ENCOA-277, ENCOA-276, ENCOA-282, ENCOA-283

src/components/ExamEditor/ExercisePicker/index.tsx

@@ -9,7 +9,6 @@ import { Module } from "@/interfaces";
 import useExamEditorStore from "@/stores/examEditor";
 import { LevelPart, ListeningPart, Message, ReadingPart } from "@/interfaces/exam";
 import { BsArrowRepeat } from "react-icons/bs";
-import { writingTask } from "@/stores/examEditor/sections";
 
 interface ExercisePickerProps {
     module: string;

src/components/ExamEditor/Exercises/Script/index.tsx

@@ -6,6 +6,7 @@ import { Card, CardContent } from '@/components/ui/card';
 import Input from '@/components/Low/Input';
 import { FaFemale, FaMale, FaPlus } from 'react-icons/fa';
 import clsx from 'clsx';
+import { toast } from 'react-toastify';
 
 export interface Speaker {
     id: number;
@@ -217,6 +218,12 @@ const ScriptEditor: React.FC<Props> = ({ section, editing = false, local, setLoc
     }, [local]);
 
     if (!isConversation) {
+        if (typeof local !== 'string') {
+            toast.error(`Section ${section} is monologue based, but the import contained a conversation!`);
+            setLocal('');
+            return null;
+        }
+
         return (
             <Card>
                 <CardContent className="py-10">
@@ -238,6 +245,12 @@ const ScriptEditor: React.FC<Props> = ({ section, editing = false, local, setLoc
         );
     }
 
+    if (typeof local === 'string') {
+        toast.error(`Section ${section} is conversation based, but the import contained a monologue!`);
+        setLocal([]);
+        return null;
+    }
+
     return (
         <Card>
             <CardContent className="py-10">

src/components/ExamEditor/SectionRenderer/SectionContext/index.tsx

@@ -16,11 +16,10 @@ interface Props {
     onDiscard: () => void;
     onEdit?: () => void;
     module: Module;
-    listeningSection?: number;
     context: Generating;
 }
 
-const SectionContext: React.FC<Props> = ({ sectionId, title, description, renderContent, editing, onSave, onDiscard, onEdit, mode = "edit", module, context, listeningSection }) => {
+const SectionContext: React.FC<Props> = ({ sectionId, title, description, renderContent, editing, onSave, onDiscard, onEdit, mode = "edit", module, context }) => {
     const { currentModule } = useExamEditorStore();
     const { generating, levelGenerating } = useExamEditorStore(
         (state) => state.modules[currentModule].sections.find((section) => section.sectionId === sectionId)!
@@ -54,7 +53,7 @@ const SectionContext: React.FC<Props> = ({ sectionId, title, description, render
                 {loading ? (
                     <GenLoader module={module} />
                 ) : (
-                    renderContent(editing, listeningSection)
+                    renderContent(editing)
                 )}
             </div>
         </div>

src/components/ExamEditor/SectionRenderer/SectionContext/listening.tsx

@@ -1,5 +1,5 @@
-import { useEffect, useState } from "react";
+import { useCallback, useEffect, useState } from "react";
-import { LevelPart, ListeningPart } from "@/interfaces/exam";
+import { LevelPart, ListeningPart, Script } from "@/interfaces/exam";
 import SectionContext from ".";
 import useExamEditorStore from "@/stores/examEditor";
 import useSectionEdit from "../../Hooks/useSectionEdit";
@@ -22,9 +22,10 @@ interface Props {
 
 const ListeningContext: React.FC<Props> = ({ sectionId, module, listeningSection, level = false }) => {
     const { dispatch } = useExamEditorStore();
-    const { genResult, state, generating, levelGenResults, levelGenerating } = useExamEditorStore(
+    const { genResult, state, generating, levelGenResults, levelGenerating, scriptLoading } = useExamEditorStore(
         (state) => state.modules[module].sections.find((section) => section.sectionId === sectionId)!
     );
+
     const listeningPart = state as ListeningPart | LevelPart;
     const [isDialogDropdownOpen, setIsDialogDropdownOpen] = useState(false);
 
@@ -51,9 +52,11 @@ const ListeningContext: React.FC<Props> = ({ sectionId, module, listeningSection
         },
     });
 
-    useEffect(()=> {
+    useEffect(() => {
         if (listeningPart.script == undefined) {
             setScriptLocal(undefined);
+        } else {
+            setScriptLocal(listeningPart.script);
         }
     }, [listeningPart])
 
@@ -93,8 +96,8 @@ const ListeningContext: React.FC<Props> = ({ sectionId, module, listeningSection
         // eslint-disable-next-line react-hooks/exhaustive-deps
     }, [levelGenResults]);
 
-    const renderContent = (editing: boolean, listeningSection?: number) => {
+    const memoizedRenderContent = useCallback(() => {
-        if (scriptLocal === undefined && !editing) {
+        if (scriptLocal === undefined && !editing && !scriptLoading) {
             return (
                 <Card>
                     <CardContent className="py-10">
@@ -105,18 +108,23 @@ const ListeningContext: React.FC<Props> = ({ sectionId, module, listeningSection
         }
         return (
             <>
-                {generating === "audio" ? (<GenLoader module="listening" custom="Generating audio ..." />) : (
+                {(generating === "audio" || scriptLoading) ? (
+                    <GenLoader
+                        module="listening"
+                        custom={scriptLoading ? 'Transcribing Audio ...' : 'Generating audio ...'}
+                    />
+                ) : (
                     <>
-                        {listeningPart.audio?.source && (
+                        {listeningPart.audio?.source !== undefined && (
                             <AudioPlayer
-                                key={sectionId}
+                                key={`${sectionId}-${scriptLocal?.length}`}
                                 src={listeningPart.audio?.source ?? ''}
                                 color="listening"
                             />
                         )}
                     </>
                 )}
-                <Dropdown
+                {!scriptLoading && <Dropdown
                     className="mt-8 w-full flex items-center justify-between p-4 bg-white hover:bg-gray-50 transition-colors border rounded-xl border-gray-200"
                     contentWrapperClassName="rounded-xl mt-2"
                     customTitle={
@@ -125,10 +133,10 @@ const ListeningContext: React.FC<Props> = ({ sectionId, module, listeningSection
                                 "h-5 w-5",
                                 `text-ielts-${module}`
                             )} />
-                            <span className="font-medium text-gray-900">{
+                            <span className="font-medium text-gray-900">
-                                listeningSection === undefined ?
+                                {listeningSection === undefined
-                                    ([1, 3].includes(sectionId) ? "Conversation" : "Monologue") :
+                                    ? ([1, 3].includes(sectionId) ? "Conversation" : "Monologue")
-                                    ([1, 3].includes(listeningSection) ? "Conversation" : "Monologue")}
+                                    : ([1, 3].includes(listeningSection) ? "Conversation" : "Monologue")}
                             </span>
                         </div>
                     }
@@ -136,15 +144,32 @@ const ListeningContext: React.FC<Props> = ({ sectionId, module, listeningSection
                     setIsOpen={setIsDialogDropdownOpen}
                 >
                     <ScriptRender
+                        key={scriptLocal?.length}
                         local={scriptLocal}
                         setLocal={setScriptLocal}
                         section={level ? listeningSection! : sectionId}
                         editing={editing}
                     />
                 </Dropdown>
+                }
             </>
         );
-    };
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+    }, [
+        scriptLoading,
+        generating,
+        listeningPart.audio?.source,
+        listeningPart.script,
+        sectionId,
+        module,
+        isDialogDropdownOpen,
+        setIsDialogDropdownOpen,
+        setScriptLocal,
+        level,
+        scriptLocal,
+        editing,
+        listeningSection
+    ]);
 
     return (
         <SectionContext
@@ -155,14 +180,13 @@ const ListeningContext: React.FC<Props> = ({ sectionId, module, listeningSection
                     ([1, 3].includes(listeningSection) ? "Conversation" : "Monologue")
             }
             description={`Enter the section's ${(sectionId === 1 || sectionId === 3) ? "conversation" : "monologue"} or import your own`}
-            renderContent={renderContent}
+            renderContent={memoizedRenderContent}
             editing={editing}
             onSave={handleSave}
             onEdit={handleEdit}
             onDiscard={handleDiscard}
             module={module}
             context="listeningScript"
-            listeningSection={listeningSection}
         />
     );
 };

src/components/ExamEditor/SettingsEditor/Shared/Generate.ts

@@ -68,7 +68,6 @@ export function generate(
     const url = `/api/exam/generate/${module}/${sectionId}${queryString ? `?${queryString}` : ''}`;
 
     let body = null;
-    console.log(config.files);
     if (config.files && Object.keys(config.files).length > 0 && config.method === 'POST') {
         const formData = new FormData();
 

src/components/ExamEditor/SettingsEditor/Shared/GenerateBtn.tsx

@@ -13,9 +13,10 @@ interface Props {
     generateFnc: (sectionId: number) => void
     className?: string;
     level?: boolean;
+    disabled?: boolean;
 }
 
-const GenerateBtn: React.FC<Props> = ({ module, sectionId, genType, generateFnc, className, level = false }) => {
+const GenerateBtn: React.FC<Props> = ({ module, sectionId, genType, generateFnc, className, level = false, disabled = false }) => {
     const section = useExamEditorStore((store) => store.modules[level ? "level" : module].sections.find((s) => s.sectionId == sectionId));
     const [loading, setLoading] = useState(false);
 
@@ -24,7 +25,7 @@ const GenerateBtn: React.FC<Props> = ({ module, sectionId, genType, generateFnc,
     const levelGenerating = section?.levelGenerating;
     const levelGenResults = section?.levelGenResults;
 
-    useEffect(()=> {
+    useEffect(() => {
         const gen = level ? levelGenerating?.find(g => g === genType) !== undefined : (generating !== undefined && generating === genType);
         if (loading !== gen) {
             setLoading(gen);
@@ -42,8 +43,8 @@ const GenerateBtn: React.FC<Props> = ({ module, sectionId, genType, generateFnc,
                 `bg-ielts-${module}/70 border border-ielts-${module} hover:bg-ielts-${module} disabled:bg-ielts-${module}/40`,
                 className
             )}
-            disabled={loading}
+            disabled={loading || disabled}
-            onClick={loading ? () => { } : () => generateFnc(sectionId)}
+            onClick={(loading || disabled) ? () => { } : () => generateFnc(sectionId)}
         >
             {loading ? (
                 <div key={`section-${sectionId}`} className="flex items-center justify-center">

src/components/ExamEditor/SettingsEditor/listening/AudioUpload.tsx

@@ -0,0 +1,148 @@
+import Button from '@/components/Low/Button';
+import Modal from '@/components/Modal';
+import dynamic from 'next/dynamic';
+import React, { useCallback, useState } from 'react';
+import { MdAudioFile, MdCloudUpload, MdDelete } from 'react-icons/md';
+
+const Waveform = dynamic(() => import("@/components/Waveform"), { ssr: false });
+
+interface AudioUploadProps {
+  isOpen: boolean;
+  audioFile: string | undefined;
+  setIsOpen: React.Dispatch<React.SetStateAction<boolean>>;
+  onFileSelect: (file: File | null) => void;
+  transcribeAudio: () => void;
+  setAudioUrl: React.Dispatch<React.SetStateAction<string | undefined>>;
+}
+
+const AudioUpload: React.FC<AudioUploadProps> = ({ isOpen, audioFile, setIsOpen, onFileSelect, transcribeAudio, setAudioUrl }) => {
+  const [isDragging, setIsDragging] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  const handleDrag = useCallback((e: React.DragEvent) => {
+    e.preventDefault();
+    e.stopPropagation();
+  }, []);
+
+  const handleDragIn = useCallback((e: React.DragEvent) => {
+    e.preventDefault();
+    e.stopPropagation();
+    setIsDragging(true);
+  }, []);
+
+  const handleDragOut = useCallback((e: React.DragEvent) => {
+    e.preventDefault();
+    e.stopPropagation();
+    setIsDragging(false);
+  }, []);
+
+  const validateFile = (file: File): boolean => {
+    if (!file.type.startsWith('audio/')) {
+      setError('Please upload an audio file');
+      return false;
+    }
+    setError(null);
+    return true;
+  };
+
+  const handleDrop = useCallback((e: React.DragEvent) => {
+    e.preventDefault();
+    e.stopPropagation();
+    setIsDragging(false);
+    setError(null);
+
+    const file = e.dataTransfer.files?.[0];
+    if (file && validateFile(file)) {
+      onFileSelect(file);
+    }
+  }, [onFileSelect]);
+
+  const handleFileUpload = (event: React.ChangeEvent<HTMLInputElement>) => {
+    const file = event.target.files?.[0];
+    if (file && validateFile(file)) {
+      onFileSelect(file);
+    }
+  };
+
+  const handleRemoveAudio = () => {
+    onFileSelect(null);
+  };
+
+  return (
+    <Modal isOpen={isOpen} onClose={() => setIsOpen(false)}>
+      <div className="w-full space-y-4">
+        {!audioFile && (
+          <div
+            className={`relative border-2 border-dashed rounded-lg p-8 text-center 
+              ${isDragging
+                ? 'border-blue-500 bg-blue-50'
+                : 'border-gray-300 hover:border-gray-400'
+              } 
+              transition-all duration-200 ease-in-out`}
+            onDragEnter={handleDragIn}
+            onDragLeave={handleDragOut}
+            onDragOver={handleDrag}
+            onDrop={handleDrop}
+          >
+            <input
+              type="file"
+              accept="audio/*"
+              onChange={handleFileUpload}
+              className="absolute inset-0 w-full h-full opacity-0 cursor-pointer"
+              title="Choose audio file"
+            />
+            <div className="space-y-4">
+              <div className="flex justify-center">
+                {error ? (
+                  <MdAudioFile className="w-16 h-16 text-red-500" />
+                ) : (
+                  <MdCloudUpload className="w-16 h-16 text-gray-400" />
+                )}
+              </div>
+              <div className="space-y-2">
+                <h3 className="text-lg font-medium text-gray-700">
+                  {error ? error : 'Upload Audio File'}
+                </h3>
+                <p className="text-sm text-gray-500">
+                  Drag and drop your audio file here, or click to select
+                </p>
+              </div>
+            </div>
+          </div>
+        )}
+
+        {audioFile && (
+          <div className="space-y-4">
+            <div className="flex justify-between items-center">
+              <h3 className="text-lg font-medium text-gray-700">Audio Upload</h3>
+              <button
+                onClick={handleRemoveAudio}
+                className="flex items-center gap-2 px-3 py-1.5 text-sm text-white bg-red-500 hover:bg-red-600 rounded-md transition-colors duration-200 w-36"
+              >
+                <MdDelete className="w-4 h-4" />
+                Remove Audio
+              </button>
+            </div>
+            <Waveform
+              variant='edit'
+              audio={audioFile}
+              waveColor="#ddd"
+              progressColor="#4a90e2"
+              setAudioUrl={setAudioUrl}
+            />
+            <div className="flex w-full justify-between pt-8">
+              <Button color="purple" onClick={() => setIsOpen(false)} variant="outline" className="max-w-[200px] self-end w-full">
+                Cancel
+              </Button>
+              <Button color="purple" onClick={()=> { transcribeAudio(); setIsOpen(false);}} className="max-w-[200px] self-end w-full">
+                Upload
+              </Button>
+            </div>
+          </div>
+        )}
+      </div>
+    </Modal>
+  );
+};
+
+export default AudioUpload;

src/components/ExamEditor/SettingsEditor/listening/components.tsx

@@ -1,15 +1,20 @@
 import Dropdown from "../Shared/SettingsDropdown";
 import ExercisePicker from "../../ExercisePicker";
 import GenerateBtn from "../Shared/GenerateBtn";
-import { useCallback } from "react";
+import { useCallback, useState } from "react";
 import { generate } from "../Shared/Generate";
 import { LevelSectionSettings, ListeningSectionSettings } from "@/stores/examEditor/types";
 import useExamEditorStore from "@/stores/examEditor";
-import { LevelPart, ListeningPart } from "@/interfaces/exam";
+import { LevelPart, ListeningPart, Script } from "@/interfaces/exam";
 import Input from "@/components/Low/Input";
 import axios from "axios";
 import { toast } from "react-toastify";
 import { playSound } from "@/utils/sound";
+import { FaFileUpload } from "react-icons/fa";
+import clsx from "clsx";
+import AudioUpload from "./AudioUpload";
+import { downloadBlob } from "@/utils/evaluation";
+import { BsArrowRepeat } from "react-icons/bs";
 
 interface Props {
     localSettings: ListeningSectionSettings | LevelSectionSettings;
@@ -25,9 +30,29 @@ const ListeningComponents: React.FC<Props> = ({ currentSection, localSettings, u
     const {
         focusedSection,
         difficulty,
+        sections
     } = useExamEditorStore(state => state.modules[currentModule]);
 
