Created a discount system related to the user's e-mail address and applied to the packages

src/hooks/useDiscounts.tsx

@@ -0,0 +1,22 @@
+import { Discount } from "@/interfaces/paypal";
+import { Code, Group, User } from "@/interfaces/user";
+import axios from "axios";
+import { useEffect, useState } from "react";
+
+export default function useDiscounts(creator?: string) {
+  const [discounts, setDiscounts] = useState<Discount[]>([]);
+  const [isLoading, setIsLoading] = useState(false);
+  const [isError, setIsError] = useState(false);
+
+  const getData = () => {
+    setIsLoading(true);
+    axios
+      .get<Discount[]>("/api/discounts")
+      .then((response) => setDiscounts(response.data))
+      .finally(() => setIsLoading(false));
+  };
+
+  useEffect(getData, [creator]);
+
+  return { discounts, isLoading, isError, reload: getData };
+}

src/interfaces/paypal.ts

@@ -20,6 +20,12 @@ export interface Package {
   price: number;
 }
 
+export interface Discount {
+  id: string;
+  percentage: number;
+  domain: string;
+}
+
 export type DurationUnit = "weeks" | "days" | "months" | "years";
 
 export interface Payment {
@@ -36,7 +42,6 @@ export interface Payment {
   commissionTransfer?: string;
 }
 
-
 export interface PaypalPayment {
   orderId: string;
   userId: string;

