✨ [feat] 지식그래프 관련 api 구조 셋팅

src/main/java/com/going/server/domain/graph/controller/graphController.java

@@ -2,6 +2,8 @@
 
 import com.going.server.domain.graph.dto.graphDto;
 import com.going.server.domain.graph.dto.graphListDto;
+import com.going.server.domain.graph.dto.knowledgeGraphDto;
+import com.going.server.domain.graph.dto.nodeDetailDto;
 import com.going.server.domain.graph.service.graphService;
 import com.going.server.global.response.SuccessResponse;
 import io.swagger.v3.oas.annotations.Operation;
@@ -54,4 +56,38 @@ public SuccessResponse<?> deleteGraph(@PathVariable("graphId") Long graphId) {
         return SuccessResponse.empty();
     }
 
+    @GetMapping("/{graphId}")
+    @Operation(summary = "지식 그래프 전체 데이터(전체 화면) 조회", description = "현재 저장된 전체 지식 그래프 데이터를 조회합니다.")
+    @ApiResponses({
+            @ApiResponse(
+                    responseCode = "200",
+                    description = "지식 그래프가 성공적으로 조회되었습니다.",
+                    content = @Content(
+                            mediaType = "application/json",
+                            schema = @Schema(example = "{\"message\":\"\"}")
+                    )
+            )
+    })
+    public SuccessResponse<knowledgeGraphDto> getGraph(@PathVariable("graphId") Long graphId) {
+        knowledgeGraphDto result = graphService.getGraph(graphId);
+        return SuccessResponse.of(result);
+    }
+
+    @GetMapping("/{graphId}/{nodeId}")
+    @Operation(summary = "지식 그래프 상세 조회 (노드 상세 조회)", description = "특정 노드의 상세 정보를 조회합니다.")
+    @ApiResponses({
+            @ApiResponse(
+                    responseCode = "200",
+                    description = "노드가 성공적으로 조회되었습니다.",
+                    content = @Content(
+                            mediaType = "application/json",
+                            schema = @Schema(example = "{\"message\":\"\"}")
+                    )
+            )
+    })
+    public SuccessResponse<nodeDetailDto> getNode(@PathVariable("graphId") Long graphId, @PathVariable("nodeId") Long nodeId) {
+        nodeDetailDto result = graphService.getNode(graphId,nodeId);
+        return SuccessResponse.of(result);
+    }
+
 }

src/main/java/com/going/server/domain/graph/dto/edgeDto.java

@@ -0,0 +1,18 @@
+package com.going.server.domain.graph.dto;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@Builder
+public class edgeDto {
+    private String source;
+    private String target;
+    private String label;
+
+    public static edgeDto from(String source, String target, String label) {
+        return edgeDto.builder().source(source).target(target).label(label).build();
+    }
+}

src/main/java/com/going/server/domain/graph/dto/knowledgeGraphDto.java

@@ -0,0 +1,18 @@
+package com.going.server.domain.graph.dto;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.List;
+
+@Getter
+@Setter
+@Builder
+public class knowledgeGraphDto {
+    private List<nodeDto> nodes;
+    private List<edgeDto> edges;
+    public static knowledgeGraphDto of(List<nodeDto> nodes, List<edgeDto> edges) {
+        return knowledgeGraphDto.builder().nodes(nodes).edges(edges).build();
+    }
+}

src/main/java/com/going/server/domain/graph/dto/nodeDetailDto.java

@@ -0,0 +1,20 @@
+package com.going.server.domain.graph.dto;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@Builder
+public class nodeDetailDto {
+    private String id;
+    private String word;
+    private String sentence;
+    private String image_url;
+    private String audio_url;
+
+    public static nodeDetailDto from(String id, String word, String sentence, String image_url, String audio_url) {
+        return nodeDetailDto.builder().id(id).word(word).image_url(image_url).audio_url(audio_url).build();
+    }
+}

src/main/java/com/going/server/domain/graph/dto/nodeDto.java

@@ -0,0 +1,21 @@
+package com.going.server.domain.graph.dto;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.Setter;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Getter
+@Setter
+@Builder
+public class nodeDto {
+    private String id;
+    private String label; //노트에 나올 아름
+    private Long level; //노드 깊이
+    private String image; //노드 이미지 주소
+    private String description; //노드 확대 시 나올 설명
+
+    public static nodeDto from(String id, String label, Long level, String image, String description) {
+        return nodeDto.builder().id(id).label(label).level(level).image(image).description(description).build();
+    }
+}

src/main/java/com/going/server/domain/graph/service/graphService.java

@@ -2,8 +2,14 @@
 
 import com.going.server.domain.graph.dto.graphDto;
 import com.going.server.domain.graph.dto.graphListDto;
+import com.going.server.domain.graph.dto.knowledgeGraphDto;
+import com.going.server.domain.graph.dto.nodeDetailDto;
 
 public interface graphService {
     graphListDto getGraphList();
     void deleteGraph(Long graphId);
+
+    knowledgeGraphDto getGraph(Long graphId);
+
+    nodeDetailDto getNode(Long graphId, Long nodeId);
 }

src/main/java/com/going/server/domain/graph/service/graphServiceImpl.java

@@ -1,9 +1,11 @@
 package com.going.server.domain.graph.service;
 
-import com.going.server.domain.graph.dto.graphDto;
-import com.going.server.domain.graph.dto.graphListDto;
+import com.going.server.domain.graph.dto.*;
 import org.springframework.stereotype.Service;
 
+import java.util.ArrayList;
+import java.util.List;
+
 @Service
 public class graphServiceImpl implements graphService {
 
@@ -18,4 +20,24 @@ public void deleteGraph(Long graphId) {
         //TODO : graphId로 그래프 찾기
         //TODO : 그래프 삭제하는 코드 작성
     }
+
+    @Override
+    public knowledgeGraphDto getGraph(Long graphId) {
+        //TODO : graphId로 그래프 찾기
+
+        //TODO : nodeDto에 값 매핑하는 코드 작성
+        List<nodeDto> nodeDto = new ArrayList<>();
+
+        //TODO : edgeDto에 값 매핑하는 코드 작성
+        List<edgeDto> edgeDto = new ArrayList<>();
+
+        return knowledgeGraphDto.of(nodeDto,edgeDto);
+    }
+
+    @Override
+    public nodeDetailDto getNode(Long graphId, Long nodeId) {
+        //TODO : graphId로 그래프 찾기
+        //TODO : nodeId로 노드 찾기
+        return nodeDetailDto.from(null,null,null,null,null);
+    }
 }