.
-				<br />
-				<br />
-				If you have any concerns about the result, you can request a review by a qualified teacher. We are committed to the accuracy and
-				transparency of the results.
-				<br />
-				<br />
-				Please contact us for further information. Congratulations again on your achievement! We are here to support you on your academic
-				journey.
+				{generateAverageScoreText()}
 			</>
 		);
 	}
@@ -134,14 +143,7 @@ export const levelResultText = (level: number) => {
 		<>
 			Thank you for taking the exam. You achieved a <span className="font-bold">level {level}</span>, but unfortunately, it did not meet the
 			required standards.
-			<br />
-			<br />
-			If you have any concerns about the result, you can request a review by a qualified teacher. We are committed to the accuracy and
-			transparency of the results.
-			<br />
-			<br />
-			Please contact us for further information. We encourage you to continue your studies and wish you the best of luck in your future
-			endeavors.
+			{generateLowestScoreText()}
 		</>
 	);
-};
+};

src/constants/userPermissions.ts

@@ -2,38 +2,38 @@ import {Type} from "@/interfaces/user";
 
 export const PERMISSIONS = {
 	generateCode: {
-		student: ["corporate", "developer", "owner"],
-		teacher: ["corporate", "developer", "owner"],
-		corporate: ["owner", "developer"],
-		owner: ["developer", "owner"],
-		agent: ["developer", "owner"],
+		student: ["corporate", "developer", "admin"],
+		teacher: ["corporate", "developer", "admin"],
+		corporate: ["admin", "developer"],
+		admin: ["developer", "admin"],
+		agent: ["developer", "admin"],
 		developer: ["developer"],
 	},
 	deleteUser: {
-		student: ["teacher", "corporate", "developer", "owner"],
-		teacher: ["corporate", "developer", "owner"],
-		corporate: ["owner", "developer"],
-		owner: ["developer", "owner"],
-		agent: ["developer", "owner"],
+		student: ["teacher", "corporate", "developer", "admin"],
+		teacher: ["corporate", "developer", "admin"],
+		corporate: ["admin", "developer"],
+		admin: ["developer", "admin"],
+		agent: ["developer", "admin"],
 		developer: ["developer"],
 	},
 	updateUser: {
-		student: ["teacher", "corporate", "developer", "owner"],
-		teacher: ["corporate", "developer", "owner"],
-		corporate: ["owner", "developer"],
-		owner: ["developer", "owner"],
-		agent: ["developer", "owner"],
+		student: ["teacher", "corporate", "developer", "admin"],
+		teacher: ["corporate", "developer", "admin"],
+		corporate: ["admin", "developer"],
+		admin: ["developer", "admin"],
+		agent: ["developer", "admin"],
 		developer: ["developer"],
 	},
 	updateExpiryDate: {
-		student: ["developer", "owner"],
-		teacher: ["developer", "owner"],
-		corporate: ["owner", "developer"],
-		owner: ["developer", "owner"],
-		agent: ["developer", "owner"],
+		student: ["developer", "admin"],
+		teacher: ["developer", "admin"],
+		corporate: ["admin", "developer"],
+		admin: ["developer", "admin"],
+		agent: ["developer", "admin"],
 		developer: ["developer"],
 	},
 	examManagement: {
-		delete: ["developer", "owner"],
+		delete: ["developer", "admin"],
 	},
 };

src/dashboards/Admin.tsx

@@ -7,16 +7,18 @@ import UserList from "@/pages/(admin)/Lists/UserList";
 import {dateSorter} from "@/utils";
 import moment from "moment";
 import {useEffect, useState} from "react";
-import {BsArrowLeft, BsGlobeCentralSouthAsia, BsPerson, BsPersonFill, BsPersonFillGear, BsPersonGear, BsPersonLinesFill} from "react-icons/bs";
+import {BsArrowLeft, BsBriefcaseFill, BsGlobeCentralSouthAsia, BsPerson, BsPersonFill, BsPencilSquare, BsBank} from "react-icons/bs";
 import UserCard from "@/components/UserCard";
 import useGroups from "@/hooks/useGroups";
 import IconCard from "./IconCard";
+import useFilterStore from "@/stores/listFilterStore";
+import {useRouter} from "next/router";
 
 interface Props {
 	user: User;
 }
 
-export default function OwnerDashboard({user}: Props) {
+export default function AdminDashboard({user}: Props) {
 	const [page, setPage] = useState("");
 	const [selectedUser, setSelectedUser] = useState<User>();
 	const [showModal, setShowModal] = useState(false);
@@ -25,17 +27,30 @@ export default function OwnerDashboard({user}: Props) {
 	const {users, reload} = useUsers();
 	const {groups} = useGroups();
 
+	const appendUserFilters = useFilterStore((state) => state.appendUserFilter);
+	const router = useRouter();
+
 	useEffect(() => {
 		setShowModal(!!selectedUser && page === "");
 	}, [selectedUser, page]);
 
+	// eslint-disable-next-line react-hooks/exhaustive-deps
+	useEffect(reload, [page]);
+
+	const inactiveCountryManagerFilter = (x: User) =>
+		x.type === "agent" && (x.status === "disabled" || moment().isAfter(x.subscriptionExpirationDate));
+
 	const UserDisplay = (displayUser: User) => (
 		<div
 			onClick={() => setSelectedUser(displayUser)}
 			className="flex w-full p-4 gap-4 items-center hover:bg-mti-purple-ultralight cursor-pointer transition ease-in-out duration-300">
 			<img src={displayUser.profilePicture} alt={displayUser.name} className="rounded-full w-10 h-10" />
 			<div className="flex flex-col gap-1 items-start">
-				<span>{displayUser.name}</span>
+				<span>
+					{displayUser.type === "corporate"
+						? displayUser.corporateInformation?.companyInformation?.name || displayUser.name
+						: displayUser.name}
+				</span>
 				<span className="text-sm opacity-75">{displayUser.email}</span>
 			</div>
 		</div>
@@ -48,7 +63,7 @@ export default function OwnerDashboard({user}: Props) {
 				? groups
 						.filter((g) => g.admin === selectedUser.id || g.participants.includes(selectedUser.id))
 						.flatMap((g) => g.participants)
-						.includes(x.id) || false
+						.includes(x.id)
 				: true);
 
 		return (
@@ -63,7 +78,7 @@ export default function OwnerDashboard({user}: Props) {
 					<h2 className="text-2xl font-semibold">Students ({users.filter(filter).length})</h2>
 				</div>
 
-				<UserList user={user} filter={filter} />
+				<UserList user={user} filters={[filter]} />
 			</>
 		);
 	};
@@ -90,7 +105,27 @@ export default function OwnerDashboard({user}: Props) {
 					<h2 className="text-2xl font-semibold">Teachers ({users.filter(filter).length})</h2>
 				</div>
 
-				<UserList user={user} filter={filter} />
+				<UserList user={user} filters={[filter]} />
+			</>
+		);
+	};
+
+	const AgentsList = () => {
+		const filter = (x: User) => x.type === "agent";
+
+		return (
+			<>
+				<div className="flex flex-col gap-4">
+					<div
+						onClick={() => setPage("")}
+						className="flex gap-2 items-center text-mti-purple-light cursor-pointer hover:text-mti-purple-dark transition ease-in-out duration-300">
+						<BsArrowLeft className="text-xl" />
+						<span>Back</span>
+					</div>
+					<h2 className="text-2xl font-semibold">Country Managers ({users.filter(filter).length})</h2>
+				</div>
+
+				<UserList user={user} filters={[filter]} />
 			</>
 		);
 	};
@@ -107,10 +142,28 @@ export default function OwnerDashboard({user}: Props) {
 				<h2 className="text-2xl font-semibold">Corporate ({users.filter((x) => x.type === "corporate").length})</h2>
 			</div>
 
-			<UserList user={user} filter={(x) => x.type === "corporate"} />
+			<UserList user={user} filters={[(x) => x.type === "corporate"]} />
 		</>
 	);
 
+	const InactiveCountryManagerList = () => {
+		return (
+			<>
+				<div className="flex flex-col gap-4">
+					<div
+						onClick={() => setPage("")}
+						className="flex gap-2 items-center text-mti-purple-light cursor-pointer hover:text-mti-purple-dark transition ease-in-out duration-300">
+						<BsArrowLeft className="text-xl" />
+						<span>Back</span>
+					</div>
+					<h2 className="text-2xl font-semibold">Inactive Country Managers ({users.filter(inactiveCountryManagerFilter).length})</h2>
+				</div>
+
+				<UserList user={user} filters={[inactiveCountryManagerFilter]} />
+			</>
+		);
+	};
+
 	const InactiveStudentsList = () => {
 		const filter = (x: User) => x.type === "student" && (x.status === "disabled" || moment().isAfter(x.subscriptionExpirationDate));
 
@@ -126,7 +179,7 @@ export default function OwnerDashboard({user}: Props) {
 					<h2 className="text-2xl font-semibold">Inactive Students ({users.filter(filter).length})</h2>
 				</div>
 
-				<UserList user={user} filter={filter} />
+				<UserList user={user} filters={[filter]} />
 			</>
 		);
 	};
@@ -146,14 +199,14 @@ export default function OwnerDashboard({user}: Props) {
 					<h2 className="text-2xl font-semibold">Inactive Corporate ({users.filter(filter).length})</h2>
 				</div>
 
-				<UserList user={user} filter={filter} />
+				<UserList user={user} filters={[filter]} />
 			</>
 		);
 	};
 
 	const DefaultDashboard = () => (
 		<>
-			<section className="w-full flex flex-wrap gap-4 items-center justify-between">
+			<section className="w-full grid grid-cols-2 md:grid-cols-3 lg:grid-cols-4 gap-4 place-items-center items-center justify-between">
 				<IconCard
 					Icon={BsPersonFill}
 					label="Students"
@@ -162,19 +215,26 @@ export default function OwnerDashboard({user}: Props) {
 					color="purple"
 				/>
 				<IconCard
-					Icon={BsPersonLinesFill}
+					Icon={BsPencilSquare}
 					label="Teachers"
 					value={users.filter((x) => x.type === "teacher").length}
 					onClick={() => setPage("teachers")}
 					color="purple"
 				/>
 				<IconCard
-					Icon={BsPersonLinesFill}
+					Icon={BsBank}
 					label="Corporate"
 					value={users.filter((x) => x.type === "corporate").length}
 					onClick={() => setPage("corporate")}
 					color="purple"
 				/>
+				<IconCard
+					Icon={BsBriefcaseFill}
+					label="Country Managers"
+					value={users.filter((x) => x.type === "agent").length}
+					onClick={() => setPage("agents")}
+					color="purple"
+				/>
 				<IconCard
 					Icon={BsGlobeCentralSouthAsia}
 					label="Countries"
@@ -191,6 +251,13 @@ export default function OwnerDashboard({user}: Props) {
 					}
 					color="rose"
 				/>
+				<IconCard
+					onClick={() => setPage("inactiveCountryManagers")}
+					Icon={BsPerson}
+					label="Inactive Country Managers"
+					value={users.filter(inactiveCountryManagerFilter).length}
+					color="rose"
+				/>
 				<IconCard
 					onClick={() => setPage("inactiveCorporate")}
 					Icon={BsPerson}
@@ -253,7 +320,7 @@ export default function OwnerDashboard({user}: Props) {
 					</div>
 				</div>
 				<div className="bg-white shadow flex flex-col rounded-xl w-full">
-					<span className="p-4">Teachers expiring in 1 month</span>
+					<span className="p-4">Country Manager expiring in 1 month</span>
 					<div className="flex flex-col items-start h-96 overflow-scroll scrollbar-hide">
 						{users
 							.filter(
@@ -297,7 +364,7 @@ export default function OwnerDashboard({user}: Props) {
 					</div>
 				</div>
 				<div className="bg-white shadow flex flex-col rounded-xl w-full">
-					<span className="p-4">Expired Teachers</span>
+					<span className="p-4">Expired Country Manager</span>
 					<div className="flex flex-col items-start h-96 overflow-scroll scrollbar-hide">
 						{users
 							.filter(
@@ -338,9 +405,65 @@ export default function OwnerDashboard({user}: Props) {
 									if (shouldReload) reload();
 								}}
 								onViewStudents={
-									selectedUser.type === "corporate" || selectedUser.type === "teacher" ? () => setPage("students") : undefined
+									selectedUser.type === "corporate" || selectedUser.type === "teacher"
+										? () => {
+												appendUserFilters({
+													id: "view-students",
+													filter: (x: User) => x.type === "student",
+												});
+												appendUserFilters({
+													id: "belongs-to-admin",
+													filter: (x: User) =>
+														groups
+															.filter((g) => g.admin === selectedUser.id || g.participants.includes(selectedUser.id))
+															.flatMap((g) => g.participants)
+															.includes(x.id),
+												});
+
+												router.push("/list/users");
+										  }
+										: undefined
+								}
+								onViewTeachers={
+									selectedUser.type === "corporate" || selectedUser.type === "student"
+										? () => {
+												appendUserFilters({
+													id: "view-teachers",
+													filter: (x: User) => x.type === "teacher",
+												});
+												appendUserFilters({
+													id: "belongs-to-admin",
+													filter: (x: User) =>
+														groups
+															.filter((g) => g.admin === selectedUser.id || g.participants.includes(selectedUser.id))
+															.flatMap((g) => g.participants)
+															.includes(x.id),
+												});
+
+												router.push("/list/users");
+										  }
+										: undefined
+								}
+								onViewCorporate={
+									selectedUser.type === "teacher" || selectedUser.type === "student"
+										? () => {
+												appendUserFilters({
+													id: "view-corporate",
+													filter: (x: User) => x.type === "corporate",
+												});
+												appendUserFilters({
+													id: "belongs-to-admin",
+													filter: (x: User) =>
+														groups
+															.filter((g) => g.participants.includes(selectedUser.id))
+															.flatMap((g) => [g.admin, ...g.participants])
+															.includes(x.id),
+												});
+
+												router.push("/list/users");
+										  }
+										: undefined
 								}
-								onViewTeachers={selectedUser.type === "corporate" ? () => setPage("teachers") : undefined}
 								user={selectedUser}
 							/>
 						</div>
@@ -350,8 +473,10 @@ export default function OwnerDashboard({user}: Props) {
 			{page === "students" && <StudentsList />}
 			{page === "teachers" && <TeachersList />}
 			{page === "corporate" && <CorporateList />}
+			{page === "agents" && <AgentsList />}
 			{page === "inactiveStudents" && <InactiveStudentsList />}
 			{page === "inactiveCorporate" && <InactiveCorporateList />}
+			{page === "inactiveCountryManagers" && <InactiveCountryManagerList />}
 			{page === "" && <DefaultDashboard />}
 		</>
 	);

src/dashboards/Agent.tsx

@@ -0,0 +1,211 @@
+/* eslint-disable @next/next/no-img-element */
+import Modal from "@/components/Modal";
+import useStats from "@/hooks/useStats";
+import useUsers from "@/hooks/useUsers";
+import {Group, Stat, User} from "@/interfaces/user";
+import UserList from "@/pages/(admin)/Lists/UserList";
+import {dateSorter} from "@/utils";
+import moment from "moment";
+import {useEffect, useState} from "react";
+import {BsArrowLeft, BsPersonFill, BsBank} from "react-icons/bs";
+import UserCard from "@/components/UserCard";
+import useGroups from "@/hooks/useGroups";
+import {calculateAverageLevel, calculateBandScore} from "@/utils/score";
+import {MODULE_ARRAY} from "@/utils/moduleUtils";
+import {Module} from "@/interfaces";
+import {groupByExam} from "@/utils/stats";
+import IconCard from "./IconCard";
+import GroupList from "@/pages/(admin)/Lists/GroupList";
+
+interface Props {
+	user: User;
+}
+
+export default function AgentDashboard({user}: Props) {
+	const [page, setPage] = useState("");
+	const [selectedUser, setSelectedUser] = useState<User>();
+	const [showModal, setShowModal] = useState(false);
+
+	const {stats} = useStats();
+	const {users, reload} = useUsers();
+	const {groups} = useGroups(user.id);
+
+	useEffect(() => {
+		setShowModal(!!selectedUser && page === "");
+	}, [selectedUser, page]);
+
+	const corporateFilter = (user: User) => user.type === "corporate";
+	const referredCorporateFilter = (x: User) =>
+		x.type === "corporate" && !!x.corporateInformation && x.corporateInformation.referralAgent === user.id;
+	const inactiveReferredCorporateFilter = (x: User) =>
+		referredCorporateFilter(x) && (x.status === "disabled" || moment().isAfter(x.subscriptionExpirationDate));
+
+	const UserDisplay = (displayUser: User) => (
+		<div
+			onClick={() => setSelectedUser(displayUser)}
+			className="flex w-full p-4 gap-4 items-center hover:bg-mti-purple-ultralight cursor-pointer transition ease-in-out duration-300">
+			<img src={displayUser.profilePicture} alt={displayUser.name} className="rounded-full w-10 h-10" />
+			<div className="flex flex-col gap-1 items-start">
+				<span>
+					{displayUser.type === "corporate"
+						? displayUser.corporateInformation?.companyInformation?.name || displayUser.name
+						: displayUser.name}
+				</span>
+				<span className="text-sm opacity-75">{displayUser.email}</span>
+			</div>
+		</div>
+	);
+
+	const ReferredCorporateList = () => {
+		return (
+			<>
+				<div className="flex flex-col gap-4">
+					<div
+						onClick={() => setPage("")}
+						className="flex gap-2 items-center text-mti-purple-light cursor-pointer hover:text-mti-purple-dark transition ease-in-out duration-300">
+						<BsArrowLeft className="text-xl" />
+						<span>Back</span>
+					</div>
+					<h2 className="text-2xl font-semibold">Corporate ({users.filter(referredCorporateFilter).length})</h2>
+				</div>
+
+				<UserList user={user} filters={[referredCorporateFilter]} />
+			</>
+		);
+	};
+
+	const InactiveReferredCorporateList = () => {
+		return (
+			<>
+				<div className="flex flex-col gap-4">
+					<div
+						onClick={() => setPage("")}
+						className="flex gap-2 items-center text-mti-purple-light cursor-pointer hover:text-mti-purple-dark transition ease-in-out duration-300">
+						<BsArrowLeft className="text-xl" />
+						<span>Back</span>
+					</div>
+					<h2 className="text-2xl font-semibold">Inactive Corporate ({users.filter(inactiveReferredCorporateFilter).length})</h2>
+				</div>
+
+				<UserList user={user} filters={[inactiveReferredCorporateFilter]} />
+			</>
+		);
+	};
+
+	const CorporateList = () => {
+		const filter = (x: User) => x.type === "corporate";
+
+		return (
+			<>
+				<div className="flex flex-col gap-4">
+					<div
+						onClick={() => setPage("")}
+						className="flex gap-2 items-center text-mti-purple-light cursor-pointer hover:text-mti-purple-dark transition ease-in-out duration-300">
+						<BsArrowLeft className="text-xl" />
+						<span>Back</span>
+					</div>
+					<h2 className="text-2xl font-semibold">Corporate ({users.filter(filter).length})</h2>
+				</div>
+
+				<UserList user={user} filters={[filter]} />
+			</>
+		);
+	};
+
+	const DefaultDashboard = () => (
+		<>
+			<section className="flex flex-wrap gap-2 items-center -lg:justify-center lg:gap-4 text-center">
+				<IconCard
+					onClick={() => setPage("referredCorporate")}
+					Icon={BsPersonFill}
+					label="Corporate"
+					value={users.filter(referredCorporateFilter).length}
+					color="purple"
+				/>
+				<IconCard
+					onClick={() => setPage("inactiveReferredCorporate")}
+					Icon={BsPersonFill}
+					label="Inactive Corporate"
+					value={users.filter(inactiveReferredCorporateFilter).length}
+					color="rose"
+				/>
+				<IconCard
+					onClick={() => setPage("corporate")}
+					Icon={BsBank}
+					label="Corporate"
+					value={users.filter(corporateFilter).length}
+					color="purple"
+				/>
+			</section>
+
+			<section className="grid grid-cols-1 md:grid-cols-2 gap-4 w-full justify-between">
+				<div className="bg-white shadow flex flex-col rounded-xl w-full">
+					<span className="p-4">Latest Corporate</span>
+					<div className="flex flex-col items-start h-96 overflow-scroll scrollbar-hide">
+						{users
+							.filter(referredCorporateFilter)
+							.sort((a, b) => dateSorter(a, b, "desc", "registrationDate"))
+							.map((x) => (
+								<UserDisplay key={x.id} {...x} />
+							))}
+					</div>
+				</div>
+				<div className="bg-white shadow flex flex-col rounded-xl w-full">
+					<span className="p-4">Latest corporate</span>
+					<div className="flex flex-col items-start h-96 overflow-scroll scrollbar-hide">
+						{users
+							.filter(corporateFilter)
+							.sort((a, b) => dateSorter(a, b, "desc", "registrationDate"))
+							.map((x) => (
+								<UserDisplay key={x.id} {...x} />
+							))}
+					</div>
+				</div>
+				<div className="bg-white shadow flex flex-col rounded-xl w-full">
+					<span className="p-4">Corporate expiring in 1 month</span>
+					<div className="flex flex-col items-start h-96 overflow-scroll scrollbar-hide">
+						{users
+							.filter(
+								(x) =>
+									referredCorporateFilter(x) &&
+									moment().isAfter(moment(x.subscriptionExpirationDate).subtract(30, "days")) &&
+									moment().isBefore(moment(x.subscriptionExpirationDate)),
+							)
+							.map((x) => (
+								<UserDisplay key={x.id} {...x} />
+							))}
+					</div>
+				</div>
+			</section>
+		</>
+	);
+
+	return (
+		<>
+			<Modal isOpen={showModal} onClose={() => setSelectedUser(undefined)}>
+				<>
+					{selectedUser && (
+						<div className="w-full flex flex-col gap-8">
+							<UserCard
+								loggedInUser={user}
+								onClose={(shouldReload) => {
+									setSelectedUser(undefined);
+									if (shouldReload) reload();
+								}}
+								onViewStudents={
+									selectedUser.type === "corporate" || selectedUser.type === "teacher" ? () => setPage("students") : undefined
+								}
+								onViewTeachers={selectedUser.type === "corporate" ? () => setPage("teachers") : undefined}
+								user={selectedUser}
+							/>
+						</div>
+					)}
+				</>
+			</Modal>
+			{page === "referredCorporate" && <ReferredCorporateList />}
+			{page === "corporate" && <CorporateList />}
+			{page === "inactiveReferredCorporate" && <InactiveReferredCorporateList />}
+			{page === "" && <DefaultDashboard />}
+		</>
+	);
+}

src/dashboards/AssignmentCreator.tsx

@@ -18,6 +18,7 @@ import {getExam} from "@/utils/exams";
 import {toast} from "react-toastify";
 import {uuidv4} from "@firebase/util";
 import {Assignment} from "@/interfaces/results";
+import Checkbox from "@/components/Low/Checkbox";
 
 interface Props {
 	isCreating: boolean;
@@ -35,6 +36,8 @@ export default function AssignmentCreator({isCreating, assignment, assigner, gro
 	const [isLoading, setIsLoading] = useState(false);
 	const [startDate, setStartDate] = useState<Date | null>(assignment ? moment(assignment.startDate).toDate() : moment().add(1, "day").toDate());
 	const [endDate, setEndDate] = useState<Date | null>(assignment ? moment(assignment.endDate).toDate() : moment().add(8, "day").toDate());
+	// creates a new exam for each assignee or just one exam for all assignees
+	const [generateMultiple, setGenerateMultiple] = useState<boolean>(false);
 
 	const toggleModule = (module: Module) => {
 		const modules = selectedModules.filter((x) => x !== module);
@@ -46,36 +49,33 @@ export default function AssignmentCreator({isCreating, assignment, assigner, gro
 	};
 
 	const createAssignment = () => {
-		setIsLoading(true);
+    setIsLoading(true);
 
-		const examPromises = selectedModules.map(async (module) => getExam(module, false));
-		Promise.all(examPromises)
-			.then((exams) => {
-				(assignment ? axios.patch : axios.post)(`/api/assignments${assignment ? `/${assignment.id}` : ""}`, {
-					assigner,
-					assignees,
-					name,
-					startDate,
-					endDate,
-					results: [],
-					exams: exams.map((e) => ({module: e?.module, id: e?.id})),
-				})
-					.then(() => {
-						toast.success(`The assignment "${name}" has been ${assignment ? "updated" : "created"} successfully!`);
-						cancelCreation();
-					})
-					.catch((e) => {
-						console.log(e);
-						toast.error("Something went wrong, please try again later!");
-					})
-					.finally(() => setIsLoading(false));
-			})
-			.catch((e) => {
-				console.log(e);
-				toast.error("Something went wrong, please try again later!");
-				setIsLoading(false);
-			});
-	};
+    (assignment ? axios.patch : axios.post)(
+      `/api/assignments${assignment ? `/${assignment.id}` : ""}`,
+      {
+        assignees,
+        name,
+        startDate,
+        endDate,
+		selectedModules,
+		generateMultiple,
+      }
+    )
+      .then(() => {
+        toast.success(
+          `The assignment "${name}" has been ${
+            assignment ? "updated" : "created"
+          } successfully!`
+        );
+        cancelCreation();
+      })
+      .catch((e) => {
+        console.log(e);
+        toast.error("Something went wrong, please try again later!");
+      })
+      .finally(() => setIsLoading(false));
+  };
 
 	const deleteAssignment = () => {
 		if (assignment) {
@@ -284,6 +284,11 @@ export default function AssignmentCreator({isCreating, assignment, assigner, gro
 						))}
 					</div>
 				</section>
+				<div className="flex gap-4 w-full justify-end">
+					<Checkbox isChecked={generateMultiple} onChange={() => setGenerateMultiple(d => !d)}>
+						Generate different exams
+					</Checkbox>
+				</div>
 				<div className="flex gap-4 w-full justify-end">
 					<Button className="w-full max-w-[200px]" variant="outline" onClick={cancelCreation} disabled={isLoading} isLoading={isLoading}>
 						Cancel

src/dashboards/Corporate.tsx

@@ -19,7 +19,7 @@ import {
 	BsPersonFill,
 	BsPersonFillGear,
 	BsPersonGear,
-	BsPersonLinesFill,
+	BsPencilSquare,
 } from "react-icons/bs";
 import UserCard from "@/components/UserCard";
 import useGroups from "@/hooks/useGroups";
@@ -29,6 +29,8 @@ import {Module} from "@/interfaces";
 import {groupByExam} from "@/utils/stats";
 import IconCard from "./IconCard";
 import GroupList from "@/pages/(admin)/Lists/GroupList";
+import useFilterStore from "@/stores/listFilterStore";
+import {useRouter} from "next/router";
 
 interface Props {
 	user: User;
@@ -43,6 +45,9 @@ export default function CorporateDashboard({user}: Props) {
 	const {users, reload} = useUsers();
 	const {groups} = useGroups(user.id);
 
