Feat: 카테고리 존재 여부 API

backend/src/main/java/com/worlabel/domain/labelcategory/controller/LabelCategoryController.java

@@ -1,8 +1,8 @@
-package com.worlabel.domain.category.controller;
+package com.worlabel.domain.labelcategory.controller;
 
-import com.worlabel.domain.category.entity.dto.LabelCategoryRequest;
+import com.worlabel.domain.labelcategory.entity.dto.LabelCategoryRequest;
-import com.worlabel.domain.category.entity.dto.LabelCategoryResponse;
+import com.worlabel.domain.labelcategory.entity.dto.LabelCategoryResponse;
-import com.worlabel.domain.category.service.LabelCategoryService;
+import com.worlabel.domain.labelcategory.service.LabelCategoryService;
 import com.worlabel.global.annotation.CurrentUser;
 import com.worlabel.global.config.swagger.SwaggerApiError;
 import com.worlabel.global.config.swagger.SwaggerApiSuccess;
@@ -12,6 +12,8 @@ import com.worlabel.global.response.SuccessResponse;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.repository.query.Param;
+import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
@@ -35,7 +37,7 @@ public class LabelCategoryController {
         return categoryService.createCategory(memberId, projectId, categoryRequest);
     }
 
-    @Operation(summary = "레이블 카테고리 단일 조회", description = "레이블 카테고리를 조회합니다..")
+    @Operation(summary = "레이블 카테고리 단일 조회", description = "레이블 카테고리를 조회합니다.")
     @SwaggerApiSuccess(description = "카테고리 성공적으로 조회합니다.")
     @SwaggerApiError({ErrorCode.EMPTY_REQUEST_PARAMETER, ErrorCode.SERVER_ERROR})
     @GetMapping("/{category_id}")
@@ -47,6 +49,18 @@ public class LabelCategoryController {
         return categoryService.getCategoryById(memberId, projectId, categoryId);
     }
 
+    @Operation(summary = "레이블 카테고리 존재 여부 조회", description = "해당 프로젝트에 같은 레이블 카테고리 이름이 있는지 조회합니다.")
+    @SwaggerApiSuccess(description = "카테고리 존재 여부를 조회합니다.")
+    @SwaggerApiError({ErrorCode.EMPTY_REQUEST_PARAMETER, ErrorCode.SERVER_ERROR})
+    @GetMapping("/exist")
+    public boolean existByCategoryName(
+            @CurrentUser final Integer memberId,
+            @PathVariable("project_id") final Integer projectId,
+            @Param("categoryName") final String categoryName
+    ) {
+        return categoryService.existByCategoryName(memberId, projectId, categoryName);
+    }
+
     @Operation(summary = "레이블 카테고리 리스트 조회", description = "레이블 카테고리 리스트를 조회합니다..")
     @SwaggerApiSuccess(description = "카테고리 리스트를 성공적으로 조회합니다.")
     @SwaggerApiError({ErrorCode.EMPTY_REQUEST_PARAMETER, ErrorCode.SERVER_ERROR})
@@ -57,17 +71,19 @@ public class LabelCategoryController {
     ) {
         return categoryService.getCategoryList(memberId, projectId);
     }
+
     
 
     @Operation(summary = "카테고리 삭제", description = "카테고리를 삭제합니다.")
     @SwaggerApiError({ErrorCode.EMPTY_REQUEST_PARAMETER, ErrorCode.SERVER_ERROR})
     @SwaggerApiSuccess(description = "카테고리를 성공적으로 삭제합니다.")
     @DeleteMapping("/{category_id}")
-    public BaseResponse<Void> deleteFolder(
+    public void deleteCategoryById(
             @CurrentUser final Integer memberId,
             @PathVariable("project_id") final Integer projectId,
             @PathVariable("category_id") final Integer categoryId) {
         categoryService.deleteCategory(memberId, projectId, categoryId);
-        return SuccessResponse.empty();
     }
+
+
 }

backend/src/main/java/com/worlabel/domain/labelcategory/entity/LabelCategory.java

@@ -1,4 +1,4 @@
-package com.worlabel.domain.category.entity;
+package com.worlabel.domain.labelcategory.entity;
 
 
 import com.worlabel.domain.project.entity.Project;

backend/src/main/java/com/worlabel/domain/labelcategory/entity/dto/LabelCategoryRequest.java

@@ -1,4 +1,4 @@
-package com.worlabel.domain.category.entity.dto;
+package com.worlabel.domain.labelcategory.entity.dto;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.AllArgsConstructor;

backend/src/main/java/com/worlabel/domain/labelcategory/entity/dto/LabelCategoryResponse.java

@@ -1,6 +1,6 @@
-package com.worlabel.domain.category.entity.dto;
+package com.worlabel.domain.labelcategory.entity.dto;
 