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

@@ -0,0 +1,342 @@
+import Button from "@/components/Low/Button";
+import Checkbox from "@/components/Low/Checkbox";
+import Input from "@/components/Low/Input";
+import Select from "@/components/Low/Select";
+import Modal from "@/components/Modal";
+import useCodes from "@/hooks/useCodes";
+import useDiscounts from "@/hooks/useDiscounts";
+import useUser from "@/hooks/useUser";
+import useUsers from "@/hooks/useUsers";
+import { Discount } from "@/interfaces/paypal";
+import { Code, User } from "@/interfaces/user";
+import { USER_TYPE_LABELS } from "@/resources/user";
+import {
+  createColumnHelper,
+  flexRender,
+  getCoreRowModel,
+  useReactTable,
+} from "@tanstack/react-table";
+import axios from "axios";
+import moment from "moment";
+import { useEffect, useState } from "react";
+import { BsPencil, BsTrash } from "react-icons/bs";
+import { toast } from "react-toastify";
+
+const columnHelper = createColumnHelper<Discount>();
+
+const DiscountCreator = ({
+  discount,
+  onClose,
+}: {
+  discount?: Discount;
+  onClose: () => void;
+}) => {
+  const [percentage, setPercentage] = useState(discount?.percentage);
+  const [domain, setDomain] = useState(discount?.domain);
+
+  const submit = async () => {
+    const body = { percentage, domain };
+
+    if (discount) {
+      return axios
+        .patch(`/api/discounts/${discount.id}`, body)
+        .then(() => {
+          toast.success("Discount has been edited successfully!");
+          onClose();
+        })
+        .catch(() => {
+          toast.error("Something went wrong, please try again later!");
+        });
+    }
+
+    return axios
+      .post(`/api/discounts`, body)
+      .then(() => {
+        toast.success("New discount 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="w-full grid grid-cols-1 md:grid-cols-2 gap-8">
+        <div className="flex flex-col gap-3">
+          <label className="font-normal text-base text-mti-gray-dim">
+            Domain *
+          </label>
+          <div className="flex gap-4 items-center">
+            <Input
+              defaultValue={domain}
+              placeholder="encoach.com"
+              name="domain"
+              type="text"
+              onChange={(e) => setDomain(e.replaceAll("@", ""))}
+            />
+          </div>
+        </div>
+        <div className="flex flex-col gap-3">
+          <label className="font-normal text-base text-mti-gray-dim">
+            Percentage (in %) *
+          </label>
+          <div className="flex gap-4 items-center">
+            <Input
+              defaultValue={percentage}
+              placeholder="20"
+              name="percentage"
+              type="number"
+              onChange={(e) => setPercentage(parseFloat(e))}
+            />
+          </div>
+        </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={!percentage || !domain}
+        >
+          Submit
+        </Button>
+      </div>
+    </div>
+  );
+};
+
+export default function DiscountList({ user }: { user: User }) {
+  const [selectedDiscounts, setSelectedDiscounts] = useState<string[]>([]);
+
+  const [isCreating, setIsCreating] = useState(false);
+  const [editingDiscount, setEditingDiscount] = useState<Discount>();
+
+  const [filteredDiscounts, setFilteredDiscounts] = useState<Discount[]>([]);
+
+  const { users } = useUsers();
+  const { discounts, reload } = useDiscounts();
+
+  useEffect(() => {
+    setFilteredDiscounts(discounts);
+  }, [discounts]);
+
+  const toggleDiscount = (id: string) => {
+    setSelectedDiscounts((prev) =>
+      prev.includes(id) ? prev.filter((x) => x !== id) : [...prev, id],
+    );
+  };
+
+  const toggleAllDiscounts = (checked: boolean) => {
+    if (checked)
+      return setSelectedDiscounts(filteredDiscounts.map((x) => x.id));
+
+    return setSelectedDiscounts([]);
+  };
+
+  const deleteDiscounts = async (discounts: string[]) => {
+    if (
+      !confirm(
+        `Are you sure you want to delete these ${discounts.length} discount(s)?`,
+      )
+    )
+      return;
+
+    const params = new URLSearchParams();
+    discounts.forEach((code) => params.append("discount", code));
+
+    axios
+      .delete(`/api/discounts?${params.toString()}`)
+      .then(() => toast.success(`Deleted the discount(s)!`))
+      .catch((reason) => {
+        if (reason.response.status === 404) {
+          toast.error("Discount not found!");
+          return;
+        }
+
+        if (reason.response.status === 403) {
+          toast.error("You do not have permission to delete this discount!");
+          return;
+        }
+
+        toast.error("Something went wrong, please try again later.");
+      })
+      .finally(reload);
+  };
+
+  const deleteDiscount = async (discount: Discount) => {
+    if (
+      !confirm(
+        `Are you sure you want to delete this "${discount.id}" discount?`,
+      )
+    )
+      return;
+
+    axios
+      .delete(`/api/discounts/${discount.id}`)
+      .then(() => toast.success(`Deleted the "${discount.id}" discount`))
+      .catch((reason) => {
+        if (reason.response.status === 404) {
+          toast.error("Code not found!");
+          return;
+        }
+
+        if (reason.response.status === 403) {
+          toast.error("You do not have permission to delete this discount!");
+          return;
+        }
+
+        toast.error("Something went wrong, please try again later.");
+      })
+      .finally(reload);
+  };
+
+  const defaultColumns = [
+    columnHelper.accessor("id", {
+      id: "id",
+      header: () => (
+        <Checkbox
+          disabled={filteredDiscounts.length === 0}
+          isChecked={
+            selectedDiscounts.length === filteredDiscounts.length &&
+            filteredDiscounts.length > 0
+          }
+          onChange={(checked) => toggleAllDiscounts(checked)}
+        >
+          {""}
+        </Checkbox>
+      ),
+      cell: (info) => (
+        <Checkbox
+          isChecked={selectedDiscounts.includes(info.getValue())}
+          onChange={() => toggleDiscount(info.getValue())}
+        >
+          {""}
+        </Checkbox>
+      ),
+    }),
+    columnHelper.accessor("id", {
+      header: "ID",
+      cell: (info) => info.getValue(),
+    }),
+    columnHelper.accessor("domain", {
+      header: "Domain",
+      cell: (info) => `@${info.getValue()}`,
+    }),
+    columnHelper.accessor("percentage", {
+      header: "Percentage",
+      cell: (info) => `${info.getValue()}%`,
+    }),
+    {
+      header: "",
+      id: "actions",
+      cell: ({ row }: { row: { original: Discount } }) => {
+        return (
+          <div className="flex gap-4">
+            <div
+              data-tip="Delete"
+              className="cursor-pointer tooltip"
+              onClick={() => {
+                setEditingDiscount(row.original);
+              }}
+            >
+              <BsPencil className="hover:text-mti-purple-light transition ease-in-out duration-300" />
+            </div>
+            <div
+              data-tip="Delete"
+              className="cursor-pointer tooltip"
+              onClick={() => deleteDiscount(row.original)}
+            >
+              <BsTrash className="hover:text-mti-purple-light transition ease-in-out duration-300" />
+            </div>
+          </div>
+        );
+      },
+    },
+  ];
+
+  const table = useReactTable({
+    data: filteredDiscounts,
+    columns: defaultColumns,
+    getCoreRowModel: getCoreRowModel(),
+  });
+
+  const closeModal = () => {
+    setIsCreating(false);
+    setEditingDiscount(undefined);
+    reload();
+  };
+
+  return (
+    <>
+      <Modal
+        isOpen={isCreating || !!editingDiscount}
+        onClose={closeModal}
+        title={
+          editingDiscount ? `Editing ${editingDiscount.id}` : "New Discount"
+        }
+      >
+        <DiscountCreator onClose={closeModal} discount={editingDiscount} />
+      </Modal>
+      <div className="flex items-center justify-end pb-4 pt-1">
+        <div className="flex gap-4 items-center">
+          <span>{selectedDiscounts.length} code(s) selected</span>
+          <Button
+            disabled={selectedDiscounts.length === 0}
+            variant="outline"
+            color="red"
+            className="!py-1 px-10"
+            onClick={() => deleteDiscounts(selectedDiscounts)}
+          >
+            Delete
+          </Button>
+        </div>
+      </div>
+      <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="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 Discount
+      </button>
+    </>
+  );
+}