+    const [originalAudioUrl, setOriginalAudioUrl] = useState<string | undefined>();
+    const [audioUrl, setAudioUrl] = useState<string | undefined>();
+    const [isUploaderOpen, setIsUploaderOpen] = useState(false);
+    const [isUploading, setIsUploading] = useState(false);
+
     const generateScript = useCallback(() => {
+        if (audioUrl) {
+            URL.revokeObjectURL(audioUrl);
+            setAudioUrl(undefined);
+            dispatch({
+                type: "UPDATE_SECTION_STATE",
+                payload: {
+                    sectionId: focusedSection,
+                    module: "listening",
+                    update: {
+                        audio: undefined
+                    }
+                }
+            });
+        }
         generate(
             levelId ? levelId : focusedSection,
             "listening",
@@ -124,8 +149,83 @@ const ListeningComponents: React.FC<Props> = ({ currentSection, localSettings, u
         // eslint-disable-next-line react-hooks/exhaustive-deps
     }, [currentSection?.script, dispatch, level, levelId]);
 
+
+    const handleFileSelect = (file: File | null) => {
+        if (file) {
+            const url = URL.createObjectURL(file);
+            setOriginalAudioUrl(url);
+            setAudioUrl(url);
+            dispatch({ 
+                type: "UPDATE_SECTION_STATE", 
+                payload: { 
+                    sectionId: focusedSection, 
+                    module: "listening", 
+                    update: { 
+                        audio: { 
+                            source: url,
+                            repeatableTimes: 3 
+                        } 
+                    } 
+                } 
+            });
+        } else {
+            if (audioUrl) {
+                URL.revokeObjectURL(audioUrl);
+                URL.revokeObjectURL(originalAudioUrl!);
+                dispatch({ 
+                    type: "UPDATE_SECTION_STATE", 
+                    payload: { 
+                        sectionId: focusedSection, 
+                        module: "listening", 
+                        update: { audio: undefined } 
+                    } 
+                });
+            }
+            setAudioUrl(undefined);
+            setOriginalAudioUrl(undefined);
+        }
+    };
+
+
+    const transcribeAudio = async () => {
+        try {
+            setIsUploading(true);
+            dispatch({type: "UPDATE_SECTION_SINGLE_FIELD", payload: {module: "listening", sectionId: focusedSection, field: "scriptLoading", value: true}})
+            const formData = new FormData();
+            const audioBlob = await downloadBlob(audioUrl!);
+            const audioFile = new File([audioBlob], "audio");
+            formData.append("audio", audioFile);
+
+            const config = {
+                headers: {
+                    "Content-Type": "multipart/form-data",
+                },
+            };
+
+            const response = await axios.post(`/api/transcribe`, formData, config);
+            dispatch({
+                type: "UPDATE_SECTION_STATE",
+                payload: {
+                    sectionId: focusedSection,
+                    module: "listening",
+                    update: {
+                        script: (response.data as any).dialog as Script,
+                        audio: { source: audioUrl!, repeatableTimes: 3 }
+                    }
+                }
+            });
+
+        } catch (error) {
+            toast.error("An unexpected error has occurred, try again later!");
+        } finally {
+            setIsUploading(false);
+            dispatch({type: "UPDATE_SECTION_SINGLE_FIELD", payload: {module: "listening", sectionId: focusedSection, field: "scriptLoading", value: false}})
+        }
+    };
+
     return (
         <>
+            <AudioUpload isOpen={isUploaderOpen} setIsOpen={setIsUploaderOpen} audioFile={originalAudioUrl} onFileSelect={handleFileSelect} transcribeAudio={transcribeAudio} setAudioUrl={setAudioUrl} />
             <Dropdown
                 title="Audio Context"
                 module="listening"
@@ -154,10 +254,39 @@ const ListeningComponents: React.FC<Props> = ({ currentSection, localSettings, u
                             sectionId={focusedSection}
                             generateFnc={generateScript}
                             level={level}
+                            disabled={isUploading}
                         />
                     </div>
                 </div>
-            </Dropdown>
+                <div className="flex justify-center text-mti-gray-dim font-semibold">Or</div>
+                <div className="flex flex-col w-full gap-2 px-2 pb-4">
+                    <div className="flex flex-row items-center text-mti-gray-dim justify-between w-full gap-4 py-2 pl-2">
+                        <div className="flex-1 bg-gray-100 px-3.5 py-2.5 rounded-lg border border-gray-300">
+                            Import your own audio file
+                        </div>
+                        <div className="flex self-end h-16 mb-1 flex-shrink-0">
+                            <button
+                                className={clsx(
+                                    "flex items-center w-[140px] justify-center px-4 py-2 text-white rounded-xl transition-colors duration-300 text-lg disabled:cursor-not-allowed",
+                                    "bg-ielts-listening/70 border border-ielts-listening hover:bg-ielts-listening disabled:bg-ielts-listening/40"
+                                )}
+                                onClick={() => setIsUploaderOpen(true)}
+                            >
+                                <div className="flex flex-row">
+                                    {isUploading ? (
+                                        <BsArrowRepeat className="mr-2 text-white animate-spin" size={25} />
+                                    ) : (
+                                        <>
+                                            <FaFileUpload className="mr-2" size={24} />
+                                            <span>Upload</span>
+                                        </>
+                                    )}
+                                </div>
+                            </button>
+                        </div>
+                    </div>
+                </div >
+            </Dropdown >
             <Dropdown
                 title="Add Exercises"
                 module="listening"
@@ -181,10 +310,10 @@ const ListeningComponents: React.FC<Props> = ({ currentSection, localSettings, u
                 module="listening"
                 open={localSettings.isAudioGenerationOpen}
                 setIsOpen={(isOpen: boolean) => updateLocalAndScheduleGlobal({ isAudioGenerationOpen: isOpen }, false)}
-                disabled={currentSection === undefined || currentSection.script === undefined && currentSection.audio === undefined || currentSection.exercises.length === 0}
+                disabled={currentSection === undefined || currentSection.script === undefined || currentSection.exercises.length === 0 || audioUrl !== undefined}
                 contentWrapperClassName={level ? `border border-ielts-listening` : ''}
             >
-                <div className="flex flex-row items-center text-mti-gray-dim justify-center mb-4 gap-2 p-2">
+                <div className="flex flex-row items-center text-mti-gray-dim justify-center mb-4 gap-4 p-2">
                     <span className="bg-gray-100 px-3.5 py-2.5 rounded-lg border border-gray-300">
                         Generate audio recording for this section
                     </span>

src/components/ExamEditor/SettingsEditor/writing/index.tsx

@@ -61,7 +61,6 @@ const WritingSettings: React.FC = () => {
             exercises: sections.map((s, index) => {
                 const exercise = s.state as WritingExercise;
                 if (type === "academic" && index == 0 && academic_url) {
-                    console.log("Added the URL");
                     exercise["attachment"] = {
                         url: academic_url,
                         description: "Visual Information"

src/components/ExamEditor/index.tsx

@@ -20,7 +20,7 @@ import { defaultSectionSettings } from "@/stores/examEditor/defaults";
 import Button from "../Low/Button";
 import ResetModule from "./ResetModule";
 
-const DIFFICULTIES: Difficulty[] = ["easy", "medium", "hard"];
+const DIFFICULTIES: Difficulty[] = ["A1", "A2", "B1", "B2", "C1", "C2"];
 
 const ExamEditor: React.FC<{ levelParts?: number }> = ({ levelParts = 0 }) => {
     const { currentModule, dispatch } = useExamEditorStore();

