PolygonData -> JsonNode 변환 예제 커밋

src/main/java/com/kamco/cd/kamcoback/changedetection/ChangeDetectionApiController.java

@@ -1,16 +1,19 @@
 package com.kamco.cd.kamcoback.changedetection;
 
+import com.fasterxml.jackson.databind.JsonNode;
 import com.kamco.cd.kamcoback.changedetection.dto.ChangeDetectionDto;
 import com.kamco.cd.kamcoback.changedetection.service.ChangeDetectionService;
 import com.kamco.cd.kamcoback.config.api.ApiResponseDto;
+import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.transaction.Transactional;
-import java.util.List;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.List;
+
 @Tag(name = "변화탐지", description = "변화탐지 API")
 @RequiredArgsConstructor
 @RestController
@@ -20,8 +23,19 @@ public class ChangeDetectionApiController {
 
   private final ChangeDetectionService changeDetectionService;
 
+  @Hidden
+  @Deprecated
   @GetMapping
-  public ApiResponseDto<List<ChangeDetectionDto>> getPolygonToPoint() {
+  public ApiResponseDto<List<ChangeDetectionDto.TestDto>> getPolygonToPoint() {
     return ApiResponseDto.ok(changeDetectionService.getPolygonToPoint());
   }
+
+  /**
+   * PolygonData -> JsonNode 변환 예제
+   * @return
+   */
+  @GetMapping("/json-data")
+  public ApiResponseDto<List<JsonNode>> getPolygonToJson(){
+    return ApiResponseDto.ok(changeDetectionService.getPolygonToJson());
+  }
 }

src/main/java/com/kamco/cd/kamcoback/changedetection/dto/ChangeDetectionDto.java

@@ -1,5 +1,74 @@
 package com.kamco.cd.kamcoback.changedetection.dto;
 
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
 import org.locationtech.jts.geom.Geometry;
 
-public record ChangeDetectionDto(Long id, Geometry polygon, double centroidX, double centroidY) {}
+public class ChangeDetectionDto{
+
+  @Schema(name = "TestDto", description = "테스트용")
+  @Getter
+  @Setter
+  @NoArgsConstructor
+  @AllArgsConstructor
+  public static class TestDto {
+    private Long id;
+    private Geometry polygon;
+    private Double centroidX;;
+    private Double centroidY;
+  }
+
+  @Schema(name = "PolygonGeometry", description = "폴리곤 리턴 객체")
+  @Getter
+  @Setter
+  @NoArgsConstructor
+  @AllArgsConstructor
+  public static class PointGeometry{
+    private Long geoUid;
+    private String type;    // "Point"
+    private Geometry coordinates;   //Point 값
+    private String before_class;        //기준 분류
+    private String after_class;        //비교 분류
+  }
+
+  @Schema(name = "PolygonGeometry", description = "폴리곤 리턴 객체")
+  @Getter
+  @Setter
+  @NoArgsConstructor
+  @AllArgsConstructor
+  public static class PolygonGeometry{
+    private Long geoUid;
+    private String type;    // "MultiPolygon"
+    private Geometry coordinates;   //Polygon 값
+    private Double center_latitude;   //폴리곤 중심 위도
+    private Double center_longitude;  //폴리곤 중심 경도
+  }
+
+  @Schema(name = "CogURL", description = "COG URL")
+  @Getter
+  @Setter
+  @NoArgsConstructor
+  @AllArgsConstructor
+  public static class CogURL{
+    private String before_cog_url;      //기준 COG URL
+    private String after_cog_url;      //비교 COG URL
+  }
+
+  @Schema(name = "PolygonProperties", description = "폴리곤 정보")
+  @Getter
+  @Setter
+  @NoArgsConstructor
+  @AllArgsConstructor
+  public static class PolygonProperties{
+    private Double area;    //면적
+    private String before_year;         //기준년도
+    private Double before_confidence;   //기준 신뢰도(확률)
+    private String before_class;        //기준 분류
+    private String after_year;         //비교년도
+    private Double after_confidence;   //비교 신뢰도(확률)
+    private String after_class;        //비교 분류
+  }
+}

src/main/java/com/kamco/cd/kamcoback/changedetection/service/ChangeDetectionService.java

@@ -1,5 +1,6 @@
 package com.kamco.cd.kamcoback.changedetection.service;
 