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

@@ -1,77 +1,109 @@
-import {User} from "@/interfaces/user";
+import { User } from "@/interfaces/user";
-import {Tab} from "@headlessui/react";
+import { Tab } from "@headlessui/react";
 import clsx from "clsx";
 import CodeList from "./CodeList";
+import DiscountList from "./DiscountList";
 import ExamList from "./ExamList";
 import GroupList from "./GroupList";
 import PackageList from "./PackageList";
 import UserList from "./UserList";
 
-export default function Lists({user}: {user: User}) {
+export default function Lists({ user }: { user: User }) {
   return (
     <Tab.Group>
       <Tab.List className="flex space-x-1 rounded-xl bg-mti-purple-ultralight/40 p-1">
         <Tab
-					className={({selected}) =>
+          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",
+              selected
+                ? "bg-white shadow"
+                : "text-blue-100 hover:bg-white/[0.12] hover:text-mti-purple-dark",
             )
-					}>
+          }
+        >
           User List
         </Tab>
         {user?.type === "developer" && (
           <Tab
-						className={({selected}) =>
+            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",
+                selected
+                  ? "bg-white shadow"
+                  : "text-blue-100 hover:bg-white/[0.12] hover:text-mti-purple-dark",
               )
-						}>
+            }
+          >
             Exam List
           </Tab>
         )}
         <Tab
-					className={({selected}) =>
+          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",
+              selected
+                ? "bg-white shadow"
+                : "text-blue-100 hover:bg-white/[0.12] hover:text-mti-purple-dark",
             )
-					}>
+          }
+        >
           Group List
         </Tab>
         {user && ["developer", "admin", "corporate"].includes(user.type) && (
           <Tab
-						className={({selected}) =>
+            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",
+                selected
+                  ? "bg-white shadow"
+                  : "text-blue-100 hover:bg-white/[0.12] hover:text-mti-purple-dark",
               )
-						}>
+            }
+          >
             Code List
           </Tab>
         )}
         {user && ["developer", "admin"].includes(user.type) && (
           <Tab
-						className={({selected}) =>
+            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",
+                selected
+                  ? "bg-white shadow"
+                  : "text-blue-100 hover:bg-white/[0.12] hover:text-mti-purple-dark",
               )
-						}>
+            }
+          >
             Package 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",
+              )
+            }
+          >
+            Discount List
+          </Tab>
+        )}
       </Tab.List>
       <Tab.Panels className="mt-2">
         <Tab.Panel className="overflow-y-scroll max-h-[600px] rounded-xl scrollbar-hide">
@@ -95,6 +127,11 @@ export default function Lists({user}: {user: User}) {
             <PackageList user={user} />
           </Tab.Panel>
         )}
+        {user && ["developer", "admin"].includes(user.type) && (
+          <Tab.Panel className="overflow-y-scroll max-h-[600px] rounded-xl scrollbar-hide">
+            <DiscountList user={user} />
+          </Tab.Panel>
+        )}
       </Tab.Panels>
     </Tab.Group>
   );