src/components/ImportSummaries/Classroom.tsx

@@ -0,0 +1,332 @@
+import React, { useState } from 'react';
+import { Card, CardHeader, CardTitle, CardContent } from '@/components/ui/card';
+import {
+    FaCheckCircle,
+    FaTimesCircle,
+    FaExclamationCircle,
+    FaInfoCircle,
+    FaUsers,
+    FaExclamationTriangle,
+    FaLock
+} from 'react-icons/fa';
+import Modal from '../Modal';
+import UserTable from '../Tables/UserTable';
+import ParseExcelErrors from './ExcelError';
+import { errorsByRows } from '@/utils/excel.errors';
+import { ClassroomTransferState } from '../Imports/StudentClassroomTransfer';
+import { ExcelUserDuplicatesMap } from './User';
+
+const ClassroomImportSummary: React.FC<{state: ClassroomTransferState}> = ({ state }) => {
+    const [showErrorsModal, setShowErrorsModal] = useState(false);
+    const [showDuplicatesModal, setShowDuplicatesModal] = useState(false);
+    const [showNotFoundModal, setShowNotFoundModal] = useState(false);
+    const [showOtherEntityModal, setShowOtherEntityModal] = useState(false);
+    const [showAlreadyInClassModal, setShowAlreadyInClassModal] = useState(false);
+    const [showNotOwnedModal, setShowNotOwnedModal] = useState(false);
+
+    const errorCount = state.parsedExcel?.errors ? 
+        Object.entries(errorsByRows(state.parsedExcel.errors)).length : 0;
+
+    return (
+        <>
+            <Card>
+                <CardHeader>
+                    <CardTitle className="flex justify-center font-semibold text-xl">
+                        Import Summary
+                    </CardTitle>
+                </CardHeader>
+                <CardContent>
+                    <div className="space-y-4">
+                        <div className="flex items-center gap-2">
+                            <FaInfoCircle className="h-5 w-5 text-blue-500" />
+                            <span>
+                                {`${state.parsedExcel?.rows?.length || 0} total spreadsheet rows`}
+                                {state.parsedExcel && state.parsedExcel.rows && state.parsedExcel.rows.filter(row => row === null).length > 0 && (
+                                    <span className="text-gray-500">
+                                        {` (${state.parsedExcel.rows.filter((row: any) => row === null).length} empty)`}
+                                    </span>
+                                )}
+                            </span>
+                        </div>
+
+                        <div className="flex items-center justify-between">
+                            <div className="flex items-center gap-2">
+                                {state.imports.length > 0 ? (
+                                    <FaCheckCircle className="h-5 w-5 text-green-500" />
+                                ) : (
+                                    <FaTimesCircle className="h-5 w-5 text-red-500" />
+                                )}
+                                <span>{`${state.imports.length} user${state.imports.length !== 1 ? 's' : ''} ready for transfer`}</span>
+                            </div>
+                        </div>
+
+                        {state.notFoundUsers.length > 0 && (
+                            <div className="flex items-center justify-between">
+                                <div className="flex items-center gap-2">
+                                    <FaTimesCircle className="h-5 w-5 text-red-500" />
+                                    <span>{`${state.notFoundUsers.length} user${state.notFoundUsers.length !== 1 ? 's' : ''} not found`}</span>
+                                </div>
+                                <button
+                                    onClick={() => setShowNotFoundModal(true)}
+                                    className="inline-flex items-center justify-center px-3 py-1.5 text-sm font-medium text-gray-700 hover:text-gray-900 hover:bg-gray-100 rounded-md transition-colors"
+                                >
+                                    View details
+                                </button>
+                            </div>
+                        )}
+
+                        {state.otherEntityUsers.length > 0 && (
+                            <div className="flex items-center justify-between">
+                                <div className="flex items-center gap-2">
+                                    <FaExclamationCircle className="h-5 w-5 text-yellow-500" />
+                                    <span>{`${state.otherEntityUsers.length} user${state.otherEntityUsers.length !== 1 ? 's' : ''} from different entities`}</span>
+                                </div>
+                                <button
+                                    onClick={() => setShowOtherEntityModal(true)}
+                                    className="inline-flex items-center justify-center px-3 py-1.5 text-sm font-medium text-gray-700 hover:text-gray-900 hover:bg-gray-100 rounded-md transition-colors"
+                                >
+                                    View details
+                                </button>
+                            </div>
+                        )}
+
+                        {state.alreadyInClass.length > 0 && (
+                            <div className="flex items-center justify-between">
+                                <div className="flex items-center gap-2">
+                                    <FaUsers className="h-5 w-5 text-blue-500" />
+                                    <span>{`${state.alreadyInClass.length} user${state.alreadyInClass.length !== 1 ? 's' : ''} already in class`}</span>
+                                </div>
+                                <button
+                                    onClick={() => setShowAlreadyInClassModal(true)}
+                                    className="inline-flex items-center justify-center px-3 py-1.5 text-sm font-medium text-gray-700 hover:text-gray-900 hover:bg-gray-100 rounded-md transition-colors"
+                                >
+                                    View details
+                                </button>
+                            </div>
+                        )}
+
+                        {state.notOwnedClassrooms.length > 0 && (
+                            <div className="flex items-center justify-between">
+                                <div className="flex items-center gap-2">
+                                    <FaLock className="h-5 w-5 text-red-500" />
+                                    <span>{`${state.notOwnedClassrooms.length} classroom${state.notOwnedClassrooms.length !== 1 ? 's' : ''} not owned`}</span>
+                                </div>
+                                <button
+                                    onClick={() => setShowNotOwnedModal(true)}
+                                    className="inline-flex items-center justify-center px-3 py-1.5 text-sm font-medium text-gray-700 hover:text-gray-900 hover:bg-gray-100 rounded-md transition-colors"
+                                >
+                                    View details
+                                </button>
+                            </div>
+                        )}
+
+                        {state.duplicatedRows && state.duplicatedRows.count > 0 && (
+                            <div className="flex items-center justify-between">
+                                <div className="flex items-center gap-2">
+                                    <FaExclamationCircle className="h-5 w-5 text-yellow-500" />
+                                    <span>{state.duplicatedRows.count} duplicate entries in file</span>
+                                </div>
+                                <button
+                                    onClick={() => setShowDuplicatesModal(true)}
+                                    className="inline-flex items-center justify-center px-3 py-1.5 text-sm font-medium text-gray-700 hover:text-gray-900 hover:bg-gray-100 rounded-md transition-colors"
+                                >
+                                    View duplicates
+                                </button>
+                            </div>
+                        )}
+
+                        {errorCount > 0 && (
+                            <div className="flex items-center justify-between">
+                                <div className="flex items-center gap-2">
+                                    <FaTimesCircle className="h-5 w-5 text-red-500" />
+                                    <span>{errorCount} invalid rows</span>
+                                </div>
+                                <button
+                                    onClick={() => setShowErrorsModal(true)}
+                                    className="inline-flex items-center justify-center px-3 py-1.5 text-sm font-medium text-gray-700 hover:text-gray-900 hover:bg-gray-100 rounded-md transition-colors"
+                                >
+                                    View errors
+                                </button>
+                            </div>
+                        )}
+                    </div>
+
+                    {((state.duplicatedRows?.count ?? 0) > 0 || errorCount > 0 || 
+                      state.notFoundUsers.length > 0 || state.otherEntityUsers.length > 0 || 
+                      state.notOwnedClassrooms.length > 0) && (
+                        <div className="mt-6 rounded-lg border border-red-100 bg-white p-6">
+                            <div className="flex items-start gap-4">
+                                <div className="mt-1">
+                                    <FaExclamationTriangle className="h-5 w-5 text-red-400" />
+                                </div>
+                                <div className="flex-1 space-y-3">
+                                    <p className="font-medium text-gray-900">
+                                        The following will be excluded from transfer:
+                                    </p>
+                                    <ul className="space-y-4">
+                                        {state.notFoundUsers.length > 0 && (
+                                            <li>
+                                                <div className="text-gray-700">
+                                                    <span className="font-medium">{state.notFoundUsers.length}</span> users not found
+                                                </div>
+                                            </li>
+                                        )}
+                                        {state.otherEntityUsers.length > 0 && (
+                                            <li>
+                                                <div className="text-gray-700">
+                                                    <span className="font-medium">{state.otherEntityUsers.length}</span> users from different entities
+                                                </div>
+                                            </li>
+                                        )}
+                                        {state.notOwnedClassrooms.length > 0 && (
+                                            <li>
+                                                <div className="text-gray-700">
+                                                    <span className="font-medium">{state.notOwnedClassrooms.length}</span> classrooms not owned:
+                                                    <div className="mt-1 ml-4 text-sm text-gray-600">
+                                                        {state.notOwnedClassrooms.join(', ')}
+                                                    </div>
+                                                </div>
+                                            </li>
+                                        )}
+                                        {state.duplicatedRows && state.duplicatedRows.count > 0 && (
+                                            <li>
+                                                <div className="text-gray-700">
+                                                    <span className="font-medium">{state.duplicatedRows.count}</span> duplicate entries
+                                                </div>
+                                            </li>
+                                        )}
+                                        {errorCount > 0 && (
+                                            <li>
+                                                <div className="text-gray-700">
+                                                    <span className="font-medium">{errorCount}</span> rows with invalid information
+                                                </div>
+                                            </li>
+                                        )}
+                                    </ul>
+                                </div>
+                            </div>
+                        </div>
+                    )}
+                </CardContent>
+            </Card>
+
+            {/* Modals */}
+            <Modal isOpen={showErrorsModal} onClose={() => setShowErrorsModal(false)}>
+                <>
+                    <div className="flex items-center gap-2 mb-6">
+                        <FaTimesCircle className="w-5 h-5 text-red-500" />
+                        <h2 className="text-lg font-semibold text-gray-900">Validation Errors</h2>
+                    </div>
+                    <ParseExcelErrors errors={state.parsedExcel?.errors || []} />
+                </>
+            </Modal>
+
+            <Modal isOpen={showNotFoundModal} onClose={() => setShowNotFoundModal(false)}>
+                <>
+                    <div className="flex items-center gap-2 mb-6">
+                        <FaTimesCircle className="w-5 h-5 text-red-500" />
+                        <h2 className="text-lg font-semibold text-gray-900">Users Not Found</h2>
+                    </div>
+                    <UserTable users={state.notFoundUsers} />
+                </>
+            </Modal>
+
+            <Modal isOpen={showOtherEntityModal} onClose={() => setShowOtherEntityModal(false)}>
+                <>
+                    <div className="flex items-center gap-2 mb-6">
+                        <FaExclamationCircle className="w-5 h-5 text-yellow-500" />
+                        <h2 className="text-lg font-semibold text-gray-900">Users from Different Entities</h2>
+                    </div>
+                    <UserTable users={state.otherEntityUsers} />
+                </>
+            </Modal>
+
+            <Modal isOpen={showAlreadyInClassModal} onClose={() => setShowAlreadyInClassModal(false)}>
+                <>
+                    <div className="flex items-center gap-2 mb-6">
+                        <FaUsers className="w-5 h-5 text-blue-500" />
+                        <h2 className="text-lg font-semibold text-gray-900">Users Already in Class</h2>
+                    </div>
+                    <UserTable users={state.alreadyInClass} />
+                </>
+            </Modal>
+
+            <Modal isOpen={showNotOwnedModal} onClose={() => setShowNotOwnedModal(false)}>
+                <>
+                    <div className="flex items-center gap-2 mb-6">
+                        <FaLock className="w-5 h-5 text-red-500" />
+                        <h2 className="text-lg font-semibold text-gray-900">Classrooms Not Owned</h2>
+                    </div>
+                    <div className="space-y-3">
+                        {state.notOwnedClassrooms.map(classroom => (
+                            <div
+                                key={classroom}
+                                className="flex justify-between items-center rounded-lg border border-gray-200 bg-gray-50 p-3"
+                            >
+                                <span className="text-gray-700">{classroom}</span>
+                            </div>
+                        ))}
+                    </div>
+                </>
+            </Modal>
+
+            <Modal isOpen={showDuplicatesModal} onClose={() => setShowDuplicatesModal(false)}>
+                <>
+                    <div className="flex items-center gap-2 mb-6">
+                        <FaExclamationCircle className="w-5 h-5 text-yellow-500" />
+                        <h2 className="text-lg font-semibold text-gray-900">Duplicate Entries</h2>
+                    </div>
+                    {state.duplicatedRows && (
+                        <div className="space-y-6">
+                            {(Object.keys(state.duplicatedRows.duplicates) as Array<keyof ExcelUserDuplicatesMap>).map(field => {
+                                const duplicates = Array.from(state.duplicatedRows!.duplicates[field].entries())
+                                    .filter((entry): entry is [string, number[]] => entry[1].length > 1);
+
+                                if (duplicates.length === 0) return null;
+
+                                return (
+                                    <div key={field} className="relative">
+                                        <div className="flex items-center gap-2 mb-3">
+                                            <h2 className="text-md font-medium text-gray-700">
+                                                {field} duplicates
+                                            </h2>
+                                            <span className="text-xs text-gray-500 ml-auto">
+                                                {duplicates.length} {duplicates.length === 1 ? 'duplicate' : 'duplicates'}
+                                            </span>
+                                        </div>
+
+                                        <div className="space-y-2">
+                                            {duplicates.map(([value, rows]) => (
+                                                <div
+                                                    key={value}
+                                                    className="group relative rounded-lg border border-gray-200 bg-gray-50 p-3 hover:bg-gray-100 transition-colors"
+                                                >
+                                                    <div className="flex items-start justify-between">
+                                                        <div>
+                                                            <span className="font-medium text-gray-900">{value}</span>
+                                                            <div className="mt-1 text-sm text-gray-600">
+                                                                Appears in rows:
+                                                                <span className="ml-1 text-blue-600 font-medium">
+                                                                    {rows.join(', ')}
+                                                                </span>
+                                                            </div>
+                                                        </div>
+                                                        <span className="text-xs text-gray-500">
+                                                            {rows.length} occurrences
+                                                        </span>
+                                                    </div>
+                                                </div>
+                                            ))}
+                                        </div>
+                                    </div>
+                                );
+                            })}
+                        </div>
+                    )}
+                </>
+            </Modal>
+        </>
+    );
+};
+
+export default ClassroomImportSummary;

src/components/ImportSummaries/Codegen.tsx

@@ -0,0 +1,215 @@
+import React, { useState, useMemo } from 'react';
+import { Card, CardHeader, CardTitle, CardContent } from '@/components/ui/card';
+import {
+    FaCheckCircle,
+    FaTimesCircle,
+    FaExclamationCircle,
+    FaInfoCircle,
+    FaExclamationTriangle
+} from 'react-icons/fa';
+import Modal from '../Modal';
+import ParseExcelErrors from './ExcelError';
+import { errorsByRows, ExcelError } from '@/utils/excel.errors';
+
+interface Props {
+    parsedExcel: { rows?: any[]; errors?: any[] },
+    duplicateRows?: { duplicates: ExcelCodegenDuplicatesMap, count: number },
+    infos: { email: string; name: string; passport_id: string }[];
+}
+
+export interface ExcelCodegenDuplicatesMap {
+	email: Map<string, number[]>;
+	passport_id: Map<string, number[]>;
+}
+
+const CodeGenImportSummary: React.FC<Props> = ({ infos, parsedExcel, duplicateRows }) => {
+    const [showErrorsModal, setShowErrorsModal] = useState(false);
+    const [showDuplicatesModal, setShowDuplicatesModal] = useState(false);
+
+    const errorCount = Object.entries(errorsByRows(parsedExcel.errors as ExcelError[])).length || 0;
+
+    const fieldMapper = {
+        "passport_id": "Passport/National ID",
+        "email": "E-mail"
+    }
+
+    return (
+        <>
+            <Card>
+                <CardHeader>
+                    <CardTitle className='flex justify-center font-semibold text-xl'>Import Summary</CardTitle>
+                </CardHeader>
+                <CardContent>
+                    <div className="space-y-4">
+                        <div className="flex items-center gap-2">
+                            <FaInfoCircle className="h-5 w-5 text-blue-500" />
+                            <span>
+                                {`${parsedExcel.rows?.length} total spreadsheet rows`}
+                                {parsedExcel.rows && parsedExcel.rows.filter(row => row === null).length > 0 && (
+                                    <span className="text-gray-500">
+                                        {` (${parsedExcel.rows.filter(row => row === null).length} empty)`}
+                                    </span>
+                                )}
+                            </span>
+                        </div>
+                        <div className="flex items-center justify-between">
+                            <div className="flex items-center gap-2">
+                                {infos.length > 0 ? (
+                                    <FaCheckCircle className="h-5 w-5 text-green-500" />
+                                ) : (
+                                    <FaTimesCircle className="h-5 w-5 text-red-500" />
+                                )}
+                                <span>{`${infos.length} new code${infos.length > 1 ? "s" : ''} to generate`}</span>
+                            </div>
+                        </div>
+
+                        {(duplicateRows && duplicateRows.count > 0) && (
+                            <div className="flex items-center justify-between">
+                                <div className="flex items-center gap-2">
+                                    <FaExclamationCircle className="h-5 w-5 text-yellow-500" />
+                                    <span>{duplicateRows.count} duplicate entries in file</span>
+                                </div>
+                                <button
+                                    onClick={() => setShowDuplicatesModal(true)}
+                                    className="inline-flex items-center justify-center px-3 py-1.5 text-sm font-medium text-gray-700 hover:text-gray-900 hover:bg-gray-100 rounded-md transition-colors"
+                                >
+                                    View duplicates
+                                </button>
+                            </div>
+                        )}
+
+                        {errorCount > 0 && (
+                            <div className="flex items-center justify-between">
+                                <div className="flex items-center gap-2">
+                                    <FaTimesCircle className="h-5 w-5 text-red-500" />
+                                    <span>{errorCount} invalid rows</span>
+                                </div>
+                                <button
+                                    onClick={() => setShowErrorsModal(true)}
+                                    className="inline-flex items-center justify-center px-3 py-1.5 text-sm font-medium text-gray-700 hover:text-gray-900 hover:bg-gray-100 rounded-md transition-colors"
+                                >
+                                    View errors
+                                </button>
+                            </div>
+                        )}
+                    </div>
+                    {((duplicateRows && duplicateRows.count > 0) || errorCount > 0) && (
+                        <div className="mt-6 rounded-lg border border-red-100 bg-white p-6">
+                            <div className="flex items-start gap-4">
+                                <div className="mt-1">
+                                    <FaExclamationTriangle className="h-5 w-5 text-red-400" />
+                                </div>
+                                <div className="flex-1 space-y-3">
+                                    <p className="font-medium text-gray-900">
+                                        The following will be excluded from import:
+                                    </p>
+                                    <ul className="space-y-4">
+                                        {duplicateRows && duplicateRows.count > 0 && (
+                                            <li>
+                                                <div className="text-gray-700">
+                                                    <span className="font-medium">{duplicateRows.count}</span> rows with duplicate values
+                                                </div>
+                                                <div className="mt-2 space-y-1.5">
+                                                    {(Object.keys(duplicateRows.duplicates) as Array<keyof ExcelCodegenDuplicatesMap>).map(field => {
+                                                        const duplicates = Array.from(duplicateRows.duplicates[field].entries())
+                                                            .filter((entry) => entry[1].length > 1);
+                                                        if (duplicates.length === 0) return null;
+                                                        return (
+                                                            <div key={field} className="ml-4 text-sm text-gray-600">
+                                                                <span className="text-gray-500">{field}:</span> rows {
+                                                                    duplicates.map(([_, rows]) => rows.join(', ')).join('; ')
+                                                                }
+                                                            </div>
+                                                        );
+                                                    })}
+                                                </div>
+                                            </li>
+                                        )}
+                                        {errorCount > 0 && (
+                                            <li>
+                                                <div className="text-gray-700">
+                                                    <span className="font-medium">{errorCount}</span> rows with invalid or missing information
+                                                </div>
+                                                <div className="mt-1 ml-4 text-sm text-gray-600">
+                                                    Rows: {Object.keys(errorsByRows(parsedExcel.errors || [])).join(', ')}
+                                                </div>
+                                            </li>
+                                        )}
+                                    </ul>
+                                </div>
+                            </div>
+                        </div>
+                    )}
+                </CardContent>
+            </Card>
+
+            <Modal isOpen={showErrorsModal} onClose={() => setShowErrorsModal(false)}>
+                <>
+                    <div className="flex items-center gap-2 mb-6">
+                        <FaTimesCircle className="w-5 h-5 text-red-500" />
+                        <h2 className="text-lg font-semibold text-gray-900">Validation Errors</h2>
+                    </div>
+                    <ParseExcelErrors errors={parsedExcel.errors!} />
+                </>
+            </Modal>
+
+            <Modal isOpen={showDuplicatesModal} onClose={() => setShowDuplicatesModal(false)}>
+                <>
+                    <div className="flex items-center gap-2 mb-6">
+                        <FaExclamationCircle className="w-5 h-5 text-amber-500" />
+                        <h2 className="text-lg font-semibold text-gray-900">Duplicate Entries</h2>
+                    </div>
+                    {duplicateRows &&
+                        < div className="space-y-6">
+                            {(Object.keys(duplicateRows.duplicates) as Array<keyof ExcelCodegenDuplicatesMap>).map(field => {
+                                const duplicates = Array.from(duplicateRows!.duplicates[field].entries())
+                                    .filter((entry): entry is [string, number[]] => entry[1].length > 1);
+
+                                if (duplicates.length === 0) return null;
+
+                                return (
+                                    <div key={field} className="relative">
+                                        <div className="flex items-center gap-2 mb-3">
+                                            <h2 className="text-md font-medium text-gray-700">
+                                                {fieldMapper[field]} duplicates
+                                            </h2>
+                                            <span className="text-xs text-gray-500 ml-auto">
+                                                {duplicates.length} {duplicates.length === 1 ? 'duplicate' : 'duplicates'}
+                                            </span>
+                                        </div>
+
+                                        <div className="space-y-2">
+                                            {duplicates.map(([value, rows]) => (
+                                                <div
+                                                    key={value}
+                                                    className="group relative rounded-lg border border-gray-200 bg-gray-50 p-3 hover:bg-gray-100 transition-colors"
+                                                >
+                                                    <div className="flex items-start justify-between">
+                                                        <div>
+                                                            <span className="font-medium text-gray-900">{value}</span>
+                                                            <div className="mt-1 text-sm text-gray-600">
+                                                                Appears in rows:
+                                                                <span className="ml-1 text-blue-600 font-medium">
+                                                                    {rows.join(', ')}
+                                                                </span>
+                                                            </div>
+                                                        </div>
+                                                        <span className="text-xs text-gray-500">
+                                                            {rows.length} occurrences
+                                                        </span>
+                                                    </div>
+                                                </div>
+                                            ))}
+                                        </div>
+                                    </div>
+                                );
+                            })}
+                        </div>
+                    }
+                </>
+            </Modal >
+        </>
+    );
+};
+
+export default CodeGenImportSummary;

src/components/ImportSummaries/User.tsx

@@ -12,16 +12,16 @@ import { UserImport } from '@/interfaces/IUserImport';
 import Modal from '../Modal';
 import ParseExcelErrors from './ExcelError';
 import { errorsByRows, ExcelError } from '@/utils/excel.errors';
-import UserTable from '../UserTable';
+import UserTable from '../Tables/UserTable';
 
 interface Props {
     parsedExcel: { rows?: any[]; errors?: any[] },
     newUsers: UserImport[],
     enlistedUsers: UserImport[],
-    duplicateRows?: { duplicates: DuplicatesMap, count: number }
+    duplicateRows?: { duplicates: ExcelUserDuplicatesMap, count: number }
 }
 