+	const appendUserFilters = useFilterStore((state) => state.appendUserFilter);
+	const router = useRouter();
+
 	useEffect(() => {
 		setShowModal(!!selectedUser && page === "");
 	}, [selectedUser, page]);
@@ -86,7 +91,7 @@ export default function CorporateDashboard({user}: Props) {
 					<h2 className="text-2xl font-semibold">Students ({users.filter(filter).length})</h2>
 				</div>
 
-				<UserList user={user} filter={filter} />
+				<UserList user={user} filters={[filter]} />
 			</>
 		);
 	};
@@ -113,7 +118,7 @@ export default function CorporateDashboard({user}: Props) {
 					<h2 className="text-2xl font-semibold">Teachers ({users.filter(filter).length})</h2>
 				</div>
 
-				<UserList user={user} filter={filter} />
+				<UserList user={user} filters={[filter]} />
 			</>
 		);
 	};
@@ -165,7 +170,7 @@ export default function CorporateDashboard({user}: Props) {
 				/>
 				<IconCard
 					onClick={() => setPage("teachers")}
-					Icon={BsPersonLinesFill}
+					Icon={BsPencilSquare}
 					label="Teachers"
 					value={users.filter(teacherFilter).length}
 					color="purple"
@@ -256,9 +261,45 @@ export default function CorporateDashboard({user}: Props) {
 									if (shouldReload) reload();
 								}}
 								onViewStudents={
-									selectedUser.type === "corporate" || selectedUser.type === "teacher" ? () => setPage("students") : undefined
+									selectedUser.type === "corporate" || selectedUser.type === "teacher"
+										? () => {
+												appendUserFilters({
+													id: "view-students",
+													filter: (x: User) => x.type === "student",
+												});
+												appendUserFilters({
+													id: "belongs-to-admin",
+													filter: (x: User) =>
+														groups
+															.filter((g) => g.admin === selectedUser.id || g.participants.includes(selectedUser.id))
+															.flatMap((g) => g.participants)
+															.includes(x.id),
+												});
+
+												router.push("/list/users");
+										  }
+										: undefined
+								}
+								onViewTeachers={
+									selectedUser.type === "corporate" || selectedUser.type === "student"
+										? () => {
+												appendUserFilters({
+													id: "view-teachers",
+													filter: (x: User) => x.type === "teacher",
+												});
+												appendUserFilters({
+													id: "belongs-to-admin",
+													filter: (x: User) =>
+														groups
+															.filter((g) => g.admin === selectedUser.id || g.participants.includes(selectedUser.id))
+															.flatMap((g) => g.participants)
+															.includes(x.id),
+												});
+
+												router.push("/list/users");
+										  }
+										: undefined
 								}
-								onViewTeachers={selectedUser.type === "corporate" ? () => setPage("teachers") : undefined}
 								user={selectedUser}
 							/>
 						</div>

src/dashboards/IconCard.tsx

@@ -19,7 +19,7 @@ export default function IconCard({Icon, label, value, color, onClick}: Props) {
 	return (
 		<div
 			onClick={onClick}
-			className="bg-white rounded-xl shadow p-4 flex flex-col gap-4 items-center w-52 h-52 justify-center cursor-pointer hover:shadow-xl transition ease-in-out duration-300">
+			className="bg-white rounded-xl shadow p-4 flex flex-col gap-4 items-center text-center w-52 h-52 justify-center cursor-pointer hover:shadow-xl transition ease-in-out duration-300">
 			<Icon className={clsx("text-6xl", colorClasses[color])} />
 			<span className="flex flex-col gap-1 items-center text-xl">
 				<span className="text-lg">{label}</span>

src/dashboards/Student.tsx

@@ -1,5 +1,6 @@
 import Button from "@/components/Low/Button";
 import ProgressBar from "@/components/Low/ProgressBar";
+import PayPalPayment from "@/components/PayPalPayment";
 import ProfileSummary from "@/components/ProfileSummary";
 import useAssignments from "@/hooks/useAssignments";
 import useStats from "@/hooks/useStats";
@@ -9,12 +10,16 @@ import useExamStore from "@/stores/examStore";
 import {getExamById} from "@/utils/exams";
 import {MODULE_ARRAY, sortByModule, sortByModuleName} from "@/utils/moduleUtils";
 import {averageScore, groupBySession} from "@/utils/stats";
+import {CreateOrderActions, CreateOrderData, OnApproveActions, OnApproveData, OrderResponseBody} from "@paypal/paypal-js";
+import {PayPalButtons} from "@paypal/react-paypal-js";
+import axios from "axios";
 import clsx from "clsx";
 import {capitalize} from "lodash";
 import moment from "moment";
 import Link from "next/link";
 import {useRouter} from "next/router";
 import {BsArrowRepeat, BsBook, BsClipboard, BsFileEarmarkText, BsHeadphones, BsMegaphone, BsPen, BsPencil, BsStar} from "react-icons/bs";
+import {toast} from "react-toastify";
 
 interface Props {
 	user: User;
@@ -33,7 +38,7 @@ export default function StudentDashboard({user}: Props) {
 	const setAssignment = useExamStore((state) => state.setAssignment);
 
 	const startAssignment = (assignment: Assignment) => {
-		const examPromises = assignment.exams.map((e) => getExamById(e.module, e.id));
+		const examPromises = assignment.exams.filter((e) => e.assignee === user.id).map((e) => getExamById(e.module, e.id));
 
 		Promise.all(examPromises).then((exams) => {
 			if (exams.every((x) => !!x)) {
@@ -116,6 +121,7 @@ export default function StudentDashboard({user}: Props) {
 								<div className="flex justify-between w-full items-center">
 									<div className="grid grid-cols-2 gap-2 place-items-center justify-center w-fit min-w-[104px] -md:mt-2">
 										{assignment.exams
+											.filter((e) => e.assignee === user.id)
 											.map((e) => e.module)
 											.sort(sortByModuleName)
 											.map((module) => (
@@ -185,11 +191,12 @@ export default function StudentDashboard({user}: Props) {
 									{module === "listening" && <BsHeadphones className="text-ielts-listening w-4 h-4 md:w-5 md:h-5" />}
 									{module === "writing" && <BsPen className="text-ielts-writing w-4 h-4 md:w-5 md:h-5" />}
 									{module === "speaking" && <BsMegaphone className="text-ielts-speaking w-4 h-4 md:w-5 md:h-5" />}
+									{module === "level" && <BsClipboard className="text-ielts-level w-4 h-4 md:w-5 md:h-5" />}
 								</div>
 								<div className="flex justify-between w-full">
 									<span className="font-bold md:font-extrabold text-sm">{capitalize(module)}</span>
 									<span className="text-sm font-normal text-mti-gray-dim">
-										Level {user.levels[module]} / Level {user.desiredLevels[module]}
+										Level {user.levels[module] || 0} / Level {user.desiredLevels[module] || 9}
 									</span>
 								</div>
 							</div>

src/dashboards/Teacher.tsx

@@ -24,7 +24,6 @@ import {
 	BsPersonFill,
 	BsPersonFillGear,
 	BsPersonGear,
-	BsPersonLinesFill,
 	BsPlus,
 	BsRepeat,
 	BsRepeat1,
@@ -104,7 +103,7 @@ export default function TeacherDashboard({user}: Props) {
 					<h2 className="text-2xl font-semibold">Students ({users.filter(filter).length})</h2>
 				</div>
 
-				<UserList user={user} filter={filter} />
+				<UserList user={user} filters={[filter]} />
 			</>
 		);
 	};

src/exams/Finish.tsx

@@ -10,6 +10,8 @@ import Link from "next/link";
 import {useRouter} from "next/router";
 import {Fragment, useEffect, useState} from "react";
 import {BsArrowCounterclockwise, BsBook, BsClipboard, BsEyeFill, BsHeadphones, BsMegaphone, BsPen, BsShareFill} from "react-icons/bs";
+import {LevelScore} from "@/constants/ielts";
+import {getLevelScore} from "@/utils/score";
 
 interface Score {
 	module: Module;
@@ -66,6 +68,22 @@ export default function Finish({user, scores, modules, isLoading, onViewResults}
 		return exam.exercises.length;
 	};
 
+	const bandScore: number = calculateBandScore(selectedScore.correct, selectedScore.total, selectedModule, user.focus);
+
+	const showLevel = (level: number) => {
+		if (selectedModule === "level") {
+			const [levelStr, grade] = getLevelScore(level);
+			return (
+				<div className="flex flex-col items-center justify-center gap-1">
+					<span className="text-xl font-bold">{levelStr}</span>
+					<span className="text-xl">{grade}</span>
+				</div>
+			);
+		}
+
+		return <span className="text-3xl font-bold">{level}</span>;
+	};
+
 	return (
 		<>
 			<div className="w-full min-h-full h-fit flex flex-col items-center justify-between gap-8">
@@ -136,14 +154,16 @@ export default function Finish({user, scores, modules, isLoading, onViewResults}
 				{isLoading && (
 					<div className="w-fit h-fit absolute top-1/2 -translate-y-1/2 left-1/2 -translate-x-1/2 animate-pulse flex flex-col gap-12 items-center">
 						<span className={clsx("loading loading-infinity w-32", moduleColors[selectedModule].progress)} />
-						<span className={clsx("font-bold text-2xl", moduleColors[selectedModule].progress)}>Evaluating your answers...</span>
+						<span className={clsx("font-bold text-2xl text-center", moduleColors[selectedModule].progress)}>
+							Evaluating your answers, please be patient...
+							<br />
+							You can also check it later on your records page!
+						</span>
 					</div>
 				)}
 				{!isLoading && (
 					<div className="w-full flex gap-9 mt-32 items-center justify-between mb-20">
-						<span className="max-w-3xl">
-							{moduleResultText(calculateBandScore(selectedScore.correct, selectedScore.total, selectedModule, user.focus))}
-						</span>
+						<span className="max-w-3xl">{moduleResultText(selectedModule, bandScore)}</span>
 						<div className="flex gap-9 px-16">
 							<div
 								className={clsx("radial-progress overflow-hidden", moduleColors[selectedModule].progress)}
@@ -156,9 +176,7 @@ export default function Finish({user, scores, modules, isLoading, onViewResults}
 										moduleColors[selectedModule].inner,
 									)}>
 									<span className="text-xl">Level</span>
-									<span className="text-3xl font-bold">
-										{calculateBandScore(selectedScore.correct, selectedScore.total, selectedModule, user.focus)}
-									</span>
+									{showLevel(bandScore)}
 								</div>
 							</div>
 							<div className="flex flex-col gap-5">

src/exams/Level.tsx

@@ -19,15 +19,28 @@ interface Props {
 }
 
 export default function Level({exam, showSolutions = false, onFinish}: Props) {
+	const [questionIndex, setQuestionIndex] = useState(0);
+	const [currentQuestionIndex, setCurrentQuestionIndex] = useState(0);
 	const [exerciseIndex, setExerciseIndex] = useState(0);
 	const [userSolutions, setUserSolutions] = useState<UserSolution[]>(exam.exercises.map((x) => defaultUserSolutions(x, exam)));
 
 	const [hasExamEnded, setHasExamEnded] = useExamStore((state) => [state.hasExamEnded, state.setHasExamEnded]);
 
+	useEffect(() => {
+		setCurrentQuestionIndex(0);
+	}, [questionIndex]);
+
+	useEffect(() => {
+		if (hasExamEnded && exerciseIndex === -1) {
+			setExerciseIndex((prev) => prev + 1);
+		}
+	}, [hasExamEnded, exerciseIndex]);
+
 	const nextExercise = (solution?: UserSolution) => {
 		if (solution) {
 			setUserSolutions((prev) => [...prev.filter((x) => x.exercise !== solution.exercise), solution]);
 		}
+		setQuestionIndex((prev) => prev + currentQuestionIndex);
 
 		if (exerciseIndex + 1 < exam.exercises.length) {
 			setExerciseIndex((prev) => prev + 1);
@@ -70,7 +83,7 @@ export default function Level({exam, showSolutions = false, onFinish}: Props) {
 			<div className="flex flex-col h-full w-full gap-8 items-center">
 				<ModuleTitle
 					minTimer={exam.minTimer}
-					exerciseIndex={exerciseIndex + 1}
+					exerciseIndex={exerciseIndex + 1 + questionIndex + currentQuestionIndex}
 					module="level"
 					totalExercises={countExercises(exam.exercises)}
 					disableTimer={showSolutions}
@@ -78,11 +91,11 @@ export default function Level({exam, showSolutions = false, onFinish}: Props) {
 				{exerciseIndex > -1 &&
 					exerciseIndex < exam.exercises.length &&
 					!showSolutions &&
-					renderExercise(getExercise(), nextExercise, previousExercise)}
+					renderExercise(getExercise(), nextExercise, previousExercise, setCurrentQuestionIndex)}
 				{exerciseIndex > -1 &&
 					exerciseIndex < exam.exercises.length &&
 					showSolutions &&
-					renderSolution(exam.exercises[exerciseIndex], nextExercise, previousExercise)}
+					renderSolution(exam.exercises[exerciseIndex], nextExercise, previousExercise, setCurrentQuestionIndex)}
 			</div>
 		</>
 	);

src/exams/Listening.tsx

@@ -17,6 +17,8 @@ interface Props {
 }
 
 export default function Listening({exam, showSolutions = false, onFinish}: Props) {
+	const [questionIndex, setQuestionIndex] = useState(0);
+	const [currentQuestionIndex, setCurrentQuestionIndex] = useState(0);
 	const [exerciseIndex, setExerciseIndex] = useState(showSolutions ? 0 : -1);
 	const [partIndex, setPartIndex] = useState(0);
 	const [timesListened, setTimesListened] = useState(0);
@@ -33,6 +35,10 @@ export default function Listening({exam, showSolutions = false, onFinish}: Props
 		}
 	}, [hasExamEnded, exerciseIndex]);
 
+	useEffect(() => {
+		setCurrentQuestionIndex(0);
+	}, [questionIndex]);
+
 	const confirmFinishModule = (keepGoing?: boolean) => {
 		if (!keepGoing) {
 			setShowBlankModal(false);
@@ -46,6 +52,7 @@ export default function Listening({exam, showSolutions = false, onFinish}: Props
 		if (solution) {
 			setUserSolutions((prev) => [...prev.filter((x) => x.exercise !== solution.exercise), solution]);
 		}
+		setQuestionIndex((prev) => prev + currentQuestionIndex);
 
 		if (exerciseIndex + 1 < exam.parts[partIndex].exercises.length && !hasExamEnded) {
 			setExerciseIndex((prev) => prev + 1);
@@ -130,7 +137,10 @@ export default function Listening({exam, showSolutions = false, onFinish}: Props
 							.flatMap((x) => x.exercises)
 							.findIndex(
 								(x) => x.id === exam.parts[partIndex].exercises[exerciseIndex === -1 ? exerciseIndex + 1 : exerciseIndex]?.id,
-							) || 0) + (exerciseIndex === -1 ? 0 : 1)
+							) || 0) +
+						(exerciseIndex === -1 ? 0 : 1) +
+						questionIndex +
+						currentQuestionIndex
 					}
 					minTimer={exam.minTimer}
 					module="listening"
@@ -141,11 +151,11 @@ export default function Listening({exam, showSolutions = false, onFinish}: Props
 				{exerciseIndex > -1 &&
 					exerciseIndex < exam.parts[partIndex].exercises.length &&
 					!showSolutions &&
-					renderExercise(getExercise(), nextExercise, previousExercise)}
+					renderExercise(getExercise(), nextExercise, previousExercise, setCurrentQuestionIndex)}
 				{exerciseIndex > -1 &&
 					exerciseIndex < exam.parts[partIndex].exercises.length &&
 					showSolutions &&
-					renderSolution(exam.parts[partIndex].exercises[exerciseIndex], nextExercise, previousExercise)}
+					renderSolution(exam.parts[partIndex].exercises[exerciseIndex], nextExercise, previousExercise, setCurrentQuestionIndex)}
 			</div>
 			{exerciseIndex === -1 && partIndex > 0 && (
 				<div className="self-end flex justify-between w-full gap-8 absolute bottom-8 left-0 px-8">

src/exams/Reading.tsx

@@ -81,6 +81,8 @@ function TextModal({isOpen, title, content, onClose}: {isOpen: boolean; title: s
 }
 
 export default function Reading({exam, showSolutions = false, onFinish}: Props) {
+	const [questionIndex, setQuestionIndex] = useState(0);
+	const [currentQuestionIndex, setCurrentQuestionIndex] = useState(0);
 	const [exerciseIndex, setExerciseIndex] = useState(showSolutions ? 0 : -1);
 	const [partIndex, setPartIndex] = useState(0);
 	const [showTextModal, setShowTextModal] = useState(false);
@@ -105,6 +107,10 @@ export default function Reading({exam, showSolutions = false, onFinish}: Props)
 		};
 	}, []);
 
+	useEffect(() => {
+		setCurrentQuestionIndex(0);
+	}, [questionIndex]);
+
 	useEffect(() => {
 		if (hasExamEnded && exerciseIndex === -1) {
 			setExerciseIndex((prev) => prev + 1);
@@ -124,6 +130,7 @@ export default function Reading({exam, showSolutions = false, onFinish}: Props)
 		if (solution) {
 			setUserSolutions((prev) => [...prev.filter((x) => x.exercise !== solution.exercise), solution]);
 		}
+		setQuestionIndex((prev) => prev + currentQuestionIndex);
 
 		if (exerciseIndex + 1 < exam.parts[partIndex].exercises.length && !hasExamEnded) {
 			setExerciseIndex((prev) => prev + 1);
@@ -207,7 +214,10 @@ export default function Reading({exam, showSolutions = false, onFinish}: Props)
 							.flatMap((x) => x.exercises)
 							.findIndex(
 								(x) => x.id === exam.parts[partIndex].exercises[exerciseIndex === -1 ? exerciseIndex + 1 : exerciseIndex]?.id,
-							) || 0) + (exerciseIndex === -1 ? 0 : 1)
+							) || 0) +
+						(exerciseIndex === -1 ? 0 : 1) +
+						questionIndex +
+						currentQuestionIndex
 					}
 					module="reading"
 					totalExercises={countExercises(exam.parts.flatMap((x) => x.exercises))}
@@ -219,11 +229,11 @@ export default function Reading({exam, showSolutions = false, onFinish}: Props)
 					{exerciseIndex > -1 &&
 						exerciseIndex < exam.parts[partIndex].exercises.length &&
 						!showSolutions &&
-						renderExercise(getExercise(), nextExercise, previousExercise)}
+						renderExercise(getExercise(), nextExercise, previousExercise, setCurrentQuestionIndex)}
 					{exerciseIndex > -1 &&
 						exerciseIndex < exam.parts[partIndex].exercises.length &&
 						showSolutions &&
-						renderSolution(exam.parts[partIndex].exercises[exerciseIndex], nextExercise, previousExercise)}
+						renderSolution(exam.parts[partIndex].exercises[exerciseIndex], nextExercise, previousExercise, setCurrentQuestionIndex)}
 				</div>
 				{exerciseIndex > -1 && exerciseIndex < exam.parts[partIndex].exercises.length && (
 					<Button

src/exams/Speaking.tsx

@@ -20,14 +20,21 @@ interface Props {
 }
 
 export default function Speaking({exam, showSolutions = false, onFinish}: Props) {
+	const [questionIndex, setQuestionIndex] = useState(0);
+	const [currentQuestionIndex, setCurrentQuestionIndex] = useState(0);
 	const [exerciseIndex, setExerciseIndex] = useState(0);
 	const [userSolutions, setUserSolutions] = useState<UserSolution[]>(exam.exercises.map((x) => defaultUserSolutions(x, exam)));
 	const [hasExamEnded, setHasExamEnded] = useExamStore((state) => [state.hasExamEnded, state.setHasExamEnded]);
 
+	useEffect(() => {
+		setCurrentQuestionIndex(0);
+	}, [questionIndex]);
+
 	const nextExercise = (solution?: UserSolution) => {
 		if (solution) {
 			setUserSolutions((prev) => [...prev.filter((x) => x.exercise !== solution.exercise), solution]);
 		}
+		setQuestionIndex((prev) => prev + currentQuestionIndex);
 
 		if (exerciseIndex + 1 < exam.exercises.length) {
 			setExerciseIndex((prev) => prev + 1);
@@ -71,7 +78,7 @@ export default function Speaking({exam, showSolutions = false, onFinish}: Props)
 				<ModuleTitle
 					label={convertCamelCaseToReadable(exam.exercises[exerciseIndex].type)}
 					minTimer={exam.minTimer}
-					exerciseIndex={exerciseIndex + 1}
+					exerciseIndex={exerciseIndex + 1 + questionIndex + currentQuestionIndex}
 					module="speaking"
 					totalExercises={countExercises(exam.exercises)}
 					disableTimer={showSolutions}
@@ -79,11 +86,11 @@ export default function Speaking({exam, showSolutions = false, onFinish}: Props)
 				{exerciseIndex > -1 &&
 					exerciseIndex < exam.exercises.length &&
 					!showSolutions &&
-					renderExercise(getExercise(), nextExercise, previousExercise)}
+					renderExercise(getExercise(), nextExercise, previousExercise, setCurrentQuestionIndex)}
 				{exerciseIndex > -1 &&
 					exerciseIndex < exam.exercises.length &&
 					showSolutions &&
-					renderSolution(exam.exercises[exerciseIndex], nextExercise, previousExercise)}
+					renderSolution(exam.exercises[exerciseIndex], nextExercise, previousExercise, setCurrentQuestionIndex)}
 			</div>
 		</>
 	);

src/firebase/index.ts

@@ -1,5 +1,6 @@
 import {initializeApp} from "firebase/app";
 import * as admin from "firebase-admin/app";
+import { getStorage } from "firebase/storage";
 
 const serviceAccount = require("@/constants/serviceAccountKey.json");
 
@@ -10,7 +11,6 @@ const firebaseConfig = {
 	storageBucket: process.env.FIREBASE_STORAGE_BUCKET || "",
 	messagingSenderId: process.env.FIREBASE_MESSAGING_SENDER_ID || "",
 	appId: process.env.FIREBASE_APP_ID || "",
-	measurementId: process.env.FIREBASE_MEASUREMENT_ID || "",
 };
 
 export const app = initializeApp(firebaseConfig, Math.random().toString());
@@ -20,3 +20,4 @@ export const adminApp = admin.initializeApp(
 	},
 	Math.random().toString(),
 );
+export const storage = getStorage(app);

src/hooks/useListSearch.tsx

@@ -0,0 +1,48 @@
+import {useState, useMemo} from 'react';
+import Input from "@/components/Low/Input";
+
+/*fields example = [
+    ['id'],
+    ['companyInformation', 'companyInformation', 'name']
+]*/
+
+
+const getFieldValue = (fields: string[], data: any): string => {
+    if(fields.length === 0) return data;
+    const [key, ...otherFields] = fields;
+
+    if(data[key]) return getFieldValue(otherFields, data[key]);
+    return data;
+}
+
+export const useListSearch = (fields: string[][], rows: any[]) => {
+    const [text, setText] = useState('');
+
+    const renderSearch = () => (
+        <Input
+            label="Search"
+            type="text"
+            name="search"
+            onChange={setText}
+            placeholder="Enter search text"
+            value={text}
+        />
+    )
+
+    const updatedRows = useMemo(() => {
+        const searchText = text.toLowerCase();
+        return rows.filter((row) => {
+            return fields.some((fieldsKeys) => {
+                const value = getFieldValue(fieldsKeys, row);
+                if(typeof value === 'string') {
+                    return value.toLowerCase().includes(searchText);
+                }
+            })
+        })
+    }, [fields, rows, text])
+
+    return {
+        rows: updatedRows,
+        renderSearch,
+    }
+}

src/hooks/usePackages.tsx

@@ -0,0 +1,22 @@
+import {Exam} from "@/interfaces/exam";
+import {Package} from "@/interfaces/paypal";
+import axios from "axios";
+import {useEffect, useState} from "react";
+
+export default function usePackages() {
+	const [packages, setPackages] = useState<Package[]>([]);
+	const [isLoading, setIsLoading] = useState(false);
+	const [isError, setIsError] = useState(false);
+
+	const getData = () => {
+		setIsLoading(true);
+		axios
+			.get<Package[]>("/api/packages")
+			.then((response) => setPackages(response.data))
+			.finally(() => setIsLoading(false));
+	};
+
+	useEffect(getData, []);
+
+	return {packages, isLoading, isError, reload: getData};
+}

src/hooks/usePayments.tsx

@@ -0,0 +1,24 @@
+import {Payment} from "@/interfaces/paypal";
+import {Group, User} from "@/interfaces/user";
+import axios from "axios";
+import {useEffect, useState} from "react";
+
+export default function usePayments() {
+	const [payments, setPayments] = useState<Payment[]>([]);
+	const [isLoading, setIsLoading] = useState(false);
+	const [isError, setIsError] = useState(false);
+
+	const getData = () => {
+		setIsLoading(true);
+		axios
+			.get<Payment[]>("/api/payments")
+			.then((response) => {
+				return setPayments(response.data);
+			})
+			.finally(() => setIsLoading(false));
+	};
+
+	useEffect(getData, []);
+
+	return {payments, isLoading, isError, reload: getData};
+}

src/hooks/useStats.tsx

@@ -10,7 +10,7 @@ export default function useStats(id?: string) {
 	useEffect(() => {
 		setIsLoading(true);
 		axios
-			.get<Stat[]>(!id ? "/api/stats" : `/api/stats/${id}`)
+			.get<Stat[]>(!id ? "/api/stats" : `/api/stats/user/${id}`)
 			.then((response) => setStats(response.data))
 			.finally(() => setIsLoading(false));
 	}, [id]);

src/interfaces/exam.ts

@@ -3,13 +3,7 @@ import {Module} from ".";
 export type Exam = ReadingExam | ListeningExam | WritingExam | SpeakingExam | LevelExam;
 
 export interface ReadingExam {
-	parts: {
-		text: {
-			title: string;
-			content: string;
-		};
-		exercises: Exercise[];
-	}[];
+	parts: ReadingPart[];
 	id: string;
 	module: "reading";
 	minTimer: number;
@@ -17,6 +11,14 @@ export interface ReadingExam {
 	isDiagnostic: boolean;
 }
 
+export interface ReadingPart {
+	text: {
+		title: string;
+		content: string;
+	};
+	exercises: Exercise[];
+}
+
 export interface LevelExam {
 	module: "level";
 	id: string;
@@ -26,20 +28,23 @@ export interface LevelExam {
 }
 
 export interface ListeningExam {
-	parts: {
-		audio: {
-			source: string;
-			repeatableTimes: number; // *The amount of times the user is allowed to repeat the audio, 0 for unlimited
-		};
-		exercises: Exercise[];
-	}[];
+	parts: ListeningPart[];
 	id: string;
 	module: "listening";
 	minTimer: number;
 	isDiagnostic: boolean;
 }
 
