♻️ quizMinData 생성

Author: sehee123

backend/src/main/java/io/f1/backend/domain/game/app/RoomService.java

@@ -36,6 +36,7 @@
 import io.f1.backend.domain.game.store.RoomRepository;
 import io.f1.backend.domain.question.entity.Question;
 import io.f1.backend.domain.quiz.app.QuizService;
+import io.f1.backend.domain.quiz.dto.QuizMinData;
 import io.f1.backend.domain.quiz.entity.Quiz;
 import io.f1.backend.domain.user.dto.UserPrincipal;
 import io.f1.backend.global.exception.CustomException;
@@ -67,10 +68,10 @@ public class RoomService {
 
     public RoomCreateResponse saveRoom(RoomCreateRequest request) {
 
-        Long quizMinId = quizService.getQuizMinId();
-        Quiz quiz = quizService.getQuizWithQuestionsById(quizMinId);
+        QuizMinData quizMinData = quizService.getQuizMinData();
+        //Quiz quiz = quizService.getQuizWithQuestionsById(quizMinId);
 
-        GameSetting gameSetting = toGameSetting(quiz);
+        GameSetting gameSetting = toGameSetting(quizMinData);
 
         Player host = createPlayer();
 
@@ -84,7 +85,7 @@ public RoomCreateResponse saveRoom(RoomCreateRequest request) {
 
         roomRepository.saveRoom(room);
 
-        eventPublisher.publishEvent(new RoomCreatedEvent(room, quiz));
+        //eventPublisher.publishEvent(new RoomCreatedEvent(room, quiz));
 
         return new RoomCreateResponse(newId);
     }

backend/src/main/java/io/f1/backend/domain/game/mapper/RoomMapper.java

@@ -17,6 +17,7 @@
 import io.f1.backend.domain.game.model.Player;
 import io.f1.backend.domain.game.model.Room;
 import io.f1.backend.domain.game.model.RoomSetting;
+import io.f1.backend.domain.quiz.dto.QuizMinData;
 import io.f1.backend.domain.quiz.entity.Quiz;
 
 import java.time.Instant;
@@ -32,8 +33,8 @@ public static RoomSetting toRoomSetting(RoomCreateRequest request) {
                 request.roomName(), request.maxUserCount(), request.locked(), request.password());
     }
 
-    public static GameSetting toGameSetting(Quiz quiz) {
-        return new GameSetting(quiz.getId(), quiz.getQuestions().size(), DEFAULT_TIME_LIMIT);
+    public static GameSetting toGameSetting(QuizMinData quizMinData) {
+        return new GameSetting(quizMinData.quizMinId(), quizMinData.questionCount().intValue(), DEFAULT_TIME_LIMIT);
     }
 
     public static RoomSettingResponse toRoomSettingResponse(Room room) {

backend/src/main/java/io/f1/backend/domain/quiz/app/QuizService.java

@@ -12,6 +12,7 @@
 import io.f1.backend.domain.quiz.dto.QuizCreateResponse;
 import io.f1.backend.domain.quiz.dto.QuizListPageResponse;
 import io.f1.backend.domain.quiz.dto.QuizListResponse;
+import io.f1.backend.domain.quiz.dto.QuizMinData;
 import io.f1.backend.domain.quiz.dto.QuizQuestionListResponse;
 import io.f1.backend.domain.quiz.entity.Quiz;
 import io.f1.backend.domain.user.dao.UserRepository;
@@ -236,8 +237,8 @@ public Quiz getQuizWithQuestionsById(Long quizId) {
     }
 
     @Transactional(readOnly = true)
-    public Long getQuizMinId() {
-        return quizRepository.getQuizMinId();
+    public QuizMinData getQuizMinData() {
+        return quizRepository.getQuizMinData();
     }
 
     @Transactional(readOnly = true)

backend/src/main/java/io/f1/backend/domain/quiz/dao/QuizRepository.java

@@ -1,6 +1,7 @@
 package io.f1.backend.domain.quiz.dao;
 
 import io.f1.backend.domain.question.entity.Question;
+import io.f1.backend.domain.quiz.dto.QuizMinData;
 import io.f1.backend.domain.quiz.entity.Quiz;
 
 import org.springframework.data.domain.Page;
@@ -20,8 +21,14 @@ public interface QuizRepository extends JpaRepository<Quiz, Long> {
     @Query("SELECT q FROM Quiz q LEFT JOIN FETCH q.questions WHERE q.id = :quizId")
     Optional<Quiz> findQuizWithQuestionsById(Long quizId);
 
-    @Query("SELECT MIN(q.id) FROM Quiz q")
-    Long getQuizMinId();
+    @Query("""
+    SELECT new io.f1.backend.domain.quiz.dto.QuizMinData (q.id, COUNT(qs.id))
+    FROM Quiz q
+    LEFT JOIN q.questions qs
+    WHERE q.id = (SELECT MIN(q2.id) FROM Quiz q2)
+    GROUP BY q.id
+""")
+    QuizMinData getQuizMinData();
 
     @Query(
             value = "SELECT * FROM question WHERE quiz_id = :quizId ORDER BY RAND() LIMIT :round",

backend/src/main/java/io/f1/backend/domain/quiz/dto/QuizMinData.java

@@ -0,0 +1,5 @@
+package io.f1.backend.domain.quiz.dto;
+
+public record QuizMinData(Long quizMinId, Long questionCount) {
+
+}