-export interface DuplicatesMap {
+export interface ExcelUserDuplicatesMap {
     studentID: Map<string, number[]>;
     email: Map<string, number[]>;
     passport_id: Map<string, number[]>;
@@ -156,7 +156,7 @@ const UserImportSummary: React.FC<Props> = ({ parsedExcel, newUsers, enlistedUse
                                                     <span className="font-medium">{duplicateRows.count}</span> rows with duplicate values
                                                 </div>
                                                 <div className="mt-2 space-y-1.5">
-                                                    {(Object.keys(duplicateRows.duplicates) as Array<keyof DuplicatesMap>).map(field => {
+                                                    {(Object.keys(duplicateRows.duplicates) as Array<keyof ExcelUserDuplicatesMap>).map(field => {
                                                         const duplicates = Array.from(duplicateRows.duplicates[field].entries())
                                                             .filter((entry) => entry[1].length > 1);
                                                         if (duplicates.length === 0) return null;
@@ -219,7 +219,7 @@ const UserImportSummary: React.FC<Props> = ({ parsedExcel, newUsers, enlistedUse
                     </div>
                     {duplicateRows &&
                         < div className="space-y-6">
-                            {(Object.keys(duplicateRows.duplicates) as Array<keyof DuplicatesMap>).map(field => {
+                            {(Object.keys(duplicateRows.duplicates) as Array<keyof ExcelUserDuplicatesMap>).map(field => {
                                 const duplicates = Array.from(duplicateRows!.duplicates[field].entries())
                                     .filter((entry): entry is [string, number[]] => entry[1].length > 1);
 

src/components/Imports/StudentClassroomTransfer.tsx

@@ -0,0 +1,566 @@
+import { useEffect, useState } from "react";
+import Button from "../Low/Button";
+import Modal from "../Modal";
+import { useFilePicker } from "use-file-picker";
+import readXlsxFile from "read-excel-file";
+import countryCodes from "country-codes-list";
+import { ExcelUserDuplicatesMap } from "../ImportSummaries/User";
+import { UserImport } from "@/interfaces/IUserImport";
+import axios from "axios";
+import { toast } from "react-toastify";
+import { HiOutlineDocumentText } from "react-icons/hi";
+import { IoInformationCircleOutline } from "react-icons/io5";
+import { FaFileDownload } from "react-icons/fa";
+import clsx from "clsx";
+import { checkAccess } from "@/utils/permissions";
+import { Group, User } from "@/interfaces/user";
+import UserTable from "../Tables/UserTable";
+import ClassroomImportSummary from "../ImportSummaries/Classroom";
+import Select from "../Low/Select";
+import { EntityWithRoles } from "@/interfaces/entity";
+
+
+const EMAIL_REGEX = new RegExp(/^[a-zA-Z0-9]+(?:\.[a-zA-Z0-9]+)*@[a-zA-Z0-9]+(?:\.[a-zA-Z0-9]+)*$/);
+
+export interface ClassroomTransferState {
+    stage: number;
+    parsedExcel: { rows?: any[]; errors?: any[] } | undefined;
+    duplicatedRows: { duplicates: ExcelUserDuplicatesMap, count: number } | undefined;
+    imports: UserImport[];
+    notFoundUsers: UserImport[];
+    otherEntityUsers: UserImport[];
+    alreadyInClass: UserImport[];
+    notOwnedClassrooms: string[];
+    classroomsToCreate: string[];
+}
+
+
+const StudentClassroomTransfer: React.FC<{ user: User; entities?: EntityWithRoles[], onFinish: () => void; }> = ({ user, entities = [], onFinish }) => {
+    const [isLoading, setIsLoading] = useState(false);
+    const [entity, setEntity] = useState((entities || [])[0]?.id || undefined);
+    const [showHelp, setShowHelp] = useState(false);
+
+    const [classroomTransferState, setClassroomTransferState] = useState<ClassroomTransferState>({
+        stage: 0,
+        parsedExcel: undefined,
+        duplicatedRows: undefined,
+        imports: [],
+        notFoundUsers: [],
+        otherEntityUsers: [],
+        alreadyInClass: [],
+        notOwnedClassrooms: [],
+        classroomsToCreate: []
+    })
+
+    const { openFilePicker, filesContent, clear } = useFilePicker({
+        accept: ".xlsx",
+        multiple: false,
+        readAs: "ArrayBuffer",
+    });
+
+    const schema = {
+        'First Name': {
+            prop: 'firstName',
+            type: String,
+            required: true,
+            validate: (value: string) => {
+                if (!value || value.trim() === '') {
+                    throw new Error('First Name cannot be empty')
+                }
+                return true
+            }
+        },
+        'Last Name': {
+            prop: 'lastName',
+            type: String,
+            required: true,
+            validate: (value: string) => {
+                if (!value || value.trim() === '') {
+                    throw new Error('Last Name cannot be empty')
+                }
+                return true
+            }
+        },
+        'Student ID': {
+            prop: 'studentID',
+            type: String,
+            required: true,
+            validate: (value: string) => {
+                if (!value || value.trim() === '') {
+                    throw new Error('Student ID cannot be empty')
+                }
+                return true
+            }
+        },
+        'Passport/National ID': {
+            prop: 'passport_id',
+            type: String,
+            required: true,
+            validate: (value: string) => {
+                if (!value || value.trim() === '') {
+                    throw new Error('Passport/National ID cannot be empty')
+                }
+                return true
+            }
+        },
+        'E-mail': {
+            prop: 'email',
+            required: true,
+            type: (value: any) => {
+                if (!value || value.trim() === '') {
+                    throw new Error('Email cannot be empty')
+                }
+                if (!EMAIL_REGEX.test(value.trim())) {
+                    throw new Error('Invalid Email')
+                }
+                return value
+            }
+        },
+        'Phone Number': {
+            prop: 'phone',
+            type: Number,
+            required: true,
+            validate: (value: number) => {
+                if (value === null || value === undefined || String(value).trim() === '') {
+                    throw new Error('Phone Number cannot be empty')
+                }
+                return true
+            }
+        },
+        'Classroom Name': {
+            prop: 'group',
+            type: String,
+            required: true,
+            validate: (value: string) => {
+                if (!value || value.trim() === '') {
+                    throw new Error('Classroom Name cannot be empty')
+                }
+                return true
+            }
+        },
+        'Country': {
+            prop: 'country',
+            type: (value: any) => {
+                if (!value || value.trim() === '') {
+                    throw new Error('Country cannot be empty')
+                }
+                const validCountry = countryCodes.findOne("countryCode" as any, value.toUpperCase()) ||
+                    countryCodes.all().find((x) => x.countryNameEn.toLowerCase() === value.toLowerCase());
+                if (!validCountry) {
+                    throw new Error('Invalid Country/Country Code')
+                }
+                return validCountry;
+            },
+            required: true
+        }
+    }
+
+    useEffect(() => {
+        if (filesContent.length > 0) {
+            const file = filesContent[0];
+            readXlsxFile(
+                file.content, { schema, ignoreEmptyRows: false })
+                .then((data) => {
+                    setClassroomTransferState((prev) => ({...prev, parsedExcel: data}))
+                    console.log(data);
+                });
+            
+        }
+        // eslint-disable-next-line react-hooks/exhaustive-deps
+    }, [filesContent]);
+
+    // Stage 1 - Excel Parsing
+    // - Find duplicate rows
+    // - Parsing errors 
+    // - Set the data
+    useEffect(() => {
+        if (classroomTransferState.parsedExcel && classroomTransferState.parsedExcel.rows) {
+            const duplicates: ExcelUserDuplicatesMap = {
+                studentID: new Map(),
+                email: new Map(),
+                passport_id: new Map(),
+                phone: new Map()
+            };
+            const duplicateValues = new Set<string>();
+            const duplicateRowIndices = new Set<number>();
+
+            const errorRowIndices = new Set(
+                classroomTransferState.parsedExcel.errors?.map(error => error.row) || []
+            );
+
+            classroomTransferState.parsedExcel.rows.forEach((row, index) => {
+                if (!errorRowIndices.has(index + 2)) {
+                    (Object.keys(duplicates) as Array<keyof ExcelUserDuplicatesMap>).forEach(field => {
+                        if (row !== null) {
+                            const value = row[field];
+                            if (value) {
+                                if (!duplicates[field].has(value)) {
+                                    duplicates[field].set(value, [index + 2]);
+                                } else {
+                                    const existingRows = duplicates[field].get(value);
+                                    if (existingRows) {
+                                        existingRows.push(index + 2);
+                                        duplicateValues.add(value);
+                                        existingRows.forEach(rowNum => duplicateRowIndices.add(rowNum));
+                                    }
+                                }
+                            }
+                        }
+                    });
+                }
+            });
+
+            const infos = classroomTransferState.parsedExcel.rows
+                .map((row, index) => {
+                    if (errorRowIndices.has(index + 2) || duplicateRowIndices.has(index + 2) || row === null) {
+                        return undefined;
+                    }
+                    const { firstName, lastName, studentID, passport_id, email, phone, group, country } = row;
+                    if (!email || !EMAIL_REGEX.test(email.toString().trim())) {
+                        return undefined;
+                    }
+
+                    return {
+                        email: email.toString().trim().toLowerCase(),
+                        name: `${firstName ?? ""} ${lastName ?? ""}`.trim(),
+                        passport_id: passport_id?.toString().trim() || undefined,
+                        groupName: group,
+                        studentID,
+                        demographicInformation: {
+                            country: country?.countryCode,
+                            passport_id: passport_id?.toString().trim() || undefined,
+                            phone: phone.toString(),
+                        },
+                        entity: undefined,
+                        type: undefined
+                    } as UserImport;
+                })
+                .filter((item): item is UserImport => item !== undefined);
+            console.log(infos);
+
+            // On import reset state except excel parsing
+            setClassroomTransferState((prev) => ({
+                ...prev,
+                stage: 1,
+                duplicatedRows: { duplicates, count: duplicateRowIndices.size },
+                imports: infos,
+                notFoundUsers: [],
+                otherEntityUsers: [],
+                notOwnedClassrooms: [],
+                classroomsToCreate: [],
+            }));
+        }
+    }, [classroomTransferState.parsedExcel]);
+
+    // Stage 2 - Student Filter
+    //  - Filter non existant students
+    //  - Filter non entity students
+    //  - Filter already in classroom students
+    useEffect(() => {
+        const emails = classroomTransferState.imports.map((i) => i.email);
+        const crossRefUsers = async () => {
+            try {
+                console.log(user.entities);
+                const { data: nonExistantUsers } = await axios.post("/api/users/controller?op=dontExist", { emails });
+                const { data: nonEntityUsers } = await axios.post("/api/users/controller?op=entityCheck", { entities: user.entities, emails });
+                const { data: alreadyPlaced } = await axios.post("/api/users/controller?op=crossRefClassrooms", {
+                    sets: classroomTransferState.imports.map((info) => ({
+                        email: info.email,
+                        classroom: info.groupName
+                    }))
+                });
+
+                const excludeEmails = new Set([
+                    ...nonExistantUsers,
+                    ...nonEntityUsers,
+                    ...alreadyPlaced
+                ]);
+
+                const filteredImports = classroomTransferState.imports.filter(i => !excludeEmails.has(i.email));
+
+                const nonExistantEmails = new Set(nonExistantUsers);
+                const nonEntityEmails = new Set(nonEntityUsers);
+                const alreadyPlacedEmails = new Set(alreadyPlaced);
+
+                setClassroomTransferState((prev) => ({
+                    ...prev,
+                    stage: 2,
+                    imports: filteredImports,
+                    notFoundUsers: classroomTransferState.imports.filter(i => nonExistantEmails.has(i.email)),
+                    otherEntityUsers: classroomTransferState.imports.filter(i => nonEntityEmails.has(i.email)),
+                    alreadyInClass: classroomTransferState.imports.filter(i => alreadyPlacedEmails.has(i.email)),
+                }));
+            } catch (error) {
+                toast.error("Something went wrong, please try again later!");
+            }
+        }
+
+        if (classroomTransferState.imports.length > 0 && classroomTransferState.stage === 1) {
+            crossRefUsers();
+        }
+
+    }, [classroomTransferState.imports, user.entities, classroomTransferState.stage])
+
+    // Stage 3 - Classroom Filter
+    //  - See if there are classrooms with same name but different admin
+    //  - Find which new classrooms need to be created
+    useEffect(() => {
+        const crossRefClassrooms = async () => {
+            const classrooms = new Set(classroomTransferState.imports.map((i) => i.groupName));
+
+            try {
+                const { data: notOwnedClassroomsSameName } = await axios.post("/api/groups/controller?op=crossRefOwnership", {
+                    userId: user.id,
+                    classrooms
+                });
+
+                setClassroomTransferState((prev) => ({
+                    ...prev,
+                    stage: 3,
+                    notOwnedClassrooms: notOwnedClassroomsSameName,
+                    classroomsToCreate: Array.from(classrooms).filter(
+                        (name) => !new Set(notOwnedClassroomsSameName).has(name)
+                    )
+                }))
+            } catch (error) {
+                toast.error("Something went wrong, please try again later!");
+            }
+        };
+        if (classroomTransferState.imports.length > 0 && classroomTransferState.stage === 2) {
+            crossRefClassrooms();
+        }
+    }, [classroomTransferState.imports, classroomTransferState.stage, user.id])
+
+
+    const clearAndReset = () => {
+        setIsLoading(false);
+        setClassroomTransferState({
+            stage: 0,
+            parsedExcel: undefined,
+            duplicatedRows: undefined,
+            imports: [],
+            notFoundUsers: [],
+            otherEntityUsers: [],
+            alreadyInClass: [],
+            notOwnedClassrooms: [],
+            classroomsToCreate: []
+        });
+        clear();
+    };
+
+
+    const createNewGroupsAndAssignStudents = async () => {
+        if (!confirm(`You are about to assign ${classroomTransferState.imports.length} to new classrooms, are you sure you want to continue?`)) {
+            return;
+        }
+
+        if (classroomTransferState.imports.length === 0) {
+            clearAndReset();
+            return;
+        }
+
+        try {
+            setIsLoading(true);
+
+            const groupedUsers = classroomTransferState.imports.reduce((acc, user) => {
+                if (!acc[user.groupName]) {
+                    acc[user.groupName] = [];
+                }
+                acc[user.groupName].push(user);
+                return acc;
+            }, {} as Record<string, UserImport[]>);
+
+            const newGroupUsers = Object.fromEntries(
+                Object.entries(groupedUsers)
+                    .filter(([groupName]) => classroomTransferState.classroomsToCreate.includes(groupName))
+            );
+
+            const createGroupPromises = Object.entries(newGroupUsers).map(([groupName, users]) => {
+                const groupData: Partial<Group> = {
+                    admin: user.id,
+                    name: groupName,
+                    participants: users.map(user => user.id),
+                    entity: entity
+                };
+                return axios.post('/api/groups', groupData);
+            });
+
+            const existingGroupUsers = Object.fromEntries(
+                Object.entries(groupedUsers)
+                    .filter(([groupName]) => !classroomTransferState.classroomsToCreate.includes(groupName))
+            );
+
+            const { groups: groupNameToId, users: userEmailToId } = await axios.post('/api/groups?op=getIds', {
+                names: Object.keys(existingGroupUsers),
+                userEmails: Object.values(existingGroupUsers).flat().map(user => user.email)
+            }).then(response => response.data);
+
+            const existingGroupsWithIds = Object.entries(existingGroupUsers).reduce((acc, [groupName, users]) => {
+                acc[groupNameToId[groupName]] = users;
+                return acc;
+            }, {} as Record<string, any[]>);
+
+            const updatePromises = Object.entries(existingGroupsWithIds).map(([groupId, users]) => {
+                const userIds = users.map(user => userEmailToId[user.email]);
+                return axios.patch(`/api/groups/${groupId}`, {
+                    participants: userIds
+                });
+            });
+            
+            await Promise.all([
+                ...createGroupPromises,
+                ...updatePromises
+            ]);
+
+            toast.success(`Successfully assigned all ${classroomTransferState.imports.length} user(s)!`);
+            onFinish();
+        } catch (error) {
+            console.error(error);
+            toast.error("Something went wrong, please try again later!");
+        } finally {
+            clearAndReset();
+        }
+    };
+
+    const handleTemplateDownload = () => {
+        const fileName = "UsersTemplate.xlsx";
+        const url = `https://firebasestorage.googleapis.com/v0/b/encoach-staging.appspot.com/o/import_templates%2F${fileName}?alt=media&token=b771a535-bf95-4060-889c-a086df65d480`;
+
+        const link = document.createElement('a');
+        link.href = url;
+
+        link.download = fileName;
+
+        document.body.appendChild(link);
+        link.click();
+        document.body.removeChild(link);
+    };
+
+    return (
+        <>
+            <Modal isOpen={showHelp} onClose={() => setShowHelp(false)}>
+                <>
+                    <div className="flex font-bold text-xl justify-center text-gray-700"><span>Excel File Format</span></div>
+                    <div className="mt-4 flex flex-col gap-4">
+                        <div className="flex flex-col gap-3 bg-gray-100 rounded-lg p-4">
+                            <div className="flex items-center gap-2">
+                                <HiOutlineDocumentText className={`w-5 h-5 text-mti-purple-light`} />
+                                <h2 className="text-lg font-semibold">
+                                    The uploaded document must:
+                                </h2>
+                            </div>
+                            <ul className="flex flex-col pl-10 gap-2">
+                                <li className="text-gray-700 list-disc">
+                                    be an Excel .xlsx document.
+                                </li>
+                                <li className="text-gray-700 list-disc">
+                                    only have a single spreadsheet with the following <b>exact same name</b> columns:
+                                    <div className="py-4 pr-4">
+                                        <table className="w-full bg-white">
+                                            <thead>
+                                                <tr>
+                                                    <th className="border border-neutral-200 px-2 py-1">First Name</th>
+                                                    <th className="border border-neutral-200 px-2 py-1">Last Name</th>
+                                                    <th className="border border-neutral-200 px-2 py-1">Student ID</th>
+                                                    <th className="border border-neutral-200 px-2 py-1">Passport/National ID</th>
+                                                    <th className="border border-neutral-200 px-2 py-1">E-mail</th>
+                                                    <th className="border border-neutral-200 px-2 py-1">Phone Number</th>
+                                                    <th className="border border-neutral-200 px-2 py-1">Classroom Name</th>
+                                                    <th className="border border-neutral-200 px-2 py-1">Country</th>
+                                                </tr>
+                                            </thead>
+                                        </table>
+                                    </div>
+                                </li>
+                            </ul>
+                        </div>
+                        <div className="flex flex-col gap-3 bg-gray-100 rounded-lg p-4">
+                            <div className="flex items-center gap-2">
+                                <IoInformationCircleOutline className={`w-5 h-5 text-mti-purple-light`} />
+                                <h2 className="text-lg font-semibold">
+                                    Note that:
+                                </h2>
+                            </div>
+                            <ul className="flex flex-col pl-10 gap-2">
+                                <li className="text-gray-700 list-disc">
+                                    all incorrect e-mails will be ignored.
+                                </li>
+                                <li className="text-gray-700 list-disc">
+                                    all non registered users will be ignored.
+                                </li>
+                                <li className="text-gray-700 list-disc">
+                                    all students that already are present in the destination classroom will be ignored.
+                                </li>
+                                <li className="text-gray-700 list-disc">
+                                    all registered students that are not associated to your institution will be ignored.
+                                </li>
+                                <li className="text-gray-700 list-disc">
+                                    all rows which contain duplicate values in the columns: &quot;Student ID&quot;, &quot;Passport/National ID&quot;, &quot;E-mail&quot;, will be ignored.
+                                </li>
+                            </ul>
+                        </div>
+                        <div className="bg-gray-100 rounded-lg p-4">
+                            <p className="text-gray-600">
+                                {`The downloadable template is an example of a file that can be imported. Your document doesn't need to be a carbon copy of the template - it can have different styling but it must adhere to the previous requirements.`}
+                            </p>
+                        </div>
+                        <div className="w-full flex justify-between mt-6 gap-8">
+                            <Button color="purple" onClick={() => setShowHelp(false)} variant="outline" className="self-end w-full bg-white">
+                                Close
+                            </Button>
+
+                            <Button color="purple" onClick={handleTemplateDownload} variant="solid" className="self-end w-full">
+                                <div className="flex items-center gap-2">
+                                    <FaFileDownload size={24} />
+                                    Download Template
+                                </div>
+                            </Button>
+                        </div>
+                    </div>
+                </>
+            </Modal>
+            <div className="border-mti-gray-platinum flex flex-col gap-4 rounded-xl border p-4">
+                <div className="grid grid-cols-2 -md:grid-cols-1 gap-4">
+                    <div className="flex flex-col gap-4">
+                        <div className="flex items-end justify-between">
+                            <label className="text-mti-gray-dim text-base font-normal">Choose an Excel file</label>
+                            <button
+                                onClick={() => setShowHelp(true)}
+                                className="tooltip cursor-pointer p-1.5 hover:bg-gray-200 rounded-full transition-colors duration-200"
+                                data-tip="Excel File Format"
+                            >
+                                <IoInformationCircleOutline size={24} />
+                            </button>
+                        </div>
+                        <Button onClick={openFilePicker} isLoading={isLoading} disabled={isLoading}>
+                            {filesContent.length > 0 ? filesContent[0].name : "Choose a file"}
+                        </Button>
+                    </div>
+                    <div className={clsx("flex flex-col gap-4")}>
+						<label className="font-normal text-base text-mti-gray-dim">Entity</label>
+						<Select
+							defaultValue={{ value: (entities || [])[0]?.id, label: (entities || [])[0]?.label }}
+							options={entities.map((e) => ({ value: e.id, label: e.label }))}
+							onChange={(e) => setEntity(e?.value || undefined)}
+							isClearable={checkAccess(user, ["admin", "developer"])}
+						/>
+					</div>
+                </div>
+                {classroomTransferState.parsedExcel?.rows !== undefined && (
+                    <ClassroomImportSummary state={classroomTransferState} />
+                )}
+                {classroomTransferState.imports.length !== 0 && (
+                    <div className="flex w-full flex-col gap-4">
+                        <span className="text-mti-gray-dim text-base font-normal">New Classroom Assignments:</span>
+                        <UserTable users={classroomTransferState.imports} />
+                    </div>
+                )}
+                <Button className="my-auto mt-4" onClick={createNewGroupsAndAssignStudents} disabled={classroomTransferState.imports.length === 0}>
+                    Assign {classroomTransferState.imports.length !== 0 ? `${classroomTransferState.imports.length} user${classroomTransferState.imports.length > 1 ? 's' : ''}` : ''} to {`${new Set(classroomTransferState.imports.map((i) => i.groupName)).size} classrooms`}
+                </Button>
+            </div>
+        </>
+    );
+}
+
+export default StudentClassroomTransfer;