+export interface ListeningPart {
+	audio: {
+		source: string;
+		repeatableTimes: number; // *The amount of times the user is allowed to repeat the audio, 0 for unlimited
+	};
+	exercises: Exercise[];
+}
+
 export interface UserSolution {
+	id?: string;
 	solutions: any[];
 	module?: Module;
 	exam?: string;
@@ -88,6 +93,18 @@ export interface Evaluation {
 	overall: number;
 	task_response: {[key: string]: number};
 }
+
+interface InteractiveSpeakingEvaluation extends Evaluation {
+	perfect_answer_1?: string;
+	perfect_answer_2?: string;
+	perfect_answer_3?: string;
+}
+
+interface CommonEvaluation extends Evaluation {
+	perfect_answer?: string;
+	perfect_answer_1?: string;
+}
+
 export interface WritingExercise {
 	id: string;
 	type: "writing";
@@ -102,7 +119,7 @@ export interface WritingExercise {
 	userSolutions: {
 		id: string;
 		solution: string;
-		evaluation?: Evaluation;
+		evaluation?: CommonEvaluation;
 	}[];
 }
 
@@ -116,7 +133,7 @@ export interface SpeakingExercise {
 	userSolutions: {
 		id: string;
 		solution: string;
-		evaluation?: Evaluation;
+		evaluation?: CommonEvaluation;
 	}[];
 }
 
@@ -129,7 +146,7 @@ export interface InteractiveSpeakingExercise {
 	userSolutions: {
 		id: string;
 		solution: {question: string; answer: string}[];
-		evaluation?: Evaluation;
+		evaluation?: InteractiveSpeakingEvaluation;
 	}[];
 }
 

src/interfaces/paypal.ts

@@ -0,0 +1,37 @@
+export interface TokenSuccess {
+	scope: string;
+	access_token: string;
+	token_type: string;
+	app_id: string;
+	expires_in: number;
+	nonce: string;
+}
+
+export interface TokenError {
+	error: string;
+	error_description: string;
+}
+
+export interface Package {
+	id: string;
+	currency: string;
+	duration: number;
+	duration_unit: DurationUnit;
+	price: number;
+}
+
+export type DurationUnit = "weeks" | "days" | "months" | "years";
+
+export interface Payment {
+	id: string;
+	corporate: string;
+	agent?: string;
+	agentCommission: number;
+	agentValue: number;
+	currency: string;
+	value: number;
+	isPaid: boolean;
+	date: Date | string;
+	corporateTransfer?: string;
+	commissionTransfer?: string;
+}

src/interfaces/results.ts

@@ -19,7 +19,7 @@ export interface Assignment {
 		type: "academic" | "general";
 		stats: Stat[];
 	}[];
-	exams: {id: string; module: Module}[];
+	exams: {id: string; module: Module, assignee: string}[];
 	startDate: Date;
 	endDate: Date;
 }

src/interfaces/storage.files.ts

@@ -0,0 +1 @@
+export type FilesStorage = "commission" | "corporate";

src/interfaces/user.ts

@@ -1,11 +1,12 @@
 import {Module} from ".";
 
-export interface User {
+export type User = StudentUser | TeacherUser | CorporateUser | AgentUser | AdminUser | DeveloperUser;
+
+export interface BasicUser {
 	email: string;
 	name: string;
 	profilePicture: string;
 	id: string;
-	experience: number;
 	isFirstLogin: boolean;
 	focus: "academic" | "general";
 	levels: {[key in Module]: number};
@@ -13,22 +14,57 @@ export interface User {
 	type: Type;
 	bio: string;
 	isVerified: boolean;
-	demographicInformation?: DemographicInformation;
-	corporateInformation?: CorporateInformation;
 	subscriptionExpirationDate?: null | Date;
 	registrationDate?: Date;
 	status: "active" | "disabled" | "paymentDue";
 }
 
+export interface StudentUser extends BasicUser {
+	type: "student";
+	demographicInformation?: DemographicInformation;
+}
+
+export interface TeacherUser extends BasicUser {
+	type: "teacher";
+	demographicInformation?: DemographicInformation;
+}
+
+export interface CorporateUser extends BasicUser {
+	type: "corporate";
+	corporateInformation: CorporateInformation;
+	demographicInformation?: DemographicCorporateInformation;
+}
+
+export interface AgentUser extends BasicUser {
+	type: "agent";
+	agentInformation: AgentInformation;
+	demographicInformation?: DemographicInformation;
+}
+
+export interface AdminUser extends BasicUser {
+	type: "admin";
+	demographicInformation?: DemographicInformation;
+}
+
+export interface DeveloperUser extends BasicUser {
+	type: "developer";
+	demographicInformation?: DemographicInformation;
+}
+
 export interface CorporateInformation {
 	companyInformation: CompanyInformation;
+	monthlyDuration: number;
 	payment?: {
 		value: number;
 		currency: string;
+		commission: number;
 	};
-	monthlyDuration: number;
 	referralAgent?: string;
-	allowedUserAmount?: number;
+}
+
+export interface AgentInformation {
+	companyName: string;
+	commercialRegistration: string;
 }
 
 export interface CompanyInformation {
@@ -43,6 +79,13 @@ export interface DemographicInformation {
 	employment: EmploymentStatus;
 }
 
+export interface DemographicCorporateInformation {
+	country: string;
+	phone: string;
+	gender: Gender;
+	position: string;
+}
+
 export type Gender = "male" | "female" | "other";
 export type EmploymentStatus = "employed" | "student" | "self-employed" | "unemployed" | "retired" | "other";
 export const EMPLOYMENT_STATUS: {status: EmploymentStatus; label: string}[] = [
@@ -55,6 +98,7 @@ export const EMPLOYMENT_STATUS: {status: EmploymentStatus; label: string}[] = [
 ];
 
 export interface Stat {
+	id: string;
 	user: string;
 	exam: string;
 	exercise: string;
@@ -80,5 +124,5 @@ export interface Group {
 	disableEditing?: boolean;
 }
 
-export type Type = "student" | "teacher" | "corporate" | "owner" | "developer" | "agent";
-export const userTypes: Type[] = ["student", "teacher", "corporate", "owner", "developer", "agent"];
+export type Type = "student" | "teacher" | "corporate" | "admin" | "developer" | "agent";
+export const userTypes: Type[] = ["student", "teacher", "corporate", "admin", "developer", "agent"];

src/lib/session.ts

@@ -14,5 +14,6 @@ export const sessionOptions: IronSessionOptions = {
 declare module "iron-session" {
 	interface IronSessionData {
 		user?: User | null;
+		envVariables?: {[key: string]: string};
 	}
 }

src/pages/(admin)/BatchCodeGenerator.tsx

@@ -1,7 +1,9 @@
 import Button from "@/components/Low/Button";
 import Checkbox from "@/components/Low/Checkbox";
 import {PERMISSIONS} from "@/constants/userPermissions";
+import useUsers from "@/hooks/useUsers";
 import {Type, User} from "@/interfaces/user";
+import {USER_TYPE_LABELS} from "@/resources/user";
 import axios from "axios";
 import clsx from "clsx";
 import {capitalize} from "lodash";
@@ -17,6 +19,9 @@ export default function BatchCodeGenerator({user}: {user: User}) {
 	const [isLoading, setIsLoading] = useState(false);
 	const [expiryDate, setExpiryDate] = useState<Date | null>(null);
 	const [isExpiryDateEnabled, setIsExpiryDateEnabled] = useState(true);
+	const [type, setType] = useState<Type>("student");
+
+	const {users} = useUsers();
 
 	const {openFilePicker, filesContent} = useFilePicker({
 		accept: ".txt",
@@ -38,15 +43,18 @@ export default function BatchCodeGenerator({user}: {user: User}) {
 			const file = filesContent[0];
 			const emails = file.content
 				.split("\n")
-				.filter((x) => new RegExp(/^[a-zA-Z0-9]+(?:\.[a-zA-Z0-9]+)*@[a-zA-Z0-9]+(?:\.[a-zA-Z0-9]+)*$/).test(x));
+				.map((x) => x.trim())
+				.filter((x) => new RegExp(/^[a-zA-Z0-9]+(?:\.[a-zA-Z0-9]+)*@[a-zA-Z0-9]+(?:\.[a-zA-Z0-9]+)*$/).test(x))
+				.filter((x) => !users.map((u) => u.email).includes(x));
 
 			if (emails.length === 0) {
-				toast.error("Please upload a .txt file containing e-mails, one per line!");
+				toast.error("Please upload a .txt file containing e-mails, one per line! All already registered e-mails have also been ignored!");
 				return;
 			}
 
 			setEmails([...new Set(emails)]);
 		}
+		// eslint-disable-next-line react-hooks/exhaustive-deps
 	}, [filesContent]);
 
 	const generateCode = (type: Type) => {
@@ -83,7 +91,7 @@ export default function BatchCodeGenerator({user}: {user: User}) {
 			<Button onClick={openFilePicker} isLoading={isLoading} disabled={isLoading}>
 				{filesContent.length > 0 ? filesContent[0].name : "Choose a file"}
 			</Button>
-			{user && (user.type === "developer" || user.type === "owner") && (
+			{user && (user.type === "developer" || user.type === "admin") && (
 				<>
 					<div className="flex -md:flex-row md:flex-col -md:items-center 2xl:flex-row 2xl:items-center justify-between gap-2">
 						<label className="font-normal text-base text-mti-gray-dim">Expiry Date</label>
@@ -108,37 +116,20 @@ export default function BatchCodeGenerator({user}: {user: User}) {
 			)}
 			<label className="font-normal text-base text-mti-gray-dim">Select the type of user they should be</label>
 			{user && (
-				<div className="grid -md:grid-cols-2 md:grid-cols-1 xl:grid-cols-2 gap-4 place-items-center">
-					<Button
-						className="w-44 2xl:w-48"
-						variant="outline"
-						onClick={() => generateCode("student")}
-						disabled={emails.length === 0 || isLoading || !PERMISSIONS.generateCode.student.includes(user.type)}>
-						Student
-					</Button>
-					<Button
-						className="w-44 2xl:w-48"
-						variant="outline"
-						onClick={() => generateCode("teacher")}
-						disabled={emails.length === 0 || isLoading || !PERMISSIONS.generateCode.teacher.includes(user.type)}>
-						Teacher
-					</Button>
-					<Button
-						className="w-44 2xl:w-48"
-						variant="outline"
-						onClick={() => generateCode("corporate")}
-						disabled={emails.length === 0 || isLoading || !PERMISSIONS.generateCode.corporate.includes(user.type)}>
-						Corporate
-					</Button>
-					<Button
-						className="w-44 2xl:w-48"
-						variant="outline"
-						onClick={() => generateCode("owner")}
-						disabled={emails.length === 0 || isLoading || !PERMISSIONS.generateCode.owner.includes(user.type)}>
-						Owner
-					</Button>
-				</div>
+				<select
+					defaultValue="student"
+					onChange={(e) => setType(e.target.value as typeof user.type)}
+					className="p-6 w-full min-w-[350px] min-h-[70px] flex justify-center text-sm font-normal rounded-full border focus:outline-none cursor-pointer bg-white">
+					{Object.keys(USER_TYPE_LABELS).map((type) => (
+						<option key={type} value={type}>
+							{USER_TYPE_LABELS[type as keyof typeof USER_TYPE_LABELS]}
+						</option>
+					))}
+				</select>
 			)}
+			<Button onClick={() => generateCode(type)} disabled={emails.length === 0 || (isExpiryDateEnabled ? !expiryDate : false)}>
+				Generate & Send
+			</Button>
 		</div>
 	);
 }

src/pages/(admin)/CodeGenerator.tsx

@@ -2,6 +2,7 @@ import Button from "@/components/Low/Button";
 import Checkbox from "@/components/Low/Checkbox";
 import {PERMISSIONS} from "@/constants/userPermissions";
 import {Type, User} from "@/interfaces/user";
+import {USER_TYPE_LABELS} from "@/resources/user";
 import axios from "axios";
 import clsx from "clsx";
 import {capitalize} from "lodash";
@@ -15,6 +16,7 @@ export default function CodeGenerator({user}: {user: User}) {
 	const [generatedCode, setGeneratedCode] = useState<string>();
 	const [expiryDate, setExpiryDate] = useState<Date | null>(null);
 	const [isExpiryDateEnabled, setIsExpiryDateEnabled] = useState(true);
+	const [type, setType] = useState<Type>("student");
 
 	useEffect(() => {
 		if (user && (user.type === "corporate" || user.type === "teacher")) {
@@ -57,38 +59,18 @@ export default function CodeGenerator({user}: {user: User}) {
 		<div className="flex flex-col gap-4 border p-4 border-mti-gray-platinum rounded-xl">
 			<label className="font-normal text-base text-mti-gray-dim">User Code Generator</label>
 			{user && (
-				<div className="grid -md:grid-cols-2 md:grid-cols-1 place-items-center 2xl:grid-cols-2 gap-4">
-					<Button
-						className="w-44 md:w-48"
-						variant="outline"
-						onClick={() => generateCode("student")}
-						disabled={!PERMISSIONS.generateCode.student.includes(user.type) || (isExpiryDateEnabled && expiryDate === null)}>
-						Student
-					</Button>
-					<Button
-						className="w-44 md:w-48"
-						variant="outline"
-						onClick={() => generateCode("teacher")}
-						disabled={!PERMISSIONS.generateCode.teacher.includes(user.type) || (isExpiryDateEnabled && expiryDate === null)}>
-						Teacher
-					</Button>
-					<Button
-						className="w-44 md:w-48"
-						variant="outline"
-						onClick={() => generateCode("corporate")}
-						disabled={!PERMISSIONS.generateCode.corporate.includes(user.type) || (isExpiryDateEnabled && expiryDate === null)}>
-						Corporate
-					</Button>
-					<Button
-						className="w-44 md:w-48"
-						variant="outline"
-						onClick={() => generateCode("owner")}
-						disabled={!PERMISSIONS.generateCode.owner.includes(user.type) || (isExpiryDateEnabled && expiryDate === null)}>
-						Owner
-					</Button>
-				</div>
+				<select
+					defaultValue="student"
+					onChange={(e) => setType(e.target.value as typeof user.type)}
+					className="p-6 w-full min-w-[350px] min-h-[70px] flex justify-center text-sm font-normal rounded-full border focus:outline-none cursor-pointer bg-white">
+					{Object.keys(USER_TYPE_LABELS).map((type) => (
+						<option key={type} value={type}>
+							{USER_TYPE_LABELS[type as keyof typeof USER_TYPE_LABELS]}
+						</option>
+					))}
+				</select>
 			)}
-			{user && (user.type === "developer" || user.type === "owner") && (
+			{user && (user.type === "developer" || user.type === "admin") && (
 				<>
 					<div className="flex -md:flex-row md:flex-col -md:items-center 2xl:flex-row 2xl:items-center justify-between gap-2">
 						<label className="font-normal text-base text-mti-gray-dim">Expiry Date</label>
@@ -111,6 +93,9 @@ export default function CodeGenerator({user}: {user: User}) {
 					)}
 				</>
 			)}
+			<Button onClick={() => generateCode(type)} disabled={isExpiryDateEnabled ? !expiryDate : false}>
+				Generate
+			</Button>
 			<label className="font-normal text-base text-mti-gray-dim">Generated Code:</label>
 			<div
 				className={clsx(

src/pages/(admin)/Lists/ExamList.tsx

@@ -131,7 +131,7 @@ export default function ExamList({user}: {user: User}) {
 				{table.getHeaderGroups().map((headerGroup) => (
 					<tr key={headerGroup.id}>
 						{headerGroup.headers.map((header) => (
-							<th className="py-4" key={header.id}>
+							<th className="p-4 text-left" key={header.id}>
 								{header.isPlaceholder ? null : flexRender(header.column.columnDef.header, header.getContext())}
 							</th>
 						))}

src/pages/(admin)/Lists/GroupList.tsx

@@ -16,6 +16,7 @@ import {toast} from "react-toastify";
 import Select from "react-select";
 import {uuidv4} from "@firebase/util";
 import {useFilePicker} from "use-file-picker";
+import Modal from "@/components/Modal";
 
 const columnHelper = createColumnHelper<Group>();
 
@@ -23,10 +24,10 @@ interface CreateDialogProps {
 	user: User;
 	users: User[];
 	group?: Group;
-	onCreate: (group: Group) => void;
+	onClose: () => void;
 }
 
-const CreatePanel = ({user, users, group, onCreate}: CreateDialogProps) => {
+const CreatePanel = ({user, users, group, onClose}: CreateDialogProps) => {
 	const [name, setName] = useState<string | undefined>(group?.name || undefined);
 	const [admin, setAdmin] = useState<string>(group?.admin || user.id);
 	const [participants, setParticipants] = useState<string[]>(group?.participants || []);
@@ -51,7 +52,7 @@ const CreatePanel = ({user, users, group, onCreate}: CreateDialogProps) => {
 			const emailUsers = [...new Set(emails)].map((x) => users.find((y) => y.email.toLowerCase() === x)).filter((x) => x !== undefined);
 			const filteredUsers = emailUsers.filter(
 				(x) =>
-					((user.type === "developer" || user.type === "owner" || user.type === "corporate") &&
+					((user.type === "developer" || user.type === "admin" || user.type === "corporate") &&
 						(x?.type === "student" || x?.type === "teacher")) ||
 					(user.type === "teacher" && x?.type === "student"),
 			);
@@ -66,6 +67,24 @@ const CreatePanel = ({user, users, group, onCreate}: CreateDialogProps) => {
 		}
 	}, [filesContent, user.type, users]);
 
+	const submit = () => {
+		if (name !== group?.name && (name === "Students" || name === "Teachers")) {
+			toast.error("That group name is reserved and cannot be used, please enter another one.");
+			return;
+		}
+
+		(group ? axios.patch : axios.post)(group ? `/api/groups/${group.id}` : "/api/groups", {name, admin, participants})
+			.then(() => {
+				toast.success(`Group "${name}" ${group ? "edited" : "created"} successfully`);
+				return true;
+			})
+			.catch(() => {
+				toast.error("Something went wrong, please try again later!");
+				return false;
+			})
+			.finally(onClose);
+	};
+
 	return (
 		<div className="flex flex-col gap-12 mt-4 w-full px-4 py-2">
 			<div className="flex flex-col gap-8">
@@ -106,18 +125,14 @@ const CreatePanel = ({user, users, group, onCreate}: CreateDialogProps) => {
 					</div>
 				</div>
 			</div>
-			<Button
-				className="w-full max-w-[200px] self-end"
-				disabled={!name}
-				onClick={() => {
-					if (name !== group?.name && (name === "Students" || name === "Teachers")) {
-						toast.error("That group name is reserved and cannot be used, please enter another one.");
-						return;
-					}
-					onCreate({name: name!, admin, participants, id: group?.id || uuidv4()});
-				}}>
-				{!group ? "Create" : "Update"}
-			</Button>
+			<div className="flex w-full justify-end items-center gap-8 mt-8">
+				<Button variant="outline" color="red" className="w-full max-w-[200px]" onClick={onClose}>
+					Cancel
+				</Button>
+				<Button className="w-full max-w-[200px]" onClick={submit} disabled={!name}>
+					Submit
+				</Button>
+			</div>
 		</div>
 	);
 };
@@ -125,56 +140,19 @@ const CreatePanel = ({user, users, group, onCreate}: CreateDialogProps) => {
 const filterTypes = ["corporate", "teacher"];
 
 export default function GroupList({user}: {user: User}) {
-	const [editingID, setEditingID] = useState<string>();
-	const [showDisclosure, setShowDisclosure] = useState(false);
+	const [isCreating, setIsCreating] = useState(false);
+	const [editingGroup, setEditingGroup] = useState<Group>();
 	const [filterByUser, setFilterByUser] = useState(false);
 
 	const {users} = useUsers();
 	const {groups, reload} = useGroups(user && filterTypes.includes(user?.type) ? user.id : undefined);
 
-	useEffect(() => {
-		if (editingID) setShowDisclosure(true);
-	}, [editingID]);
-
-	useEffect(() => {
-		if (showDisclosure) document.getElementById("disclosure")?.scrollTo();
-		if (!showDisclosure) setEditingID(undefined);
-	}, [showDisclosure]);
-
 	useEffect(() => {
 		if (user && (user.type === "corporate" || user.type === "teacher")) {
 			setFilterByUser(true);
 		}
 	}, [user]);
 
-	const createGroup = (group: Group) => {
-		return axios
-			.post<{ok: boolean}>("/api/groups", group)
-			.then(() => {
-				toast.success(`Group "${group.name}" created successfully`);
-				return true;
-			})
-			.catch(() => {
-				toast.error("Something went wrong, please try again later!");
-				return false;
-			})
-			.finally(reload);
-	};
-
-	const updateGroup = (group: Group) => {
-		return axios
-			.patch<{ok: boolean}>(`/api/groups/${group.id}`, group)
-			.then(() => {
-				toast.success(`Group "${group.name}" created successfully`);
-				return true;
-			})
-			.catch(() => {
-				toast.error("Something went wrong, please try again later!");
-				return false;
-			})
-			.finally(reload);
-	};
-
 	const deleteGroup = (group: Group) => {
 		if (!confirm(`Are you sure you want to delete "${group.name}"?`)) return;
 
@@ -216,10 +194,10 @@ export default function GroupList({user}: {user: User}) {
 			cell: ({row}: {row: {original: Group}}) => {
 				return (
 					<>
-						{(user?.type === "developer" || user?.type === "owner" || user.id === row.original.admin) && (
+						{user && (user.type === "developer" || user.type === "admin" || user.id === row.original.admin) && (
 							<div className="flex gap-2">
-								{editingID !== row.original.id && (
-									<div data-tip="Edit" className="cursor-pointer tooltip" onClick={() => setEditingID(row.original.id)}>
+								{!row.original.disableEditing && (
+									<div data-tip="Edit" className="cursor-pointer tooltip" onClick={() => setEditingGroup(row.original)}>
 										<BsPencil className="hover:text-mti-purple-light transition ease-in-out duration-300" />
 									</div>
 								)}
@@ -242,8 +220,32 @@ export default function GroupList({user}: {user: User}) {
 		getCoreRowModel: getCoreRowModel(),
 	});
 
+	const closeModal = () => {
+		setIsCreating(false);
+		setEditingGroup(undefined);
+		reload();
+	};
+
 	return (
-		<>
+		<div className="w-full h-full rounded-xl">
+			<Modal isOpen={isCreating || !!editingGroup} onClose={closeModal} title={editingGroup ? `Editing ${editingGroup.name}` : "New Group"}>
+				<CreatePanel
+					group={editingGroup}
+					user={user}
+					onClose={closeModal}
+					users={
+						user?.type === "corporate" || user?.type === "teacher"
+							? users.filter(
+									(u) =>
+										groups
+											.filter((g) => g.admin === user.id)
+											.flatMap((g) => g.participants)
+											.includes(u.id) || groups.flatMap((g) => g.participants).includes(u.id),
+							  )
+							: users
+					}
+				/>
+			</Modal>
 			<table className="rounded-xl bg-mti-purple-ultralight/40 w-full">
 				<thead>
 					{table.getHeaderGroups().map((headerGroup) => (
@@ -268,54 +270,12 @@ export default function GroupList({user}: {user: User}) {
 					))}
 				</tbody>
 			</table>
-			<>
-				<div
-					className={clsx(
-						"w-full px-4 py-2 bg-mti-purple-ultralight/40 flex gap-2 items-center justify-center rounded-lg",
-						"transition duration-300 ease-in-out",
-						"hover:bg-mti-purple-ultralight cursor-pointer",
-					)}
-					onClick={() => setShowDisclosure((prev) => !prev)}>
-					{!showDisclosure ? <BsPlus className="w-6 h-6" /> : <BsDash className="w-6 h-6" />}
 
