Feat: [FN-301] 그룹 삭제 API 구현

src/main/java/flipnote/group/adapter/in/web/GroupController.java

@@ -1,6 +1,7 @@
 package flipnote.group.adapter.in.web;
 
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -17,9 +18,11 @@
 import flipnote.group.api.dto.response.FindGroupResponseDto;
 import flipnote.group.application.port.in.ChangeGroupUseCase;
 import flipnote.group.application.port.in.CreateGroupUseCase;
+import flipnote.group.application.port.in.DeleteGroupUseCase;
 import flipnote.group.application.port.in.FindGroupUseCase;
 import flipnote.group.application.port.in.command.ChangeGroupCommand;
 import flipnote.group.application.port.in.command.CreateGroupCommand;
+import flipnote.group.application.port.in.command.DeleteGroupCommand;
 import flipnote.group.application.port.in.command.FindGroupCommand;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
@@ -32,6 +35,7 @@ public class GroupController {
 	private final CreateGroupUseCase createGroupUseCase;
 	private final ChangeGroupUseCase changeGroupUseCase;
 	private final FindGroupUseCase findGroupUseCase;
+	private final DeleteGroupUseCase deleteGroupUseCase;
 
 	/**
 	 * 그룹 생성 API
@@ -111,4 +115,32 @@ public ResponseEntity<FindGroupResponseDto> findGroup(
 		return ResponseEntity.ok(res);
 	}
 
+	/**
+	 * 그룹 삭제
+	 * todo 추후 권한 체크 후 권한 확인 후 삭제
+	 * @param userId
+	 * @param groupId
+	 * @return
+	 */
+	@DeleteMapping("/{groupId}")
+	public ResponseEntity<Void> deleteGroup(
+		@RequestHeader("X-USER-ID") Long userId,
+		@PathVariable("groupId") Long groupId
+	) {
+
+		DeleteGroupCommand cmd = new DeleteGroupCommand(userId, groupId);
+
+		deleteGroupUseCase.deleteGroup(cmd);
+
+		return ResponseEntity.noContent().build();
+	}
+
+	//todo 그룹 내 멤버 조회
+
+	//todo 그룹 전체 조회
+
+	//todo 내 그룹 전체 조회
+
+	//todo 내가 생성한 그룹 전체 조회
+
 }

src/main/java/flipnote/group/adapter/in/web/MemberController.java

@@ -0,0 +1,18 @@
+package flipnote.group.adapter.in.web;
+
+public class MemberController {
+	//todo 가인 신청 요청
+
+	//todo 그룹 내 가입 신청한 리스트 조회
+
+	//todo 가입신청 응답
+
+	//todo 가입신청 삭제
+
+	//todo 내가 신청한 가입신청 리스트 조회
+
+	//todo 초대
+
+	//todo 그룹 멤버 추방
+
+}

src/main/java/flipnote/group/adapter/out/persistence/GroupRepositoryAdapter.java

@@ -35,4 +35,12 @@ public Group findById(Long id) {
 		);
 		return GroupMapper.toDomain(groupEntity);
 	}
+
+	@Override
+	public void delete(Long groupId) {
+		if (!groupRepository.existsById(groupId)) {
+			throw new IllegalArgumentException("Group not Exist");
+		}
+		groupRepository.deleteById(groupId);
+	}
 }

src/main/java/flipnote/group/application/port/in/DeleteGroupUseCase.java

@@ -0,0 +1,7 @@
+package flipnote.group.application.port.in;
+
+import flipnote.group.application.port.in.command.DeleteGroupCommand;
+
+public interface DeleteGroupUseCase {
+	void deleteGroup(DeleteGroupCommand cmd);
+}

src/main/java/flipnote/group/application/port/in/command/DeleteGroupCommand.java

@@ -0,0 +1,7 @@
+package flipnote.group.application.port.in.command;
+
+public record DeleteGroupCommand(
+	Long userId,
+	Long groupId
+) {
+}

src/main/java/flipnote/group/application/port/out/GroupRepositoryPort.java

@@ -6,4 +6,6 @@ public interface GroupRepositoryPort {
     Long saveNewGroup(Group group);
 
     Group findById(Long id);
+
+    void delete(Long id);
 }

src/main/java/flipnote/group/application/service/DeleteGroupService.java

@@ -0,0 +1,23 @@
+package flipnote.group.application.service;
+
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import flipnote.group.application.port.in.DeleteGroupUseCase;
+import flipnote.group.application.port.in.command.DeleteGroupCommand;
+import flipnote.group.application.port.out.GroupRepositoryPort;
+import lombok.RequiredArgsConstructor;
+
+@Service
+@RequiredArgsConstructor
+public class DeleteGroupService implements DeleteGroupUseCase {
+
+	private final GroupRepositoryPort groupRepository;
+
+	@Override
+	@Transactional
+	public void deleteGroup(DeleteGroupCommand cmd) {
+		groupRepository.delete(cmd.groupId());
+	}
+
+}