src/pages/(status)/PaymentDue.tsx

@@ -4,19 +4,19 @@ 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 { User } from "@/interfaces/user";
 import clsx from "clsx";
-import {capitalize} from "lodash";
+import { capitalize } from "lodash";
-import {useState} from "react";
+import { useEffect, useState } from "react";
 import getSymbolFromCurrency from "currency-symbol-map";
 import useInvites from "@/hooks/useInvites";
-import {BsArrowRepeat} from "react-icons/bs";
+import { BsArrowRepeat } from "react-icons/bs";
 import InviteCard from "@/components/Medium/InviteCard";
-import {useRouter} from "next/router";
+import { useRouter } from "next/router";
-import {PayPalScriptProvider} from "@paypal/react-paypal-js";
+import { PayPalScriptProvider } from "@paypal/react-paypal-js";
 import { usePaypalTracking } from "@/hooks/usePaypalTracking";
-import {ToastContainer} from "react-toastify";
+import { ToastContainer } from "react-toastify";
-
+import useDiscounts from "@/hooks/useDiscounts";
 
 interface Props {
   user: User;
@@ -25,17 +25,42 @@ interface Props {
   reload: () => void;
 }
 
-export default function PaymentDue({user, hasExpired = false, clientID, reload}: Props) {
+export default function PaymentDue({
+  user,
+  hasExpired = false,
+  clientID,
+  reload,
+}: Props) {
   const [isLoading, setIsLoading] = useState(false);
+  const [appliedDiscount, setAppliedDiscount] = useState(0);
 
   const router = useRouter();
 
-	const {packages} = usePackages();
+  const { packages } = usePackages();
-	const {users} = useUsers();
+  const { discounts } = useDiscounts();
-	const {groups} = useGroups();
+  const { users } = useUsers();
-	const {invites, isLoading: isInvitesLoading, reload: reloadInvites} = useInvites({to: user?.id});
+  const { groups } = useGroups();
+  const {
+    invites,
+    isLoading: isInvitesLoading,
+    reload: reloadInvites,
+  } = useInvites({ to: user?.id });
   const trackingId = usePaypalTracking();
 
+  useEffect(() => {
+    const userDiscounts = discounts.filter((x) =>
+      user.email.endsWith(`@${x.domain}`),
+    );
+    if (userDiscounts.length === 0) return;
+
+    const biggestDiscount = [...userDiscounts]
+      .sort((a, b) => b.percentage - a.percentage)
+      .shift();
+    if (!biggestDiscount) return;
+
+    setAppliedDiscount(biggestDiscount.percentage);
+  }, [discounts, user]);
+
   const isIndividual = () => {
     if (user?.type === "developer") return true;
     if (user?.type !== "student") return false;
@@ -43,7 +68,9 @@ export default function PaymentDue({user, hasExpired = false, clientID, reload}:
 
     if (userGroups.length === 0) return true;
 
-		const userGroupsAdminTypes = userGroups.map((g) => users?.find((u) => u.id === g.admin)?.type).filter((t) => !!t);
+    const userGroupsAdminTypes = userGroups
+      .map((g) => users?.find((u) => u.id === g.admin)?.type)
+      .filter((t) => !!t);
     return userGroupsAdminTypes.every((t) => t !== "corporate");
   };
 
@@ -54,7 +81,9 @@ export default function PaymentDue({user, hasExpired = false, clientID, reload}:
         <div className="absolute left-0 top-0 z-[999] h-screen w-screen overflow-hidden bg-black/60">
           <div className="absolute left-1/2 top-1/2 flex h-fit w-fit -translate-x-1/2 -translate-y-1/2 animate-pulse flex-col items-center gap-8 text-white">
             <span className={clsx("loading loading-infinity w-48")} />
-						<span className={clsx("text-2xl font-bold")}>Completing your payment...</span>
+            <span className={clsx("text-2xl font-bold")}>
+              Completing your payment...
+            </span>
           </div>
         </div>
       )}
@@ -65,9 +94,17 @@ export default function PaymentDue({user, hasExpired = false, clientID, reload}:
               <div className="flex items-center gap-4">
                 <div
                   onClick={reloadInvites}
-									className="text-mti-purple-light hover:text-mti-purple-dark flex cursor-pointer items-center gap-2 transition duration-300 ease-in-out">
+                  className="text-mti-purple-light hover:text-mti-purple-dark flex cursor-pointer items-center gap-2 transition duration-300 ease-in-out"
-									<span className="text-mti-black text-lg font-bold">Invites</span>
+                >
-									<BsArrowRepeat className={clsx("text-xl", isInvitesLoading && "animate-spin")} />
+                  <span className="text-mti-black text-lg font-bold">
+                    Invites
+                  </span>
+                  <BsArrowRepeat
+                    className={clsx(
+                      "text-xl",
+                      isInvitesLoading && "animate-spin",
+                    )}
+                  />
                 </div>
               </div>
               <span className="text-mti-gray-taupe scrollbar-hide flex gap-8 overflow-x-scroll">
@@ -87,11 +124,16 @@ export default function PaymentDue({user, hasExpired = false, clientID, reload}:
           )}
 