-					<span>{!showDisclosure ? "Create group" : "Cancel"}</span>
-				</div>
-				<Transition
-					show={showDisclosure}
-					enter="transition duration-100 ease-out"
-					enterFrom="transform scale-95 opacity-0"
-					enterTo="transform scale-100 opacity-100"
-					leave="transition duration-75 ease-out"
-					leaveFrom="transform scale-100 opacity-100"
-					leaveTo="transform scale-95 opacity-0">
-					<div id="#disclosure">
-						<CreatePanel
-							group={editingID ? groups.find((x) => x.id === editingID) : undefined}
-							user={user}
-							users={
-								user?.type === "corporate" || user?.type === "teacher"
-									? users.filter(
-											(u) =>
-												groups
-													.filter((g) => g.admin === user.id)
-													.flatMap((g) => g.participants)
-													.includes(u.id) || groups.flatMap((g) => g.participants).includes(u.id),
-									  )
-									: users
-							}
-							onCreate={(group) => {
-								(!editingID ? createGroup : updateGroup)(group).then((result) => {
-									if (result) {
-										setShowDisclosure(false);
-										setEditingID(undefined);
-										reload();
-									}
-								});
-							}}
-						/>
-					</div>
-				</Transition>
-			</>
-		</>
+			<button
+				onClick={() => setIsCreating(true)}
+				className="w-full py-2 bg-mti-purple-light hover:bg-mti-purple transition ease-in-out duration-300 text-white">
+				New Group
+			</button>
+		</div>
 	);
 }

src/pages/(admin)/Lists/PackageList.tsx

@@ -0,0 +1,261 @@
+import Input from "@/components/Low/Input";
+import Modal from "@/components/Modal";
+import {PERMISSIONS} from "@/constants/userPermissions";
+import useExams from "@/hooks/useExams";
+import usePackages from "@/hooks/usePackages";
+import useUsers from "@/hooks/useUsers";
+import {Module} from "@/interfaces";
+import {Exam} from "@/interfaces/exam";
+import {Package} from "@/interfaces/paypal";
+import {Type, User} from "@/interfaces/user";
+import useExamStore from "@/stores/examStore";
+import {getExamById} from "@/utils/exams";
+import {countExercises} from "@/utils/moduleUtils";
+import {createColumnHelper, flexRender, getCoreRowModel, useReactTable} from "@tanstack/react-table";
+import axios from "axios";
+import clsx from "clsx";
+import {capitalize} from "lodash";
+import {useRouter} from "next/router";
+import {useState} from "react";
+import {BsCheck, BsPencil, BsTrash, BsUpload} from "react-icons/bs";
+import {toast} from "react-toastify";
+import Select from "react-select";
+import {CURRENCIES} from "@/resources/paypal";
+import Button from "@/components/Low/Button";
+
+const CLASSES: {[key in Module]: string} = {
+	reading: "text-ielts-reading",
+	listening: "text-ielts-listening",
+	speaking: "text-ielts-speaking",
+	writing: "text-ielts-writing",
+	level: "text-ielts-level",
+};
+
+const columnHelper = createColumnHelper<Package>();
+
+type DurationUnit = "days" | "weeks" | "months" | "years";
+
+function PackageCreator({pack, onClose}: {pack?: Package; onClose: () => void}) {
+	const [duration, setDuration] = useState(pack?.duration || 1);
+	const [unit, setUnit] = useState<DurationUnit>(pack?.duration_unit || "months");
+
+	const [price, setPrice] = useState(pack?.price || 0);
+	const [currency, setCurrency] = useState<string>(pack?.currency || "EUR");
+
+	const submit = () => {
+		(pack ? axios.patch : axios.post)(pack ? `/api/packages/${pack.id}` : "/api/packages", {
+			duration,
+			duration_unit: unit,
+			price,
+			currency,
+		})
+			.then(() => {
+				toast.success("New payment has been created successfully!");
+				onClose();
+			})
+			.catch(() => {
+				toast.error("Something went wrong, please try again later!");
+			});
+	};
+
+	return (
+		<div className="flex flex-col gap-8 py-8">
+			<div className="flex flex-col gap-3">
+				<label className="font-normal text-base text-mti-gray-dim">Price *</label>
+				<div className="flex gap-4 items-center">
+					<Input defaultValue={price} name="price" type="number" onChange={(e) => setPrice(parseInt(e))} />
+
+					<Select
+						className="px-4 col-span-2 py-4 w-full text-sm font-normal placeholder:text-mti-gray-cool disabled:bg-mti-gray-platinum/40 disabled:text-mti-gray-dim disabled:cursor-not-allowed bg-white rounded-full border border-mti-gray-platinum focus:outline-none"
+						options={CURRENCIES.map(({label, currency}) => ({value: currency, label}))}
+						defaultValue={{value: currency || "EUR", label: CURRENCIES.find((c) => c.currency === currency)?.label || "Euro"}}
+						onChange={(value) => setCurrency(value?.value || "EUR")}
+						value={{value: currency || "EUR", label: CURRENCIES.find((c) => c.currency === currency)?.label || "Euro"}}
+						styles={{
+							control: (styles) => ({
+								...styles,
+								paddingLeft: "4px",
+								border: "none",
+								outline: "none",
+								":focus": {
+									outline: "none",
+								},
+							}),
+							option: (styles, state) => ({
+								...styles,
+								backgroundColor: state.isFocused ? "#D5D9F0" : state.isSelected ? "#7872BF" : "white",
+								color: state.isFocused ? "black" : styles.color,
+							}),
+						}}
+					/>
+				</div>
+			</div>
+			<div className="flex flex-col gap-3">
+				<label className="font-normal text-base text-mti-gray-dim">Duration *</label>
+				<div className="flex gap-4 items-center">
+					<Input defaultValue={duration} name="duration" type="number" onChange={(e) => setDuration(parseInt(e))} />
+					<Select
+						className="px-4 col-span-2 py-4 w-full text-sm font-normal placeholder:text-mti-gray-cool disabled:bg-mti-gray-platinum/40 disabled:text-mti-gray-dim disabled:cursor-not-allowed bg-white rounded-full border border-mti-gray-platinum focus:outline-none"
+						options={[
+							{value: "days", label: "Days"},
+							{value: "weeks", label: "Weeks"},
+							{value: "months", label: "Months"},
+							{value: "years", label: "Years"},
+						]}
+						defaultValue={{value: "months", label: "Months"}}
+						onChange={(value) => setUnit((value?.value as DurationUnit) || "months")}
+						value={{value: unit, label: capitalize(unit)}}
+						styles={{
+							control: (styles) => ({
+								...styles,
+								paddingLeft: "4px",
+								border: "none",
+								outline: "none",
+								":focus": {
+									outline: "none",
+								},
+							}),
+							option: (styles, state) => ({
+								...styles,
+								backgroundColor: state.isFocused ? "#D5D9F0" : state.isSelected ? "#7872BF" : "white",
+								color: state.isFocused ? "black" : styles.color,
+							}),
+						}}
+					/>
+				</div>
+			</div>
+			<div className="flex w-full justify-end items-center gap-8 mt-8">
+				<Button variant="outline" color="red" className="w-full max-w-[200px]" onClick={onClose}>
+					Cancel
+				</Button>
+				<Button className="w-full max-w-[200px]" onClick={submit} disabled={!duration || !price}>
+					Submit
+				</Button>
+			</div>
+		</div>
+	);
+}
+
+export default function PackageList({user}: {user: User}) {
+	const [isCreating, setIsCreating] = useState(false);
+	const [editingPackage, setEditingPackage] = useState<Package>();
+
+	const {packages, reload} = usePackages();
+
+	const deletePackage = async (pack: Package) => {
+		if (!confirm(`Are you sure you want to delete this package?`)) return;
+
+		axios
+			.delete(`/api/packages/${pack.id}`)
+			.then(() => toast.success(`Deleted the "${pack.id}" exam`))
+			.catch((reason) => {
+				if (reason.response.status === 404) {
+					toast.error("Package not found!");
+					return;
+				}
+
+				if (reason.response.status === 403) {
+					toast.error("You do not have permission to delete this exam!");
+					return;
+				}
+
+				toast.error("Something went wrong, please try again later.");
+			})
+			.finally(reload);
+	};
+
+	const defaultColumns = [
+		columnHelper.accessor("id", {
+			header: "ID",
+			cell: (info) => info.getValue(),
+		}),
+		columnHelper.accessor("duration", {
+			header: "Duration",
+			cell: (info) => (
+				<span>
+					{info.getValue()} {info.row.original.duration_unit}
+				</span>
+			),
+		}),
+		columnHelper.accessor("price", {
+			header: "Price",
+			cell: (info) => (
+				<span>
+					{info.getValue()} {info.row.original.currency}
+				</span>
+			),
+		}),
+		{
+			header: "",
+			id: "actions",
+			cell: ({row}: {row: {original: Package}}) => {
+				return (
+					<div className="flex gap-4">
+						{["developer", "admin"].includes(user.type) && (
+							<div data-tip="Edit" className="cursor-pointer tooltip" onClick={() => setEditingPackage(row.original)}>
+								<BsPencil className="hover:text-mti-purple-light transition ease-in-out duration-300" />
+							</div>
+						)}
+						{["developer", "admin"].includes(user.type) && (
+							<div data-tip="Delete" className="cursor-pointer tooltip" onClick={() => deletePackage(row.original)}>
+								<BsTrash className="hover:text-mti-purple-light transition ease-in-out duration-300" />
+							</div>
+						)}
+					</div>
+				);
+			},
+		},
+	];
+
+	const table = useReactTable({
+		data: packages,
+		columns: defaultColumns,
+		getCoreRowModel: getCoreRowModel(),
+	});
+
+	const closeModal = () => {
+		setIsCreating(false);
+		setEditingPackage(undefined);
+		reload();
+	};
+
+	return (
+		<div className="w-full h-full rounded-xl">
+			<Modal
+				isOpen={isCreating || !!editingPackage}
+				onClose={closeModal}
+				title={editingPackage ? `Editing ${editingPackage.id}` : "New Package"}>
+				<PackageCreator onClose={closeModal} pack={editingPackage} />
+			</Modal>
+			<table className="bg-mti-purple-ultralight/40 w-full">
+				<thead>
+					{table.getHeaderGroups().map((headerGroup) => (
+						<tr key={headerGroup.id}>
+							{headerGroup.headers.map((header) => (
+								<th className="p-4 text-left" key={header.id}>
+									{header.isPlaceholder ? null : flexRender(header.column.columnDef.header, header.getContext())}
+								</th>
+							))}
+						</tr>
+					))}
+				</thead>
+				<tbody className="px-2">
+					{table.getRowModel().rows.map((row) => (
+						<tr className="odd:bg-white even:bg-mti-purple-ultralight/40 rounded-lg py-2" key={row.id}>
+							{row.getVisibleCells().map((cell) => (
+								<td className="px-4 py-2" key={cell.id}>
+									{flexRender(cell.column.columnDef.cell, cell.getContext())}
+								</td>
+							))}
+						</tr>
+					))}
+				</tbody>
+			</table>
+			<button
+				onClick={() => setIsCreating(true)}
+				className="w-full py-2 bg-mti-purple-light hover:bg-mti-purple transition ease-in-out duration-300 text-white">
+				New Package
+			</button>
+		</div>
+	);
+}

src/pages/(admin)/Lists/UserList.tsx

@@ -2,7 +2,7 @@ import Button from "@/components/Low/Button";
 import {PERMISSIONS} from "@/constants/userPermissions";
 import useGroups from "@/hooks/useGroups";
 import useUsers from "@/hooks/useUsers";
-import {Type, User, userTypes} from "@/interfaces/user";
+import {Type, User, userTypes, CorporateUser} from "@/interfaces/user";
 import {Popover, Transition} from "@headlessui/react";
 import {createColumnHelper, flexRender, getCoreRowModel, useReactTable} from "@tanstack/react-table";
 import axios from "axios";
@@ -16,17 +16,29 @@ import {countries, TCountries} from "countries-list";
 import countryCodes from "country-codes-list";
 import Modal from "@/components/Modal";
 import UserCard from "@/components/UserCard";
+import {USER_TYPE_LABELS} from "@/resources/user";
+import useFilterStore from "@/stores/listFilterStore";
+import {useRouter} from "next/router";
+import {isCorporateUser} from '@/resources/user';
+import { useListSearch } from "@/hooks/useListSearch";
 
 const columnHelper = createColumnHelper<User>();
-
-export default function UserList({user, filter}: {user: User; filter?: (user: User) => boolean}) {
+const searchFields = [
+	['name'],
+	['email'],
+	['corporateInformation', 'companyInformation', 'name'],
+];
+export default function UserList({user, filters = []}: {user: User; filters?: ((user: User) => boolean)[]}) {
 	const [showDemographicInformation, setShowDemographicInformation] = useState(false);
 	const [sorter, setSorter] = useState<string>();
 	const [displayUsers, setDisplayUsers] = useState<User[]>([]);
 	const [selectedUser, setSelectedUser] = useState<User>();
 
 	const {users, reload} = useUsers();
-	const {groups} = useGroups(user ? user.id : undefined);
+	const {groups} = useGroups(user && (user?.type === "corporate" || user?.type === "teacher") ? user.id : undefined);
+
+	const appendUserFilters = useFilterStore((state) => state.appendUserFilter);
+	const router = useRouter();
 
 	const expirationDateColor = (date: Date) => {
 		const momentDate = moment(date);
@@ -41,11 +53,11 @@ export default function UserList({user, filter}: {user: User; filter?: (user: Us
 	useEffect(() => {
 		if (user && users) {
 			const filterUsers =
-				user.type === "corporate" || user.type === "student"
+				user.type === "corporate" || user.type === "teacher"
 					? users.filter((u) => groups.flatMap((g) => g.participants).includes(u.id))
 					: users;
 
-			const filteredUsers = filter ? filterUsers.filter(filter) : filterUsers;
+			const filteredUsers = filters.reduce((d, f) => d.filter(f), filterUsers);
 
 			setDisplayUsers([...filteredUsers.sort(sortFunction)]);
 		}
@@ -159,13 +171,13 @@ export default function UserList({user, filter}: {user: User; filter?: (user: Us
 										onClick={() => updateAccountType(row.original, "corporate")}
 										className="text-sm !py-2 !px-4"
 										disabled={row.original.type === "corporate" || !PERMISSIONS.generateCode["corporate"].includes(user.type)}>
-										Admin
+										Corporate
 									</Button>
 									<Button
-										onClick={() => updateAccountType(row.original, "owner")}
+										onClick={() => updateAccountType(row.original, "admin")}
 										className="text-sm !py-2 !px-4"
-										disabled={row.original.type === "owner" || !PERMISSIONS.generateCode["owner"].includes(user.type)}>
-										Owner
+										disabled={row.original.type === "admin" || !PERMISSIONS.generateCode["admin"].includes(user.type)}>
+										Admin
 									</Button>
 								</div>
 							</Popover.Panel>
@@ -241,14 +253,15 @@ export default function UserList({user, filter}: {user: User; filter?: (user: Us
 			cell: (info) => info.getValue() || "Not available",
 			enableSorting: true,
 		}),
-		columnHelper.accessor("demographicInformation.employment", {
+		columnHelper.accessor((x) => (x.type === "corporate" ? x.demographicInformation?.position : x.demographicInformation?.employment), {
+			id: "employment",
 			header: (
 				<button className="flex gap-2 items-center" onClick={() => setSorter((prev) => selectSorter(prev, "employment"))}>
-					<span>Employment</span>
+					<span>Employment/Position</span>
 					<SorterArrow name="employment" />
 				</button>
 			) as any,
-			cell: (info) => capitalize(info.getValue()) || "Not available",
+			cell: (info) => (info.row.original.type === "corporate" ? info.getValue() : capitalize(info.getValue())) || "Not available",
 			enableSorting: true,
 		}),
 		columnHelper.accessor("demographicInformation.gender", {
@@ -287,7 +300,7 @@ export default function UserList({user, filter}: {user: User; filter?: (user: Us
 							"underline text-mti-purple-light hover:text-mti-purple-dark transition ease-in-out duration-300 cursor-pointer",
 					)}
 					onClick={() => (PERMISSIONS.updateExpiryDate[row.original.type].includes(user.type) ? setSelectedUser(row.original) : null)}>
-					{getValue()}
+					{row.original.type === "corporate" ? row.original.corporateInformation?.companyInformation?.name || getValue() : getValue()}
 				</div>
 			),
 		}),
@@ -316,7 +329,16 @@ export default function UserList({user, filter}: {user: User; filter?: (user: Us
 					<SorterArrow name="type" />
 				</button>
 			) as any,
-			cell: (info) => capitalize(info.getValue()),
+			cell: (info) => USER_TYPE_LABELS[info.getValue()],
+		}),
+		columnHelper.accessor('corporateInformation.companyInformation.name', {
+			header: (
+				<button className="flex gap-2 items-center" onClick={() => setSorter((prev) => selectSorter(prev, "companyName"))}>
+					<span>Company Name</span>
+					<SorterArrow name="companyName" />
+				</button>
+			) as any,
+			cell: (info) => getCorporateName(info.row.original),
 		}),
 		columnHelper.accessor("subscriptionExpirationDate", {
 			header: (
@@ -371,6 +393,14 @@ export default function UserList({user, filter}: {user: User; filter?: (user: Us
 		return undefined;
 	};
 
+	const getCorporateName = (user: User) => {
+		if(isCorporateUser(user)) {
+			return user.corporateInformation?.companyInformation?.name
+		}
+
+		return '';
+	}
+
 	const sortFunction = (a: User, b: User) => {
 		if (sorter === "name" || sorter === reverseString("name"))
 			return sorter === "name" ? a.name.localeCompare(b.name) : b.name.localeCompare(a.name);
@@ -418,13 +448,14 @@ export default function UserList({user, filter}: {user: User; filter?: (user: Us
 		}
 
 		if (sorter === "employment" || sorter === reverseString("employment")) {
-			if (!a.demographicInformation?.employment && b.demographicInformation?.employment) return sorter === "employment" ? -1 : 1;
-			if (a.demographicInformation?.employment && !b.demographicInformation?.employment) return sorter === "employment" ? 1 : -1;
-			if (!a.demographicInformation?.employment && !b.demographicInformation?.employment) return 0;
+			const aSortingItem = a.type === "corporate" ? a.demographicInformation?.position : a.demographicInformation?.employment;
+			const bSortingItem = b.type === "corporate" ? b.demographicInformation?.position : b.demographicInformation?.employment;
 
-			return sorter === "employment"
-				? a.demographicInformation!.employment.localeCompare(b.demographicInformation!.employment)
-				: b.demographicInformation!.employment.localeCompare(a.demographicInformation!.employment);
+			if (!aSortingItem && bSortingItem) return sorter === "employment" ? -1 : 1;
+			if (aSortingItem && !bSortingItem) return sorter === "employment" ? 1 : -1;
+			if (!aSortingItem && !bSortingItem) return 0;
+
+			return sorter === "employment" ? aSortingItem!.localeCompare(bSortingItem!) : bSortingItem!.localeCompare(aSortingItem!);
 		}
 
 		if (sorter === "gender" || sorter === reverseString("gender")) {
@@ -437,11 +468,28 @@ export default function UserList({user, filter}: {user: User; filter?: (user: Us
 				: b.demographicInformation!.gender.localeCompare(a.demographicInformation!.gender);
 		}
 
+		if(sorter === 'companyName' || sorter === reverseString('companyName')) {
+			const aCorporateName = getCorporateName(a);
+			const bCorporateName = getCorporateName(b);
+			if (!aCorporateName && bCorporateName) return sorter === "companyName" ? -1 : 1;
+			if (aCorporateName && !bCorporateName) return sorter === "companyName" ? 1 : -1;
+			if (!aCorporateName && !bCorporateName) return 0;
+
+			return sorter === "companyName"
+				? aCorporateName.localeCompare(bCorporateName)
+				: bCorporateName.localeCompare(aCorporateName);			
+		}
+
 		return a.id.localeCompare(b.id);
 	};
 
+	const { rows: filteredRows, renderSearch } = useListSearch(
+		searchFields,
+		displayUsers,
+	)
+
 	const table = useReactTable({
-		data: displayUsers,
+		data: filteredRows,
 		columns: (!showDemographicInformation ? defaultColumns : demographicColumns) as any,
 		getCoreRowModel: getCoreRowModel(),
 	});
@@ -454,6 +502,66 @@ export default function UserList({user, filter}: {user: User; filter?: (user: Us
 						<div className="w-full flex flex-col gap-8">
 							<UserCard
 								loggedInUser={user}
+								onViewStudents={
+									selectedUser.type === "corporate" || selectedUser.type === "teacher"
+										? () => {
+												appendUserFilters({
+													id: "view-students",
+													filter: (x: User) => x.type === "student",
+												});
+												appendUserFilters({
+													id: "belongs-to-admin",
+													filter: (x: User) =>
+														groups
+															.filter((g) => g.admin === selectedUser.id || g.participants.includes(selectedUser.id))
+															.flatMap((g) => g.participants)
+															.includes(x.id),
+												});
+
+												router.push("/list/users");
+										  }
+										: undefined
+								}
+								onViewTeachers={
+									selectedUser.type === "corporate" || selectedUser.type === "student"
+										? () => {
+												appendUserFilters({
+													id: "view-teachers",
+													filter: (x: User) => x.type === "teacher",
+												});
+												appendUserFilters({
+													id: "belongs-to-admin",
+													filter: (x: User) =>
+														groups
+															.filter((g) => g.admin === selectedUser.id || g.participants.includes(selectedUser.id))
+															.flatMap((g) => g.participants)
+															.includes(x.id),
+												});
+
+												router.push("/list/users");
+										  }
+										: undefined
+								}
+								onViewCorporate={
+									selectedUser.type === "teacher" || selectedUser.type === "student"
+										? () => {
+												appendUserFilters({
+													id: "view-corporate",
+													filter: (x: User) => x.type === "corporate",
+												});
+												appendUserFilters({
+													id: "belongs-to-admin",
+													filter: (x: User) =>
+														groups
+															.filter((g) => g.participants.includes(selectedUser.id))
+															.flatMap((g) => [g.admin, ...g.participants])
+															.includes(x.id),
+												});
+
+												router.push("/list/users");
+										  }
+										: undefined
+								}
 								onClose={(shouldReload) => {
 									setSelectedUser(undefined);
 									if (shouldReload) reload();
@@ -464,30 +572,33 @@ export default function UserList({user, filter}: {user: User; filter?: (user: Us
 					)}
 				</>
 			</Modal>
-			<table className="rounded-xl bg-mti-purple-ultralight/40 w-full">
-				<thead>
-					{table.getHeaderGroups().map((headerGroup) => (
-						<tr key={headerGroup.id}>
-							{headerGroup.headers.map((header) => (
-								<th className="py-4 px-4 text-left" key={header.id}>
-									{header.isPlaceholder ? null : flexRender(header.column.columnDef.header, header.getContext())}
-								</th>
-							))}
-						</tr>
-					))}
-				</thead>
-				<tbody className="px-2">
-					{table.getRowModel().rows.map((row) => (
-						<tr className="odd:bg-white even:bg-mti-purple-ultralight/40 rounded-lg py-2" key={row.id}>
-							{row.getVisibleCells().map((cell) => (
-								<td className="px-4 py-2 items-center w-fit" key={cell.id}>
-									{flexRender(cell.column.columnDef.cell, cell.getContext())}
-								</td>
-							))}
-						</tr>
-					))}
-				</tbody>
-			</table>
+			<div className="w-full flex flex-col gap-2">
+				{renderSearch()}
+				<table className="rounded-xl bg-mti-purple-ultralight/40 w-full">
+					<thead>
+						{table.getHeaderGroups().map((headerGroup) => (
+							<tr key={headerGroup.id}>
+								{headerGroup.headers.map((header) => (
+									<th className="py-4 px-4 text-left" key={header.id}>
+										{header.isPlaceholder ? null : flexRender(header.column.columnDef.header, header.getContext())}
+									</th>
+								))}
+							</tr>
+						))}
+					</thead>
+					<tbody className="px-2">
+						{table.getRowModel().rows.map((row) => (
+							<tr className="odd:bg-white even:bg-mti-purple-ultralight/40 rounded-lg py-2" key={row.id}>
+								{row.getVisibleCells().map((cell) => (
+									<td className="px-4 py-2 items-center w-fit" key={cell.id}>
+										{flexRender(cell.column.columnDef.cell, cell.getContext())}
+									</td>
+								))}
+							</tr>
+						))}
+					</tbody>
+				</table>
+			</div>
 		</div>
 	);
 }

src/pages/(admin)/Lists/index.tsx

@@ -3,6 +3,7 @@ import {Tab} from "@headlessui/react";
 import clsx from "clsx";
 import ExamList from "./ExamList";
 import GroupList from "./GroupList";
+import PackageList from "./PackageList";
 import UserList from "./UserList";
 
 export default function Lists({user}: {user: User}) {
@@ -44,6 +45,19 @@ export default function Lists({user}: {user: User}) {
 					}>
 					Group List
 				</Tab>
+				{user && ["developer", "admin"].includes(user.type) && (
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-mti-purple-light",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-mti-purple-light focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-mti-purple-dark",
+							)
+						}>
+						Package List
+					</Tab>
+				)}
 			</Tab.List>
 			<Tab.Panels className="mt-2">
 				<Tab.Panel className="overflow-y-scroll max-h-[600px] rounded-xl scrollbar-hide">
@@ -57,6 +71,11 @@ export default function Lists({user}: {user: User}) {
 				<Tab.Panel className="overflow-y-scroll max-h-[600px] rounded-xl scrollbar-hide">
 					<GroupList user={user} />
 				</Tab.Panel>
+				{user && ["developer", "admin"].includes(user.type) && (
+					<Tab.Panel className="overflow-y-scroll max-h-[600px] rounded-xl scrollbar-hide">
+						<PackageList user={user} />
+					</Tab.Panel>
+				)}
 			</Tab.Panels>
 		</Tab.Group>
 	);

src/pages/(exam)/ExamPage.tsx

@@ -37,6 +37,7 @@ export default function ExamPage({page}: Props) {
 	const [showAbandonPopup, setShowAbandonPopup] = useState(false);
 	const [avoidRepeated, setAvoidRepeated] = useState(false);
 	const [timeSpent, setTimeSpent] = useState(0);
+	const [statsAwaitingEvaluation, setStatsAwaitingEvaluation] = useState<string[]>([]);
 
 	const [exams, setExams] = useExamStore((state) => [state.exams, state.setExams]);
 	const [userSolutions, setUserSolutions] = useExamStore((state) => [state.userSolutions, state.setUserSolutions]);
@@ -94,6 +95,7 @@ export default function ExamPage({page}: Props) {
 		if (selectedModules.length > 0 && exams.length !== 0 && moduleIndex >= selectedModules.length && !hasBeenUploaded && !showSolutions) {
 			const newStats: Stat[] = userSolutions.map((solution) => ({
 				...solution,
+				id: solution.id || uuidv4(),
 				timeSpent,
 				session: sessionId,
 				exam: solution.exam!,
@@ -111,6 +113,41 @@ export default function ExamPage({page}: Props) {
 		// eslint-disable-next-line react-hooks/exhaustive-deps
 	}, [selectedModules, moduleIndex, hasBeenUploaded]);
 
+	useEffect(() => {
+		if (statsAwaitingEvaluation.length === 0) return setIsEvaluationLoading(false);
+		return setIsEvaluationLoading(true);
+	}, [statsAwaitingEvaluation]);
+
+	useEffect(() => {
+		if (statsAwaitingEvaluation.length > 0) {
+			statsAwaitingEvaluation.forEach(checkIfStatHasBeenEvaluated);
+		}
+		// eslint-disable-next-line react-hooks/exhaustive-deps
+	}, [statsAwaitingEvaluation]);
+
+	const checkIfStatHasBeenEvaluated = (id: string) => {
+		setTimeout(async () => {
+			const statRequest = await axios.get<Stat>(`/api/stats/${id}`);
+			const stat = statRequest.data;
+			if (stat.solutions.every((x) => x.evaluation !== null)) {
+				const userSolution: UserSolution = {
+					id,
+					exercise: stat.exercise,
+					score: stat.score,
+					solutions: stat.solutions,
+					type: stat.type,
+					exam: stat.exam,
+					module: stat.module,
+				};
+
+				setUserSolutions(userSolutions.map((x) => (x.exercise === userSolution.exercise ? userSolution : x)));
+				return setStatsAwaitingEvaluation((prev) => prev.filter((x) => x !== id));
+			}
+
+			return checkIfStatHasBeenEvaluated(id);
+		}, 5 * 1000);
+	};
+
 	const updateExamWithUserSolutions = (exam: Exam): Exam => {
 		if (exam.module === "reading" || exam.module === "listening") {
 			const parts = exam.parts.map((p) =>
@@ -137,20 +174,19 @@ export default function ExamPage({page}: Props) {
 
 			Promise.all(
 				exam.exercises.map(async (exercise) => {
-					if (exercise.type === "writing") {
-						return await evaluateWritingAnswer(exercise, solutions.find((x) => x.exercise === exercise.id)!);
-					}
+					const evaluationID = uuidv4();
+					if (exercise.type === "writing")
+						return await evaluateWritingAnswer(exercise, solutions.find((x) => x.exercise === exercise.id)!, evaluationID);
 
