Implement Vue quiz screen and fix route authority

src/main/webapp/app/quiz/quiz.component.ts

@@ -0,0 +1,100 @@
+import { defineComponent, onMounted, ref } from 'vue';
+import {
+  type ExamQuestionView,
+  type ExamResult,
+  type OptionKey,
+  type SubjectItem,
+  fetchActiveSubjects,
+  loadQuestions,
+  startExam,
+  submitExam,
+} from './quiz.service';
+
+export default defineComponent({
+  name: 'QuizView',
+  setup() {
+    const subjects = ref<SubjectItem[]>([]);
+    const selectedSubjectId = ref<number | null>(null);
+    const attemptId = ref<number | null>(null);
+    const questions = ref<ExamQuestionView[]>([]);
+    const selectedAnswers = ref<Record<number, OptionKey | null>>({});
+    const result = ref<ExamResult | null>(null);
+    const errorMessage = ref<string | null>(null);
+    const loading = ref(false);
+
+    onMounted(async () => {
+      try {
+        subjects.value = await fetchActiveSubjects();
+      } catch {
+        errorMessage.value = '과목 목록을 불러오지 못했습니다.';
+      }
+    });
+
+    const handleStartExam = async () => {
+      if (!selectedSubjectId.value) return;
+
+      errorMessage.value = null;
+      loading.value = true;
+
+      try {
+        const started = await startExam(selectedSubjectId.value);
+        attemptId.value = started.attemptId;
+
+        const loadedQuestions = await loadQuestions(started.attemptId);
+        questions.value = loadedQuestions;
+        selectedAnswers.value = {};
+
+        loadedQuestions.forEach(q => {
+          selectedAnswers.value[q.questionId] = null;
+        });
+      } catch (err: any) {
+        errorMessage.value = err?.response?.data?.detail || '응시를 시작할 수 없습니다.';
+        attemptId.value = null;
+      } finally {
+        loading.value = false;
+      }
+    };
+
+    const handleSubmitExam = async () => {
+      if (!attemptId.value) return;
+
+      errorMessage.value = null;
+      loading.value = true;
+
+      try {
+        const payload = questions.value.map(q => ({
+          questionId: q.questionId,
+          selectedOption: selectedAnswers.value[q.questionId] ?? null,
+        }));
+
+        result.value = await submitExam(attemptId.value, payload);
+      } catch (err: any) {
+        errorMessage.value = err?.response?.data?.detail || '답안 제출 중 오류가 발생했습니다.';
+      } finally {
+        loading.value = false;
+      }
+    };
+
+    const resetQuiz = () => {
+      attemptId.value = null;
+      questions.value = [];
+      selectedAnswers.value = {};
+      result.value = null;
+      errorMessage.value = null;
+    };
+
+    return {
+      subjects,
+      selectedSubjectId,
+      attemptId,
+      questions,
+      selectedAnswers,
+      result,
+      errorMessage,
+      loading,
+      handleStartExam,
+      handleSubmitExam,
+      resetQuiz,
+    };
+  },
+});

src/main/webapp/app/quiz/quiz.service.ts

@@ -0,0 +1,64 @@
+import axios from 'axios';
+
+export type OptionKey = 'A' | 'B' | 'C' | 'D';
+
+export interface SubjectItem {
+  id: number;
+  name: string;
+  description?: string;
+  active: boolean;
+}
+
+export interface ChoiceView {
+  optionKey: OptionKey;
+  content: string;
+  displayOrder: number;
+}
+
+export interface ExamQuestionView {
+  questionId: number;
+  prompt: string;
+  choices: ChoiceView[];
+}
+
+export interface SubmitAnswer {
+  questionId: number;
+  selectedOption: OptionKey | null;
+}
+
+export interface AnswerResult {
+  questionId: number;
+  questionText: string;
+  selectedOption: OptionKey | null;
+  selectedContent: string | null;
+  correct: boolean;
+  awardedPoints: number;
+  explanation?: string;
+}
+
+export interface ExamResult {
+  attemptId: number;
+  totalScore: number;
+  submittedAt: string;
+  answers: AnswerResult[];
+}
+
+export async function fetchActiveSubjects(): Promise<SubjectItem[]> {
+  const response = await axios.get<SubjectItem[]>('/api/subjects?page=0&size=100');
+  return response.data.filter(s => s.active);
+}
+
+export async function startExam(subjectId: number): Promise<{ attemptId: number; startedAt: string }> {
+  const response = await axios.post('/api/exam-attempts/start', { subjectId });
+  return response.data;
+}
+
+export async function loadQuestions(attemptId: number): Promise<ExamQuestionView[]> {
+  const response = await axios.get<ExamQuestionView[]>(`/api/exam-attempts/${attemptId}/questions`);
+  return response.data;
+}
+
+export async function submitExam(attemptId: number, answers: SubmitAnswer[]): Promise<ExamResult> {
+  const response = await axios.post<ExamResult>(`/api/exam-attempts/${attemptId}/submit`, { answers });
+  return response.data;
+}

