[Feature] #95 - 어제 푼 퀴즈 조회 API 구현

src/main/java/dgu/sw/domain/quiz/controller/QuizController.java

@@ -1,5 +1,6 @@
 package dgu.sw.domain.quiz.controller;
 
+import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.YesterdayQuizResponse;
 import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.QuizMainPageResponse;
 import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.QuizSearchResponse;
 import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.QuizReviewResponse;
@@ -93,4 +94,11 @@ public ApiResponse<QuizMainPageResponse> getQuizMainInfo(Authentication authenti
         QuizMainPageResponse response = quizService.getQuizMainPageData(authentication.getName());
         return ApiResponse.onSuccess(response);
     }
+
+    @GetMapping("/yesterday")
+    @Operation(summary = "어제 푼 퀴즈 조회", description = "어제 푼 퀴즈 목록을 반환합니다.")
+    public ApiResponse<List<YesterdayQuizResponse>> getYesterdayQuizzes(Authentication authentication) {
+        List<YesterdayQuizResponse> response = quizService.getYesterdaySolvedQuizzes(authentication.getName());
+        return ApiResponse.onSuccess(response);
+    }
 }

src/main/java/dgu/sw/domain/quiz/converter/QuizConverter.java

@@ -1,5 +1,6 @@
 package dgu.sw.domain.quiz.converter;
 
+import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.YesterdayQuizResponse;
 import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.QuizSearchResponse;
 import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.QuizListResponse;
 import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.QuizDetailResponse;
@@ -22,6 +23,7 @@ public static UserQuiz toUserQuiz(User user, Quiz quiz, boolean isCorrect) {
                 .isLocked(false)
                 .isReviewed(false)
                 .solvedDate(LocalDate.now())
+                .retriedToday(false)
                 .build();
     }
 
@@ -94,4 +96,16 @@ public static QuizSearchResponse toQuizSearchResponse(Quiz quiz, boolean isLocke
                 .build();
     }
 
+    public static YesterdayQuizResponse toYesterdayQuizResponse(
+            Quiz quiz,
+            boolean isInReviewList,
+            boolean retriedToday
+    ) {
+        return YesterdayQuizResponse.builder()
+                .quizId(quiz.getQuizId())
+                .question(quiz.getQuestion())
+                .isInReviewList(isInReviewList)
+                .retriedToday(retriedToday)
+                .build();
+    }
 }

src/main/java/dgu/sw/domain/quiz/dto/QuizDTO.java

@@ -87,5 +87,14 @@ public static class QuizMainPageResponse {
             private Double topPercentile;
             private List<QuizListResponse> top5WrongQuizzes;
         }
+
+        @Getter
+        @Builder
+        public static class YesterdayQuizResponse {
+            private Long quizId;
+            private String question;
+            private boolean isInReviewList;
+            private boolean retriedToday;
+        }
     }
 }

src/main/java/dgu/sw/domain/quiz/repository/UserQuizRepository.java

@@ -26,4 +26,7 @@ public interface UserQuizRepository extends JpaRepository<UserQuiz, Long> {
     List<Quiz> findTop5MostWrongOnDate(@Param("date") LocalDate date);
 
     boolean existsByUser_UserIdAndQuiz_QuizIdAndSolvedDate(Long userId, Long quizId, LocalDate solvedDate);
+
+    List<UserQuiz> findByUser_UserIdAndSolvedDate(Long userId, LocalDate solvedDate);
+
 }

src/main/java/dgu/sw/domain/quiz/service/QuizService.java

@@ -1,5 +1,6 @@
 package dgu.sw.domain.quiz.service;
 
+import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.YesterdayQuizResponse;
 import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.QuizMainPageResponse;
 import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.QuizReviewResponse;
 import dgu.sw.domain.quiz.dto.QuizDTO.QuizRequest.SubmitQuizRequest;
@@ -19,4 +20,5 @@ public interface QuizService {
     List<QuizSearchResponse> searchQuizzes(String userId, String keyword);
     List<QuizReviewResponse> getReviewList(String userId);
     QuizMainPageResponse getQuizMainPageData(String userId);
+    List<YesterdayQuizResponse> getYesterdaySolvedQuizzes(String userId);
 }

src/main/java/dgu/sw/domain/quiz/service/QuizServiceImpl.java

@@ -1,6 +1,7 @@
 package dgu.sw.domain.quiz.service;
 
 import dgu.sw.domain.quiz.converter.QuizConverter;
+import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.YesterdayQuizResponse;
 import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.QuizMainPageResponse;
 import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.QuizSearchResponse;
 import dgu.sw.domain.quiz.dto.QuizDTO.QuizResponse.QuizReviewResponse;
@@ -133,7 +134,6 @@ public QuizResultResponse submitQuizAnswer(String userId, Long quizId, SubmitQui
 
         if (existingUserQuiz != null) {
             existingUserQuiz.updateCorrect(isCorrect);
-            existingUserQuiz.updateSolvedDate(LocalDate.now());
 
             // retriedToday 체크
             boolean solvedYesterday = userQuizRepository.existsByUser_UserIdAndQuiz_QuizIdAndSolvedDate(
@@ -147,9 +147,6 @@ public QuizResultResponse submitQuizAnswer(String userId, Long quizId, SubmitQui
             User user = userRepository.findByUserId(Long.valueOf(userId));
             UserQuiz userQuiz = QuizConverter.toUserQuiz(user, quiz, isCorrect);
 
-            userQuiz.updateSolvedDate(LocalDate.now());
-            userQuiz.updateRetriedToday(false); // retriedToday 기본값 false
-
             userQuizRepository.save(userQuiz);
         }
 
@@ -296,4 +293,26 @@ public QuizMainPageResponse getQuizMainPageData(String userId) {
                 .top5WrongQuizzes(top5Responses)
                 .build();
     }
+
+    @Override
+    public List<YesterdayQuizResponse> getYesterdaySolvedQuizzes(String userId) {
+        Long uid = Long.valueOf(userId);
+        LocalDate yesterday = LocalDate.now().minusDays(1);
+
+        List<UserQuiz> solvedQuizzes = userQuizRepository.findByUser_UserIdAndSolvedDate(uid, yesterday);
+
+        if (solvedQuizzes.isEmpty()) {
+            throw new QuizException(ErrorStatus.QUIZ_SEARCH_NO_RESULTS);
+        }
+
+        return solvedQuizzes.stream()
+                .map(userQuiz -> {
+                    Quiz quiz = userQuiz.getQuiz();
+                    boolean isInReviewList = quizReviewListRepository.existsByUser_UserIdAndQuiz_QuizId(uid, quiz.getQuizId());
+                    boolean retriedToday = Boolean.TRUE.equals(userQuiz.getRetriedToday());
+
+                    return QuizConverter.toYesterdayQuizResponse(quiz, isInReviewList, retriedToday);
+                })
+                .collect(Collectors.toList());
+    }
 }