add check quizz for student

Backend/src/controllers/CoursesStudentController.ts

@@ -11,6 +11,8 @@ import {
     SaveVideoProgressBody,
     GetVideoProgressResponse,
     CompleteLessonResponse,
+    SubmitQuizResponse,
+    SubmitQuizBody,
 } from '../types/CoursesStudent.types';
 import { EnrollmentStatus } from '@prisma/client';
 
@@ -202,4 +204,34 @@ export class CoursesStudentController {
         }
         return await this.service.completeLesson({ token, lesson_id: lessonId });
     }
+
+    /**
+     * ส่งคำตอบ Quiz และรับผลคะแนน
+     * Submit quiz answers and get score
+     * @param courseId - รหัสคอร์ส / Course ID
+     * @param lessonId - รหัสบทเรียน / Lesson ID
+     */
+    @Post('courses/{courseId}/lessons/{lessonId}/quiz/submit')
+    @Security('jwt', ['student'])
+    @SuccessResponse('200', 'Quiz submitted successfully')
+    @Response('401', 'Invalid or expired token')
+    @Response('403', 'Not enrolled in this course')
+    @Response('404', 'Lesson or quiz not found')
+    public async submitQuiz(
+        @Request() request: any,
+        @Path() courseId: number,
+        @Path() lessonId: number,
+        @Body() body: SubmitQuizBody
+    ): Promise<SubmitQuizResponse> {
+        const token = request.headers.authorization?.replace('Bearer ', '');
+        if (!token) {
+            throw new ValidationError('No token provided');
+        }
+        return await this.service.submitQuiz({
+            token,
+            course_id: courseId,
+            lesson_id: lessonId,
+            answers: body.answers,
+        });
+    }
 }