root
6c6dd26823
- Quizzes table with questions, answer options, attempts, answers - Question types: multiple_choice, exclusion, true_false, free_text - Progressive scoring: [1,1,2,2,3,3,4,6,8,10] = max 40 per quiz - Alpine.js countdown timer per question with auto-submit on timeout - Admin: CRUD for quizzes + per-question editor, JSON export/import - Child: quiz overview with best scores, question view, result breakdown - Nav: Quiz link in child header and admin sidebar
97 lines
4.2 KiB
PHP
97 lines
4.2 KiB
PHP
<?php
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namespace App\Http\Controllers\Child;
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use App\Http\Controllers\Controller;
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use App\Models\{Quiz, QuizAttempt, QuizAttemptAnswer, QuizQuestion, Subject};
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use Illuminate\Http\Request;
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class QuizController extends Controller {
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public function index() {
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$subjects = Subject::all()->keyBy('id');
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$quizzes = Quiz::with('subject')->where('active',true)
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->withCount('questions')->get()->groupBy('subject_id');
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$bestScores = QuizAttempt::where('user_id',auth()->id())
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->where('status','completed')
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->selectRaw('quiz_id, MAX(score) as best')
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->groupBy('quiz_id')->pluck('best','quiz_id');
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return view('child.quiz.index', compact('subjects','quizzes','bestScores'));
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}
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public function start(Quiz $quiz) {
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abort_unless($quiz->active, 403);
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$attempt = QuizAttempt::firstOrCreate(
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['user_id'=>auth()->id(),'quiz_id'=>$quiz->id,'status'=>'in_progress'],
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['score'=>0,'current_question'=>0,'started_at'=>now()]
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);
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return redirect()->route('quiz.question', $attempt);
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}
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public function question(QuizAttempt $attempt) {
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abort_unless($attempt->user_id === auth()->id(), 403);
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if ($attempt->status === 'completed') return redirect()->route('quiz.result', $attempt);
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$question = $attempt->quiz->questions()->skip($attempt->current_question)->first();
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$pointsIfCorrect = QuizAttempt::POINTS[$attempt->current_question];
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return view('child.quiz.question', compact('attempt','question','pointsIfCorrect'));
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}
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public function answer(Request $r, QuizAttempt $attempt) {
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abort_unless($attempt->user_id === auth()->id(), 403);
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abort_if($attempt->status === 'completed', 400);
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$question = $attempt->quiz->questions()->skip($attempt->current_question)->first();
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$possible = QuizAttempt::POINTS[$attempt->current_question];
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$timedOut = $r->input('timeout') === '1';
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$answerGiven = $r->input('answer','');
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$isCorrect = false;
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$pointsEarned = 0;
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if (!$timedOut && $answerGiven !== '') {
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$isCorrect = $this->check($question, $answerGiven);
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$pointsEarned = $isCorrect ? $possible : 0;
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}
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QuizAttemptAnswer::create([
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'quiz_attempt_id' => $attempt->id,
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'quiz_question_id' => $question->id,
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'answer_given' => $timedOut ? '__timeout__' : $answerGiven,
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'is_correct' => $isCorrect,
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'points_earned' => $pointsEarned,
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]);
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session()->flash('last_answer', [
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'correct' => $isCorrect,
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'points' => $pointsEarned,
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'possible' => $possible,
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'timeout' => $timedOut,
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]);
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$next = $attempt->current_question + 1;
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$totalQuestions = $attempt->quiz->questions()->count();
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if ($next >= $totalQuestions || $next >= 10) {
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$total = QuizAttemptAnswer::where('quiz_attempt_id',$attempt->id)->sum('points_earned');
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$attempt->update(['score'=>$total,'current_question'=>$next,'status'=>'completed','completed_at'=>now()]);
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auth()->user()->increment('points', $total);
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return redirect()->route('quiz.result', $attempt);
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}
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$attempt->update(['current_question'=>$next]);
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return redirect()->route('quiz.question', $attempt);
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}
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public function result(QuizAttempt $attempt) {
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abort_unless($attempt->user_id === auth()->id(), 403);
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abort_unless($attempt->status === 'completed', 400);
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$answers = $attempt->answers()->with('question.answerOptions')->get();
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return view('child.quiz.result', compact('attempt','answers'));
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}
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private function check(QuizQuestion $q, string $answer): bool {
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return match($q->type) {
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'multiple_choice','exclusion' => ($opt = $q->answerOptions()->where('is_correct',true)->first())
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&& (string)$opt->id === $answer,
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'true_false','free_text' => strtolower(trim($answer)) === strtolower(trim((string)$q->correct_answer)),
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default => false,
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};
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}
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}
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