           <div className="flex w-full flex-col items-center justify-center gap-4 text-center">
-						{hasExpired && <span className="text-lg font-bold">You do not have time credits for your account type!</span>}
+            {hasExpired && (
+              <span className="text-lg font-bold">
+                You do not have time credits for your account type!
+              </span>
+            )}
             {isIndividual() && (
               <div className="scrollbar-hide flex w-full flex-col items-center gap-12 overflow-x-scroll">
                 <span className="max-w-lg">
-									To add to your use of EnCoach, please purchase one of the time packages available below:
+                  To add to your use of EnCoach, please purchase one of the time
+                  packages available below:
                 </span>
                 <div className="flex w-full flex-wrap justify-center gap-8">
                   <PayPalScriptProvider
@@ -100,40 +142,84 @@ export default function PaymentDue({user, hasExpired = false, clientID, reload}:
                       currency: "USD",
                       intent: "capture",
                       commit: true,
-										}}>
+                    }}
+                  >
                     {packages.map((p) => (
-											<div key={p.id} className={clsx("flex flex-col items-start gap-6 rounded-xl bg-white p-4")}>
+                      <div
+                        key={p.id}
+                        className={clsx(
+                          "flex flex-col items-start gap-6 rounded-xl bg-white p-4",
+                        )}
+                      >
                         <div className="mb-2 flex flex-col items-start">
-													<img src="/logo_title.png" alt="EnCoach's Logo" className="w-32" />
+                          <img
+                            src="/logo_title.png"
+                            alt="EnCoach's Logo"
+                            className="w-32"
+                          />
                           <span className="text-xl font-semibold">
                             EnCoach - {p.duration}{" "}
                             {capitalize(
-															p.duration === 1 ? p.duration_unit.slice(0, p.duration_unit.length - 1) : p.duration_unit,
+                              p.duration === 1
+                                ? p.duration_unit.slice(
+                                    0,
+                                    p.duration_unit.length - 1,
+                                  )
+                                : p.duration_unit,
                             )}
                           </span>
                         </div>
                         <div className="flex w-full flex-col items-start gap-2">
+                          {!appliedDiscount && (
                             <span className="text-2xl">
                               {p.price}
                               {getSymbolFromCurrency(p.currency)}
                             </span>
+                          )}
+                          {appliedDiscount && (
+                            <div className="flex items-center gap-2">
+                              <span className="text-2xl line-through">
+                                {p.price}
+                                {getSymbolFromCurrency(p.currency)}
+                              </span>
+                              <span className="text-2xl text-mti-red-light">
+                                {(
+                                  p.price -
+                                  p.price * (appliedDiscount / 100)
+                                ).toFixed(2)}
+                                {getSymbolFromCurrency(p.currency)}
+                              </span>
+                            </div>
+                          )}
                           <PayPalPayment
                             key={clientID}
-														{...p}
                             clientID={clientID}
                             setIsLoading={setIsLoading}
                             onSuccess={() => {
                               setTimeout(reload, 500);
                             }}
                             trackingId={trackingId}
+                            currency={p.currency}
+                            duration={p.duration}
+                            duration_unit={p.duration_unit}
+                            price={
+                              +(
+                                p.price -
+                                p.price * (appliedDiscount / 100)
+                              ).toFixed(2)
+                            }
                           />
                         </div>
                         <div className="flex flex-col items-start gap-1">
                           <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>
-														<li>- Allow yourself to correctly prepare for the exam</li>
+                              - Gain insights into your weaknesses and strengths
+                            </li>
+                            <li>
+                              - Allow yourself to correctly prepare for the exam
+                            </li>
                           </ul>
                         </div>
                       </div>
@@ -142,20 +228,36 @@ export default function PaymentDue({user, hasExpired = false, clientID, reload}:
                 </div>
               </div>
             )}
-						{!isIndividual() && user.type === "corporate" && user?.corporateInformation.payment && (
+            {!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:
+                    To add to your use of EnCoach and that of your students and
+                    teachers, please pay your designated package below:
                   </span>
-								<div className={clsx("flex flex-col items-start gap-6 rounded-xl bg-white p-4")}>
+                  <div
+                    className={clsx(
+                      "flex flex-col items-start gap-6 rounded-xl bg-white p-4",
+                    )}
+                  >
                     <div className="mb-2 flex flex-col items-start">
-										<img src="/logo_title.png" alt="EnCoach's Logo" className="w-32" />
+                      <img
-										<span className="text-xl font-semibold">EnCoach - {user.corporateInformation?.monthlyDuration} Months</span>
+                        src="/logo_title.png"
+                        alt="EnCoach's Logo"
+                        className="w-32"
+                      />
+                      <span className="text-xl font-semibold">
+                        EnCoach - {user.corporateInformation?.monthlyDuration}{" "}
+                        Months
+                      </span>
                     </div>
                     <div className="flex w-full flex-col items-start gap-2">
                       <span className="text-2xl">
                         {user.corporateInformation.payment.value}
-											{getSymbolFromCurrency(user.corporateInformation.payment.currency)}
+                        {getSymbolFromCurrency(
+                          user.corporateInformation.payment.currency,
+                        )}
                       </span>
                       <PayPalPayment
                         key={clientID}
@@ -177,11 +279,18 @@ export default function PaymentDue({user, hasExpired = false, clientID, reload}:
                       <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
+                          - Allow a total of{" "}
-												use EnCoach
+                          {
+                            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>
+                          - Gain insights into your students&apos; weaknesses
+                          and strengths
+                        </li>
                         <li>- Allow them to correctly prepare for the exam</li>
                       </ul>
                     </div>
@@ -191,22 +300,27 @@ export default function PaymentDue({user, hasExpired = false, clientID, reload}:
             {!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.
+                  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
+                  If you believe this to be a mistake, please contact the
-									patience.
+                  platform&apos;s administration, thank you for your patience.
                 </span>
               </div>
             )}
-						{!isIndividual() && user.type === "corporate" && !user.corporateInformation.payment && (
+            {!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
+                    An admin nor your agent have yet set the price intended to
-									desire and your expected monthly duration.
+                    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.
+                    Please try again later or contact your agent or an admin,
+                    thank you for your patience.
                   </span>
                 </div>
               )}