+import com.fasterxml.jackson.databind.JsonNode;
 import com.kamco.cd.kamcoback.changedetection.dto.ChangeDetectionDto;
 import com.kamco.cd.kamcoback.postgres.core.ChangeDetectionCoreService;
 import java.util.List;
@@ -12,7 +13,11 @@ public class ChangeDetectionService {
 
   private final ChangeDetectionCoreService changeDetectionCoreService;
 
-  public List<ChangeDetectionDto> getPolygonToPoint() {
+  public List<ChangeDetectionDto.TestDto> getPolygonToPoint() {
     return changeDetectionCoreService.getPolygonToPoint();
   }
+
+  public List<JsonNode> getPolygonToJson(){
+    return changeDetectionCoreService.getPolygonToJson();
+  }
 }

src/main/java/com/kamco/cd/kamcoback/postgres/core/ChangeDetectionCoreService.java

@@ -1,5 +1,8 @@
 package com.kamco.cd.kamcoback.postgres.core;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.kamco.cd.kamcoback.changedetection.dto.ChangeDetectionDto;
 import com.kamco.cd.kamcoback.postgres.entity.MapSheetAnalDataGeomEntity;
 import com.kamco.cd.kamcoback.postgres.repository.changedetection.ChangeDetectionRepository;
@@ -16,7 +19,7 @@ public class ChangeDetectionCoreService {
 
   private final ChangeDetectionRepository changeDetectionRepository;
 
-  public List<ChangeDetectionDto> getPolygonToPoint() {
+  public List<ChangeDetectionDto.TestDto> getPolygonToPoint() {
     List<MapSheetAnalDataGeomEntity> list = changeDetectionRepository.findAll();
 
     return list.stream()
@@ -26,7 +29,23 @@ public class ChangeDetectionCoreService {
               // 중심 좌표 계산
               Point centroid = polygon.getCentroid();
 
-              return new ChangeDetectionDto(p.getId(), polygon, centroid.getX(), centroid.getY());
+              return new ChangeDetectionDto.TestDto(p.getId(), polygon, centroid.getX(), centroid.getY());
+            })
+        .collect(Collectors.toList());
+  }
+
+  public List<JsonNode> getPolygonToJson() {
+    List<String> list = changeDetectionRepository.findPolygonJson();
+    ObjectMapper mapper = new ObjectMapper();
+
+    return list.stream()
+      .map(
+        s -> {
+          try {
+            return mapper.readTree(s);
+          } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
+          }
         })
       .collect(Collectors.toList());
   }

src/main/java/com/kamco/cd/kamcoback/postgres/repository/changedetection/ChangeDetectionRepositoryCustom.java

@@ -1,6 +1,10 @@
 package com.kamco.cd.kamcoback.postgres.repository.changedetection;
 
+import java.util.List;
+
 public interface ChangeDetectionRepositoryCustom {
 
   String getPolygonToPoint();
+
+  List<String> findPolygonJson();
 }

src/main/java/com/kamco/cd/kamcoback/postgres/repository/changedetection/ChangeDetectionRepositoryImpl.java

@@ -3,6 +3,7 @@ package com.kamco.cd.kamcoback.postgres.repository.changedetection;
 import static com.kamco.cd.kamcoback.postgres.entity.QMapSheetAnalDataGeomEntity.mapSheetAnalDataGeomEntity;
 
 import com.kamco.cd.kamcoback.postgres.entity.MapSheetAnalDataGeomEntity;
+import com.querydsl.core.types.dsl.Expressions;
 import com.querydsl.jpa.impl.JPAQueryFactory;
 import java.util.List;
 import org.springframework.data.jpa.repository.support.QuerydslRepositorySupport;
@@ -23,9 +24,13 @@ public class ChangeDetectionRepositoryImpl extends QuerydslRepositorySupport
     return null;
   }
 
-  public List<MapSheetAnalDataGeomEntity> findAll() {
+  @Override
+  public List<String> findPolygonJson(){
     return queryFactory
-        .selectFrom(mapSheetAnalDataGeomEntity)
+      .select(
+        Expressions.stringTemplate("ST_AsGeoJSON({0})", mapSheetAnalDataGeomEntity.geom)
+      )
+      .from(mapSheetAnalDataGeomEntity)
       .orderBy(mapSheetAnalDataGeomEntity.id.desc())
       .fetch();
   }