-					if (exercise.type === "interactiveSpeaking" || exercise.type === "speaking") {
-						return await evaluateSpeakingAnswer(exercise, solutions.find((x) => x.exercise === exercise.id)!);
-					}
+					if (exercise.type === "interactiveSpeaking" || exercise.type === "speaking")
+						return await evaluateSpeakingAnswer(exercise, solutions.find((x) => x.exercise === exercise.id)!, evaluationID);
 				}),
 			)
 				.then((responses) => {
+					setStatsAwaitingEvaluation((prev) => [...prev, ...responses.filter((x) => !!x).map((r) => (r as any).id)]);
 					setUserSolutions([...userSolutions, ...responses.filter((x) => !!x)] as any);
 				})
 				.finally(() => {
-					setIsEvaluationLoading(false);
 					setHasBeenUploaded(false);
 				});
 		}
@@ -259,15 +295,6 @@ export default function ExamPage({page}: Props) {
 
 	return (
 		<>
-			<Head>
-				<title>{capitalize(page).toString()} | EnCoach</title>
-				<meta
-					name="description"
-					content="A training platform for the IELTS exam provided by the Muscat Training Institute and developed by eCrop."
-				/>
-				<meta name="viewport" content="width=device-width, initial-scale=1" />
-				<link rel="icon" href="/favicon.ico" />
-			</Head>
 			<ToastContainer />
 			{user && (
 				<Layout

src/pages/(generation)/LevelGeneration.tsx

@@ -0,0 +1,210 @@
+import {LevelExam, MultipleChoiceExercise} from "@/interfaces/exam";
+import useExamStore from "@/stores/examStore";
+import {getExamById} from "@/utils/exams";
+import {playSound} from "@/utils/sound";
+import {Tab} from "@headlessui/react";
+import axios from "axios";
+import clsx from "clsx";
+import {useRouter} from "next/router";
+import {useState} from "react";
+import {BsArrowRepeat} from "react-icons/bs";
+import {toast} from "react-toastify";
+import {v4} from "uuid";
+
+const TaskTab = ({exam, setExam}: {exam?: LevelExam; setExam: (exam: LevelExam) => void}) => {
+	const [isLoading, setIsLoading] = useState(false);
+
+	const generate = () => {
+		setIsLoading(true);
+		axios
+			.get(`/api/exam/level/generate/level`)
+			.then((result) => {
+				playSound("check");
+				console.log(result.data);
+				setExam(result.data);
+			})
+			.catch((error) => {
+				console.log(error);
+				toast.error("Something went wrong!");
+			})
+			.finally(() => setIsLoading(false));
+	};
+
+	return (
+		<Tab.Panel className="w-full bg-ielts-level/20 min-h-[600px] h-full rounded-xl p-6 flex flex-col gap-4">
+			<div className="flex gap-4 items-end">
+				<button
+					onClick={generate}
+					disabled={isLoading}
+					className={clsx(
+						"bg-ielts-level/70 border border-ielts-level text-white w-full px-6 py-6 rounded-xl h-[70px]",
+						"hover:bg-ielts-level disabled:bg-ielts-level/40 disabled:cursor-not-allowed",
+						"transition ease-in-out duration-300",
+					)}>
+					{isLoading ? (
+						<div className="flex items-center justify-center">
+							<BsArrowRepeat className="text-white animate-spin" size={25} />
+						</div>
+					) : (
+						"Generate"
+					)}
+				</button>
+			</div>
+			{isLoading && (
+				<div className="w-fit h-fit mt-12 self-center animate-pulse flex flex-col gap-8 items-center">
+					<span className={clsx("loading loading-infinity w-32 text-ielts-level")} />
+					<span className={clsx("font-bold text-2xl text-ielts-level")}>Generating...</span>
+				</div>
+			)}
+			{exam && (
+				<div className="flex flex-col gap-2 w-full overflow-y-scroll scrollbar-hide h-full">
+					{exam.exercises
+						.filter((x) => x.type === "multipleChoice")
+						.map((ex) => {
+							const exercise = ex as MultipleChoiceExercise;
+
+							return (
+								<div key={ex.id} className="w-full h-full flex flex-col gap-2">
+									<div className="flex gap-2">
+										<span className="text-xl font-semibold">Multiple Choice</span>
+										<span className="rounded-xl bg-white border border-ielts-level p-1 px-4 w-fit">
+											{exercise.questions.length} questions
+										</span>
+									</div>
+									<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
+										{exercise.questions.map((question) => (
+											<div key={question.id} className="flex flex-col gap-1">
+												<span className="font-semibold">
+													{question.id}. {question.prompt}
+												</span>
+												<span>
+													<span className="font-semibold text-ielts-level">({question.solution})</span>{" "}
+													{question.options.find((o) => o.id === question.solution)?.text}
+												</span>
+											</div>
+										))}
+									</div>
+								</div>
+							);
+						})}
+				</div>
+			)}
+		</Tab.Panel>
+	);
+};
+
+const LevelGeneration = () => {
+	const [generatedExam, setGeneratedExam] = useState<LevelExam>();
+	const [isLoading, setIsLoading] = useState(false);
+	const [resultingExam, setResultingExam] = useState<LevelExam>();
+
+	const router = useRouter();
+
+	const setExams = useExamStore((state) => state.setExams);
+	const setSelectedModules = useExamStore((state) => state.setSelectedModules);
+
+	const loadExam = async (examId: string) => {
+		const exam = await getExamById("level", examId.trim());
+		if (!exam) {
+			toast.error("Unknown Exam ID! Please make sure you selected the right module and entered the right exam ID", {
+				toastId: "invalid-exam-id",
+			});
+
+			return;
+		}
+
+		setExams([exam]);
+		setSelectedModules(["level"]);
+
+		router.push("/exercises");
+	};
+
+	const submitExam = () => {
+		if (!generatedExam) {
+			toast.error("Please generate all tasks before submitting");
+			return;
+		}
+
+		setIsLoading(true);
+		const exam: LevelExam = {
+			...generatedExam,
+			isDiagnostic: false,
+			minTimer: 25,
+			module: "level",
+			id: v4(),
+		};
+
+		axios
+			.post(`/api/exam/level`, exam)
+			.then((result) => {
+				playSound("sent");
+				console.log(`Generated Exam ID: ${result.data.id}`);
+				toast.success("This new exam has been generated successfully! Check the ID in our browser's console.");
+				setResultingExam(result.data);
+
+				setGeneratedExam(undefined);
+			})
+			.catch((error) => {
+				console.log(error);
+				toast.error("Something went wrong while generating, please try again later.");
+			})
+			.finally(() => setIsLoading(false));
+	};
+
+	return (
+		<>
+			<Tab.Group>
+				<Tab.List className="flex space-x-1 rounded-xl bg-ielts-level/20 p-1">
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-level/70",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-level focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-level",
+							)
+						}>
+						Exam
+					</Tab>
+				</Tab.List>
+				<Tab.Panels>
+					<TaskTab exam={generatedExam} setExam={setGeneratedExam} />
+				</Tab.Panels>
+			</Tab.Group>
+			<div className="w-full flex justify-end gap-4">
+				{resultingExam && (
+					<button
+						disabled={isLoading}
+						onClick={() => loadExam(resultingExam.id)}
+						className={clsx(
+							"bg-white border border-ielts-level text-ielts-level w-full max-w-[200px] rounded-xl h-[70px] self-end",
+							"hover:bg-ielts-level hover:text-white disabled:bg-ielts-level/40 disabled:cursor-not-allowed",
+							"transition ease-in-out duration-300",
+						)}>
+						Perform Exam
+					</button>
+				)}
+				<button
+					disabled={!generatedExam || isLoading}
+					data-tip="Please generate all three passages"
+					onClick={submitExam}
+					className={clsx(
+						"bg-ielts-level/70 border border-ielts-level text-white w-full max-w-[200px] rounded-xl h-[70px] self-end",
+						"hover:bg-ielts-level disabled:bg-ielts-level/40 disabled:cursor-not-allowed",
+						"transition ease-in-out duration-300",
+						!generatedExam && "tooltip",
+					)}>
+					{isLoading ? (
+						<div className="flex items-center justify-center">
+							<BsArrowRepeat className="text-white animate-spin" size={25} />
+						</div>
+					) : (
+						"Submit"
+					)}
+				</button>
+			</div>
+		</>
+	);
+};
+
+export default LevelGeneration;

src/pages/(generation)/ListeningGeneration.tsx

@@ -0,0 +1,289 @@
+import Input from "@/components/Low/Input";
+import {Exercise, ListeningExam} from "@/interfaces/exam";
+import useExamStore from "@/stores/examStore";
+import {getExamById} from "@/utils/exams";
+import {playSound} from "@/utils/sound";
+import {convertCamelCaseToReadable} from "@/utils/string";
+import {Tab} from "@headlessui/react";
+import axios from "axios";
+import clsx from "clsx";
+import {useRouter} from "next/router";
+import {useState} from "react";
+import {BsArrowRepeat} from "react-icons/bs";
+import {toast} from "react-toastify";
+
+const PartTab = ({part, types, index, setPart}: {part?: ListeningPart; types: string[]; index: number; setPart: (part?: ListeningPart) => void}) => {
+	const [topic, setTopic] = useState("");
+	const [isLoading, setIsLoading] = useState(false);
+
+	const generate = () => {
+		const url = new URLSearchParams();
+		if (topic) url.append("topic", topic);
+		if (types) types.forEach((t) => url.append("exercises", t));
+
+		setPart(undefined);
+		setIsLoading(true);
+		axios
+			.get(`/api/exam/listening/generate/listening_section_${index}${topic || types ? `?${url.toString()}` : ""}`)
+			.then((result) => {
+				playSound("check");
+				setPart(result.data);
+			})
+			.catch((error) => {
+				console.log(error);
+				toast.error("Something went wrong!");
+			})
+			.finally(() => setIsLoading(false));
+	};
+
+	return (
+		<Tab.Panel className="w-full bg-ielts-listening/20 min-h-[600px] h-full rounded-xl p-6 flex flex-col gap-4">
+			<div className="flex gap-4 items-end">
+				<Input type="text" placeholder="Grand Canyon..." name="topic" label="Topic" onChange={setTopic} roundness="xl" defaultValue={topic} />
+				<button
+					onClick={generate}
+					disabled={isLoading}
+					data-tip="The passage is currently being generated"
+					className={clsx(
+						"bg-ielts-listening/70 border border-ielts-listening text-white w-full max-w-[200px] rounded-xl h-[70px]",
+						"hover:bg-ielts-listening disabled:bg-ielts-listening/40 disabled:cursor-not-allowed",
+						"transition ease-in-out duration-300",
+						isLoading && "tooltip",
+					)}>
+					{isLoading ? (
+						<div className="flex items-center justify-center">
+							<BsArrowRepeat className="text-white animate-spin" size={25} />
+						</div>
+					) : (
+						"Generate"
+					)}
+				</button>
+			</div>
+			{isLoading && (
+				<div className="w-fit h-fit mt-12 self-center animate-pulse flex flex-col gap-8 items-center">
+					<span className={clsx("loading loading-infinity w-32 text-ielts-listening")} />
+					<span className={clsx("font-bold text-2xl text-ielts-listening")}>Generating...</span>
+				</div>
+			)}
+			{part && (
+				<div className="flex flex-col gap-2 w-full overflow-y-scroll scrollbar-hide">
+					<div className="flex gap-4">
+						{part.exercises.map((x) => (
+							<span className="rounded-xl bg-white border border-ielts-listening p-1 px-4" key={x.id}>
+								{x.type && convertCamelCaseToReadable(x.type)}
+							</span>
+						))}
+					</div>
+					{typeof part.text === "string" && <span className="w-full h-96">{part.text.replaceAll("\n\n", " ")}</span>}
+					{typeof part.text !== "string" && (
+						<div className="w-full h-96 flex flex-col gap-2">
+							{part.text.conversation.map((x, index) => (
+								<span key={index} className="flex gap-1">
+									<span className="font-semibold">{x.name}:</span>
+									{x.text.replaceAll("\n\n", " ")}
+								</span>
+							))}
+						</div>
+					)}
+				</div>
+			)}
+		</Tab.Panel>
+	);
+};
+
+interface ListeningPart {
+	exercises: Exercise[];
+	text:
+		| {
+				conversation: {
+					gender: string;
+					name: string;
+					text: string;
+					voice: string;
+				}[];
+		  }
+		| string;
+}
+
+const ListeningGeneration = () => {
+	const [part1, setPart1] = useState<ListeningPart>();
+	const [part2, setPart2] = useState<ListeningPart>();
+	const [part3, setPart3] = useState<ListeningPart>();
+	const [part4, setPart4] = useState<ListeningPart>();
+	const [isLoading, setIsLoading] = useState(false);
+	const [resultingExam, setResultingExam] = useState<ListeningExam>();
+	const [types, setTypes] = useState<string[]>([]);
+
+	const availableTypes = [
+		{type: "multipleChoice", label: "Multiple Choice"},
+		{type: "writeBlanksQuestions", label: "Write the Blanks: Questions"},
+		{type: "writeBlanksFill", label: "Write the Blanks: Fill"},
+		{type: "writeBlanksForm", label: "Write the Blanks: Form"},
+	];
+
+	const router = useRouter();
+
+	const setExams = useExamStore((state) => state.setExams);
+	const setSelectedModules = useExamStore((state) => state.setSelectedModules);
+
+	const toggleType = (type: string) => setTypes((prev) => (prev.includes(type) ? [...prev.filter((x) => x !== type)] : [...prev, type]));
+
+	const submitExam = () => {
+		if (!part1 || !part2 || !part3 || !part4) return toast.error("Please generate all for sections!");
+
+		setIsLoading(true);
+
+		axios
+			.post(`/api/exam/listening/generate/listening`, {parts: [part1, part2, part3, part4]})
+			.then((result) => {
+				playSound("sent");
+				console.log(`Generated Exam ID: ${result.data.id}`);
+				toast.success("This new exam has been generated successfully! Check the ID in our browser's console.");
+				setResultingExam(result.data);
+
+				setPart1(undefined);
+				setPart2(undefined);
+				setPart3(undefined);
+				setPart4(undefined);
+				setTypes([]);
+			})
+			.catch((error) => {
+				console.log(error);
+				toast.error("Something went wrong!");
+			})
+			.finally(() => setIsLoading(false));
+	};
+
+	const loadExam = async (examId: string) => {
+		const exam = await getExamById("listening", examId.trim());
+		if (!exam) {
+			toast.error("Unknown Exam ID! Please make sure you selected the right module and entered the right exam ID", {
+				toastId: "invalid-exam-id",
+			});
+
+			return;
+		}
+
+		setExams([exam]);
+		setSelectedModules(["listening"]);
+
+		router.push("/exercises");
+	};
+
+	return (
+		<>
+			<div className="flex flex-col gap-3">
+				<label className="font-normal text-base text-mti-gray-dim">Exercises</label>
+				<div className="flex flex-row -2xl:flex-wrap w-full gap-4 -md:justify-center justify-between">
+					{availableTypes.map((x) => (
+						<span
+							onClick={() => toggleType(x.type)}
+							key={x.type}
+							className={clsx(
+								"px-6 py-4 w-64 flex justify-center text-sm font-normal rounded-full border focus:outline-none cursor-pointer",
+								"transition duration-300 ease-in-out",
+								!types.includes(x.type)
+									? "bg-white border-mti-gray-platinum"
+									: "bg-ielts-listening/70 border-ielts-listening text-white",
+							)}>
+							{x.label}
+						</span>
+					))}
+				</div>
+			</div>
+
+			<Tab.Group>
+				<Tab.List className="flex space-x-1 rounded-xl bg-ielts-listening/20 p-1">
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-listening/70",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-listening focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-listening",
+							)
+						}>
+						Section 1
+					</Tab>
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-listening/70",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-listening focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-listening",
+							)
+						}>
+						Section 2
+					</Tab>
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-listening/70",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-listening focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-listening",
+							)
+						}>
+						Section 3
+					</Tab>
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-listening/70",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-listening focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-listening",
+							)
+						}>
+						Section 4
+					</Tab>
+				</Tab.List>
+				<Tab.Panels>
+					{[
+						{part: part1, setPart: setPart1},
+						{part: part2, setPart: setPart2},
+						{part: part3, setPart: setPart3},
+						{part: part4, setPart: setPart4},
+					].map(({part, setPart}, index) => (
+						<PartTab part={part} types={types} index={index + 1} key={index} setPart={setPart} />
+					))}
+				</Tab.Panels>
+			</Tab.Group>
+			<div className="w-full flex justify-end gap-4">
+				{resultingExam && (
+					<button
+						disabled={isLoading}
+						onClick={() => loadExam(resultingExam.id)}
+						className={clsx(
+							"bg-white border border-ielts-listening text-ielts-listening w-full max-w-[200px] rounded-xl h-[70px] self-end",
+							"hover:bg-ielts-listening hover:text-white disabled:bg-ielts-listening/40 disabled:cursor-not-allowed",
+							"transition ease-in-out duration-300",
+						)}>
+						Perform Exam
+					</button>
+				)}
+				<button
+					disabled={!part1 || !part2 || !part3 || !part4 || isLoading}
+					data-tip="Please generate all three passages"
+					onClick={submitExam}
+					className={clsx(
+						"bg-ielts-listening/70 border border-ielts-listening text-white w-full max-w-[200px] rounded-xl h-[70px] self-end",
+						"hover:bg-ielts-listening disabled:bg-ielts-listening/40 disabled:cursor-not-allowed",
+						"transition ease-in-out duration-300",
+						(!part1 || !part2 || !part3 || !part4) && "tooltip",
+					)}>
+					{isLoading ? (
+						<div className="flex items-center justify-center">
+							<BsArrowRepeat className="text-white animate-spin" size={25} />
+						</div>
+					) : (
+						"Submit"
+					)}
+				</button>
+			</div>
+		</>
+	);
+};
+
+export default ListeningGeneration;

src/pages/(generation)/ReadingGeneration.tsx

@@ -0,0 +1,262 @@
+import Input from "@/components/Low/Input";
+import {ReadingExam, ReadingPart} from "@/interfaces/exam";
+import useExamStore from "@/stores/examStore";
+import {getExamById} from "@/utils/exams";
+import {playSound} from "@/utils/sound";
+import {convertCamelCaseToReadable} from "@/utils/string";
+import {Tab} from "@headlessui/react";
+import axios from "axios";
+import clsx from "clsx";
+import {useRouter} from "next/router";
+import {useState} from "react";
+import {BsArrowRepeat} from "react-icons/bs";
+import {toast} from "react-toastify";
+import {v4} from "uuid";
+
+const PartTab = ({part, types, index, setPart}: {part?: ReadingPart; types: string[]; index: number; setPart: (part?: ReadingPart) => void}) => {
+	const [topic, setTopic] = useState("");
+	const [isLoading, setIsLoading] = useState(false);
+
+	const generate = () => {
+		const url = new URLSearchParams();
+		if (topic) url.append("topic", topic);
+		if (types) types.forEach((t) => url.append("exercises", t));
+
+		setPart(undefined);
+		setIsLoading(true);
+		axios
+			.get(`/api/exam/reading/generate/reading_passage_${index}${topic || types ? `?${url.toString()}` : ""}`)
+			.then((result) => {
+				playSound("check");
+				setPart(result.data);
+			})
+			.catch((error) => {
+				console.log(error);
+				toast.error("Something went wrong!");
+			})
+			.finally(() => setIsLoading(false));
+	};
+
+	return (
+		<Tab.Panel className="w-full bg-ielts-reading/20 min-h-[600px] h-full rounded-xl p-6 flex flex-col gap-4">
+			<div className="flex gap-4 items-end">
+				<Input type="text" placeholder="Grand Canyon..." name="topic" label="Topic" onChange={setTopic} roundness="xl" defaultValue={topic} />
+				<button
+					onClick={generate}
+					disabled={isLoading}
+					data-tip="The passage is currently being generated"
+					className={clsx(
+						"bg-ielts-reading/70 border border-ielts-reading text-white w-full max-w-[200px] rounded-xl h-[70px]",
+						"hover:bg-ielts-reading disabled:bg-ielts-reading/40 disabled:cursor-not-allowed",
+						"transition ease-in-out duration-300",
+						isLoading && "tooltip",
+					)}>
+					{isLoading ? (
+						<div className="flex items-center justify-center">
+							<BsArrowRepeat className="text-white animate-spin" size={25} />
+						</div>
+					) : (
+						"Generate"
+					)}
+				</button>
+			</div>
+			{isLoading && (
+				<div className="w-fit h-fit mt-12 self-center animate-pulse flex flex-col gap-8 items-center">
+					<span className={clsx("loading loading-infinity w-32 text-ielts-reading")} />
+					<span className={clsx("font-bold text-2xl text-ielts-reading")}>Generating...</span>
+				</div>
+			)}
+			{part && (
+				<div className="flex flex-col gap-2 w-full overflow-y-scroll scrollbar-hide">
+					<div className="flex gap-4">
+						{part.exercises.map((x) => (
+							<span className="rounded-xl bg-white border border-ielts-reading p-1 px-4" key={x.id}>
+								{x.type && convertCamelCaseToReadable(x.type)}
+							</span>
+						))}
+					</div>
+					<h3 className="text-xl font-semibold">{part.text.title}</h3>
+					<span className="w-full h-96">{part.text.content}</span>
+				</div>
+			)}
+		</Tab.Panel>
+	);
+};
+
+const ReadingGeneration = () => {
+	const [part1, setPart1] = useState<ReadingPart>();
+	const [part2, setPart2] = useState<ReadingPart>();
+	const [part3, setPart3] = useState<ReadingPart>();
+	const [types, setTypes] = useState<string[]>([]);
+	const [isLoading, setIsLoading] = useState(false);
+	const [resultingExam, setResultingExam] = useState<ReadingExam>();
+
+	const router = useRouter();
+
+	const setExams = useExamStore((state) => state.setExams);
+	const setSelectedModules = useExamStore((state) => state.setSelectedModules);
+
+	const availableTypes = [
+		{type: "fillBlanks", label: "Fill the Blanks"},
+		{type: "multipleChoice", label: "Multiple Choice"},
+		{type: "trueFalse", label: "True or False"},
+		{type: "writeBlanks", label: "Write the Blanks"},
+	];
+
+	const toggleType = (type: string) => setTypes((prev) => (prev.includes(type) ? [...prev.filter((x) => x !== type)] : [...prev, type]));
+
+	const loadExam = async (examId: string) => {
+		const exam = await getExamById("reading", examId.trim());
+		if (!exam) {
+			toast.error("Unknown Exam ID! Please make sure you selected the right module and entered the right exam ID", {
+				toastId: "invalid-exam-id",
+			});
+
+			return;
+		}
+
+		setExams([exam]);
+		setSelectedModules(["reading"]);
+
+		router.push("/exercises");
+	};
+
+	const submitExam = () => {
+		if (!part1 || !part2 || !part3) {
+			toast.error("Please generate all three passages before submitting");
+			return;
+		}
+
+		setIsLoading(true);
+		const exam: ReadingExam = {
+			parts: [part1, part2, part3],
+			isDiagnostic: false,
+			minTimer: 60,
+			module: "reading",
+			id: v4(),
+			type: "academic",
+		};
+
+		axios
+			.post(`/api/exam/reading`, exam)
+			.then((result) => {
+				playSound("sent");
+				console.log(`Generated Exam ID: ${result.data.id}`);
+				toast.success("This new exam has been generated successfully! Check the ID in our browser's console.");
+				setResultingExam(result.data);
+
+				setPart1(undefined);
+				setPart2(undefined);
+				setPart3(undefined);
+				setTypes([]);
+			})
+			.catch((error) => {
+				console.log(error);
+				toast.error("Something went wrong while generating, please try again later.");
+			})
+			.finally(() => setIsLoading(false));
+	};
+
+	return (
+		<>
+			<div className="flex flex-col gap-3">
+				<label className="font-normal text-base text-mti-gray-dim">Exercises</label>
+				<div className="flex flex-row -2xl:flex-wrap w-full gap-4 -md:justify-center justify-between">
+					{availableTypes.map((x) => (
+						<span
+							onClick={() => toggleType(x.type)}
+							key={x.type}
+							className={clsx(
+								"px-6 py-4 w-64 flex justify-center text-sm font-normal rounded-full border focus:outline-none cursor-pointer",
+								"transition duration-300 ease-in-out",
+								!types.includes(x.type) ? "bg-white border-mti-gray-platinum" : "bg-ielts-reading/70 border-ielts-reading text-white",
+							)}>
+							{x.label}
+						</span>
+					))}
+				</div>
+			</div>
+
+			<Tab.Group>
+				<Tab.List className="flex space-x-1 rounded-xl bg-ielts-reading/20 p-1">
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-reading/70",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-reading focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-reading",
+							)
+						}>
+						Passage 1
+					</Tab>
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-reading/70",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-reading focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-reading",
+							)
+						}>
+						Passage 2
+					</Tab>
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-reading/70",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-reading focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-reading",
+							)
+						}>
+						Passage 3
+					</Tab>
+				</Tab.List>
+				<Tab.Panels>
+					{[
+						{part: part1, setPart: setPart1},
+						{part: part2, setPart: setPart2},
+						{part: part3, setPart: setPart3},
+					].map(({part, setPart}, index) => (
+						<PartTab part={part} types={types} index={index + 1} key={index} setPart={setPart} />
+					))}
+				</Tab.Panels>
+			</Tab.Group>
+			<div className="w-full flex justify-end gap-4">
+				{resultingExam && (
+					<button
+						disabled={isLoading}
+						onClick={() => loadExam(resultingExam.id)}
+						className={clsx(
+							"bg-white border border-ielts-reading text-ielts-reading w-full max-w-[200px] rounded-xl h-[70px] self-end",
+							"hover:bg-ielts-reading hover:text-white disabled:bg-ielts-reading/40 disabled:cursor-not-allowed",
+							"transition ease-in-out duration-300",
+						)}>
+						Perform Exam
+					</button>
+				)}
+				<button
+					disabled={!part1 || !part2 || !part3 || isLoading}
+					data-tip="Please generate all three passages"
+					onClick={submitExam}
+					className={clsx(
+						"bg-ielts-reading/70 border border-ielts-reading text-white w-full max-w-[200px] rounded-xl h-[70px] self-end",
+						"hover:bg-ielts-reading disabled:bg-ielts-reading/40 disabled:cursor-not-allowed",
+						"transition ease-in-out duration-300",
+						(!part1 || !part2 || !part3) && "tooltip",
+					)}>
+					{isLoading ? (
+						<div className="flex items-center justify-center">
+							<BsArrowRepeat className="text-white animate-spin" size={25} />
+						</div>
+					) : (
+						"Submit"
+					)}
+				</button>
+			</div>
+		</>
+	);
+};
+
+export default ReadingGeneration;