src/components/Tables/CodeGenTable.tsx

@@ -0,0 +1,180 @@
+import React, { useState } from 'react';
+import {
+  createColumnHelper,
+  flexRender,
+  getCoreRowModel,
+  useReactTable,
+  getPaginationRowModel,
+  getSortedRowModel,
+  getFilteredRowModel,
+  FilterFn,
+} from '@tanstack/react-table';
+
+interface CodeInfo { email: string; name: string; passport_id: string }
+
+const globalFilterFn: FilterFn<any> = (row, columnId, filterValue: string) => {
+  const value = row.getValue(columnId);
+  return String(value).toLowerCase().includes(filterValue.toLowerCase());
+};
+
+const columnHelper = createColumnHelper<CodeInfo>();
+
+const columns = [
+  columnHelper.accessor('name', {
+    cell: info => info.getValue(),
+    header: () => 'Name',
+  }),
+  columnHelper.accessor('passport_id', {
+    cell: info => info.getValue(),
+    header: () => 'Passport/National ID',
+  }),
+  columnHelper.accessor('email', {
+    cell: info => info.getValue(),
+    header: () => 'E-mail',
+  }),
+];
+
+
+const CodegenTable: React.FC<{ infos: CodeInfo[]; }> = ({ infos }) => {
+  const [globalFilter, setGlobalFilter] = useState('');
+
+  const table = useReactTable({
+    data: infos,
+    columns,
+    getCoreRowModel: getCoreRowModel(),
+    getPaginationRowModel: getPaginationRowModel(),
+    getSortedRowModel: getSortedRowModel(),
+    getFilteredRowModel: getFilteredRowModel(),
+    globalFilterFn: globalFilterFn,
+    state: {
+      globalFilter,
+    },
+    onGlobalFilterChange: setGlobalFilter,
+    initialState: {
+      pagination: {
+        pageSize: 5,
+      },
+    }
+  });
+
+  return (
+    <div className='flex flex-col'>
+      <div className="flex flew-row w-full mb-4 justify-between gap-4">
+        <input
+          type="text"
+          value={globalFilter ?? ''}
+          onChange={e => setGlobalFilter(e.target.value)}
+          placeholder="Search ..."
+          className="p-2 border rounded flex-grow"
+        />
+        <select
+          value={table.getState().pagination.pageSize}
+          onChange={e => {
+            table.setPageSize(Number(e.target.value));
+          }}
+          className="p-2 border rounded"
+        >
+          {[5, 10, 15, 20].map(pageSize => (
+            <option key={pageSize} value={pageSize}>
+              Show {pageSize}
+            </option>
+          ))}
+        </select>
+      </div>
+      <table className="w-full">
+        <thead>
+          {table.getHeaderGroups().map(headerGroup => (
+            <tr key={headerGroup.id}>
+              {headerGroup.headers.map(header => (
+                <th
+                  key={header.id}
+                  className='bg-mti-purple-ultralight/80 first:rounded-tl-3xl last:rounded-tr-3xl py-4 first:pl-6 text-mti-purple-light cursor-pointer'
+                  onClick={header.column.getToggleSortingHandler()}
+                >
+                  {header.isPlaceholder ? null : (
+                    <div className='flex flex-row justify-between'>
+                      <span>
+                        {flexRender(
+                          header.column.columnDef.header,
+                          header.getContext()
+                        )}
+                      </span>
+                      <span className='pr-6'>
+                        {{
+                          asc: ' 🔼',
+                          desc: ' 🔽',
+                        }[header.column.getIsSorted() as string] ?? null}
+                      </span>
+                    </div>
+                  )}
+                </th>
+              ))}
+            </tr>
+          ))}
+        </thead>
+        <tbody>
+          {table.getRowModel().rows.map((row, index, array) => {
+            const isLastRow = index === array.length - 1;
+            return (
+              <tr key={row.id}>
+                {row.getVisibleCells().map((cell) => {
+                  return (
+                    <td
+                      key={cell.id}
+                      className={
+                        isLastRow
+                          ? `first:rounded-bl-3xl last:rounded-br-3xl py-4 first:pl-6 bg-mti-purple-ultralight/40`
+                          : `first:pl-6 py-4 border-b bg-mti-purple-ultralight/40`
+                      }
+                    >
+                      {flexRender(cell.column.columnDef.cell, cell.getContext())}
+                    </td>
+                  );
+                })}
+              </tr>
+            );
+          })}
+        </tbody>
+      </table>
+      <div className="mt-4 flex items-center gap-4 mx-auto">
+        <button
+          onClick={() => table.setPageIndex(0)}
+          disabled={!table.getCanPreviousPage()}
+          className="px-4 py-2 bg-mti-purple-light text-white rounded disabled:opacity-50"
+        >
+          {'<<'}
+        </button>
+        <button
+          onClick={() => table.previousPage()}
+          disabled={!table.getCanPreviousPage()}
+          className="px-4 py-2 bg-mti-purple-light text-white rounded disabled:opacity-50"
+        >
+          {'<'}
+        </button>
+        <span>
+          Page{' '}
+          <strong>
+            {table.getState().pagination.pageIndex + 1} of{' '}
+            {table.getPageCount()}
+          </strong>
+        </span>
+        <button
+          onClick={() => table.nextPage()}
+          disabled={!table.getCanNextPage()}
+          className="px-4 py-2 bg-mti-purple-light text-white rounded disabled:opacity-50"
+        >
+          {'>'}
+        </button>
+        <button
+          onClick={() => table.setPageIndex(table.getPageCount() - 1)}
+          disabled={!table.getCanNextPage()}
+          className="px-4 py-2 bg-mti-purple-light text-white rounded disabled:opacity-50"
+        >
+          {'>>'}
+        </button>
+      </div>
+    </div>
+  );
+};
+
+export default CodegenTable;

src/components/Tables/UserTable.tsx

@@ -9,7 +9,7 @@ import {
   getFilteredRowModel,
   FilterFn,
 } from '@tanstack/react-table';
-import { UserImport } from "../interfaces/IUserImport";
+import { UserImport } from "../../interfaces/IUserImport";
 
 const globalFilterFn: FilterFn<any> = (row, columnId, filterValue: string) => {
   const value = row.getValue(columnId);

