[Feature] 카테고리 추가 API

gg-admin-repo/src/main/java/gg/admin/repo/category/CategoryAdminRepository.java

@@ -5,5 +5,5 @@
 import gg.data.party.Category;
 
 public interface CategoryAdminRepository extends JpaRepository<Category, Long> {
-
+	Boolean existsByName(String categoryName);
 }

gg-data/src/main/java/gg/data/party/Category.java

@@ -22,4 +22,7 @@ public class Category extends BaseTimeEntity {
 	@Column(name = "name", length = 10)
 	private String name;
 
+	public Category(String name) {
+		this.name = name;
+	}
 }

gg-pingpong-api/src/main/java/gg/party/api/admin/category/controller/CategoryAdminController.java

@@ -1,11 +1,15 @@
 package gg.party.api.admin.category.controller;
 
+import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import gg.party.api.admin.category.controller.request.CategoryAddAdminReqDto;
 import gg.party.api.admin.category.service.CategoryAdminService;
 import lombok.RequiredArgsConstructor;
 
@@ -22,6 +26,17 @@ public class CategoryAdminController {
 	@DeleteMapping("{category_id}")
 	public ResponseEntity<Void> categoryRemove(@PathVariable("category_id") Long categoryId) {
 		categoryAdminService.removeCategory(categoryId);
-		return ResponseEntity.noContent().build();
+		return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
+	}
+
+	/**
+	 * 카테고리 추가
+	 * @param reqDto 추가할 카테고리 이름
+	 * @return 추가 성공 여부
+	 */
+	@PostMapping
+	public ResponseEntity<Void> categoryAdd(@RequestBody CategoryAddAdminReqDto reqDto) {
+		categoryAdminService.addCategory(reqDto);
+		return ResponseEntity.status(HttpStatus.CREATED).build();
 	}
 }

gg-pingpong-api/src/main/java/gg/party/api/admin/category/controller/request/CategoryAddAdminReqDto.java

@@ -0,0 +1,10 @@
+package gg.party.api.admin.category.controller.request;
+
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+public class CategoryAddAdminReqDto {
+	private String categoryName;
+}

gg-pingpong-api/src/main/java/gg/party/api/admin/category/service/CategoryAdminService.java

@@ -6,6 +6,8 @@
 import gg.admin.repo.category.CategoryAdminRepository;
 import gg.admin.repo.room.RoomAdminRepository;
 import gg.data.party.Category;
+import gg.party.api.admin.category.controller.request.CategoryAddAdminReqDto;
+import gg.utils.exception.party.CategoryDuplicateException;
 import gg.utils.exception.party.CategoryNotFoundException;
 import gg.utils.exception.party.DefaultCategoryNeedException;
 import lombok.RequiredArgsConstructor;
@@ -40,4 +42,19 @@ public void removeCategory(Long categoryId) {
 
 		categoryAdminRepository.deleteById(categoryId);
 	}
+
+	/**
+	 * 카테고리 추가
+	 * @param reqDto 추가할 카테고리 이름
+	 * @exception CategoryDuplicateException 중복된 카테고리
+	 */
+	@Transactional
+	public void addCategory(CategoryAddAdminReqDto reqDto) {
+		String categoryName = reqDto.getCategoryName();
+
+		if (categoryAdminRepository.existsByName(categoryName)) {
+			throw new CategoryDuplicateException();
+		}
+		categoryAdminRepository.save(new Category(categoryName));
+	}
 }

gg-utils/src/main/java/gg/utils/exception/ErrorCode.java

@@ -166,6 +166,7 @@ public enum ErrorCode {
 	ROOM_SAME_STATUS(400, "PT204", "이미 처리된 방 입니다."),
 	ROOM_NOT_OPEN(400, "PT205", "모집중인 방이 아닙니다."),
 	ROOM_NOT_PARTICIPANT(400, "PT206", "참여하지 않은 방 입니다."),
+	CATEGORY_DUPLICATE(400, "PT207", "중복된 카테고리 입니다."),
 	USER_ALREADY_IN_ROOM(409, "PT301", "이미 참여한 방 입니다."),
 	ALREADY_REPORTED_ROOM(409, "PT302", "이미 신고한 방 입니다.");
 

gg-utils/src/main/java/gg/utils/exception/party/CategoryDuplicateException.java

@@ -0,0 +1,10 @@
+package gg.utils.exception.party;
+
+import gg.utils.exception.ErrorCode;
+import gg.utils.exception.custom.DuplicationException;
+
+public class CategoryDuplicateException extends DuplicationException {
+	public CategoryDuplicateException() {
+		super(ErrorCode.CATEGORY_DUPLICATE.getMessage(), ErrorCode.CATEGORY_DUPLICATE);
+	}
+}