src/pages/(generation)/SpeakingGeneration.tsx

@@ -0,0 +1,234 @@
+import Input from "@/components/Low/Input";
+import {Exercise, SpeakingExam} from "@/interfaces/exam";
+import useExamStore from "@/stores/examStore";
+import {getExamById} from "@/utils/exams";
+import {playSound} from "@/utils/sound";
+import {convertCamelCaseToReadable} from "@/utils/string";
+import {Tab} from "@headlessui/react";
+import axios from "axios";
+import clsx from "clsx";
+import {useRouter} from "next/router";
+import {useState} from "react";
+import {BsArrowRepeat} from "react-icons/bs";
+import {toast} from "react-toastify";
+
+const PartTab = ({part, index, setPart}: {part?: SpeakingPart; index: number; setPart: (part?: SpeakingPart) => void}) => {
+	const [isLoading, setIsLoading] = useState(false);
+
+	const generate = () => {
+		setPart(undefined);
+		setIsLoading(true);
+		axios
+			.get(`/api/exam/speaking/generate/speaking_task_${index}`)
+			.then((result) => {
+				playSound("check");
+				setPart(result.data);
+			})
+			.catch((error) => {
+				console.log(error);
+				toast.error("Something went wrong!");
+			})
+			.finally(() => setIsLoading(false));
+	};
+
+	return (
+		<Tab.Panel className="w-full bg-ielts-speaking/20 min-h-[600px] h-full rounded-xl p-6 flex flex-col gap-4">
+			<div className="flex gap-4 items-end">
+				<button
+					onClick={generate}
+					disabled={isLoading}
+					data-tip="The passage is currently being generated"
+					className={clsx(
+						"bg-ielts-speaking/70 border border-ielts-speaking text-white w-full rounded-xl h-[70px]",
+						"hover:bg-ielts-speaking disabled:bg-ielts-speaking/40 disabled:cursor-not-allowed",
+						"transition ease-in-out duration-300",
+						isLoading && "tooltip",
+					)}>
+					{isLoading ? (
+						<div className="flex items-center justify-center">
+							<BsArrowRepeat className="text-white animate-spin" size={25} />
+						</div>
+					) : (
+						"Generate"
+					)}
+				</button>
+			</div>
+			{isLoading && (
+				<div className="w-fit h-fit mt-12 self-center animate-pulse flex flex-col gap-8 items-center">
+					<span className={clsx("loading loading-infinity w-32 text-ielts-speaking")} />
+					<span className={clsx("font-bold text-2xl text-ielts-speaking")}>Generating...</span>
+				</div>
+			)}
+			{part && (
+				<div className="flex flex-col gap-2 w-full overflow-y-scroll scrollbar-hide h-96">
+					<h3 className="text-xl font-semibold">{part.topic}</h3>
+					{part.question && <span className="w-full">{part.question}</span>}
+					{part.questions && (
+						<div className="flex flex-col gap-1">
+							{part.questions.map((question, index) => (
+								<span className="w-full" key={index}>
+									- {question}
+								</span>
+							))}
+						</div>
+					)}
+					{part.prompts && (
+						<div className="flex flex-col gap-1">
+							<span className="font-medium">You should talk about the following things:</span>
+							{part.prompts.map((prompt, index) => (
+								<span className="w-full" key={index}>
+									- {prompt}
+								</span>
+							))}
+						</div>
+					)}
+				</div>
+			)}
+		</Tab.Panel>
+	);
+};
+
+interface SpeakingPart {
+	prompts?: string[];
+	question?: string;
+	questions?: string[];
+	topic: string;
+}
+
+const SpeakingGeneration = () => {
+	const [part1, setPart1] = useState<SpeakingPart>();
+	const [part2, setPart2] = useState<SpeakingPart>();
+	const [part3, setPart3] = useState<SpeakingPart>();
+	const [isLoading, setIsLoading] = useState(false);
+	const [resultingExam, setResultingExam] = useState<SpeakingExam>();
+
+	const router = useRouter();
+
+	const setExams = useExamStore((state) => state.setExams);
+	const setSelectedModules = useExamStore((state) => state.setSelectedModules);
+
+	const submitExam = () => {
+		if (!part1 || !part2 || !part3) return toast.error("Please generate all for tasks!");
+
+		setIsLoading(true);
+
+		axios
+			.post(`/api/exam/speaking/generate/speaking`, {exercises: [part1, part2, part3]})
+			.then((result) => {
+				playSound("sent");
+				console.log(`Generated Exam ID: ${result.data.id}`);
+				toast.success("This new exam has been generated successfully! Check the ID in our browser's console.");
+				setResultingExam(result.data);
+
+				setPart1(undefined);
+				setPart2(undefined);
+				setPart3(undefined);
+			})
+			.catch((error) => {
+				console.log(error);
+				toast.error("Something went wrong!");
+			})
+			.finally(() => setIsLoading(false));
+	};
+
+	const loadExam = async (examId: string) => {
+		const exam = await getExamById("speaking", examId.trim());
+		if (!exam) {
+			toast.error("Unknown Exam ID! Please make sure you selected the right module and entered the right exam ID", {
+				toastId: "invalid-exam-id",
+			});
+
+			return;
+		}
+
+		setExams([exam]);
+		setSelectedModules(["speaking"]);
+
+		router.push("/exercises");
+	};
+
+	return (
+		<>
+			<Tab.Group>
+				<Tab.List className="flex space-x-1 rounded-xl bg-ielts-speaking/20 p-1">
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-speaking/70",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-speaking focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-speaking",
+							)
+						}>
+						Task 1
+					</Tab>
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-speaking/70",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-speaking focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-speaking",
+							)
+						}>
+						Task 2
+					</Tab>
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-speaking/70",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-speaking focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-speaking",
+							)
+						}>
+						Task 3
+					</Tab>
+				</Tab.List>
+				<Tab.Panels>
+					{[
+						{part: part1, setPart: setPart1},
+						{part: part2, setPart: setPart2},
+						{part: part3, setPart: setPart3},
+					].map(({part, setPart}, index) => (
+						<PartTab part={part} index={index + 1} key={index} setPart={setPart} />
+					))}
+				</Tab.Panels>
+			</Tab.Group>
+			<div className="w-full flex justify-end gap-4">
+				{resultingExam && (
+					<button
+						disabled={isLoading}
+						onClick={() => loadExam(resultingExam.id)}
+						className={clsx(
+							"bg-white border border-ielts-speaking text-ielts-speaking w-full max-w-[200px] rounded-xl h-[70px] self-end",
+							"hover:bg-ielts-speaking hover:text-white disabled:bg-ielts-speaking/40 disabled:cursor-not-allowed",
+							"transition ease-in-out duration-300",
+						)}>
+						Perform Exam
+					</button>
+				)}
+				<button
+					disabled={!part1 || !part2 || !part3 || isLoading}
+					data-tip="Please generate all three passages"
+					onClick={submitExam}
+					className={clsx(
+						"bg-ielts-speaking/70 border border-ielts-speaking text-white w-full max-w-[200px] rounded-xl h-[70px] self-end",
+						"hover:bg-ielts-speaking disabled:bg-ielts-speaking/40 disabled:cursor-not-allowed",
+						"transition ease-in-out duration-300",
+						(!part1 || !part2 || !part3) && "tooltip",
+					)}>
+					{isLoading ? (
+						<div className="flex items-center justify-center">
+							<BsArrowRepeat className="text-white animate-spin" size={25} />
+						</div>
+					) : (
+						"Submit"
+					)}
+				</button>
+			</div>
+		</>
+	);
+};
+
+export default SpeakingGeneration;

src/pages/(generation)/WritingGeneration.tsx

@@ -0,0 +1,225 @@
+import Input from "@/components/Low/Input";
+import {WritingExam} from "@/interfaces/exam";
+import useExamStore from "@/stores/examStore";
+import {getExamById} from "@/utils/exams";
+import {playSound} from "@/utils/sound";
+import {Tab} from "@headlessui/react";
+import axios from "axios";
+import clsx from "clsx";
+import {useRouter} from "next/router";
+import {useState} from "react";
+import {BsArrowRepeat} from "react-icons/bs";
+import {toast} from "react-toastify";
+import {v4} from "uuid";
+
+const TaskTab = ({task, index, setTask}: {task?: string; index: number; setTask: (task: string) => void}) => {
+	const [isLoading, setIsLoading] = useState(false);
+
+	const generate = () => {
+		setIsLoading(true);
+		axios
+			.get(`/api/exam/writing/generate/writing_task${index}_general`)
+			.then((result) => {
+				playSound("check");
+				setTask(result.data.question);
+			})
+			.catch((error) => {
+				console.log(error);
+				toast.error("Something went wrong!");
+			})
+			.finally(() => setIsLoading(false));
+	};
+
+	return (
+		<Tab.Panel className="w-full bg-ielts-writing/20 min-h-[600px] h-full rounded-xl p-6 flex flex-col gap-4">
+			<div className="flex gap-4 items-end">
+				<button
+					onClick={generate}
+					disabled={isLoading}
+					className={clsx(
+						"bg-ielts-writing/70 border border-ielts-writing text-white w-full px-6 py-6 rounded-xl h-[70px]",
+						"hover:bg-ielts-writing disabled:bg-ielts-writing/40 disabled:cursor-not-allowed",
+						"transition ease-in-out duration-300",
+					)}>
+					{isLoading ? (
+						<div className="flex items-center justify-center">
+							<BsArrowRepeat className="text-white animate-spin" size={25} />
+						</div>
+					) : (
+						"Generate"
+					)}
+				</button>
+			</div>
+			{isLoading && (
+				<div className="w-fit h-fit mt-12 self-center animate-pulse flex flex-col gap-8 items-center">
+					<span className={clsx("loading loading-infinity w-32 text-ielts-writing")} />
+					<span className={clsx("font-bold text-2xl text-ielts-writing")}>Generating...</span>
+				</div>
+			)}
+			{task && (
+				<div className="flex flex-col gap-2 w-full overflow-y-scroll scrollbar-hide">
+					<span className="w-full h-96">{task}</span>
+				</div>
+			)}
+		</Tab.Panel>
+	);
+};
+
+const WritingGeneration = () => {
+	const [task1, setTask1] = useState<string>();
+	const [task2, setTask2] = useState<string>();
+	const [isLoading, setIsLoading] = useState(false);
+	const [resultingExam, setResultingExam] = useState<WritingExam>();
+
+	const router = useRouter();
+
+	const setExams = useExamStore((state) => state.setExams);
+	const setSelectedModules = useExamStore((state) => state.setSelectedModules);
+
+	const loadExam = async (examId: string) => {
+		const exam = await getExamById("writing", examId.trim());
+		if (!exam) {
+			toast.error("Unknown Exam ID! Please make sure you selected the right module and entered the right exam ID", {
+				toastId: "invalid-exam-id",
+			});
+
+			return;
+		}
+
+		setExams([exam]);
+		setSelectedModules(["writing"]);
+
+		router.push("/exercises");
+	};
+
+	const submitExam = () => {
+		if (!task1 || !task2) {
+			toast.error("Please generate all tasks before submitting");
+			return;
+		}
+
+		setIsLoading(true);
+		const exam: WritingExam = {
+			isDiagnostic: false,
+			minTimer: 60,
+			module: "writing",
+			exercises: [
+				{
+					id: v4(),
+					type: "writing",
+					prefix: `You should spend about 20 minutes on this task.`,
+					prompt: task1,
+					userSolutions: [],
+					suffix: "You should write at least 150 words.",
+					wordCounter: {
+						limit: 150,
+						type: "min",
+					},
+				},
+				{
+					id: v4(),
+					type: "writing",
+					prefix: `You should spend about 40 minutes on this task.`,
+					prompt: task2,
+					userSolutions: [],
+					suffix: "You should write at least 250 words.",
+					wordCounter: {
+						limit: 250,
+						type: "min",
+					},
+				},
+			],
+			id: v4(),
+		};
+
+		axios
+			.post(`/api/exam/writing`, exam)
+			.then((result) => {
+				console.log(`Generated Exam ID: ${result.data.id}`);
+				playSound("sent");
+				toast.success("This new exam has been generated successfully! Check the ID in our browser's console.");
+				setResultingExam(result.data);
+
+				setTask1(undefined);
+				setTask2(undefined);
+			})
+			.catch((error) => {
+				console.log(error);
+				toast.error("Something went wrong while generating, please try again later.");
+			})
+			.finally(() => setIsLoading(false));
+	};
+
+	return (
+		<>
+			<Tab.Group>
+				<Tab.List className="flex space-x-1 rounded-xl bg-ielts-writing/20 p-1">
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-writing/70",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-writing focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-writing",
+							)
+						}>
+						Task 1
+					</Tab>
+					<Tab
+						className={({selected}) =>
+							clsx(
+								"w-full rounded-lg py-2.5 text-sm font-medium leading-5 text-ielts-writing/70",
+								"ring-white ring-opacity-60 ring-offset-2 ring-offset-ielts-writing focus:outline-none focus:ring-2",
+								"transition duration-300 ease-in-out",
+								selected ? "bg-white shadow" : "text-blue-100 hover:bg-white/[0.12] hover:text-ielts-writing",
+							)
+						}>
+						Task 2
+					</Tab>
+				</Tab.List>
+				<Tab.Panels>
+					{[
+						{task: task1, setTask: setTask1},
+						{task: task2, setTask: setTask2},
+					].map(({task, setTask}, index) => (
+						<TaskTab task={task} index={index + 1} key={index} setTask={setTask} />
+					))}
+				</Tab.Panels>
+			</Tab.Group>
+			<div className="w-full flex justify-end gap-4">
+				{resultingExam && (
+					<button
+						disabled={isLoading}
+						onClick={() => loadExam(resultingExam.id)}
+						className={clsx(
+							"bg-white border border-ielts-writing text-ielts-writing w-full max-w-[200px] rounded-xl h-[70px] self-end",
+							"hover:bg-ielts-writing hover:text-white disabled:bg-ielts-writing/40 disabled:cursor-not-allowed",
+							"transition ease-in-out duration-300",
+						)}>
+						Perform Exam
+					</button>
+				)}
+				<button
+					disabled={!task1 || !task2 || isLoading}
+					data-tip="Please generate all three passages"
+					onClick={submitExam}
+					className={clsx(
+						"bg-ielts-writing/70 border border-ielts-writing text-white w-full max-w-[200px] rounded-xl h-[70px] self-end",
+						"hover:bg-ielts-writing disabled:bg-ielts-writing/40 disabled:cursor-not-allowed",
+						"transition ease-in-out duration-300",
+						(!task1 || !task2) && "tooltip",
+					)}>
+					{isLoading ? (
+						<div className="flex items-center justify-center">
+							<BsArrowRepeat className="text-white animate-spin" size={25} />
+						</div>
+					) : (
+						"Submit"
+					)}
+				</button>
+			</div>
+		</>
+	);
+};
+
+export default WritingGeneration;

src/pages/(register)/RegisterCorporate.tsx

@@ -61,15 +61,14 @@ export default function RegisterCorporate({isLoading, setIsLoading, mutateUser,
 				password,
 				type: "corporate",
 				profilePicture: "/defaultAvatar.png",
-				subscriptionExpirationDate: moment().add(1, "days").add(subscriptionDuration, "months").toISOString(),
+				subscriptionExpirationDate: moment().subtract(1, "days").toISOString(),
 				corporateInformation: {
 					companyInformation: {
 						name: companyName,
 						userAmount: companyUsers,
 					},
-					referralAgent,
-					allowedUserAmount: companyUsers,
 					monthlyDuration: subscriptionDuration,
+					referralAgent,
 				},
 			})
 			.then((response) => {
@@ -126,8 +125,8 @@ export default function RegisterCorporate({isLoading, setIsLoading, mutateUser,
 					type="text"
 					name="companyName"
 					onChange={(e) => setCompanyName(e)}
-					placeholder="Institution name"
-					label="Institution name"
+					placeholder="Corporate name"
+					label="Corporate name"
 					defaultValue={companyName}
 					required
 				/>
@@ -135,7 +134,7 @@ export default function RegisterCorporate({isLoading, setIsLoading, mutateUser,
 					type="number"
 					name="companyUsers"
 					onChange={(e) => setCompanyUsers(parseInt(e))}
-					label="Amount of users"
+					label="Number of users"
 					defaultValue={companyUsers}
 					required
 				/>

src/pages/(register)/RegisterIndividual.tsx

@@ -1,26 +1,29 @@
 import Button from "@/components/Low/Button";
+import Checkbox from "@/components/Low/Checkbox";
 import Input from "@/components/Low/Input";
 import {User} from "@/interfaces/user";
 import {sendEmailVerification} from "@/utils/email";
 import axios from "axios";
-import {useState} from "react";
+import {useEffect, useState} from "react";
 import {toast} from "react-toastify";
 import {KeyedMutator} from "swr";
 
 interface Props {
 	queryCode?: string;
+	defaultEmail?: string;
 	isLoading: boolean;
 	setIsLoading: (isLoading: boolean) => void;
 	mutateUser: KeyedMutator<User>;
 	sendEmailVerification: typeof sendEmailVerification;
 }
 
-export default function RegisterIndividual({queryCode, isLoading, setIsLoading, mutateUser, sendEmailVerification}: Props) {
+export default function RegisterIndividual({queryCode, defaultEmail, isLoading, setIsLoading, mutateUser, sendEmailVerification}: Props) {
 	const [name, setName] = useState("");
-	const [email, setEmail] = useState("");
+	const [email, setEmail] = useState(defaultEmail || "");
 	const [password, setPassword] = useState("");
 	const [confirmPassword, setConfirmPassword] = useState("");
 	const [code, setCode] = useState(queryCode || "");
+	const [hasCode, setHasCode] = useState<boolean>(!!queryCode);
 
 	const onSuccess = () => toast.success("An e-mail has been sent, please make sure to check your spam folder!");
 
@@ -71,7 +74,15 @@ export default function RegisterIndividual({queryCode, isLoading, setIsLoading,
 	return (
 		<form className="flex flex-col items-center gap-6 w-full" onSubmit={register}>
 			<Input type="text" name="name" onChange={(e) => setName(e)} placeholder="Enter your name" defaultValue={name} required />
-			<Input type="email" name="email" onChange={(e) => setEmail(e)} placeholder="Enter email address" defaultValue={email} required />
+			<Input
+				type="email"
+				name="email"
+				onChange={(e) => setEmail(e)}
+				placeholder="Enter email address"
+				value={email}
+				disabled={!!defaultEmail}
+				required
+			/>
 			<Input
 				type="password"
 				name="password"
@@ -88,12 +99,27 @@ export default function RegisterIndividual({queryCode, isLoading, setIsLoading,
 				defaultValue={confirmPassword}
 				required
 			/>
-			<Input type="text" name="code" onChange={(e) => setCode(e)} placeholder="Enter your registration code" defaultValue={code} required />
+
+			{/** TODO: Add a checkbox to disable code */}
+			<div className="flex flex-col gap-4 w-full items-start">
+				<Checkbox isChecked={hasCode} onChange={setHasCode}>
+					I have a code
+				</Checkbox>
+				{hasCode && (
+					<Input
+						type="text"
+						name="code"
+						onChange={(e) => setCode(e)}
+						placeholder="Enter your registration code (optional)"
+						defaultValue={code}
+					/>
+				)}
+			</div>
 
 			<Button
 				className="lg:mt-8 w-full"
 				color="purple"
-				disabled={isLoading || !email || !name || !password || !confirmPassword || password !== confirmPassword || !code}>
+				disabled={isLoading || !email || !name || !password || !confirmPassword || password !== confirmPassword || (hasCode ? !code : false)}>
 				Create account
 			</Button>
 		</form>

src/pages/(status)/PaymentDue.tsx

@@ -0,0 +1,170 @@
+/* eslint-disable @next/next/no-img-element */
+import Layout from "@/components/High/Layout";
+import PayPalPayment from "@/components/PayPalPayment";
+import useGroups from "@/hooks/useGroups";
+import usePackages from "@/hooks/usePackages";
+import useUsers from "@/hooks/useUsers";
+import {User} from "@/interfaces/user";
+import clsx from "clsx";
+import {capitalize} from "lodash";
+import {useState} from "react";
+import getSymbolFromCurrency from "currency-symbol-map";
+
+interface Props {
+	user: User;
+	hasExpired?: boolean;
+	clientID: string;
+	reload: () => void;
+}
+
+export default function PaymentDue({user, hasExpired = false, clientID, reload}: Props) {
+	const [isLoading, setIsLoading] = useState(false);
+
+	const {packages} = usePackages();
+	const {users} = useUsers();
+	const {groups} = useGroups();
+
+	const isIndividual = () => {
+		if (user?.type === "developer") return true;
+		if (user?.type !== "student") return false;
+		const userGroups = groups.filter((g) => g.participants.includes(user?.id));
+
+		if (userGroups.length === 0) return true;
+
+		const userGroupsAdminTypes = userGroups.map((g) => users?.find((u) => u.id === g.admin)?.type).filter((t) => !!t);
+		return userGroupsAdminTypes.every((t) => t !== "admin");
+	};
+
+	return (
+		<>
+			{isLoading && (
+				<div className="w-screen h-screen absolute top-0 left-0 overflow-hidden z-[999] bg-black/60">
+					<div className="w-fit h-fit absolute top-1/2 -translate-y-1/2 left-1/2 -translate-x-1/2 animate-pulse flex flex-col gap-8 items-center text-white">
+						<span className={clsx("loading loading-infinity w-48")} />
+						<span className={clsx("font-bold text-2xl")}>Completing your payment...</span>
+					</div>
+				</div>
+			)}
+			{user ? (
+				<Layout user={user} navDisabled={hasExpired}>
+					<div className="flex flex-col items-center justify-center text-center w-full gap-4">
+						{hasExpired && <span className="font-bold text-lg">You do not have time credits for your account type!</span>}
+						{isIndividual() && (
+							<div className="flex flex-col items-center w-full overflow-x-scroll scrollbar-hide gap-12">
+								<span className="max-w-lg">
+									To add to your use of EnCoach, please purchase one of the time packages available below:
+								</span>
+								<div className="w-full flex flex-wrap justify-center gap-8">
+									{packages.map((p) => (
+										<div key={p.id} className={clsx("p-4 bg-white rounded-xl flex flex-col gap-6 items-start")}>
+											<div className="flex flex-col items-start mb-2">
+												<img src="/logo_title.png" alt="EnCoach's Logo" className="w-32" />
+												<span className="font-semibold text-xl">
+													EnCoach - {p.duration}{" "}
+													{capitalize(
+														p.duration === 1 ? p.duration_unit.slice(0, p.duration_unit.length - 1) : p.duration_unit,
+													)}
+												</span>
+											</div>
+											<div className="flex flex-col gap-2 items-start w-full">
+												<span className="text-2xl">
+													{p.price}
+													{getSymbolFromCurrency(p.currency)}
+												</span>
+												<PayPalPayment
+													key={clientID}
+													{...p}
+													clientID={clientID}
+													setIsLoading={setIsLoading}
+													onSuccess={() => {
+														setTimeout(reload, 500);
+													}}
+												/>
+											</div>
+											<div className="flex flex-col gap-1 items-start">
+												<span>This includes:</span>
+												<ul className="flex flex-col items-start text-sm">
+													<li>- Train your abilities for the IELTS exam</li>
+													<li>- Gain insights into your weaknesses and strengths</li>
+													<li>- Allow yourself to correctly prepare for the exam</li>
+												</ul>
+											</div>
+										</div>
+									))}
+								</div>
+							</div>
+						)}
+						{!isIndividual() && user.type === "corporate" && user?.corporateInformation.payment && (
+							<div className="flex flex-col items-center">
+								<span className="max-w-lg">
+									To add to your use of EnCoach and that of your students and teachers, please pay your designated package below:
+								</span>
+								<div className={clsx("p-4 bg-white rounded-xl flex flex-col gap-6 items-start")}>
+									<div className="flex flex-col items-start mb-2">
+										<img src="/logo_title.png" alt="EnCoach's Logo" className="w-32" />
+										<span className="font-semibold text-xl">EnCoach - {user.corporateInformation?.monthlyDuration} Months</span>
+									</div>
+									<div className="flex flex-col gap-2 items-start w-full">
+										<span className="text-2xl">
+											{user.corporateInformation.payment.value}
+											{getSymbolFromCurrency(user.corporateInformation.payment.currency)}
+										</span>
+										<PayPalPayment
+											key={clientID}
+											clientID={clientID}
+											setIsLoading={setIsLoading}
+											currency={user.corporateInformation.payment.currency}
+											price={user.corporateInformation.payment.value}
+											duration={user.corporateInformation.monthlyDuration}
+											duration_unit="months"
+											onSuccess={() => {
+												setIsLoading(false);
+												setTimeout(reload, 500);
+											}}
+										/>
+									</div>
+									<div className="flex flex-col gap-1 items-start">
+										<span>This includes:</span>
+										<ul className="flex flex-col items-start text-sm">
+											<li>
+												- Allow a total of {user.corporateInformation.companyInformation.userAmount} students and teachers to
+												use EnCoach
+											</li>
+											<li>- Train their abilities for the IELTS exam</li>
+											<li>- Gain insights into your students&apos; weaknesses and strengths</li>
+											<li>- Allow them to correctly prepare for the exam</li>
+										</ul>
+									</div>
+								</div>
+							</div>
+						)}
+						{!isIndividual() && user.type !== "corporate" && (
+							<div className="flex flex-col items-center">
+								<span className="max-w-lg">
+									You are not the person in charge of your time credits, please contact your administrator about this situation.
+								</span>
+								<span className="max-w-lg">
+									If you believe this to be a mistake, please contact the platform&apos;s administration, thank you for your
+									patience.
+								</span>
+							</div>
+						)}
+						{!isIndividual() && user.type === "corporate" && !user.corporateInformation.payment && (
+							<div className="flex flex-col items-center">
+								<span className="max-w-lg">
+									An admin nor your agent have yet set the price intended to your requirements in terms of the amount of users you
+									desire and your expected monthly duration.
+								</span>
+								<span className="max-w-lg">
+									Please try again later or contact your agent or an admin, thank you for your patience.
+								</span>
+							</div>
+						)}
+					</div>
+				</Layout>
+			) : (
+				<div />
+			)}
+		</>
+	);
+}

src/pages/_document.tsx

@@ -1,13 +1,14 @@
-import { Html, Head, Main, NextScript } from 'next/document'
+/* eslint-disable @next/next/no-sync-scripts */
+import {Html, Head, Main, NextScript} from "next/document";
 
 export default function Document() {
-  return (
-    <Html lang="en">
-      <Head />
-      <body>
-        <Main />
-        <NextScript />
-      </body>
-    </Html>
-  )
+	return (
+		<Html lang="en">
+			<Head />
+			<body>
+				<Main />
+				<NextScript />
+			</body>
+		</Html>
+	);
 }

src/pages/api/assignments/index.ts

@@ -5,6 +5,10 @@ import {getFirestore, collection, getDocs, query, where, setDoc, doc} from "fire
 import {withIronSessionApiRoute} from "iron-session/next";
 import {sessionOptions} from "@/lib/session";
 import {uuidv4} from "@firebase/util";
+import { Module } from "@/interfaces";
+import { getExams } from "@/utils/exams.be";
+import { Exam } from "@/interfaces/exam";
+import { flatten } from "lodash";
 
 const db = getFirestore(app);
 
@@ -34,8 +38,107 @@ async function GET(req: NextApiRequest, res: NextApiResponse) {
 	res.status(200).json(docs);
 }
 