src/components/Waveform.tsx

@@ -1,15 +1,20 @@
+import { Switch } from "@headlessui/react";
+import clsx from "clsx";
 import React, { useEffect, useRef, useState } from "react";
 import { BsPauseFill, BsPlayFill, BsScissors, BsTrash } from "react-icons/bs";
+import { MdAllInclusive } from "react-icons/md";
+import { BsFillFileEarmarkMusicFill } from "react-icons/bs";
 import WaveSurfer from "wavesurfer.js";
 // @ts-ignore
 import RegionsPlugin from 'wavesurfer.js/dist/plugin/wavesurfer.regions.min.js';
+import { toast } from "react-toastify";
 
 interface Props {
   audio: string;
   waveColor: string;
   progressColor: string;
   variant?: 'exercise' | 'edit';
-  onCutsChange?: (cuts: AudioCut[]) => void;
+  setAudioUrl?: React.Dispatch<React.SetStateAction<string | undefined>>; 
 }
 
 interface AudioCut {
@@ -23,14 +28,32 @@ const Waveform = ({
   waveColor,
   progressColor,
   variant = 'exercise',
-  onCutsChange
+  setAudioUrl
 }: Props) => {
   const containerRef = useRef(null);
+  const previewContainerRef = useRef(null);
   const waveSurferRef = useRef<WaveSurfer | null>(null);
+  const previewWaveSurferRef = useRef<WaveSurfer | null>(null);
+  const audioContextRef = useRef<AudioContext | null>(null);
   const [isPlaying, setIsPlaying] = useState(false);
-  const [cuts, setCuts] = useState<AudioCut[]>([]);
+  const [isPreviewPlaying, setIsPreviewPlaying] = useState(false);
-  const [currentRegion, setCurrentRegion] = useState<any | null>(null);
+  const [currentCut, setCurrentCut] = useState<AudioCut | null>(null);
   const [duration, setDuration] = useState<number>(0);
+  const [isProcessing, setIsProcessing] = useState(false);
+  const [cutAudioUrl, setCutAudioUrl] = useState<string | null>(null);
+  const [useFullAudio, setUseFullAudio] = useState(true);
+
+  const cleanupPreview = () => {
+    if (cutAudioUrl) {
+      URL.revokeObjectURL(cutAudioUrl);
+      setCutAudioUrl(null);
+    }
+    if (previewWaveSurferRef.current) {
+      previewWaveSurferRef.current.destroy();
+      previewWaveSurferRef.current = null;
+    }
+    setIsPreviewPlaying(false);
+  };
 
   useEffect(() => {
     const waveSurfer = WaveSurfer.create({
@@ -67,51 +90,183 @@ const Waveform = ({
     waveSurfer.on("finish", () => setIsPlaying(false));
 
     if (variant === 'edit') {
-
       waveSurfer.on('region-created', (region) => {
-        setCurrentRegion(region);
+        const regions = waveSurfer.regions.list;
+        Object.keys(regions).forEach(id => {
+          if (id !== region.id) {
+            regions[id].remove();
+          }
+        });
+        cleanupPreview();
+
         const newCut: AudioCut = {
           id: region.id,
           start: region.start,
           end: region.end
         };
-        setCuts(prev => [...prev, newCut]);
+        setCurrentCut(newCut);
-        onCutsChange?.([...cuts, newCut]);
       });
 
-
       waveSurfer.on('region-updated', (region) => {
-        setCuts(prev => prev.map(cut => 
+        const updatedCut: AudioCut = {
-          cut.id === region.id 
+          id: region.id,
-            ? { ...cut, start: region.start, end: region.end }
+          start: region.start,
-            : cut
+          end: region.end
-        ));
+        };
-        onCutsChange?.(cuts.map(cut => 
+        setCurrentCut(updatedCut);
-          cut.id === region.id 
+        cleanupPreview();
-            ? { ...cut, start: region.start, end: region.end }
-            : cut
-        ));
       });
     }
 
     return () => {
       waveSurfer.destroy();
+      cleanupPreview();
+      if (audioContextRef.current?.state !== 'closed') {
+        audioContextRef.current?.close();
+      }
     };
-
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [audio, progressColor, waveColor, variant]);
 
+  useEffect(() => {
+    if (cutAudioUrl && previewContainerRef.current) {
+      const previewWaveSurfer = WaveSurfer.create({
+        container: previewContainerRef.current,
+        responsive: true,
+        cursorWidth: 0,
+        height: 48,
+        waveColor,
+        progressColor,
+        barGap: 5,
+        barWidth: 8,
+        barRadius: 4,
+        fillParent: true,
+        hideScrollbar: true,
+        normalize: true,
+        autoCenter: true,
+        barMinHeight: 4,
+      });
+
+      previewWaveSurfer.load(cutAudioUrl);
+      previewWaveSurfer.on("finish", () => setIsPreviewPlaying(false));
+      previewWaveSurferRef.current = previewWaveSurfer;
+
+      return () => {
+        previewWaveSurfer.destroy();
+        previewWaveSurferRef.current = null;
+      };
+    }
+  }, [cutAudioUrl, waveColor, progressColor]);
+
   const handlePlayPause = () => {
     setIsPlaying(prev => !prev);
     waveSurferRef.current?.playPause();
   };
 
-  const handleDeleteRegion = (cutId: string) => {
+  const handlePreviewPlayPause = () => {
-    const region = waveSurferRef.current?.regions?.list[cutId];
+    setIsPreviewPlaying(prev => !prev);
-    if (region) {
+    previewWaveSurferRef.current?.playPause();
-      region.remove();
+  };
-      setCuts(prev => prev.filter(cut => cut.id !== cutId));
+
-      onCutsChange?.(cuts.filter(cut => cut.id !== cutId));
+  const handleDeleteRegion = () => {
+    if (currentCut && waveSurferRef.current?.regions?.list[currentCut.id]) {
+      waveSurferRef.current.regions.list[currentCut.id].remove();
+      setCurrentCut(null);
+      cleanupPreview();
+    }
+  };
+
+  const applyCuts = async () => {
+    if (!waveSurferRef.current || !currentCut) return;
+
+    setIsProcessing(true);
+    try {
+      if (!audioContextRef.current) {
+        audioContextRef.current = new AudioContext();
+      }
+
+      const response = await fetch(audio);
+      const arrayBuffer = await response.arrayBuffer();
+      const originalBuffer = await audioContextRef.current.decodeAudioData(arrayBuffer);
+
+      const duration = currentCut.end - currentCut.start;
+      const newBuffer = audioContextRef.current.createBuffer(
+        originalBuffer.numberOfChannels,
+        Math.ceil(audioContextRef.current.sampleRate * duration),
+        audioContextRef.current.sampleRate
+      );
+
+      for (let channel = 0; channel < originalBuffer.numberOfChannels; channel++) {
+        const newChannelData = newBuffer.getChannelData(channel);
+        const originalChannelData = originalBuffer.getChannelData(channel);
+
+        const startSample = Math.floor(currentCut.start * audioContextRef.current.sampleRate);
+        const endSample = Math.floor(currentCut.end * audioContextRef.current.sampleRate);
+        const cutLength = endSample - startSample;
+
+        for (let i = 0; i < cutLength; i++) {
+          newChannelData[i] = originalChannelData[startSample + i];
+        }
+      }
+
+      const offlineContext = new OfflineAudioContext(
+        newBuffer.numberOfChannels,
+        newBuffer.length,
+        newBuffer.sampleRate
+      );
+
+      const source = offlineContext.createBufferSource();
+      source.buffer = newBuffer;
+      source.connect(offlineContext.destination);
+      source.start();
+
+      const renderedBuffer = await offlineContext.startRendering();
+
+      const wavBlob = await new Promise<Blob>((resolve) => {
+        const numberOfChannels = renderedBuffer.numberOfChannels;
+        const length = renderedBuffer.length * numberOfChannels * 2;
+        const buffer = new ArrayBuffer(44 + length);
+        const view = new DataView(buffer);
+
+        writeString(view, 0, 'RIFF');
+        view.setUint32(4, 36 + length, true);
+        writeString(view, 8, 'WAVE');
+        writeString(view, 12, 'fmt ');
+        view.setUint32(16, 16, true);
+        view.setUint16(20, 1, true);
+        view.setUint16(22, numberOfChannels, true);
+        view.setUint32(24, renderedBuffer.sampleRate, true);
+        view.setUint32(28, renderedBuffer.sampleRate * numberOfChannels * 2, true);
+        view.setUint16(32, numberOfChannels * 2, true);
+        view.setUint16(34, 16, true);
+        writeString(view, 36, 'data');
+        view.setUint32(40, length, true);
+
+        let offset = 44;
+        for (let i = 0; i < renderedBuffer.length; i++) {
+          for (let channel = 0; channel < numberOfChannels; channel++) {
+            const sample = renderedBuffer.getChannelData(channel)[i];
+            view.setInt16(offset, sample < 0 ? sample * 0x8000 : sample * 0x7FFF, true);
+            offset += 2;
+          }
+        }
+
+        resolve(new Blob([buffer], { type: 'audio/wav' }));
+      });
+
+      const newUrl = URL.createObjectURL(wavBlob);
+
+      if (cutAudioUrl) {
+        URL.revokeObjectURL(cutAudioUrl);
+      }
+      setCutAudioUrl(newUrl);
+      setUseFullAudio(false);
+      setAudioUrl?.(newUrl);
+
+    } catch (error) {
+      console.error('Error applying cuts:', error);
+    } finally {
+      setIsProcessing(false);
     }
   };
 
@@ -121,8 +276,24 @@ const Waveform = ({
     return `${minutes}:${seconds.toString().padStart(2, '0')}`;
   };
 
+  const writeString = (view: DataView, offset: number, string: string) => {
+    for (let i = 0; i < string.length; i++) {
+      view.setUint8(offset + i, string.charCodeAt(i));
+    }
+  };
+
+  const switchAudio = () => {
+    if (!cutAudioUrl) {
+      toast.info("Apply an audio cut first!");
+    } else {
+      setUseFullAudio(!useFullAudio);
+      setAudioUrl?.(useFullAudio ? audio : cutAudioUrl!)
+    }
+  }
+
   return (
     <div className="space-y-4">
+      <div className="flex items-center justify-between">
         <div className="flex items-center gap-4">
           {isPlaying ? (
             <BsPauseFill
@@ -142,30 +313,79 @@ const Waveform = ({
             </div>
           )}
         </div>
+        {variant === 'edit' && (
+          <div className={clsx(
+            "flex items-center gap-3 px-3 py-1.5 text-sm text-white rounded-md w-36 justify-center",
+            useFullAudio ? "bg-green-600" : "bg-blue-600"
+          )}>
+            <BsFillFileEarmarkMusicFill className="w-4 h-4" />
+            <Switch
+              checked={useFullAudio}
+              onChange={() => switchAudio()}
+              className={clsx(
+                "relative inline-flex h-[30px] w-[58px] shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 ease-in-out focus:outline-none focus-visible:ring-2 focus-visible:ring-white/75",
+                useFullAudio ? "bg-green-200" : "bg-blue-200"
+              )}
+            >
+              <span
+                aria-hidden="true"
+                className={clsx(
+                  "pointer-events-none inline-block h-[26px] w-[26px] transform rounded-full bg-white shadow-lg ring-0 transition duration-200 ease-in-out",
+                  useFullAudio ? 'translate-x-7' : 'translate-x-0'
+                )}
+              />
+            </Switch>
+            <BsScissors className="w-4 h-4" />
+          </div>
+        )}
+      </div>
 
       <div className="w-full max-w-4xl h-fit" ref={containerRef} />
 
-      {variant === 'edit' && cuts.length > 0 && (
+      {variant === 'edit' && currentCut && (
         <div className="space-y-2">
-          <h3 className="font-medium text-gray-700">Audio Cuts</h3>
+          <div className="flex items-center justify-between">
-          <div className="space-y-2">
+            <h3 className="font-medium text-gray-700">Selected Region</h3>
-            {cuts.map((cut) => (
+            <button
-              <div 
+              onClick={applyCuts}
-                key={cut.id} 
+              disabled={isProcessing}
-                className="flex items-center justify-between p-2 bg-gray-50 rounded-md"
+              className="flex items-center gap-2 px-3 py-1.5 text-sm text-white bg-blue-600 hover:bg-blue-700 disabled:bg-blue-300 rounded-md"
             >
+              <BsScissors className="w-4 h-4" />
+              {isProcessing ? 'Processing...' : 'Apply Cut'}
+            </button>
+          </div>
+          <div className="flex items-center justify-between p-2 bg-gray-50 rounded-md">
             <div className="text-sm text-gray-600">
-                  {formatTime(cut.start)} - {formatTime(cut.end)}
+              {formatTime(currentCut.start)} - {formatTime(currentCut.end)}
             </div>
             <button
-                  onClick={() => handleDeleteRegion(cut.id)}
+              onClick={handleDeleteRegion}
               className="p-1 text-red-500 hover:bg-red-50 rounded"
             >
               <BsTrash className="w-4 h-4" />
             </button>
           </div>
-            ))}
         </div>
+      )}
+
+      {cutAudioUrl && (
+        <div className="mt-8 space-y-4 border-t pt-4">
+          <div className="flex items-center gap-4">
+            <h3 className="font-medium text-gray-700">Cut Preview</h3>
+            {isPreviewPlaying ? (
+              <BsPauseFill
+                className="text-mti-gray-cool cursor-pointer w-5 h-5"
+                onClick={handlePreviewPlayPause}
+              />
+            ) : (
+              <BsPlayFill
+                className="text-mti-gray-cool cursor-pointer w-5 h-5"
+                onClick={handlePreviewPlayPause}
+              />
+            )}
+          </div>
+          <div className="w-full max-w-4xl h-fit" ref={previewContainerRef} />
         </div>
       )}
     </div>

src/interfaces/IUserImport.ts

@@ -7,9 +7,9 @@ export interface UserImport {
 	email: string;
 	name: string;
 	passport_id: string;
-	type: Type;
+	type?: Type;
 	groupName: string;
-	entity: string;
+	entity?: string;
 	studentID: string;
 	demographicInformation: {
 		country: string;

src/interfaces/exam.ts

@@ -3,7 +3,13 @@ import { Module } from ".";
 export type Exam = ReadingExam | ListeningExam | WritingExam | SpeakingExam | LevelExam;
 export type Variant = "full" | "partial";
 export type InstructorGender = "male" | "female" | "varied";
-export type Difficulty = "easy" | "medium" | "hard";
+
+export type Difficulty =  BasicDifficulty | CEFRLevels;
+
+// Left easy, medium and hard to support older exam versions
+export type BasicDifficulty = "easy" | "medium" | "hard";
+export type CEFRLevels = "A1" | "A2" | "B1" | "B2" | "C1" | "C2";
+
 
 export interface ExamBase {
 	id: string;

src/pages/(admin)/BatchCodeGenerator.tsx

@@ -21,6 +21,11 @@ import { PermissionType } from "@/interfaces/permissions";
 import usePermissions from "@/hooks/usePermissions";
 import { EntityWithRoles } from "@/interfaces/entity";
 import Select from "@/components/Low/Select";
+import CodeGenImportSummary, { ExcelCodegenDuplicatesMap } from "@/components/ImportSummaries/Codegen";
+import { FaFileDownload } from "react-icons/fa";
+import { IoInformationCircleOutline } from "react-icons/io5";
+import { HiOutlineDocumentText } from "react-icons/hi";
+import CodegenTable from "@/components/Tables/CodeGenTable";
 
 const EMAIL_REGEX = new RegExp(/^[a-zA-Z0-9]+(?:\.[a-zA-Z0-9]+)*@[a-zA-Z0-9]+(?:\.[a-zA-Z0-9]+)*$/);
 
