Moved the exam page to the root pages
This commit is contained in:
Tiago Ribeiro
213
src/pages/exam.tsx
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213
src/pages/exam.tsx
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@@ -0,0 +1,213 @@
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/* eslint-disable @next/next/no-img-element */
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import Head from "next/head";
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import Navbar from "@/components/Navbar";
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import {useEffect, useState} from "react";
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import {Module} from "@/interfaces";
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import Selection from "@/exams/Selection";
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import Reading from "@/exams/Reading";
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import {Exam, ListeningExam, ReadingExam, SpeakingExam, UserSolution, WritingExam} from "@/interfaces/exam";
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import Listening from "@/exams/Listening";
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import Writing from "@/exams/Writing";
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import {ToastContainer, toast} from "react-toastify";
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import Finish from "@/exams/Finish";
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import axios from "axios";
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import {withIronSessionSsr} from "iron-session/next";
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import {sessionOptions} from "@/lib/session";
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import {Stat} from "@/interfaces/user";
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import Speaking from "@/exams/Speaking";
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import {v4 as uuidv4} from "uuid";
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import useUser from "@/hooks/useUser";
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import useExamStore from "@/stores/examStore";
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export const getServerSideProps = withIronSessionSsr(({req, res}) => {
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const user = req.session.user;
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if (!user) {
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res.setHeader("location", "/login");
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res.statusCode = 302;
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res.end();
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return {
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props: {
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user: null,
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},
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};
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}
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return {
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props: {user: req.session.user},
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};
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}, sessionOptions);
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export default function Page() {
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const [hasBeenUploaded, setHasBeenUploaded] = useState(false);
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const [moduleIndex, setModuleIndex] = useState(0);
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const [sessionId, setSessionId] = useState("");
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const [exam, setExam] = useState<Exam>();
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const [timer, setTimer] = useState(-1);
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const [exams, setExams] = useExamStore((state) => [state.exams, state.setExams]);
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const [userSolutions, setUserSolutions] = useExamStore((state) => [state.userSolutions, state.setUserSolutions]);
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const [showSolutions, setShowSolutions] = useExamStore((state) => [state.showSolutions, state.setShowSolutions]);
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const [selectedModules, setSelectedModules] = useExamStore((state) => [state.selectedModules, state.setSelectedModules]);
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const {user} = useUser({redirectTo: "/login"});
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useEffect(() => setSessionId(uuidv4()), []);
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useEffect(() => {
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(async () => {
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if (selectedModules.length > 0 && exams.length > 0 && moduleIndex < selectedModules.length) {
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const nextExam = exams[moduleIndex];
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setExam(nextExam ? updateExamWithUserSolutions(nextExam) : undefined);
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}
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})();
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, [selectedModules, moduleIndex, exams]);
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useEffect(() => {
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(async () => {
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if (selectedModules.length > 0 && exams.length === 0) {
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const examPromises = selectedModules.map(getExam);
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Promise.all(examPromises).then((values) => {
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if (values.every((x) => !!x)) {
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setExams(values.map((x) => x!));
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}
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});
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}
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})();
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}, [selectedModules, setExams, exams]);
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useEffect(() => {
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(async () => {
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if (selectedModules.length > 0 && exams.length === 0 && moduleIndex >= selectedModules.length && !hasBeenUploaded) {
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const newStats: Stat[] = userSolutions.map((solution) => ({
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...solution,
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session: sessionId,
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exam: solution.exam!,
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module: solution.module!,
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user: user?.id || "",
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date: new Date().getTime(),
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}));
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axios
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.post<{ok: boolean}>("/api/stats", newStats)
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.then((response) => setHasBeenUploaded(response.data.ok))
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.catch(() => setHasBeenUploaded(false));
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}
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})();
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, [selectedModules, moduleIndex, hasBeenUploaded]);
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useEffect(() => {
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if (exam) {
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setTimer(exam.minTimer * 60);
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const timerInterval = setInterval(() => setTimer((prev) => (prev && prev > 0 ? prev - 1 : 0)), 1000);
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return () => {
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clearInterval(timerInterval);
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};
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}
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}, [exam]);
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const getExam = async (module: Module): Promise<Exam | undefined> => {
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const examRequest = await axios<Exam[]>(`/api/exam/${module}`);
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if (examRequest.status !== 200) {
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toast.error("Something went wrong!");
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return undefined;
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}
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const newExam = examRequest.data;
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switch (module) {
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case "reading":
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return newExam.shift() as ReadingExam;
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case "listening":
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return newExam.shift() as ListeningExam;
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case "writing":
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return newExam.shift() as WritingExam;
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case "speaking":
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return newExam.shift() as SpeakingExam;
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}
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};
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const updateExamWithUserSolutions = (exam: Exam): Exam => {
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const exercises = exam.exercises.map((x) =>
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Object.assign(x, !x.userSolutions ? {userSolutions: userSolutions.find((y) => x.id === y.exercise)?.solutions} : x.userSolutions),
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);
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return Object.assign(exam, exercises);
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};
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const onFinish = (solutions: UserSolution[]) => {
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const solutionIds = solutions.map((x) => x.exercise);
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setUserSolutions([...userSolutions.filter((x) => !solutionIds.includes(x.exercise)), ...solutions]);
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setModuleIndex((prev) => prev + 1);
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};
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const renderScreen = () => {
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if (selectedModules.length === 0) {
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return <Selection user={user!} onStart={setSelectedModules} />;
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}
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if (moduleIndex >= selectedModules.length) {
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return (
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<Finish
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user={user!}
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modules={selectedModules}
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onViewResults={() => {
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setShowSolutions(true);
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setModuleIndex(0);
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setExam(exams[0]);
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}}
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scores={userSolutions.map((x) => ({...x.score, module: x.module}))}
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/>
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);
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}
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if (exam && exam.module === "reading") {
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return <Reading exam={exam} onFinish={onFinish} showSolutions={showSolutions} />;
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}
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if (exam && exam.module === "listening") {
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return <Listening exam={exam} onFinish={onFinish} showSolutions={showSolutions} />;
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}
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if (exam && exam.module === "writing" && showSolutions) {
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setModuleIndex((prev) => prev + 1);
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return <></>;
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}
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if (exam && exam.module === "writing") {
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return <Writing exam={exam} onFinish={onFinish} showSolutions={showSolutions} />;
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}
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if (exam && exam.module === "speaking" && showSolutions) {
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setModuleIndex((prev) => prev + 1);
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return <></>;
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}
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if (exam && exam.module === "speaking") {
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return <Speaking exam={exam} onFinish={onFinish} showSolutions={showSolutions} />;
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}
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return <>Loading...</>;
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};
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return (
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<>
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<Head>
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<title>Exam | IELTS GPT</title>
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<meta
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name="description"
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content="A training platform for the IELTS exam provided by the Muscat Training Institute and developed by eCrop."
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/>
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<link rel="icon" href="/favicon.ico" />
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</Head>
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<ToastContainer />
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{user && <main className="w-full h-full min-h-[100vh] flex flex-col items-center bg-neutral-100 pb-4 gap-4">{renderScreen()}</main>}
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</>
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);
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}
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