-async function POST(req: NextApiRequest, res: NextApiResponse) {
-	await setDoc(doc(db, "assignments", uuidv4()), {assigner: req.session.user?.id, ...req.body});
-
-	res.status(200).json({ok: true});
+interface ExamWithUser {
+  module: Module;
+  id: string;
+  assignee: string;
+}
+
+function getRandomIndex(arr: any[]): number {
+  const randomIndex = Math.floor(Math.random() * arr.length);
+  return randomIndex;
+}
+
+const generateExams = async (
+  generateMultiple: Boolean,
+  selectedModules: Module[],
+  assignees: string[]
+): Promise<ExamWithUser[]> => {
+  if (generateMultiple) {
+    // for optimization purposes, it would be better to create a new endpoint that returned the answers for all users at once
+    const allExams = await assignees.map(async (assignee) => {
+      const selectedModulePromises = await selectedModules.map(
+        async (module: Module) => {
+          try {
+            const exams: Exam[] = await getExams(db, module, "true", assignee);
+
+            const exam = exams[getRandomIndex(exams)];
+            if (exam) {
+              return { module: exam.module, id: exam.id, assignee };
+            }
+            return null;
+          } catch (e) {
+            console.error(e);
+            return null;
+          }
+        },
+        []
+      );
+      const newModules = await Promise.all(selectedModulePromises);
+
+      return newModules;
+    }, []);
+
+    const exams = flatten(await Promise.all(allExams)).filter(
+      (x) => x !== null
+    ) as ExamWithUser[];
+    return exams;
+  }
+
+  const selectedModulePromises = await selectedModules.map(
+    async (module: Module) => {
+      const exams: Exam[] = await getExams(db, module, "false", undefined);
+      const exam = exams[getRandomIndex(exams)];
+
+      if (exam) {
+        return { module: exam.module, id: exam.id };
+      }
+      return null;
+    }
+  );
+
+  const exams = await Promise.all(selectedModulePromises);
+  const examesFiltered = exams.filter((x) => x !== null) as ExamWithUser[];
+  return flatten(
+    assignees.map((assignee) =>
+      examesFiltered.map((exam) => ({ ...exam, assignee }))
+    )
+  );
+};
+
+async function POST(req: NextApiRequest, res: NextApiResponse) {
+  const {
+    selectedModules,
+    assignees,
+    // Generarte multiple true would generate an unique exam for eacah user
+    // false would generate the same exam for all usersa
+    generateMultiple = false,
+    ...body
+  } = req.body as {
+    selectedModules: Module[];
+    assignees: string[];
+    generateMultiple: Boolean;
+  };
+
+  const exams: ExamWithUser[] = await generateExams(
+    generateMultiple,
+    selectedModules,
+    assignees
+  );
+  if (exams.length === 0) {
+    res
+      .status(400)
+      .json({ ok: false, error: "No exams found for the selected modules" });
+    return;
+  }
+
+  await setDoc(doc(db, "assignments", uuidv4()), {
+    assigner: req.session.user?.id,
+    assignees,
+    results: [],
+    exams,
+    ...body,
+  });
+
+  res.status(200).json({ ok: true });
 }

src/pages/api/code/[id].ts

@@ -0,0 +1,23 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type {NextApiRequest, NextApiResponse} from "next";
+import {app} from "@/firebase";
+import {getFirestore, collection, getDocs, query, where, setDoc, doc, getDoc, deleteDoc} from "firebase/firestore";
+import {withIronSessionApiRoute} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import {uuidv4} from "@firebase/util";
+
+const db = getFirestore(app);
+
+export default async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (req.method === "GET") return GET(req, res);
+
+	res.status(404).json({ok: false});
+}
+
+async function GET(req: NextApiRequest, res: NextApiResponse) {
+	const {id} = req.query;
+
+	const snapshot = await getDoc(doc(db, "codes", id as string));
+
+	res.status(200).json({...snapshot.data(), id: snapshot.id});
+}

src/pages/api/code/index.ts

@@ -48,6 +48,8 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 		await setDoc(codeRef, {type, code, creator: req.session.user!.id, expiryDate});
 
 		if (emails && emails.length > index) {
+			await setDoc(codeRef, {email: emails[index]}, {merge: true});
+
 			const transport = prepareMailer();
 			const mailOptions = prepareMailOptions(
 				{

src/pages/api/evaluate/interactiveSpeaking.ts

@@ -2,12 +2,16 @@
 import type {NextApiRequest, NextApiResponse} from "next";
 import {withIronSessionApiRoute} from "iron-session/next";
 import {sessionOptions} from "@/lib/session";
-import axios from "axios";
+import axios, {AxiosResponse} from "axios";
 import formidable from "formidable-serverless";
-import {getStorage, ref, uploadBytes} from "firebase/storage";
+import {ref, uploadBytes} from "firebase/storage";
 import fs from "fs";
-import {app} from "@/firebase";
+import {app, storage} from "@/firebase";
+import {doc, getDoc, getFirestore, setDoc} from "firebase/firestore";
+import {Stat} from "@/interfaces/user";
+import {speakingReverseMarking} from "@/utils/score";
 
+const db = getFirestore(app);
 export default withIronSessionApiRoute(handler, sessionOptions);
 
 async function handler(req: NextApiRequest, res: NextApiResponse) {
@@ -16,8 +20,6 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 		return;
 	}
 
-	const storage = getStorage(app);
-
 	const form = formidable({keepExtensions: true});
 	await form.parse(req, async (err: any, fields: any, files: any) => {
 		if (err) console.log(err);
@@ -38,20 +40,41 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 			}),
 		);
 
-		const backendRequest = await axios.post(
-			`${process.env.BACKEND_URL}/speaking_task_3`,
-			{answers: uploadingAudios},
+		res.status(200).json(null);
+
+		console.log("🌱 - Still processing");
+		const backendRequest = await evaluate({answers: uploadingAudios});
+		console.log("🌱 - Process complete");
+
+		const correspondingStat = (await getDoc(doc(db, "stats", fields.id))).data() as Stat;
+		const solutions = correspondingStat.solutions.map((x) => ({...x, evaluation: backendRequest.data, solution: uploadingAudios}));
+		await setDoc(
+			doc(db, "stats", fields.id),
 			{
-				headers: {
-					Authorization: `Bearer ${process.env.BACKEND_JWT}`,
+				solutions,
+				score: {
+					correct: speakingReverseMarking[backendRequest.data.overall],
+					missing: 0,
+					total: 100,
 				},
 			},
+			{merge: true},
 		);
-
-		res.status(200).json({...backendRequest.data, answer: uploadingAudios});
+		console.log("🌱 - Updated the DB");
 	});
 }
 
+async function evaluate(body: {answers: object[]}): Promise<AxiosResponse> {
+	const backendRequest = await axios.post(`${process.env.BACKEND_URL}/speaking_task_3`, body, {
+		headers: {
+			Authorization: `Bearer ${process.env.BACKEND_JWT}`,
+		},
+	});
+
+	if (typeof backendRequest.data === "string") return evaluate(body);
+	return backendRequest;
+}
+
 export const config = {
 	api: {
 		bodyParser: false,

src/pages/api/evaluate/speaking.ts

@@ -2,12 +2,16 @@
 import type {NextApiRequest, NextApiResponse} from "next";
 import {withIronSessionApiRoute} from "iron-session/next";
 import {sessionOptions} from "@/lib/session";
-import axios from "axios";
+import axios, {AxiosResponse} from "axios";
 import formidable from "formidable-serverless";
-import {getStorage, ref, uploadBytes} from "firebase/storage";
+import {ref, uploadBytes} from "firebase/storage";
 import fs from "fs";
-import {app} from "@/firebase";
+import {app, storage} from "@/firebase";
+import {doc, getDoc, getFirestore, setDoc} from "firebase/firestore";
+import {Stat} from "@/interfaces/user";
+import {speakingReverseMarking} from "@/utils/score";
 
+const db = getFirestore(app);
 export default withIronSessionApiRoute(handler, sessionOptions);
 
 async function handler(req: NextApiRequest, res: NextApiResponse) {
@@ -16,8 +20,6 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 		return;
 	}
 
-	const storage = getStorage(app);
-
 	const form = formidable({keepExtensions: true});
 	await form.parse(req, async (err: any, fields: any, files: any) => {
 		if (err) console.log(err);
@@ -28,21 +30,46 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 		const binary = fs.readFileSync((audioFile as any).path).buffer;
 		const snapshot = await uploadBytes(audioFileRef, binary);
 
-		const backendRequest = await axios.post(
-			`${process.env.BACKEND_URL}/speaking_task_3`,
-			{answers: [{question: fields.question, answer: snapshot.metadata.fullPath}]},
+		res.status(200).json(null);
+
+		console.log("🌱 - Still processing");
+		const backendRequest = await evaluate({answers: [{question: fields.question, answer: snapshot.metadata.fullPath}]});
+		fs.rmSync((audioFile as any).path);
+		console.log("🌱 - Process complete");
+
+		const correspondingStat = (await getDoc(doc(db, "stats", fields.id))).data() as Stat;
+		const solutions = correspondingStat.solutions.map((x) => ({
+			...x,
+			evaluation: backendRequest.data,
+			solution: snapshot.metadata.fullPath,
+		}));
+		await setDoc(
+			doc(db, "stats", fields.id),
 			{
-				headers: {
-					Authorization: `Bearer ${process.env.BACKEND_JWT}`,
+				solutions,
+				score: {
+					correct: speakingReverseMarking[backendRequest.data.overall],
+					total: 100,
+					missing: 0,
 				},
 			},
+			{merge: true},
 		);
-
-		fs.rmSync((audioFile as any).path);
-		res.status(200).json({...backendRequest.data, fullPath: snapshot.metadata.fullPath});
+		console.log("🌱 - Updated the DB");
 	});
 }
 
+async function evaluate(body: {answers: object[]}): Promise<AxiosResponse> {
+	const backendRequest = await axios.post(`${process.env.BACKEND_URL}/speaking_task_3`, body, {
+		headers: {
+			Authorization: `Bearer ${process.env.BACKEND_JWT}`,
+		},
+	});
+
+	if (typeof backendRequest.data === "string") return evaluate(body);
+	return backendRequest;
+}
+
 export const config = {
 	api: {
 		bodyParser: false,

src/pages/api/evaluate/writing.ts

@@ -1,15 +1,20 @@
 // Next.js API route support: https://nextjs.org/docs/api-routes/introduction
 import type {NextApiRequest, NextApiResponse} from "next";
-import {getFirestore, doc, getDoc} from "firebase/firestore";
+import {getFirestore, doc, getDoc, setDoc} from "firebase/firestore";
 import {withIronSessionApiRoute} from "iron-session/next";
 import {sessionOptions} from "@/lib/session";
-import axios from "axios";
+import axios, {AxiosResponse} from "axios";
+import {app} from "@/firebase";
+import {Stat} from "@/interfaces/user";
+import {writingReverseMarking} from "@/utils/score";
 
 interface Body {
 	question: string;
 	answer: string;
+	id: string;
 }
 
+const db = getFirestore(app);
 export default withIronSessionApiRoute(handler, sessionOptions);
 
 async function handler(req: NextApiRequest, res: NextApiResponse) {
@@ -18,11 +23,36 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 		return;
 	}
 
-	const backendRequest = await axios.post(`${process.env.BACKEND_URL}/writing_task2`, req.body as Body, {
+	res.status(200).json(null);
+
+	console.log("🌱 - Still processing");
+	const backendRequest = await evaluate(req.body as Body);
+	console.log("🌱 - Process complete");
+
+	const correspondingStat = (await getDoc(doc(db, "stats", req.body.id))).data() as Stat;
+	const solutions = correspondingStat.solutions.map((x) => ({...x, evaluation: backendRequest.data}));
+	await setDoc(
+		doc(db, "stats", (req.body as Body).id),
+		{
+			solutions,
+			score: {
+				correct: writingReverseMarking[backendRequest.data.overall],
+				total: 100,
+				missing: 0,
+			},
+		},
+		{merge: true},
+	);
+	console.log("🌱 - Updated the DB");
+}
+
+async function evaluate(body: Body): Promise<AxiosResponse> {
+	const backendRequest = await axios.post(`${process.env.BACKEND_URL}/writing_task2`, body as Body, {
 		headers: {
 			Authorization: `Bearer ${process.env.BACKEND_JWT}`,
 		},
 	});
 
-	res.status(backendRequest.status).json(backendRequest.data);
+	if (typeof backendRequest.data === "string") return evaluate(body);
+	return backendRequest;
 }

src/pages/api/exam/[module]/generate.tsx

@@ -1,41 +0,0 @@
-// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
-import type {NextApiRequest, NextApiResponse} from "next";
-import {app} from "@/firebase";
-import {getFirestore, collection, getDocs, query, where} from "firebase/firestore";
-import {withIronSessionApiRoute} from "iron-session/next";
-import {sessionOptions} from "@/lib/session";
-import {shuffle} from "lodash";
-import {Exam} from "@/interfaces/exam";
-import {Stat} from "@/interfaces/user";
-import {Module} from "@/interfaces";
-import axios from "axios";
-
-const db = getFirestore(app);
-
-export default withIronSessionApiRoute(handler, sessionOptions);
-
-async function handler(req: NextApiRequest, res: NextApiResponse) {
-	if (!req.session.user) {
-		res.status(401).json({ok: false});
-		return;
-	}
-
-	if (req.session.user.type !== "developer") {
-		res.status(403).json({ok: false});
-		return;
-	}
-
-	const {module} = req.query as {module: Module};
-
-	switch (module) {
-		case "reading":
-			const result = await axios.get(
-				`${process.env.BACKEND_URL}/reading_passage_1?topic=football manager video game&exercises=multipleChoice&exercises=trueFalse&exercises=fillBlanks&exercises=writeBlanks`,
-				{headers: {Authorization: `Bearer ${process.env.BACKEND_JWT}`}},
-			);
-			res.status(200).json(result.data);
-			return;
-	}
-
-	res.status(200).json({ok: true});
-}

src/pages/api/exam/[module]/generate/[endpoint].ts

@@ -0,0 +1,54 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type {NextApiRequest, NextApiResponse} from "next";
+import {app} from "@/firebase";
+import {getFirestore, collection, getDocs, query, where} from "firebase/firestore";
+import {withIronSessionApiRoute} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import {shuffle} from "lodash";
+import {Exam} from "@/interfaces/exam";
+import {Stat} from "@/interfaces/user";
+import {Module} from "@/interfaces";
+import axios from "axios";
+
+const db = getFirestore(app);
+
+export default withIronSessionApiRoute(handler, sessionOptions);
+
+async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (req.method === "GET") return get(req, res);
+	if (req.method === "POST") return post(req, res);
+
+	return res.status(404).json({ok: false});
+}
+
+async function get(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) return res.status(401).json({ok: false});
+	if (req.session.user.type !== "developer") return res.status(403).json({ok: false});
+
+	const {endpoint, topic, exercises} = req.query as {module: Module; endpoint: string; topic?: string; exercises?: string[]};
+	const url = `${process.env.BACKEND_URL}/${endpoint}`;
+
+	const result = await axios.get(`${url}${topic && exercises ? `?topic=${topic.toLowerCase()}&exercises=${exercises.join("&exercises=")}` : ""}`, {
+		headers: {Authorization: `Bearer ${process.env.BACKEND_JWT}`},
+	});
+
+	res.status(200).json(result.data);
+}
+
+async function post(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) return res.status(401).json({ok: false});
+	if (req.session.user.type !== "developer") return res.status(403).json({ok: false});
+
+	const {endpoint, topic, exercises} = req.query as {module: Module; endpoint: string; topic?: string; exercises?: string[]};
+	const url = `${process.env.BACKEND_URL}/${endpoint}`;
+
+	const result = await axios.post(
+		`${url}${topic && exercises ? `?topic=${topic.toLowerCase()}&exercises=${exercises.join("&exercises=")}` : ""}`,
+		req.body,
+		{
+			headers: {Authorization: `Bearer ${process.env.BACKEND_JWT}`},
+		},
+	);
+
+	res.status(200).json(result.data);
+}

src/pages/api/exam/[module]/index.ts

@@ -1,47 +1,51 @@
 // Next.js API route support: https://nextjs.org/docs/api-routes/introduction
 import type {NextApiRequest, NextApiResponse} from "next";
 import {app} from "@/firebase";
-import {getFirestore, collection, getDocs, query, where} from "firebase/firestore";
+import {getFirestore, setDoc, doc} from "firebase/firestore";
 import {withIronSessionApiRoute} from "iron-session/next";
 import {sessionOptions} from "@/lib/session";
-import {shuffle} from "lodash";
 import {Exam} from "@/interfaces/exam";
-import {Stat} from "@/interfaces/user";
-
+import { getExams } from "@/utils/exams.be";
 const db = getFirestore(app);
 
 export default withIronSessionApiRoute(handler, sessionOptions);
 
 async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (req.method === "GET") return await GET(req, res);
+	if (req.method === "POST") return await POST(req, res);
+
+	res.status(404).json({ok: false});
+}
+
+async function GET(req: NextApiRequest, res: NextApiResponse) {
 	if (!req.session.user) {
 		res.status(401).json({ok: false});
 		return;
 	}
 
-	const {module, avoidRepeated} = req.query as {module: string; avoidRepeated: string};
-	const moduleRef = collection(db, module);
+	const {
+		module,
+		avoidRepeated,
+	} = req.query as {module: string; avoidRepeated: string};
 
-	const q = query(moduleRef, where("isDiagnostic", "==", false));
-	const snapshot = await getDocs(q);
+	const exams: Exam[] = await getExams(db, module, avoidRepeated, req.session.user.id);
+	res.status(200).json(exams);
+}
 
-	const exams: Exam[] = shuffle(
-		snapshot.docs.map((doc) => ({
-			id: doc.id,
-			...doc.data(),
-			module,
-		})),
-	) as Exam[];
-
-	if (avoidRepeated === "true") {
-		const statsQ = query(collection(db, "stats"), where("user", "==", req.session.user.id));
-		const statsSnapshot = await getDocs(statsQ);
-
-		const stats: Stat[] = statsSnapshot.docs.map((doc) => ({id: doc.id, ...doc.data()})) as unknown as Stat[];
-		const filteredExams = exams.filter((x) => !stats.map((s) => s.exam).includes(x.id));
-
-		res.status(200).json(filteredExams.length > 0 ? filteredExams : exams);
+async function POST(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		res.status(401).json({ok: false});
 		return;
 	}
 
-	res.status(200).json(exams);
+	if (req.session.user.type !== "developer") {
+		res.status(403).json({ok: false});
+		return;
+	}
+	const {module} = req.query as {module: string};
+
+	const exam = {...req.body, module: module};
+	await setDoc(doc(db, module, req.body.id), exam);
+
+	res.status(200).json(exam);
 }

src/pages/api/exam/index.ts

@@ -13,6 +13,12 @@ const db = getFirestore(app);
 export default withIronSessionApiRoute(handler, sessionOptions);
 
 async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (req.method === "GET") return await GET(req, res);
+
+	res.status(404).json({ok: false});
+}
+
+async function GET(req: NextApiRequest, res: NextApiResponse) {
 	if (!req.session.user) {
 		res.status(401).json({ok: false});
 		return;

src/pages/api/groups/[id].ts

@@ -11,9 +11,9 @@ const db = getFirestore(app);
 export default withIronSessionApiRoute(handler, sessionOptions);
 
 async function handler(req: NextApiRequest, res: NextApiResponse) {
-	if (req.method === "GET") await get(req, res);
-	if (req.method === "DELETE") await del(req, res);
-	if (req.method === "PATCH") await patch(req, res);
+	if (req.method === "GET") return await get(req, res);
+	if (req.method === "DELETE") return await del(req, res);
+	if (req.method === "PATCH") return await patch(req, res);
 
 	res.status(404).json(undefined);
 }
@@ -47,7 +47,7 @@ async function del(req: NextApiRequest, res: NextApiResponse) {
 	const group = {...snapshot.data(), id: snapshot.id} as Group;
 
 	const user = req.session.user;
-	if (user.type === "owner" || user.type === "developer" || user.id === group.admin) {
+	if (user.type === "admin" || user.type === "developer" || user.id === group.admin) {
 		await deleteDoc(snapshot.ref);
 
 		res.status(200).json({ok: true});
@@ -69,7 +69,7 @@ async function patch(req: NextApiRequest, res: NextApiResponse) {
 	const group = {...snapshot.data(), id: snapshot.id} as Group;
 
 	const user = req.session.user;
-	if (user.type === "owner" || user.type === "developer" || user.id === group.admin) {
+	if (user.type === "admin" || user.type === "developer" || user.id === group.admin) {
 		await setDoc(snapshot.ref, req.body, {merge: true});
 
 		res.status(200).json({ok: true});

src/pages/api/groups/index.ts

@@ -5,6 +5,7 @@ import {getFirestore, collection, getDocs, setDoc, doc} from "firebase/firestore
 import {withIronSessionApiRoute} from "iron-session/next";
 import {sessionOptions} from "@/lib/session";
 import {Group} from "@/interfaces/user";
+import {v4} from "uuid";
 
 const db = getFirestore(app);
 
@@ -45,6 +46,6 @@ async function get(req: NextApiRequest, res: NextApiResponse) {
 async function post(req: NextApiRequest, res: NextApiResponse) {
 	const body = req.body as Group;
 
-	await setDoc(doc(db, "groups", body.id), {name: body.name, admin: body.admin, participants: body.participants});
+	await setDoc(doc(db, "groups", v4()), {name: body.name, admin: body.admin, participants: body.participants});
 	res.status(200).json({ok: true});
 }

src/pages/api/packages/[id].ts

@@ -0,0 +1,89 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type {NextApiRequest, NextApiResponse} from "next";
+import {app} from "@/firebase";
+import {getFirestore, doc, getDoc, deleteDoc, setDoc} from "firebase/firestore";
+import {withIronSessionApiRoute} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import {PERMISSIONS} from "@/constants/userPermissions";
+
+const db = getFirestore(app);
+
+export default withIronSessionApiRoute(handler, sessionOptions);
+
+async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (req.method === "GET") return get(req, res);
+	if (req.method === "DELETE") return del(req, res);
+	if (req.method === "PATCH") return patch(req, res);
+}
+
+async function get(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		res.status(401).json({ok: false});
+		return;
+	}
+
+	const {id} = req.query as {id: string};
+
+	const docRef = doc(db, "packages", id);
+	const docSnap = await getDoc(docRef);
+
+	if (docSnap.exists()) {
+		res.status(200).json({
+			id: docSnap.id,
+			...docSnap.data(),
+			module,
+		});
+	} else {
+		res.status(404).json(undefined);
+	}
+}
+
+async function patch(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		res.status(401).json({ok: false});
+		return;
+	}
+
+	const {id} = req.query as {id: string};
+
+	const docRef = doc(db, "packages", id);
+	const docSnap = await getDoc(docRef);
+
+	if (docSnap.exists()) {
+		if (!["developer", "admin"].includes(req.session.user.type)) {
+			res.status(403).json({ok: false});
+			return;
+		}
+
+		await setDoc(docRef, req.body, {merge: true});
+
+		res.status(200).json({ok: true});
+	} else {
+		res.status(404).json({ok: false});
+	}
+}
+
+async function del(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		res.status(401).json({ok: false});
+		return;
+	}
+
+	const {id} = req.query as {id: string};
+
+	const docRef = doc(db, "packages", id);
+	const docSnap = await getDoc(docRef);
+
+	if (docSnap.exists()) {
+		if (!["developer", "admin"].includes(req.session.user.type)) {
+			res.status(403).json({ok: false});
+			return;
+		}
+
+		await deleteDoc(docRef);
+
+		res.status(200).json({ok: true});
+	} else {
+		res.status(404).json({ok: false});
+	}
+}

src/pages/api/packages/index.ts

@@ -0,0 +1,44 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type {NextApiRequest, NextApiResponse} from "next";
+import {app} from "@/firebase";
+import {getFirestore, collection, getDocs, setDoc, doc} from "firebase/firestore";
+import {withIronSessionApiRoute} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import {Group} from "@/interfaces/user";
+import {Package} from "@/interfaces/paypal";
+import {v4} from "uuid";
+
+const db = getFirestore(app);
+
+export default withIronSessionApiRoute(handler, sessionOptions);
+
+async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		res.status(401).json({ok: false});
+		return;
+	}
+
+	if (req.method === "GET") await get(req, res);
+	if (req.method === "POST") await post(req, res);
+}
+
+async function get(req: NextApiRequest, res: NextApiResponse) {
+	const snapshot = await getDocs(collection(db, "packages"));
+
+	res.status(200).json(
+		snapshot.docs.map((doc) => ({
+			id: doc.id,
+			...doc.data(),
+		})),
+	);
+}
+
+async function post(req: NextApiRequest, res: NextApiResponse) {
+	if (!["developer", "admin"].includes(req.session.user!.type))
+		return res.status(403).json({ok: false, reason: "You do not have permission to create a new package"});
+
+	const body = req.body as Package;
+
+	await setDoc(doc(db, "packages", v4()), body);
+	res.status(200).json({ok: true});
+}

src/pages/api/payments/[id].ts

@@ -0,0 +1,81 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type {NextApiRequest, NextApiResponse} from "next";
+import {app, storage} from "@/firebase";
+import {getFirestore, collection, getDocs, getDoc, doc, deleteDoc, setDoc} from "firebase/firestore";
+import {withIronSessionApiRoute} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import {Group} from "@/interfaces/user";
+import {Payment} from "@/interfaces/paypal";
+import {deleteObject, ref} from "firebase/storage";
+
+const db = getFirestore(app);
+
+export default withIronSessionApiRoute(handler, sessionOptions);
+
+async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (req.method === "GET") return await get(req, res);
+	if (req.method === "DELETE") return await del(req, res);
+	if (req.method === "PATCH") return await patch(req, res);
+
+	res.status(404).json(undefined);
+}
+
+async function get(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		res.status(401).json({ok: false});
+		return;
+	}
+
+	const {id} = req.query as {id: string};
+
+	const snapshot = await getDoc(doc(db, "payments", id));
+
+	if (snapshot.exists()) {
+		res.status(200).json({...snapshot.data(), id: snapshot.id});
+	} else {
+		res.status(404).json(undefined);
+	}
+}
+
+async function del(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		res.status(401).json({ok: false});
+		return;
+	}
+
+	const {id} = req.query as {id: string};
+
+	const snapshot = await getDoc(doc(db, "payments", id));
+	const data = snapshot.data() as Payment;
+
+	const user = req.session.user;
+	if (user.type === "admin" || user.type === "developer") {
+		if (data.commissionTransfer) await deleteObject(ref(storage, data.commissionTransfer));
+		if (data.corporateTransfer) await deleteObject(ref(storage, data.corporateTransfer));
+
+		await deleteDoc(snapshot.ref);
+		res.status(200).json({ok: true});
+		return;
+	}
+
+	res.status(403).json({ok: false});
+}
+
+async function patch(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		res.status(401).json({ok: false});
+		return;
+	}
+
+	const {id} = req.query as {id: string};
+	const snapshot = await getDoc(doc(db, "payments", id));
+
+	const user = req.session.user;
+	if (user.type === "admin" || user.type === "developer") {
+		await setDoc(snapshot.ref, req.body, {merge: true});
+
+		return res.status(200).json({ok: true});
+	}
+
+	res.status(403).json({ok: false});
+}

