✨ [feat] 지식그래프 퀴즈 생성을 위한 기본 세팅 및 로직 구현

src/main/java/com/going/server/domain/graph/entity/Graph.java

@@ -0,0 +1,21 @@
+package com.going.server.domain.graph.entity;
+
+import com.going.server.global.common.BaseEntity;
+import lombok.Getter;
+import lombok.Setter;
+import org.springframework.data.neo4j.core.schema.GeneratedValue;
+import org.springframework.data.neo4j.core.schema.Id;
+import org.springframework.data.neo4j.core.schema.Node;
+
+@Node("KnowledgeGraph")
+@Getter
+@Setter
+public class Graph extends BaseEntity {
+    @Id
+    @GeneratedValue
+    private Long id; //그래프 id
+    private String title; // 그래프 제목
+    private boolean listenUpPerfect; //listenUp 퀴즈 만접 여부
+    private boolean connectPerfect; //connect 퀴즈 만접 여부
+    private boolean picturePerfect; //picture 퀴즈 만접 여부
+}

src/main/java/com/going/server/domain/graph/exception/GraphErrorCode.java

@@ -0,0 +1,17 @@
+package com.going.server.domain.graph.exception;
+
+import com.going.server.global.exception.BaseErrorCode;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import static com.going.server.global.constant.StaticValue.NOT_FOUND;
+
+@Getter
+@AllArgsConstructor
+public enum GraphErrorCode implements BaseErrorCode {
+    GRAPH_NOT_FOUND(NOT_FOUND, "GRAPH_404_1", "존재하지 않는 graph_id 입니다.");
+
+    private final int httpStatus;
+    private final String code;
+    private final String message;
+}

src/main/java/com/going/server/domain/graph/exception/GraphNotFoundException.java

@@ -0,0 +1,9 @@
+package com.going.server.domain.graph.exception;
+
+import com.going.server.global.exception.BaseException;
+
+public class GraphNotFoundException extends BaseException {
+    public GraphNotFoundException() {
+        super(GraphErrorCode.GRAPH_NOT_FOUND);
+    }
+}

src/main/java/com/going/server/domain/graph/repository/GraphRepository.java

@@ -0,0 +1,9 @@
+package com.going.server.domain.graph.repository;
+
+import com.going.server.domain.graph.entity.Graph;
+import jdk.jfr.Registered;
+import org.springframework.data.neo4j.repository.Neo4jRepository;
+
+@Registered
+public interface GraphRepository extends Neo4jRepository<Graph, Long> {
+}

src/main/java/com/going/server/domain/quiz/controller/QuizController.java

@@ -15,7 +15,7 @@
 @RestController
 @RequestMapping("/quiz")
 @RequiredArgsConstructor
-@Tag(name="[캡스톤]Quiz", description = "퀴즈 관련 통신을 위한 API")
+@Tag(name="[캡스톤]ListenUpQuiz", description = "퀴즈 관련 통신을 위한 API")
 public class QuizController {
 
     private QuizServiceImpl quizService;
@@ -33,7 +33,7 @@ public class QuizController {
             )
     })
     public SuccessResponse<?> createQuiz(@PathVariable String graphId, @RequestParam String mode) {
-        QuizCreateResponseDto result = quizService.QuizCreate(graphId, mode);
+        QuizCreateResponseDto result = quizService.quizCreate(graphId, mode);
         return SuccessResponse.of(result);
     }
 

src/main/java/com/going/server/domain/quiz/dto/QuizCreateResponseDto.java

@@ -1,15 +1,17 @@
 package com.going.server.domain.quiz.dto;
 
 import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.AllArgsConstructor;
 
 // 퀴즈 생성 반환 DTO
-public class QuizCreateResponseDto {
+@AllArgsConstructor
+public class QuizCreateResponseDto<T> {
     private String graphId;
     private String mode; // listenUp, connect, picture
 
     @Schema(oneOf = {
             ListenUpQuizDto.class,
             ConnectQuizDto.class,
             PictureQuizDto.class})
-    private Object quizzes;
+    private T quizzes;
 }

src/main/java/com/going/server/domain/quiz/service/QuizService.java

@@ -6,6 +6,6 @@
 @Service
 public interface QuizService {
 
-    // ListenUp 퀴즈 생성
-    public QuizCreateResponseDto QuizCreate(String mode, String graphId);
+    // 모드 별 퀴즈 생성
+    public QuizCreateResponseDto quizCreate(String mode, String graphId);
 }

src/main/java/com/going/server/domain/quiz/service/QuizServiceImpl.java

@@ -1,17 +1,60 @@
 package com.going.server.domain.quiz.service;
 
+import com.going.server.domain.graph.entity.Graph;
+import com.going.server.domain.graph.exception.GraphNotFoundException;
+import com.going.server.domain.graph.repository.GraphRepository;
+import com.going.server.domain.quiz.dto.ConnectQuizDto;
+import com.going.server.domain.quiz.dto.ListenUpQuizDto;
+import com.going.server.domain.quiz.dto.PictureQuizDto;
 import com.going.server.domain.quiz.dto.QuizCreateResponseDto;
+import lombok.AllArgsConstructor;
 
+@AllArgsConstructor
 public class QuizServiceImpl implements QuizService{
-
+    private final GraphRepository graphRepository;
 
     @Override
-    public QuizCreateResponseDto QuizCreate(String mode, String graphId) {
-        // TODO : mode별 분기 필요
+    public QuizCreateResponseDto quizCreate(String mode, String graphIdStr) {
+        Long graphId = Long.valueOf(graphIdStr);
+
+        // 404 : 지식그래프 찾을 수 없음
+        Graph graph = graphRepository.findById(graphId)
+                .orElseThrow(GraphNotFoundException::new);
+
+        Object quizDto = null;
 
-        // TODO : graphId로 지식그래프 예시 문장 3개 랜덤으로 가져오기
+        switch (mode) {
+            case "listenUp":
+                quizDto = listenUpQuizCreate(graph);
+                break;
+            case "connect":
+                quizDto = connectQuizCreate(graph);
+                break;
+            case "picture":
+                quizDto = pictureQuizCreate(graph);
+                break;
+            default:
+                // TODO : 퀴즈 모드 관련 예외처리 필요
+        }
+
+        return new QuizCreateResponseDto<>(graphIdStr, mode, quizDto);
+    }
+
+    // listenUp 퀴즈 생성 메서드
+    private ListenUpQuizDto listenUpQuizCreate(Graph graph) {
+        // TODO : listenUp 퀴즈 생성 로직 작성
+        return new ListenUpQuizDto();
+    }
+
+    // connect 퀴즈 생성 메서드
+    private ConnectQuizDto connectQuizCreate(Graph graph) {
+        // TODO : connect 퀴즈 생성 로직 작성
+        return new ConnectQuizDto();
+    }
 
-        // TODO : 각 문장을 반환 형식에 맞게 가공
-        return null;
+    // picture 퀴즈 생성 메서드
+    private PictureQuizDto pictureQuizCreate(Graph graph) {
+        // TODO : picture 퀴즈 생성 로직 작성
+        return new PictureQuizDto();
     }
-}
+}