io

app/api/quiz/my-results/route.ts

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+import { NextResponse } from "next/server";
+import { db } from "@/lib/db";
+import { getServerSession } from "next-auth";
+import { authOptions } from "@/lib/auth";
+
+// GET /api/quiz/my-results
+export async function GET() {
+  const session = await getServerSession(authOptions);
+  if (!session) return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+
+  const userId = (session.user as any).id;
+
+  const submissions = await db.quizSubmission.findMany({
+    where: { userId },
+    include: {
+      quiz: {
+        include: { questions: { orderBy: { order: "asc" } } },
+      },
+    },
+    orderBy: { submittedAt: "desc" },
+  });
+
+  return NextResponse.json(submissions);
+}

app/api/quiz/route.ts

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+import { NextResponse } from "next/server";
+import { db } from "@/lib/db";
+
+// GET /api/quiz - get today's active quiz
+export async function GET() {
+  const now = new Date();
+  const todayStart = new Date(now);
+  todayStart.setHours(0, 0, 0, 0);
+  const todayEnd = new Date(now);
+  todayEnd.setHours(23, 59, 59, 999);
+
+  const quiz = await db.dailyQuiz.findFirst({
+    where: { date: { gte: todayStart, lte: todayEnd } },
+    include: {
+      questions: {
+        orderBy: { order: "asc" },
+        select: {
+          id: true,
+          questionText: true,
+          options: true,
+          order: true,
+        },
+      },
+    },
+  });
+
+  if (!quiz) return NextResponse.json(null);
+
+  const isActive = !quiz.isProcessed && now >= quiz.windowStart && now <= quiz.windowEnd;
+  return NextResponse.json({ ...quiz, isActive });
+}

app/api/quiz/submit/route.ts

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+import { NextRequest, NextResponse } from "next/server";
+import { db } from "@/lib/db";
+import { getServerSession } from "next-auth";
+import { authOptions } from "@/lib/auth";
+import { CARD_TIER_LABELS, resolveQuizRewardTier } from "@/lib/cardTier";
+
+// POST /api/quiz/submit
+export async function POST(req: NextRequest) {
+  const session = await getServerSession(authOptions);
+  if (!session) return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+
+  const userId = (session.user as any).id;
+  const { quizId, answers } = await req.json();
+
+  if (!quizId || !Array.isArray(answers)) {
+    return NextResponse.json({ error: "Invalid payload" }, { status: 400 });
+  }
+
+  const quiz = await db.dailyQuiz.findUnique({
+    where: { id: quizId },
+    include: { questions: { orderBy: { order: "asc" } } },
+  });
+
+  if (!quiz) return NextResponse.json({ error: "Quiz not found" }, { status: 404 });
+  if (quiz.isProcessed) {
+    return NextResponse.json({ error: "این کوییز بعد از قرعه‌کشی بسته شده است" }, { status: 400 });
+  }
+
+  const now = new Date();
+  if (now < quiz.windowStart || now > quiz.windowEnd) {
+    return NextResponse.json({ error: "خارج از بازه زمانی مجاز" }, { status: 400 });
+  }
+
+  const existing = await db.quizSubmission.findUnique({
+    where: { userId_quizId: { userId, quizId } },
+  });
+  if (existing) return NextResponse.json({ error: "قبلاً شرکت کرده‌اید" }, { status: 400 });
+
+  let correct = 0;
+  quiz.questions.forEach((q, i) => {
+    if (answers[i] === q.correctAnswer) correct++;
+  });
+
+  const score = quiz.questions.length > 0
+    ? Math.round((correct / quiz.questions.length) * 100)
+    : 0;
+  const rewardTier = resolveQuizRewardTier(quiz, correct);
+
+  const submission = await db.quizSubmission.create({
+    data: { userId, quizId, answers, correctAnswers: correct, score },
+  });
+
+  return NextResponse.json({
+    score,
+    correct,
+    total: quiz.questions.length,
+    rewardTier,
+    rewardTierLabel: rewardTier ? CARD_TIER_LABELS[rewardTier] : null,
+    submission,
+  });
+}