src/pages/api/payments/files/[type]/[paymentId].ts

@@ -0,0 +1,180 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type {NextApiRequest, NextApiResponse} from "next";
+import {app, storage} from "@/firebase";
+import {getFirestore, getDoc, doc, updateDoc, deleteField, setDoc} from "firebase/firestore";
+import {withIronSessionApiRoute} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import {FilesStorage} from "@/interfaces/storage.files";
+
+import {Payment} from "@/interfaces/paypal";
+import fs from "fs";
+import {ref, uploadBytes, deleteObject, getDownloadURL} from "firebase/storage";
+import formidable from "formidable-serverless";
+
+const db = getFirestore(app);
+
+const getPaymentField = (type: FilesStorage) => {
+	switch (type) {
+		case "commission":
+			return "commissionTransfer";
+		case "corporate":
+			return "corporateTransfer";
+		default:
+			return null;
+	}
+};
+
+const handleDelete = async (paymentId: string, paymentField: "commissionTransfer" | "corporateTransfer") => {
+	const paymentRef = doc(db, "payments", paymentId);
+	const paymentDoc = await getDoc(paymentRef);
+	const {[paymentField]: paymentFieldPath} = paymentDoc.data() as Payment;
+	// Create a reference to the file to delete
+	const documentRef = ref(storage, paymentFieldPath);
+	await deleteObject(documentRef);
+	await updateDoc(paymentRef, {
+		[paymentField]: deleteField(),
+		isPaid: false,
+	});
+};
+
+const handleUpload = async (req: NextApiRequest, paymentId: string, paymentField: "commissionTransfer" | "corporateTransfer") =>
+	new Promise((resolve, reject) => {
+		const form = formidable({keepExtensions: true});
+		form.parse(req, async (err: any, fields: any, files: any) => {
+			if (err) {
+				reject(err);
+				return;
+			}
+			try {
+				const {file} = files;
+				const fileName = Date.now() + "-" + file.name;
+				const fileRef = ref(storage, fileName);
+
+				const binary = fs.readFileSync(file.path).buffer;
+				const snapshot = await uploadBytes(fileRef, binary);
+				fs.rmSync(file.path);
+
+				const paymentRef = doc(db, "payments", paymentId);
+
+				await updateDoc(paymentRef, {
+					[paymentField]: snapshot.ref.fullPath,
+				});
+				resolve(snapshot.ref.fullPath);
+			} catch (err) {
+				reject(err);
+			}
+		});
+	});
+
+export default withIronSessionApiRoute(handler, sessionOptions);
+async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		res.status(401).json({ok: false});
+		return;
+	}
+
+	if (req.method === "GET") return await get(req, res);
+	if (req.method === "POST") return await post(req, res);
+	if (req.method === "DELETE") return await del(req, res);
+	if (req.method === "PATCH") return await patch(req, res);
+
+	res.status(404).json(undefined);
+}
+
+async function get(req: NextApiRequest, res: NextApiResponse) {
+	const {type, paymentId} = req.query as {
+		type: FilesStorage;
+		paymentId: string;
+	};
+	const paymentField = getPaymentField(type);
+
+	if (paymentField === null) {
+		res.status(500).json({error: "Failed to identify payment field"});
+		return;
+	}
+	const paymentRef = doc(db, "payments", paymentId);
+	const {[paymentField]: paymentFieldPath} = (await getDoc(paymentRef)).data() as Payment;
+
+	// Create a reference to the file to delete
+	const documentRef = ref(storage, paymentFieldPath);
+	const url = await getDownloadURL(documentRef);
+	res.status(200).json({url, name: documentRef.name});
+}
+
+async function post(req: NextApiRequest, res: NextApiResponse) {
+	const {type, paymentId} = req.query as {
+		type: FilesStorage;
+		paymentId: string;
+	};
+	const paymentField = getPaymentField(type);
+
+	if (paymentField === null) {
+		res.status(500).json({error: "Failed to identify payment field"});
+		return;
+	}
+
+	try {
+		const ref = await handleUpload(req, paymentId, paymentField);
+
+		const updatedDoc = (await getDoc(doc(db, "payments", paymentId))).data() as Payment;
+		if (updatedDoc.commissionTransfer && updatedDoc.corporateTransfer) {
+			await setDoc(doc(db, "payments", paymentId), {isPaid: true}, {merge: true});
+		}
+		res.status(200).json({ref});
+	} catch (error) {
+		res.status(500).json({error});
+	}
+}
+
+async function del(req: NextApiRequest, res: NextApiResponse) {
+	const {type, paymentId} = req.query as {
+		type: FilesStorage;
+		paymentId: string;
+	};
+	const paymentField = getPaymentField(type);
+	if (paymentField === null) {
+		res.status(500).json({error: "Failed to identify payment field"});
+		return;
+	}
+
+	try {
+		await handleDelete(paymentId, paymentField);
+		res.status(200).json({ok: true});
+	} catch (err) {
+		console.error(err);
+		res.status(500).json({error: "Failed to delete file"});
+	}
+}
+
+async function patch(req: NextApiRequest, res: NextApiResponse) {
+	const {type, paymentId} = req.query as {
+		type: FilesStorage;
+		paymentId: string;
+	};
+	const paymentField = getPaymentField(type);
+	if (paymentField === null) {
+		res.status(500).json({error: "Failed to identify payment field"});
+		return;
+	}
+
+	try {
+		await handleDelete(paymentId, paymentField);
+	} catch (err) {
+		console.error(err);
+		res.status(500).json({error: "Failed to delete file"});
+		return;
+	}
+
+	try {
+		const ref = await handleUpload(req, paymentId, paymentField);
+		res.status(200).json({ref});
+	} catch (err) {
+		res.status(500).json({error: "Failed to upload file"});
+	}
+}
+
+export const config = {
+	api: {
+		bodyParser: false,
+	},
+};

src/pages/api/payments/index.ts

@@ -0,0 +1,43 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type {NextApiRequest, NextApiResponse} from "next";
+import {app} from "@/firebase";
+import {getFirestore, collection, getDocs, setDoc, doc} from "firebase/firestore";
+import {withIronSessionApiRoute} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import {Group} from "@/interfaces/user";
+import {Payment} from "@/interfaces/paypal";
+import {v4} from "uuid";
+import ShortUniqueId from "short-unique-id";
+
+const db = getFirestore(app);
+
+export default withIronSessionApiRoute(handler, sessionOptions);
+
+async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		res.status(401).json({ok: false});
+		return;
+	}
+
+	if (req.method === "GET") await get(req, res);
+	if (req.method === "POST") await post(req, res);
+}
+
+async function get(req: NextApiRequest, res: NextApiResponse) {
+	const snapshot = await getDocs(collection(db, "payments"));
+
+	res.status(200).json(
+		snapshot.docs.map((doc) => ({
+			id: doc.id,
+			...doc.data(),
+		})),
+	);
+}
+
+async function post(req: NextApiRequest, res: NextApiResponse) {
+	const body = req.body as Payment;
+
+	const shortUID = new ShortUniqueId();
+	await setDoc(doc(db, "payments", shortUID.randomUUID(8)), body);
+	res.status(200).json({ok: true});
+}

src/pages/api/paypal/approve.ts

@@ -0,0 +1,83 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type {NextApiRequest, NextApiResponse} from "next";
+import {app} from "@/firebase";
+import {getFirestore, collection, getDocs, setDoc, doc} from "firebase/firestore";
+import {withIronSessionApiRoute} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import axios from "axios";
+import {DurationUnit, TokenError, TokenSuccess} from "@/interfaces/paypal";
+import {base64} from "@firebase/util";
+import {v4} from "uuid";
+import {OrderResponseBody} from "@paypal/paypal-js";
+import {getAccessToken} from "@/utils/paypal";
+import moment from "moment";
+import {Group} from "@/interfaces/user";
+
+const db = getFirestore(app);
+
+export default withIronSessionApiRoute(handler, sessionOptions);
+
+async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (req.method !== "POST") return res.status(404).json({ok: false, reason: "Method not supported!"});
+	if (!req.session.user) return res.status(401).json({ok: false});
+
+	const accessToken = await getAccessToken();
+	if (!accessToken) return res.status(401).json({ok: false, reason: "Authorization failed!"});
+
+	const {id, duration, duration_unit} = req.body as {id: string; duration: number; duration_unit: DurationUnit};
+
+	const request = await axios.post(
+		`${process.env.PAYPAL_ACCESS_TOKEN_URL}/v2/checkout/orders/${id}/capture`,
+		{},
+		{
+			headers: {
+				Authorization: `Bearer ${accessToken}`,
+			},
+		},
+	);
+
+	if (request.data.status === "COMPLETED") {
+		const user = req.session.user;
+		const subscriptionExpirationDate = req.session.user.subscriptionExpirationDate;
+		const today = moment(new Date());
+		const dateToBeAddedTo = !subscriptionExpirationDate
+			? today
+			: moment(subscriptionExpirationDate).isAfter(today)
+			? moment(subscriptionExpirationDate)
+			: today;
+
+		const updatedExpirationDate = dateToBeAddedTo.add(duration, duration_unit);
+		await setDoc(
+			doc(db, "users", req.session.user.id),
+			{subscriptionExpirationDate: updatedExpirationDate.toISOString(), status: "active"},
+			{merge: true},
+		);
+
+		if (user.type === "corporate") {
+			const snapshot = await getDocs(collection(db, "groups"));
+			const groups: Group[] = (
+				snapshot.docs.map((doc) => ({
+					id: doc.id,
+					...doc.data(),
+				})) as Group[]
+			).filter((x) => x.admin === user.id);
+
+			await Promise.all(
+				groups
+					.flatMap((x) => x.participants)
+					.map(
+						async (x) =>
+							await setDoc(
+								doc(db, "users", x),
+								{subscriptionExpirationDate: updatedExpirationDate.toISOString(), status: "active"},
+								{merge: true},
+							),
+					),
+			);
+		}
+
+		return res.status(200).json({ok: true});
+	}
+
+	res.status(404).json({ok: false, reason: "Order ID not found or purchase was not approved!"});
+}

src/pages/api/paypal/index.ts

@@ -0,0 +1,47 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type {NextApiRequest, NextApiResponse} from "next";
+import {app} from "@/firebase";
+import {getFirestore, collection, getDocs} from "firebase/firestore";
+import {withIronSessionApiRoute} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import axios from "axios";
+import {v4} from "uuid";
+import {OrderResponseBody} from "@paypal/paypal-js";
+import {getAccessToken} from "@/utils/paypal";
+
+const db = getFirestore(app);
+
+export default withIronSessionApiRoute(handler, sessionOptions);
+
+async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (req.method !== "POST") return res.status(404).json({ok: false, reason: "Method not supported!"});
+	if (!req.session.user) return res.status(401).json({ok: false});
+
+	const accessToken = await getAccessToken();
+	if (!accessToken) return res.status(401).json({ok: false, reason: "Authorization failed!"});
+
+	const {currencyCode, price} = req.body as {currencyCode: string; price: number};
+
+	const request = await axios.post<OrderResponseBody>(
+		`${process.env.PAYPAL_ACCESS_TOKEN_URL}/v2/checkout/orders`,
+		{
+			purchase_units: [
+				{
+					amount: {
+						currency_code: currencyCode,
+						value: price.toString(),
+					},
+					reference_id: v4(),
+				},
+			],
+			intent: "CAPTURE",
+		},
+		{
+			headers: {
+				Authorization: `Bearer ${accessToken}`,
+			},
+		},
+	);
+
+	res.status(request.status).json(request.data);
+}

src/pages/api/register.ts

@@ -6,6 +6,7 @@ import {withIronSessionApiRoute} from "iron-session/next";
 import {getFirestore, doc, setDoc, query, collection, where, getDocs} from "firebase/firestore";
 import {CorporateInformation, DemographicInformation, Type} from "@/interfaces/user";
 import {addUserToGroupOnCreation} from "@/utils/registration";
+import moment from "moment";
 
 const auth = getAuth(app);
 const db = getFirestore(app);
@@ -45,12 +46,12 @@ async function registerIndividual(req: NextApiRequest, res: NextApiResponse) {
 	const codeQuery = query(collection(db, "codes"), where("code", "==", code));
 	const codeDocs = (await getDocs(codeQuery)).docs.filter((x) => !Object.keys(x.data()).includes("userId"));
 
-	if (codeDocs.length === 0) {
+	if (code && code.length > 0 && codeDocs.length === 0) {
 		res.status(400).json({error: "Invalid Code!"});
 		return;
 	}
 
-	const codeData = codeDocs[0].data() as {code: string; type: Type; creator?: string; expiryDate: Date | null};
+	const codeData = codeDocs.length > 0 ? (codeDocs[0].data() as {code: string; type: Type; creator?: string; expiryDate: Date | null}) : undefined;
 
 	createUserWithEmailAndPassword(auth, email, password)
 		.then(async (userCredentials) => {
@@ -62,16 +63,20 @@ async function registerIndividual(req: NextApiRequest, res: NextApiResponse) {
 				desiredLevels: DEFAULT_DESIRED_LEVELS,
 				levels: DEFAULT_LEVELS,
 				bio: "",
-				isFirstLogin: codeData.type === "student",
+				isFirstLogin: codeData ? codeData.type === "student" : true,
 				focus: "academic",
-				type: codeData.type,
-				subscriptionExpirationDate: codeData.expiryDate,
+				type: email.endsWith("@ecrop.dev") ? "developer" : codeData ? codeData.type : "student",
+				subscriptionExpirationDate: codeData ? codeData.expiryDate : moment().subtract(1, "days").toISOString(),
 				registrationDate: new Date(),
+				status: code ? "active" : "paymentDue",
 			};
 
 			await setDoc(doc(db, "users", userId), user);
-			await setDoc(codeDocs[0].ref, {userId: userId}, {merge: true});
-			if (codeData.creator) await addUserToGroupOnCreation(userId, codeData.type, codeData.creator);
+
+			if (codeDocs.length > 0 && codeData) {
+				await setDoc(codeDocs[0].ref, {userId: userId}, {merge: true});
+				if (codeData.creator) await addUserToGroupOnCreation(userId, codeData.type, codeData.creator);
+			}
 
 			req.session.user = {...user, id: userId};
 			await req.session.save();

src/pages/api/speaking.ts

@@ -3,7 +3,7 @@ import type {NextApiRequest, NextApiResponse} from "next";
 import {withIronSessionApiRoute} from "iron-session/next";
 import {sessionOptions} from "@/lib/session";
 import {getDownloadURL, getStorage, ref} from "firebase/storage";
-import {app} from "@/firebase";
+import {app, storage} from "@/firebase";
 import axios from "axios";
 
 export default withIronSessionApiRoute(handler, sessionOptions);
@@ -14,7 +14,6 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 		return;
 	}
 
-	const storage = getStorage(app);
 	const {path} = req.body as {path: string};
 
 	const pathReference = ref(storage, path);

src/pages/api/stats/[id].ts

@@ -0,0 +1,23 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type {NextApiRequest, NextApiResponse} from "next";
+import {app} from "@/firebase";
+import {getFirestore, collection, getDocs, query, where, setDoc, doc, getDoc, deleteDoc} from "firebase/firestore";
+import {withIronSessionApiRoute} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import {uuidv4} from "@firebase/util";
+
+const db = getFirestore(app);
+
+export default async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (req.method === "GET") return GET(req, res);
+
+	res.status(404).json({ok: false});
+}
+
+async function GET(req: NextApiRequest, res: NextApiResponse) {
+	const {id} = req.query;
+
+	const snapshot = await getDoc(doc(db, "stats", id as string));
+
+	res.status(200).json({...snapshot.data(), id: snapshot.id});
+}

src/pages/api/stats/index.ts

@@ -42,7 +42,7 @@ async function post(req: NextApiRequest, res: NextApiResponse) {
 	}
 
 	const stats = req.body as Stat[];
-	await stats.forEach(async (stat) => await addDoc(collection(db, "stats"), stat));
+	await stats.forEach(async (stat) => await setDoc(doc(db, "stats", stat.id), stat));
 
 	const groupedStatsByAssignment = groupBy(
 		stats.filter((x) => !!x.assignment),

src/pages/api/stats/update.ts

@@ -25,8 +25,8 @@ async function update(req: NextApiRequest, res: NextApiResponse) {
 
 		const q = query(collection(db, "stats"), where("user", "==", req.session.user.id));
 		const stats = (await getDocs(q)).docs.map((doc) => ({
-			id: doc.id,
 			...(doc.data() as Stat),
+			id: doc.id,
 		})) as Stat[];
 
 		const groupedStats = groupBySession(stats);

src/pages/api/users/update.ts

@@ -1,20 +1,73 @@
 // Next.js API route support: https://nextjs.org/docs/api-routes/introduction
 import type {NextApiRequest, NextApiResponse} from "next";
-import {app} from "@/firebase";
-import {getFirestore, collection, getDocs, getDoc, doc, setDoc} from "firebase/firestore";
+import {app, storage} from "@/firebase";
+import {getFirestore, collection, getDocs, getDoc, doc, setDoc, query, where} from "firebase/firestore";
 import {withIronSessionApiRoute} from "iron-session/next";
 import {sessionOptions} from "@/lib/session";
-import {User} from "@/interfaces/user";
+import {Group, User} from "@/interfaces/user";
 import {getDownloadURL, getStorage, ref, uploadBytes} from "firebase/storage";
 import {getAuth, signInWithEmailAndPassword, updateEmail, updatePassword} from "firebase/auth";
 import {errorMessages} from "@/constants/errors";
-
+import moment from "moment";
+import ShortUniqueId from "short-unique-id";
+import {Payment} from "@/interfaces/paypal";
+import {toFixedNumber} from "@/utils/number";
 const db = getFirestore(app);
-const storage = getStorage(app);
 const auth = getAuth(app);
 
 export default withIronSessionApiRoute(handler, sessionOptions);
 
+// TODO: Data is set as any as data cannot be parsed to Payment
+// because the id is not a par of the hash and payment expects date to be of type Date
+// but if it is not inserted as a string, some UI components will not work (Invalid Date)
+const addPaymentRecord = async (data: any) => {
+	await setDoc(doc(db, "payments", data.id), data);
+};
+const managePaymentRecords = async (user: User, userId: string | undefined): Promise<boolean> => {
+	try {
+		if (user.type === "corporate" && userId) {
+			const shortUID = new ShortUniqueId();
+			const data: Payment = {
+				id: shortUID.randomUUID(8),
+				corporate: userId,
+				agent: user.corporateInformation.referralAgent,
+				agentCommission: user.corporateInformation.payment!.commission,
+				agentValue: toFixedNumber((user.corporateInformation.payment!.commission / 100) * user.corporateInformation.payment!.value, 2),
+				currency: user.corporateInformation.payment!.currency,
+				value: user.corporateInformation.payment!.value,
+				isPaid: false,
+				date: new Date().toISOString(),
+			};
+
+			const corporatePayments = await getDocs(query(collection(db, "payments"), where("corporate", "==", userId)));
+			if (corporatePayments.docs.length === 0) {
+				await addPaymentRecord(data);
+				return true;
+			}
+
+			const hasPaymentPaidAndExpiring = corporatePayments.docs.filter((doc) => {
+				const data = doc.data();
+				return (
+					data.isPaid &&
+					moment().isAfter(moment(user.subscriptionExpirationDate).subtract(30, "days")) &&
+					moment().isBefore(moment(user.subscriptionExpirationDate))
+				);
+			});
+
+			if (hasPaymentPaidAndExpiring.length > 0) {
+				await addPaymentRecord(data);
+				return true;
+			}
+		}
+
+		return false;
+	} catch (e) {
+		// if this process fails it should not stop the rest of the process
+		console.log(e);
+		return false;
+	}
+};
+
 async function handler(req: NextApiRequest, res: NextApiResponse) {
 	if (!req.session.user) {
 		res.status(401).json({ok: false});
@@ -25,7 +78,8 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 	const updatedUser = req.body as User & {password?: string; newPassword?: string};
 
 	if (!!req.query.id) {
-		await setDoc(userRef, updatedUser, {merge: true});
+		const user = await setDoc(userRef, updatedUser, {merge: true});
+		await managePaymentRecords(updatedUser, updatedUser.id);
 		res.status(200).json({ok: true});
 		return;
 	}
@@ -55,6 +109,23 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 		try {
 			const credential = await signInWithEmailAndPassword(auth, req.session.user.email, updatedUser.password);
 			await updateEmail(credential.user, updatedUser.email);
+
+			if (req.session.user.type === "student") {
+				const corporateAdmins = ((await getDocs(collection(db, "users"))).docs.map((x) => ({...x.data(), id: x.id})) as User[])
+					.filter((x) => x.type === "corporate")
+					.map((x) => x.id);
+				const groups = ((await getDocs(collection(db, "groups"))).docs.map((x) => ({...x.data(), id: x.id})) as Group[]).filter(
+					(x) => x.participants.includes(req.session.user!.id) && corporateAdmins.includes(x.admin),
+				);
+
+				groups.forEach(async (group) => {
+					await setDoc(
+						doc(db, "groups", group.id),
+						{participants: group.participants.filter((x) => x !== req.session.user!.id)},
+						{merge: true},
+					);
+				});
+			}
 		} catch {
 			res.status(400).json({error: "E002", message: errorMessages.E002});
 			return;
@@ -74,6 +145,8 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 		await req.session.save();
 	}
 
+	await managePaymentRecords(user, req.query.id);
+
 	res.status(200).json({user});
 }
 

src/pages/exam.tsx

@@ -4,6 +4,7 @@ import {withIronSessionSsr} from "iron-session/next";
 import {sessionOptions} from "@/lib/session";
 import {shouldRedirectHome} from "@/utils/navigation.disabled";
 import ExamPage from "./(exam)/ExamPage";
+import Head from "next/head";
 
 export const getServerSideProps = withIronSessionSsr(({req, res}) => {
 	const user = req.session.user;
@@ -36,5 +37,18 @@ export const getServerSideProps = withIronSessionSsr(({req, res}) => {
 }, sessionOptions);
 
 export default function Page() {
-	return <ExamPage page="exams" />;
+	return (
+		<>
+			<Head>
+				<title>Exams | EnCoach</title>
+				<meta
+					name="description"
+					content="A training platform for the IELTS exam provided by the Muscat Training Institute and developed by eCrop."
+				/>
+				<meta name="viewport" content="width=device-width, initial-scale=1" />
+				<link rel="icon" href="/favicon.ico" />
+			</Head>
+			<ExamPage page="exams" />
+		</>
+	);
 }

src/pages/exercises.tsx

@@ -4,6 +4,7 @@ import {withIronSessionSsr} from "iron-session/next";
 import {sessionOptions} from "@/lib/session";
 import {shouldRedirectHome} from "@/utils/navigation.disabled";
 import ExamPage from "./(exam)/ExamPage";
+import Head from "next/head";
 
 export const getServerSideProps = withIronSessionSsr(({req, res}) => {
 	const user = req.session.user;
@@ -36,5 +37,18 @@ export const getServerSideProps = withIronSessionSsr(({req, res}) => {
 }, sessionOptions);
 
 export default function Page() {
-	return <ExamPage page="exercises" />;
+	return (
+		<>
+			<Head>
+				<title>Exercises | EnCoach</title>
+				<meta
+					name="description"
+					content="A training platform for the IELTS exam provided by the Muscat Training Institute and developed by eCrop."
+				/>
+				<meta name="viewport" content="width=device-width, initial-scale=1" />
+				<link rel="icon" href="/favicon.ico" />
+			</Head>
+			<ExamPage page="exercises" />
+		</>
+	);
 }

src/pages/generation.tsx

@@ -0,0 +1,125 @@
+/* eslint-disable @next/next/no-img-element */
+import Head from "next/head";
+import {withIronSessionSsr} from "iron-session/next";
+import {sessionOptions} from "@/lib/session";
+import useUser from "@/hooks/useUser";
+import {toast, ToastContainer} from "react-toastify";
+import Layout from "@/components/High/Layout";
+import {shouldRedirectHome} from "@/utils/navigation.disabled";
+import {useState} from "react";
+import {Module} from "@/interfaces";
+import {RadioGroup, Tab} from "@headlessui/react";
+import clsx from "clsx";
+import {MODULE_ARRAY} from "@/utils/moduleUtils";
+import {capitalize} from "lodash";
+import Button from "@/components/Low/Button";
+import {Exercise, ReadingPart} from "@/interfaces/exam";
+import Input from "@/components/Low/Input";
+import axios from "axios";
+import ReadingGeneration from "./(generation)/ReadingGeneration";
+import ListeningGeneration from "./(generation)/ListeningGeneration";
+import WritingGeneration from "./(generation)/WritingGeneration";
+import LevelGeneration from "./(generation)/LevelGeneration";
+import SpeakingGeneration from "./(generation)/SpeakingGeneration";
+
+export const getServerSideProps = withIronSessionSsr(({req, res}) => {
+	const user = req.session.user;
+
+	if (!user || !user.isVerified) {
+		res.setHeader("location", "/login");
+		res.statusCode = 302;
+		res.end();
+		return {
+			props: {
+				user: null,
+			},
+		};
+	}
+
+	if (shouldRedirectHome(user) || user.type !== "developer") {
+		res.setHeader("location", "/");
+		res.statusCode = 302;
+		res.end();
+		return {
+			props: {
+				user: null,
+			},
+		};
+	}
+
+	return {
+		props: {user: req.session.user},
+	};
+}, sessionOptions);
+
+export default function Generation() {
+	const [module, setModule] = useState<Module>("reading");
+
+	const {user} = useUser({redirectTo: "/login"});
+
+	return (
+		<>
+			<Head>
+				<title>Exam Generation | EnCoach</title>
+				<meta
+					name="description"
+					content="A training platform for the IELTS exam provided by the Muscat Training Institute and developed by eCrop."
+				/>
+				<meta name="viewport" content="width=device-width, initial-scale=1" />
+				<link rel="icon" href="/favicon.ico" />
+			</Head>
+			<ToastContainer />
+			{user && (
+				<Layout user={user} className="gap-6">
+					<h1 className="text-2xl font-semibold">Exam Generation</h1>
+					<div className="flex flex-col gap-3">
+						<label className="font-normal text-base text-mti-gray-dim">Module</label>
+						<RadioGroup
+							value={module}
+							onChange={setModule}
+							className="flex flex-row -2xl:flex-wrap w-full gap-4 -md:justify-center justify-between">
+							{[...MODULE_ARRAY, "level"].map((x) => (
+								<RadioGroup.Option value={x} key={x}>
+									{({checked}) => (
+										<span
+											className={clsx(
+												"px-6 py-4 w-64 flex justify-center text-sm font-normal rounded-full border focus:outline-none cursor-pointer",
+												"transition duration-300 ease-in-out",
+												x === "reading" &&
+													(!checked
+														? "bg-white border-mti-gray-platinum"
+														: "bg-ielts-reading/70 border-ielts-reading text-white"),
+												x === "listening" &&
+													(!checked
+														? "bg-white border-mti-gray-platinum"
+														: "bg-ielts-listening/70 border-ielts-listening text-white"),
+												x === "writing" &&
+													(!checked
+														? "bg-white border-mti-gray-platinum"
+														: "bg-ielts-writing/70 border-ielts-writing text-white"),
+												x === "speaking" &&
+													(!checked
+														? "bg-white border-mti-gray-platinum"
+														: "bg-ielts-speaking/70 border-ielts-speaking text-white"),
+												x === "level" &&
+													(!checked
+														? "bg-white border-mti-gray-platinum"
+														: "bg-ielts-level/70 border-ielts-level text-white"),
+											)}>
+											{capitalize(x)}
+										</span>
+									)}
+								</RadioGroup.Option>
+							))}
+						</RadioGroup>
+					</div>
+					{module === "reading" && <ReadingGeneration />}
+					{module === "listening" && <ListeningGeneration />}
+					{module === "writing" && <WritingGeneration />}
+					{module === "speaking" && <SpeakingGeneration />}
+					{module === "level" && <LevelGeneration />}
+				</Layout>
+			)}
+		</>
+	);
+}