@@ -74,7 +79,9 @@ export default function BatchCodeGenerator({ user, users, entities = [], permiss
 	const [isExpiryDateEnabled, setIsExpiryDateEnabled] = useState(true);
 	const [type, setType] = useState<Type>("student");
 	const [showHelp, setShowHelp] = useState(false);
-	const [entity, setEntity] = useState((entities || [])[0]?.id || undefined)
+	const [entity, setEntity] = useState((entities || [])[0]?.id || undefined);
+	const [parsedExcel, setParsedExcel] = useState<{ rows?: any[]; errors?: any[] }>({ rows: undefined, errors: undefined });
+	const [duplicatedRows, setDuplicatedRows] = useState<{ duplicates: ExcelCodegenDuplicatesMap, count: number }>();
 
 	const { openFilePicker, filesContent, clear } = useFilePicker({
 		accept: ".xlsx",
@@ -86,46 +93,123 @@ export default function BatchCodeGenerator({ user, users, entities = [], permiss
 		if (!isExpiryDateEnabled) setExpiryDate(null);
 	}, [isExpiryDateEnabled]);
 
+	const schema = {
+		'First Name': {
+			prop: 'firstName',
+			type: String,
+			required: true,
+			validate: (value: string) => {
+				if (!value || value.trim() === '') {
+					throw new Error('First Name cannot be empty')
+				}
+				return true
+			}
+		},
+		'Last Name': {
+			prop: 'lastName',
+			type: String,
+			required: true,
+			validate: (value: string) => {
+				if (!value || value.trim() === '') {
+					throw new Error('Last Name cannot be empty')
+				}
+				return true
+			}
+		},
+		'Passport/National ID': {
+			prop: 'passport_id',
+			type: String,
+			required: true,
+			validate: (value: string) => {
+				if (!value || value.trim() === '') {
+					throw new Error('Passport/National ID cannot be empty')
+				}
+				return true
+			}
+		},
+		'E-mail': {
+			prop: 'email',
+			required: true,
+			type: (value: any) => {
+				if (!value || value.trim() === '') {
+					throw new Error('Email cannot be empty')
+				}
+				if (!EMAIL_REGEX.test(value.trim())) {
+					throw new Error('Invalid Email')
+				}
+				return value
+			}
+		}
+	}
+
 	useEffect(() => {
 		if (filesContent.length > 0) {
 			const file = filesContent[0];
-			readXlsxFile(file.content).then((rows) => {
+			readXlsxFile(
-				try {
+				file.content, { schema, ignoreEmptyRows: false })
-					const information = uniqBy(
+				.then((data) => {
-						rows
+					setParsedExcel(data)
-							.map((row) => {
-								const [firstName, lastName, country, passport_id, email, phone] = row as string[];
-								return EMAIL_REGEX.test(email.toString().trim())
-									? {
-										email: email.toString().trim().toLowerCase(),
-										name: `${firstName ?? ""} ${lastName ?? ""}`.trim(),
-										passport_id: passport_id?.toString().trim() || undefined,
-									}
-									: undefined;
-							})
-							.filter((x) => !!x) as typeof infos,
-						(x) => x.email,
-					);
-
-					if (information.length === 0) {
-						toast.error(
-							"Please upload an Excel file containing user information, one per line! All already registered e-mails have also been ignored!",
-						);
-						return clear();
-					}
-
-					setInfos(information);
-				} catch {
-					toast.error(
-						"Please upload an Excel file containing user information, one per line! All already registered e-mails have also been ignored!",
-					);
-					return clear();
-				}
 				});
 		}
 		// eslint-disable-next-line react-hooks/exhaustive-deps
 	}, [filesContent]);
 
+	useEffect(() => {
+		if (parsedExcel.rows) {
+			const duplicates: ExcelCodegenDuplicatesMap = {
+				email: new Map(),
+				passport_id: new Map(),
+			};
+			const duplicateValues = new Set<string>();
+			const duplicateRowIndices = new Set<number>();
+
+			const errorRowIndices = new Set(
+				parsedExcel.errors?.map(error => error.row) || []
+			);
+
+			parsedExcel.rows.forEach((row, index) => {
+				if (!errorRowIndices.has(index + 2)) {
+					(Object.keys(duplicates) as Array<keyof ExcelCodegenDuplicatesMap>).forEach(field => {
+						if (row !== null) {
+							const value = row[field];
+							if (value) {
+								if (!duplicates[field].has(value)) {
+									duplicates[field].set(value, [index + 2]);
+								} else {
+									const existingRows = duplicates[field].get(value);
+									if (existingRows) {
+										existingRows.push(index + 2);
+										duplicateValues.add(value);
+										existingRows.forEach(rowNum => duplicateRowIndices.add(rowNum));
+									}
+								}
+							}
+						}
+					});
+				}
+			});
+
+			const info = parsedExcel.rows
+				.map((row, index) => {
+					if (errorRowIndices.has(index + 2) || duplicateRowIndices.has(index + 2) || row === null) {
+						return undefined;
+					}
+					const { firstName, lastName, studentID, passport_id, email, phone, group, country } = row;
+					if (!email || !EMAIL_REGEX.test(email.toString().trim())) {
+						return undefined;
+					}
+
+					return {
+						email: email.toString().trim().toLowerCase(),
+						name: `${firstName ?? ""} ${lastName ?? ""}`.trim(),
+						passport_id: passport_id?.toString().trim() || undefined,
+					};
+				}).filter((x) => !!x) as typeof infos;
+
+			setInfos(info);
+		}
+	}, [entity, parsedExcel, type]);
+
 	const generateAndInvite = async () => {
 		const newUsers = infos.filter((x) => !users.map((u) => u.email).includes(x.email));
 		const existingUsers = infos
@@ -199,40 +283,106 @@ export default function BatchCodeGenerator({ user, users, entities = [], permiss
 			});
 	};
 
+	const handleTemplateDownload = () => {
+		const fileName = "BatchCodeTemplate.xlsx";
+		const url = `https://firebasestorage.googleapis.com/v0/b/encoach-staging.appspot.com/o/import_templates%2F${fileName}?alt=media&token=b771a535-bf95-4060-889c-a086df65d480`;
+
+		const link = document.createElement('a');
+		link.href = url;
+
+		link.download = fileName;
+
+		document.body.appendChild(link);
+		link.click();
+		document.body.removeChild(link);
+	};
+
 	return (
 		<>
-			<Modal isOpen={showHelp} onClose={() => setShowHelp(false)} title="Excel File Format">
+			<Modal isOpen={showHelp} onClose={() => setShowHelp(false)}>
-				<div className="mt-4 flex flex-col gap-2">
+				<>
-					<span>Please upload an Excel file with the following format:</span>
+					<div className="flex font-bold text-xl justify-center text-gray-700"><span>Excel File Format</span></div>
-					<table className="w-full">
+					<div className="mt-4 flex flex-col gap-4">
+						<div className="flex flex-col gap-3 bg-gray-100 rounded-lg p-4">
+							<div className="flex items-center gap-2">
+								<HiOutlineDocumentText className={`w-5 h-5 text-mti-purple-light`} />
+								<h2 className="text-lg font-semibold">
+									The uploaded document must:
+								</h2>
+							</div>
+							<ul className="flex flex-col pl-10 gap-2">
+								<li className="text-gray-700 list-disc">
+									be an Excel .xlsx document.
+								</li>
+								<li className="text-gray-700 list-disc">
+									only have a single spreadsheet with the following <b>exact same name</b> columns:
+									<div className="py-4 pr-4">
+										<table className="w-full bg-white">
 											<thead>
 												<tr>
 													<th className="border border-neutral-200 px-2 py-1">First Name</th>
 													<th className="border border-neutral-200 px-2 py-1">Last Name</th>
-								<th className="border border-neutral-200 px-2 py-1">Country</th>
 													<th className="border border-neutral-200 px-2 py-1">Passport/National ID</th>
 													<th className="border border-neutral-200 px-2 py-1">E-mail</th>
-								<th className="border border-neutral-200 px-2 py-1">Phone Number</th>
 												</tr>
 											</thead>
 										</table>
-					<span className="mt-4">
-						<b>Notes:</b>
-						<ul>
-							<li>- All incorrect e-mails will be ignored;</li>
-							<li>- All already registered e-mails will be ignored;</li>
-							<li>- You may have a header row with the format above, however, it is not necessary;</li>
-							<li>- All of the e-mails in the file will receive an e-mail to join EnCoach with the role selected below.</li>
-						</ul>
-					</span>
 									</div>
+								</li>
+							</ul>
+						</div>
+						<div className="flex flex-col gap-3 bg-gray-100 rounded-lg p-4">
+							<div className="flex items-center gap-2">
+								<IoInformationCircleOutline className={`w-5 h-5 text-mti-purple-light`} />
+								<h2 className="text-lg font-semibold">
+									Note that:
+								</h2>
+							</div>
+							<ul className="flex flex-col pl-10 gap-2">
+								<li className="text-gray-700 list-disc">
+									all incorrect e-mails will be ignored.
+								</li>
+								<li className="text-gray-700 list-disc">
+									all already registered e-mails will be ignored.
+								</li>
+								<li className="text-gray-700 list-disc">
+									all rows which contain duplicate values in the columns: &quot;Passport/National ID&quot;, &quot;E-mail&quot;, will be ignored.
+								</li>
+								<li className="text-gray-700 list-disc">
+									all of the e-mails in the file will receive an e-mail to join EnCoach with the role selected below.
+								</li>
+							</ul>
+						</div>
+						<div className="bg-gray-100 rounded-lg p-4">
+							<p className="text-gray-600">
+								{`The downloadable template is an example of a file that can be imported. Your document doesn't need to be a carbon copy of the template - it can have different styling but it must adhere to the previous requirements.`}
+							</p>
+						</div>
+						<div className="w-full flex justify-between mt-6 gap-8">
+							<Button color="purple" onClick={() => setShowHelp(false)} variant="outline" className="self-end w-full bg-white">
+								Close
+							</Button>
+
+							<Button color="purple" onClick={handleTemplateDownload} variant="solid" className="self-end w-full">
+								<div className="flex items-center gap-2">
+									<FaFileDownload size={24} />
+									Download Template
+								</div>
+							</Button>
+						</div>
+					</div>
+				</>
 			</Modal>
 			<div className="border-mti-gray-platinum flex flex-col gap-4 rounded-xl border p-4">
 				<div className="flex items-end justify-between">
 					<label className="text-mti-gray-dim text-base font-normal">Choose an Excel file</label>
-					<div className="tooltip cursor-pointer" data-tip="Excel File Format" onClick={() => setShowHelp(true)}>
+					<button
-						<BsQuestionCircleFill />
+						onClick={() => setShowHelp(true)}
-					</div>
+						className="tooltip cursor-pointer p-1.5 hover:bg-gray-200 rounded-full transition-colors duration-200"
+						data-tip="Excel File Format"
+					>
+						<IoInformationCircleOutline size={24} />
+					</button>
 				</div>
 				<Button onClick={openFilePicker} isLoading={isLoading} disabled={isLoading}>
 					{filesContent.length > 0 ? filesContent[0].name : "Choose a file"}
@@ -290,6 +440,13 @@ export default function BatchCodeGenerator({ user, users, entities = [], permiss
 							))}
 					</select>
 				)}
+				{infos.length > 0 && <CodeGenImportSummary infos={infos} parsedExcel={parsedExcel} duplicateRows={duplicatedRows}/>}
+				{infos.length !== 0 && (
+					<div className="flex w-full flex-col gap-4">
+						<span className="text-mti-gray-dim text-base font-normal">Codes will be sent to:</span>
+						<CodegenTable infos={infos} />
+					</div>
+				)}
 				{checkAccess(user, ["developer", "admin", "corporate", "mastercorporate"], permissions, "createCodes") && (
 					<Button onClick={generateAndInvite} disabled={infos.length === 0 || (isExpiryDateEnabled ? !expiryDate : false)}>
 						Generate & Send

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

@@ -12,16 +12,16 @@ import { checkAccess, getTypesOfUser } from "@/utils/permissions";
 import Checkbox from "@/components/Low/Checkbox";
 import ReactDatePicker from "react-datepicker";
 import clsx from "clsx";
-import countryCodes, { CountryData } from "country-codes-list";
+import countryCodes from "country-codes-list";
 import { User, Type as UserType } from "@/interfaces/user";
 import { Type, UserImport } from "../../../interfaces/IUserImport";
-import UserTable from "../../../components/UserTable";
+import UserTable from "../../../components/Tables/UserTable";
 import { EntityWithRoles } from "@/interfaces/entity";
 import Select from "@/components/Low/Select";
 import { IoInformationCircleOutline } from "react-icons/io5";
 import { FaFileDownload } from "react-icons/fa";
 import { HiOutlineDocumentText } from "react-icons/hi";
-import UserImportSummary, { DuplicatesMap } from "@/components/UserImportSummary";
+import UserImportSummary, { ExcelUserDuplicatesMap } from "@/components/ImportSummaries/User";
 
 const EMAIL_REGEX = new RegExp(/^[a-zA-Z0-9]+(?:\.[a-zA-Z0-9]+)*@[a-zA-Z0-9]+(?:\.[a-zA-Z0-9]+)*$/);
 