src/main/webapp/app/quiz/quiz.vue

@@ -0,0 +1,78 @@
+<template>
+  <div class="container mt-4">
+    <h2>온라인 문제 풀이</h2>
+
+    <div v-if="errorMessage" class="alert alert-danger mt-3">
+      {{ errorMessage }}
+    </div>
+
+    <!-- 1단계: 과목 선택 -->
+    <div v-if="!attemptId" class="card p-4 mt-3">
+      <h4>응시할 과목을 선택하세요</h4>
+
+      <div class="form-group mt-2">
+        <select v-model="selectedSubjectId" class="form-control">
+          <option :value="null" disabled>-- 과목 선택 --</option>
+          <option v-for="subject in subjects" :key="subject.id" :value="subject.id">
+            {{ subject.name }}
+          </option>
+        </select>
+      </div>
+
+      <button class="btn btn-primary mt-3" :disabled="!selectedSubjectId || loading" @click="handleStartExam">응시 시작</button>
+    </div>
+
+    <!-- 2단계: 문제 풀이 -->
+    <div v-if="attemptId && !result" class="mt-3">
+      <div v-for="(q, index) in questions" :key="q.questionId" class="card p-3 mb-3">
+        <h5>문제 {{ index + 1 }}. {{ q.prompt }}</h5>
+
+        <div v-for="choice in q.choices" :key="choice.optionKey" class="form-check mt-2">
+          <input
+            :id="'q-' + q.questionId + '-' + choice.optionKey"
+            v-model="selectedAnswers[q.questionId]"
+            class="form-check-input"
+            type="radio"
+            :name="'question-' + q.questionId"
+            :value="choice.optionKey"
+          />
+
+          <label class="form-check-label" :for="'q-' + q.questionId + '-' + choice.optionKey">
+            <strong>{{ choice.optionKey }}.</strong>
+            {{ choice.content }}
+          </label>
+        </div>
+      </div>
+
+      <button class="btn btn-success" :disabled="loading" @click="handleSubmitExam">답안 제출 및 채점</button>
+    </div>
+
+    <!-- 3단계: 채점 결과 -->
+    <div v-if="result" class="card p-4 mt-3">
+      <h3>채점 결과: 총점 {{ result.totalScore }} / {{ result.answers.length }}점</h3>
+
+      <p class="text-muted">제출 시각: {{ result.submittedAt }}</p>
+
+      <div v-for="(ans, idx) in result.answers" :key="ans.questionId" class="border-top pt-3 mt-3">
+        <h5>
+          문제 {{ idx + 1 }}. {{ ans.questionText }}
+
+          <span :class="ans.correct ? 'badge bg-success' : 'badge bg-danger'">
+            {{ ans.correct ? '정답 (+1점)' : '오답 (0점)' }}
+          </span>
+        </h5>
+
+        <p class="mb-1">
+          내 선택:
+          {{ ans.selectedOption ? `${ans.selectedOption} (${ans.selectedContent})` : '무응답' }}
+        </p>
+
+        <p v-if="ans.explanation" class="text-info mb-0"><strong>해설:</strong> {{ ans.explanation }}</p>
+      </div>
+
+      <button class="btn btn-secondary mt-4" @click="resetQuiz">다른 과목 응시하기</button>
+    </div>
+  </div>
+</template>
+
+<script lang="ts" src="./quiz.component.ts"></script>

src/main/webapp/app/router/index.ts

@@ -7,6 +7,8 @@ import admin from '@/router/admin';
 import entities from '@/router/entities';
 import pages from '@/router/pages';
 
+const QuizView = () => import('@/quiz/quiz.vue');
+
 export const createRouter = () =>
   createVueRouter({
     history: createWebHistory(),
@@ -28,6 +30,12 @@ export const createRouter = () =>
         component: Error,
         meta: { error404: true },
       },
+      {
+        path: '/quiz',
+        name: 'QuizView',
+        component: QuizView,
+        meta: { authorities: ['ROLE_USER'] },
+      },
       ...account,
       ...admin,
       entities,