Files
encoach_frontend/src/exams/Writing.tsx

127 lines
4.0 KiB
TypeScript

import { renderExercise } from "@/components/Exercises";
import ModuleTitle from "@/components/Medium/ModuleTitle";
import { renderSolution } from "@/components/Solutions";
import { UserSolution, WritingExam } from "@/interfaces/exam";
import useExamStore, { usePersistentExamStore } from "@/stores/examStore";
import { countExercises } from "@/utils/moduleUtils";
import PartDivider from "./Navigation/SectionDivider";
import { useEffect, useState } from "react";
interface Props {
exam: WritingExam;
showSolutions?: boolean;
preview?: boolean;
onFinish: (userSolutions: UserSolution[]) => void;
}
export default function Writing({ exam, showSolutions = false, preview = false, onFinish }: Props) {
const writingBgColor = "bg-ielts-writing-light";
const examState = useExamStore((state) => state);
const persistentExamState = usePersistentExamStore((state) => state);
const {
userSolutions,
exerciseIndex,
hasExamEnded,
setBgColor,
setUserSolutions,
setHasExamEnded,
setExerciseIndex,
} = !preview ? examState : persistentExamState;
const [seenParts, setSeenParts] = useState<Set<number>>(new Set(showSolutions ? exam.exercises.map((_, index) => index) : []));
const [showPartDivider, setShowPartDivider] = useState<boolean>(typeof exam.exercises[0].intro === "string" && exam.exercises[0].intro !== "");
useEffect(() => {
if (hasExamEnded && exerciseIndex === -1) {
setExerciseIndex(exerciseIndex + 1);
}
}, [hasExamEnded, exerciseIndex, setExerciseIndex]);
const scrollToTop = () => Array.from(document.getElementsByTagName("body")).forEach((body) => body.scrollTo(0, 0));
useEffect(() => {
if (!showSolutions && exam.exercises[exerciseIndex]?.intro !== undefined && exam.exercises[exerciseIndex]?.intro !== "" && !seenParts.has(exerciseIndex)) {
setShowPartDivider(true);
setBgColor(writingBgColor);
}
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [exerciseIndex]);
const nextExercise = (solution?: UserSolution) => {
scrollToTop();
if (solution) {
setUserSolutions([...userSolutions.filter((x) => x.exercise !== solution.exercise), { ...solution, module: "writing", exam: exam.id }]);
}
if (exerciseIndex + 1 < exam.exercises.length) {
setExerciseIndex(exerciseIndex + 1);
return;
}
if (exerciseIndex >= exam.exercises.length) return;
setHasExamEnded(false);
if (solution) {
onFinish([...userSolutions.filter((x) => x.exercise !== solution.exercise), { ...solution, module: "writing", exam: exam.id }]);
} else {
onFinish(userSolutions);
}
};
const previousExercise = (solution?: UserSolution) => {
scrollToTop();
if (solution) {
setUserSolutions([...userSolutions.filter((x) => x.exercise !== solution.exercise), { ...solution, module: "writing", exam: exam.id }]);
}
if (exerciseIndex > 0) {
setExerciseIndex(exerciseIndex - 1);
}
};
const getExercise = () => {
const exercise = exam.exercises[exerciseIndex];
return {
...exercise,
userSolutions: userSolutions.find((x) => x.exercise === exercise.id)?.solutions || [],
};
};
return (
<>
{(showPartDivider) ?
<PartDivider
module="writing"
sectionLabel="Task"
defaultTitle="Writing exam"
section={exam.exercises[exerciseIndex]}
sectionIndex={exerciseIndex}
onNext={() => { setShowPartDivider(false); setBgColor("bg-white"); setSeenParts((prev) => new Set(prev).add(exerciseIndex))}}
/> : (
<div className="flex flex-col h-full w-full gap-8 items-center">
<ModuleTitle
minTimer={exam.minTimer}
exerciseIndex={exerciseIndex + 1}
module="writing"
totalExercises={countExercises(exam.exercises)}
disableTimer={showSolutions || preview}
/>
{exerciseIndex > -1 &&
exerciseIndex < exam.exercises.length &&
!showSolutions &&
renderExercise(getExercise(), exam.id, nextExercise, previousExercise, preview)}
{exerciseIndex > -1 &&
exerciseIndex < exam.exercises.length &&
showSolutions &&
renderSolution(exam.exercises[exerciseIndex], nextExercise, previousExercise)}
</div>
)
}
</>
);
}