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

@@ -0,0 +1,94 @@
+// 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, "discounts", id);
+  const docSnap = await getDoc(docRef);
+
+  if (docSnap.exists()) {
+    res.status(200).json({
+      id: docSnap.id,
+      ...docSnap.data(),
+    });
+  } 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, "discounts", 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, "discounts", 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/discounts/index.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 } from "@/firebase";
+import {
+  getFirestore,
+  collection,
+  getDocs,
+  setDoc,
+  doc,
+  getDoc,
+  deleteDoc,
+} from "firebase/firestore";
+import { withIronSessionApiRoute } from "iron-session/next";
+import { sessionOptions } from "@/lib/session";
+import { Group } from "@/interfaces/user";
+import { Discount, 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.method === "GET") await get(req, res);
+  if (req.method === "POST") await post(req, res);
+  if (req.method === "DELETE") return del(req, res);
+}
+
+async function get(req: NextApiRequest, res: NextApiResponse) {
+  if (!req.session.user) {
+    res.status(401).json({ ok: false });
+    return;
+  }
+
+  const snapshot = await getDocs(collection(db, "discounts"));
+
+  res.status(200).json(
+    snapshot.docs.map((doc) => ({
+      id: doc.id,
+      ...doc.data(),
+    })),
+  );
+}
+
+async function post(req: NextApiRequest, res: NextApiResponse) {
+  if (!req.session.user) {
+    res.status(401).json({ ok: false });
+    return;
+  }
+
+  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 discount",
+    });
+
+  const body = req.body as Discount;
+
+  await setDoc(doc(db, "discounts", v4()), body);
+  res.status(200).json({ ok: true });
+}
+
+async function del(req: NextApiRequest, res: NextApiResponse) {
+  if (!req.session.user) {
+    res
+      .status(401)
+      .json({ ok: false, reason: "You must be logged in to generate a code!" });
+    return;
+  }
+
+  const discounts = req.query.discount as string[];
+
+  for (const discount of discounts) {
+    const snapshot = await getDoc(doc(db, "discounts", discount as string));
+    if (!snapshot.exists()) continue;
+
+    await deleteDoc(snapshot.ref);
+  }
+
+  res.status(200).json({ discounts });
+}