-import com.worlabel.domain.category.entity.LabelCategory;
+import com.worlabel.domain.labelcategory.entity.LabelCategory;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.AllArgsConstructor;
 import lombok.Getter;

backend/src/main/java/com/worlabel/domain/labelcategory/repository/LabelCategoryRepository.java

@@ -1,13 +1,13 @@
-package com.worlabel.domain.category.repository;
+package com.worlabel.domain.labelcategory.repository;
 
-import com.worlabel.domain.category.entity.LabelCategory;
+import com.worlabel.domain.labelcategory.entity.LabelCategory;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 import java.util.List;
 
 public interface LabelCategoryRepository extends JpaRepository<LabelCategory, Integer> {
 
-    boolean existsByName(String name);
-
     List<LabelCategory> findAllByProjectId(Integer projectId);
+
+    boolean existsByNameAndProjectId(String categoryName, Integer projectId);
 }

backend/src/main/java/com/worlabel/domain/labelcategory/service/LabelCategoryService.java

@@ -1,9 +1,9 @@
-package com.worlabel.domain.category.service;
+package com.worlabel.domain.labelcategory.service;
 
-import com.worlabel.domain.category.entity.LabelCategory;
+import com.worlabel.domain.labelcategory.entity.LabelCategory;
-import com.worlabel.domain.category.entity.dto.LabelCategoryRequest;
+import com.worlabel.domain.labelcategory.entity.dto.LabelCategoryRequest;
-import com.worlabel.domain.category.entity.dto.LabelCategoryResponse;
+import com.worlabel.domain.labelcategory.entity.dto.LabelCategoryResponse;
-import com.worlabel.domain.category.repository.LabelCategoryRepository;
+import com.worlabel.domain.labelcategory.repository.LabelCategoryRepository;
 import com.worlabel.domain.participant.service.ParticipantService;
 import com.worlabel.domain.project.entity.Project;
 import com.worlabel.domain.project.service.ProjectService;
@@ -28,7 +28,7 @@ public class LabelCategoryService {
         participantService.checkEditorUnauthorized(memberId, projectId);
 
         // 이미 존재하는지 확인 있다면 예외
-        if (labelCategoryRepository.existsByName(categoryRequest.getCategoryName())) {
+        if (labelCategoryRepository.existsByNameAndProjectId(categoryRequest.getCategoryName(), projectId)) {
             throw new CustomException(ErrorCode.PROJECT_CATEGORY_EXIST);
         }
 
@@ -40,26 +40,30 @@ public class LabelCategoryService {
         return LabelCategoryResponse.from(labelCategory);
     }
 
-    public void deleteCategory(final int memberId, final int  projectId, final int categoryId) {
+    public void deleteCategory(final int memberId, final int projectId, final int categoryId) {
         participantService.checkEditorUnauthorized(memberId, projectId);
         LabelCategory category = getCategory(categoryId);
         labelCategoryRepository.delete(category);
     }
 
-    public LabelCategoryResponse getCategoryById(final int memberId, final int projectId, final int categoryId){
+    public LabelCategoryResponse getCategoryById(final int memberId, final int projectId, final int categoryId) {
-        participantService.checkViewerUnauthorized(memberId,projectId);
+        participantService.checkViewerUnauthorized(memberId, projectId);
         return LabelCategoryResponse.from(getCategory(categoryId));
     }
 
+    public boolean existByCategoryName(final int memberId, final int projectId, final String categoryName) {
+        participantService.checkViewerUnauthorized(memberId, projectId);
+        return labelCategoryRepository.existsByNameAndProjectId(categoryName, projectId);
+    }
 
     public List<LabelCategoryResponse> getCategoryList(final Integer memberId, final Integer projectId) {
-        participantService.checkViewerUnauthorized(memberId,projectId);
+        participantService.checkViewerUnauthorized(memberId, projectId);
         List<LabelCategory> labelCategoryList = labelCategoryRepository.findAllByProjectId(projectId);
         return labelCategoryList.stream().map(LabelCategoryResponse::from).toList();
     }
 
     private LabelCategory getCategory(final Integer categoryId) {
-        return labelCategoryRepository.findById(categoryId).orElseThrow(() ->new CustomException(ErrorCode.PROJECT_CATEGORY_NOT_FOUND));
+        return labelCategoryRepository.findById(categoryId).orElseThrow(() -> new CustomException(ErrorCode.PROJECT_CATEGORY_NOT_FOUND));
     }
 
 }

backend/src/main/java/com/worlabel/domain/project/entity/Project.java

@@ -1,7 +1,7 @@
 package com.worlabel.domain.project.entity;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
-import com.worlabel.domain.category.entity.LabelCategory;
+import com.worlabel.domain.labelcategory.entity.LabelCategory;
 import com.worlabel.domain.workspace.entity.Workspace;
 import com.worlabel.global.common.BaseEntity;
 import jakarta.persistence.*;