@@ -78,7 +78,7 @@ export default function BatchCreateUser({ user, entities = [], permissions, onFi
 
 	const [duplicatedUsers, setDuplicatedUsers] = useState<UserImport[]>([]);
 	const [newUsers, setNewUsers] = useState<UserImport[]>([]);
-	const [duplicatedRows, setDuplicatedRows] = useState<{ duplicates: DuplicatesMap, count: number }>();
+	const [duplicatedRows, setDuplicatedRows] = useState<{ duplicates: ExcelUserDuplicatesMap, count: number }>();
 
 	const [isLoading, setIsLoading] = useState(false);
 	const [expiryDate, setExpiryDate] = useState<Date | null>(
@@ -210,7 +210,7 @@ export default function BatchCreateUser({ user, entities = [], permissions, onFi
 
 	useEffect(() => {
 		if (parsedExcel.rows) {
-			const duplicates: DuplicatesMap = {
+			const duplicates: ExcelUserDuplicatesMap = {
 				studentID: new Map(),
 				email: new Map(),
 				passport_id: new Map(),
@@ -225,7 +225,7 @@ export default function BatchCreateUser({ user, entities = [], permissions, onFi
 
 			parsedExcel.rows.forEach((row, index) => {
 				if (!errorRowIndices.has(index + 2)) {
-					(Object.keys(duplicates) as Array<keyof DuplicatesMap>).forEach(field => {
+					(Object.keys(duplicates) as Array<keyof ExcelUserDuplicatesMap>).forEach(field => {
 						if (row !== null) {
 							const value = row[field];
 							if (value) {

src/pages/api/groups/controller.ts

@@ -0,0 +1,74 @@
+
+import { sessionOptions } from '@/lib/session';
+import { withIronSessionApiRoute } from 'iron-session/next';
+import type { NextApiRequest, NextApiResponse } from 'next'
+import client from "@/lib/mongodb";
+
+const db = client.db(process.env.MONGODB_DB);
+
+export default withIronSessionApiRoute(handler, sessionOptions);
+
+async function handler(req: NextApiRequest, res: NextApiResponse) {
+  const { op } = req.query
+
+  if (req.method === 'GET') {
+    switch (op) {
+      default:
+        res.status(400).json({ error: 'Invalid operation!' })
+    }
+  }
+  else if (req.method === 'POST') {
+    switch (op) {
+      case 'crossRefOwnership':
+        res.status(200).json(await crossRefOwnership(req.body));
+        break;
+      case 'getIds':
+        res.status(200).json(await getIds(req.body));
+        break;
+      default:
+        res.status(400).json({ error: 'Invalid operation!' })
+    }
+  } else {
+    res.status(400).end(`Method ${req.method} Not Allowed`)
+  }
+}
+
+async function crossRefOwnership(body: any): Promise<string[]> {
+  const { userId, classrooms } = body;
+
+  // First find which classrooms from input exist
+  const existingClassrooms = await db.collection('groups')
+    .find({ name: { $in: classrooms } })
+    .project({ name: 1, admin: 1, _id: 0 })
+    .toArray();
+
+  // From those existing classrooms, return the ones where user is NOT the admin
+  return existingClassrooms
+    .filter(classroom => classroom.admin !== userId)
+    .map(classroom => classroom.name);
+}
+
+async function getIds(body: any): Promise<Record<string, string>> {
+  const { names, userEmails } = body;
+  
+  const existingGroups: any[] = await db.collection('groups')
+    .find({ name: { $in: names } })
+    .project({ name: 1, id: 1, _id: 0 })
+    .toArray();
+
+  const users: any[] = await db.collection('users')
+    .find({ email: { $in: userEmails } })
+    .project({ email: 1, id: 1, _id: 0 })
+    .toArray();
+
+  return {
+    groups: existingGroups.reduce((acc, group) => {
+      acc[group.name] = group.id;
+      return acc;
+    }, {} as Record<string, string>),
+    users: users.reduce((acc, user) => {
+      acc[user.email] = user.id;
+      return acc;
+    }, {} as Record<string, string>)
+  };
+}

src/pages/api/transcribe/index.ts

@@ -0,0 +1,67 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type { NextApiRequest, NextApiResponse } from "next";
+import { withIronSessionApiRoute } from "iron-session/next";
+import { sessionOptions } from "@/lib/session";
+import axios from "axios";
+import formidable from "formidable-serverless";
+import fs from "fs";
+import FormData from 'form-data';
+
+
+export default withIronSessionApiRoute(handler, sessionOptions);
+
+
+async function handler(req: NextApiRequest, res: NextApiResponse) {
+	if (!req.session.user) {
+		return res.status(401).json({ ok: false });
+	}
+
+	const form = new formidable.IncomingForm();
+
+	try {
+		const files = await new Promise((resolve, reject) => {
+			form.parse(req, (err: any, _: any, files: any) => {
+				if (err) reject(err);
+				else resolve(files);
+			});
+		});
+
+
+		const audioFile = (files as any).audio;
+		if (!audioFile) {
+			return res.status(400).json({ ok: false, error: 'Audio file not found in request' });
+		}
+
+		const formData = new FormData();
+		const buffer = fs.readFileSync(audioFile.path);
+		formData.append('audio', buffer, audioFile.name);
+
+		try {
+			const response = await axios.post(
+				`${process.env.BACKEND_URL}/listening/transcribe`,
+				formData,
+				{
+					headers: {
+						...formData.getHeaders(),
+						Authorization: `Bearer ${process.env.BACKEND_JWT}`,
+					},
+				}
+			);
+
+			return res.status(200).json(response.data);
+		} finally {
+			if (fs.existsSync(audioFile.path)) {
+				fs.rmSync(audioFile.path);
+			}
+		}
+	} catch (error) {
+		console.error('Error:', error);
+		return res.status(500).json({ ok: false });
+	}
+}
+
+export const config = {
+	api: {
+		bodyParser: false,
+	},
+};

src/pages/api/users/controller.ts

@@ -20,7 +20,16 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
   else if (req.method === 'POST') {
     switch (op) {
       case 'crossRefEmails':
-          res.status(200).json(await crossRefEmails(req.body.emails))
+        res.status(200).json(await crossRefEmails(req.body.emails));
+        break;
+      case 'dontExist':
+        res.status(200).json(await dontExist(req.body.emails))
+        break;
+      case 'entityCheck':
+        res.status(200).json(await entityCheck(req.body));
+        break;
+      case 'crossRefClassrooms':
+        res.status(200).json(await crossRefClassrooms(req.body.sets));
         break;
       default:
         res.status(400).json({ error: 'Invalid operation!' })
@@ -45,3 +54,125 @@ async function crossRefEmails(emails: string[]) {
     }
   ]).toArray();
 }
+
+async function dontExist(emails: string[]): Promise<string[]> {
+  const existingUsers = await db.collection('users')
+    .find(
+      { email: { $in: emails } },
+      { projection: { _id: 0, email: 1 } }
+    )
+    .toArray();
+
+  const existingEmails = new Set(existingUsers.map(u => u.email));
+  return emails.filter(email => !existingEmails.has(email));
+}
+
+
+async function entityCheck(body: Record<string, any>): Promise<string[]> {
+  const { entities, emails } = body;
+  
+  const pipeline = [
+    // Match users with the provided emails
+    {
+      $match: {
+        email: { $in: emails }
+      }
+    },
+    // Match users who don't have any of the entities
+    {
+      $match: {
+        $or: [
+          // Either they have no entities array
+          { entities: { $exists: false } },
+          // Or their entities array is empty
+          { entities: { $size: 0 } },
+          // Or none of their entities match the provided IDs
+          {
+            entities: {
+              $not: {
+                $elemMatch: {
+                  id: { $in: entities.map((e: any) => e.id) }
+                }
+              }
+            }
+          }
+        ]
+      }
+    },
+    // Project only the email field
+    {
+      $project: {
+        _id: 0,
+        email: 1
+      }
+    }
+  ];
+
+  const results = await db.collection('users').aggregate(pipeline).toArray();
+  return results.map((result: any) => result.email);
+}
+
+async function crossRefClassrooms(sets: { email: string, classroom: string }[]) {
+  const pipeline = [
+    // Match users with the provided emails
+    {
+      $match: {
+        email: { $in: sets.map(set => set.email) }
+      }
+    },
+    // Lookup groups that contain the user's ID in participants
+    {
+      $lookup: {
+        from: 'groups',
+        let: { userId: '$id', userEmail: '$email' },
+        pipeline: [
+          {
+            $match: {
+              $expr: {
+                $and: [
+                  { $in: ['$$userId', '$participants'] },
+                  {
+                    // Match the classroom that corresponds to this user's email
+                    $let: {
+                      vars: {
+                        matchingSet: {
+                          $arrayElemAt: [
+                            {
+                              $filter: {
+                                input: sets,
+                                cond: { $eq: ['$$this.email', '$$userEmail'] }
+                              }
+                            },
+                            0
+                          ]
+                        }
+                      },
+                      in: { $eq: ['$name', '$$matchingSet.classroom'] }
+                    }
+                  }
+                ]
+              }
+            }
+          }
+        ],
+        as: 'matchingGroups'
+      }
+    },
+    // Only keep users who have matching groups
+    {
+      $match: {
+        matchingGroups: { $ne: [] }
+      }
+    },
+    // Project only the email
+    {
+      $project: {
+        _id: 0,
+        email: 1
+      }
+    }
+  ];
+  
+  const results = await db.collection('users').aggregate(pipeline).toArray();
+  return results.map((result: any) => result.email);
+}

src/pages/classrooms/index.tsx

@@ -21,6 +21,11 @@ import { getEntities, getEntitiesWithRoles } from "@/utils/entities.be";
 import { useAllowedEntities } from "@/hooks/useEntityPermissions";
 import { EntityWithRoles } from "@/interfaces/entity";
 import { FaPersonChalkboard } from "react-icons/fa6";
+import { FaFileUpload } from "react-icons/fa";
+import clsx from "clsx";
+import { useState } from "react";
+import StudentClassroomTransfer from "@/components/Imports/StudentClassroomTransfer";
+import Modal from "@/components/Modal";
 
 export const getServerSideProps = withIronSessionSsr(async ({ req, res }) => {
 	const user = await requestUser(req, res)
@@ -58,7 +63,8 @@ interface Props {
 	entities: EntityWithRoles[]
 }
 export default function Home({ user, groups, entities }: Props) {
-	const entitiesAllowCreate = useAllowedEntities(user, entities, 'create_classroom')
+	const entitiesAllowCreate = useAllowedEntities(user, entities, 'create_classroom');
+	const [showImport, setShowImport] = useState(false);
 
 	const renderCard = (group: GroupWithUsers) => (
 		<Link
@@ -112,8 +118,25 @@ export default function Home({ user, groups, entities }: Props) {
 			<ToastContainer />
 			<Layout user={user} className="!gap-4">
 				<section className="flex flex-col gap-4 w-full h-full">
+					<Modal isOpen={showImport} onClose={() => setShowImport(false)}>
+						<StudentClassroomTransfer user={user} entities={entities} onFinish={() => setShowImport(false)} />
+					</Modal>
 					<div className="flex flex-col gap-4">
+						<div className="flex justify-between">
 							<h2 className="font-bold text-2xl">Classrooms</h2>
+							{entitiesAllowCreate.length !== 0 && <button
+								className={clsx(
+									"flex flex-row gap-3 items-center py-1.5 px-4 text-lg",
+									"bg-mti-purple-light border border-mti-purple-light rounded-xl text-white",
+									"hover:bg-white hover:text-mti-purple-light transition duration-300 ease-in-out",
+								)}
+								onClick={() => setShowImport(true)}
+							>
+								<FaFileUpload className="w-5 h-5" />
+								Transfer Students
+							</button>
+							}
+						</div>
 						<Separator />
 					</div>
 

src/pages/generation.tsx

@@ -167,7 +167,6 @@ export default function Generation({ id, user, exam, examModule, permissions }:
 							defaultValue={title}
 							required
 						/>
-						{/*<MultipleAudioUploader />*/}
 						<label className="font-normal text-base text-mti-gray-dim">Module</label>
 						<RadioGroup
 							value={currentModule}

src/stores/examEditor/defaults.ts

@@ -147,7 +147,8 @@ export const defaultSectionSettings = (module: Module, sectionId: number, part?:
         focusedExercise: undefined,
         expandedSubSections: [],
         levelGenerating: [],
-        levelGenResults: []
+        levelGenResults: [],
+        scriptLoading: false,
     }
 }
 
@@ -156,7 +157,7 @@ const defaultModuleSettings = (module: Module, minTimer: number): ModuleState =>
     const state: ModuleState = {
         examLabel: defaultExamLabel(module),
         minTimer,
-        difficulty: sample(["easy", "medium", "hard"] as Difficulty[])!,
+        difficulty: sample(["A1", "A2", "B1", "B2", "C1", "C2"] as Difficulty[])!,
         isPrivate: false,
         sectionLabels: sectionLabels(module),
         expandedSections: [1],

src/stores/examEditor/reducers/sectionReducer.ts

@@ -6,7 +6,7 @@ import { reorderSection } from "../reorder/global";
 
 export type SectionActions =
     | { type: 'UPDATE_SECTION_SINGLE_FIELD'; payload: { module: Module; sectionId: number; field: string; value: any } }
-    | { type: 'UPDATE_SECTION_SETTINGS'; payload: { sectionId: number; module: Module; update: Partial<SectionSettings | ReadingSectionSettings>; } }
+    | { type: 'UPDATE_SECTION_SETTINGS'; payload: { sectionId: number; module: Module; update: Partial<SectionSettings>; } }
     | { type: 'UPDATE_SECTION_STATE'; payload: { sectionId: number;  module: Module; update: Partial<Section>; } }
     | { type: 'REORDER_EXERCISES'; payload: { event: DragEndEvent, module: Module; sectionId: number; } };
 

src/stores/examEditor/types.ts

@@ -1,4 +1,4 @@
-import { Difficulty, InteractiveSpeakingExercise, LevelPart, ListeningPart, ReadingPart, SpeakingExercise, WritingExercise } from "@/interfaces/exam";
+import { Difficulty, InteractiveSpeakingExercise, LevelPart, ListeningPart, ReadingPart, Script, SpeakingExercise, WritingExercise } from "@/interfaces/exam";
 import { Module } from "@/interfaces";
 import Option from "@/interfaces/option";
 
@@ -36,6 +36,9 @@ export interface ListeningSectionSettings extends SectionSettings {
     isAudioGenerationOpen: boolean;
     listeningTopic: string;
     isListeningTopicOpen: boolean;
+    uploadedAudioURL: string | undefined;
+    audioCutURL: string | undefined;
+    useEntireAudioFile: boolean; 
 }
 
 export interface WritingSectionSettings extends SectionSettings {
@@ -90,7 +93,7 @@ export type ExamPart = ListeningPart | ReadingPart | LevelPart;
 
 export interface SectionState {
     sectionId: number;
-    settings: SectionSettings | ReadingSectionSettings;
+    settings: SectionSettings;
     state: Section;
     expandedSubSections: number[];
     generating: Generating;
@@ -102,6 +105,7 @@ export interface SectionState {
     speakingSection?: number;
     readingSection?: number;
     listeningSection?: number;
+    scriptLoading: boolean;
 }
 
 export interface ModuleState {

src/utils/exams.be.ts

@@ -1,6 +1,6 @@
 import { collection, getDocs, query, where, setDoc, doc, Firestore, getDoc, and } from "firebase/firestore";
 import { groupBy, shuffle } from "lodash";
-import { Difficulty, Exam, InstructorGender, SpeakingExam, Variant, WritingExam } from "@/interfaces/exam";
+import { CEFRLevels, Difficulty, Exam, InstructorGender, SpeakingExam, Variant, WritingExam } from "@/interfaces/exam";
 import { DeveloperUser, Stat, StudentUser, User } from "@/interfaces/user";
 import { Module } from "@/interfaces";
 import { getCorporateUser } from "@/resources/user";
@@ -128,9 +128,42 @@ const filterByDifficulty = async (db: Db, exams: Exam[], module: Module, userID?
 	const user = await db.collection("users").findOne<User>({ id: userID });
 	if (!user) return exams;
 
-	const difficulty = user.levels[module] <= 3 ? "easy" : user.levels[module] <= 6 ? "medium" : "hard";
+	const basicDifficulty = user.levels[module] <= 3 ? "easy" : user.levels[module] <= 6 ? "medium" : "hard";
+
+	let CEFRLevel: CEFRLevels;
+
+	// Adjust the levels if necessary
+	switch (user.levels[module]) {
+		case 1:
+		case 2:
+			CEFRLevel = "A1";
+			break;
+		case 3:
+		case 4:
+			CEFRLevel = "A2";
+			break;
+		case 4:
+		case 5:
+			CEFRLevel = "B1";
+			break;
+		case 6:
+			CEFRLevel = "B2";
+			break;
+		case 7:
+		case 8:
+			CEFRLevel = "C1";
+			break;
+		case 9:
+			CEFRLevel = "C2";
+			break;
+		default:
+			CEFRLevel = "B1";
+	}
+
+	const filteredExams = exams.filter((exam) =>
+		exam.difficulty === basicDifficulty || exam.difficulty === CEFRLevel
+	);
 
-	const filteredExams = exams.filter((exam) => exam.difficulty === difficulty);
 	return filteredExams.length === 0 ? exams : filteredExams;
 };