[Feature] TalkRoom 삭제 API 구현

src/main/java/com/jisungin/api/ApiResponse.java

@@ -1,5 +1,6 @@
 package com.jisungin.api;
 
+import lombok.Builder;
 import lombok.Getter;
 import org.springframework.http.HttpStatus;
 
@@ -11,6 +12,7 @@ public class ApiResponse<T> {
     private String message;
     private T data;
 
+    @Builder
     public ApiResponse(HttpStatus status, String message, T data) {
         this.code = status.value();
         this.status = status;

src/main/java/com/jisungin/api/talkroom/TalkRoomController.java

@@ -13,6 +13,8 @@
 import com.jisungin.application.talkroom.response.TalkRoomResponse;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PatchMapping;
@@ -53,4 +55,14 @@ public ApiResponse<TalkRoomResponse> editTalkRoom(@Valid @RequestBody TalkRoomEd
         return ApiResponse.ok(talkRoomService.editTalkRoom(request.toServiceRequest(), authContext.getUserId()));
     }
 
+    @DeleteMapping("/talk-rooms/{talkRoomId}")
+    public ApiResponse<Void> deleteTalkRoom(@PathVariable Long talkRoomId, @Auth AuthContext authContext) {
+        talkRoomService.deleteTalkRoom(talkRoomId, authContext.getUserId());
+
+        return ApiResponse.<Void>builder()
+                .message("OK")
+                .status(HttpStatus.OK)
+                .build();
+    }
+
 }

src/main/java/com/jisungin/application/talkroom/TalkRoomService.java

@@ -10,6 +10,7 @@
 import com.jisungin.domain.ReadingStatus;
 import com.jisungin.domain.book.Book;
 import com.jisungin.domain.book.repository.BookRepository;
+import com.jisungin.domain.comment.repository.CommentRepository;
 import com.jisungin.domain.talkroom.TalkRoom;
 import com.jisungin.domain.talkroom.TalkRoomRole;
 import com.jisungin.domain.talkroom.repository.TalkRoomRepository;
@@ -32,6 +33,7 @@ public class TalkRoomService {
     private final TalkRoomRoleRepository talkRoomRoleRepository;
     private final BookRepository bookRepository;
     private final UserRepository userRepository;
+    private final CommentRepository commentRepository;
 
     @Transactional
     public TalkRoomResponse createTalkRoom(TalkRoomCreateServiceRequest request, Long userId) {
@@ -88,4 +90,21 @@ public TalkRoomResponse editTalkRoom(TalkRoomEditServiceRequest request, Long us
                 talkRoom.getBook().getImageUrl(), talkRoom.getBook().getTitle());
     }
 
+    @Transactional
+    public void deleteTalkRoom(Long talkRoomId, Long userId) {
+        TalkRoom talkRoom = talkRoomRepository.findById(talkRoomId)
+                .orElseThrow(() -> new BusinessException(ErrorCode.TALK_ROOM_NOT_FOUND));
+
+        User user = userRepository.findById(userId).orElseThrow(() -> new BusinessException(ErrorCode.USER_NOT_FOUND));
+
+        if (!talkRoom.isTalkRoomOwner(user.getId())) {
+            throw new BusinessException(ErrorCode.UNAUTHORIZED_REQUEST);
+        }
+
+        commentRepository.findByTalkRoom(talkRoom).ifPresent(commentRepository::delete);
+
+        talkRoomRoleRepository.deleteAllByTalkRoom(talkRoom);
+        talkRoomRepository.delete(talkRoom);
+    }
+
 }

src/main/java/com/jisungin/domain/comment/repository/CommentRepository.java

@@ -1,10 +1,13 @@
 package com.jisungin.domain.comment.repository;
 
 import com.jisungin.domain.comment.Comment;
+import com.jisungin.domain.talkroom.TalkRoom;
+import java.util.Optional;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
 public interface CommentRepository extends JpaRepository<Comment, Long> {
 
+    Optional<Comment> findByTalkRoom(TalkRoom talkRoom);
 }

src/main/java/com/jisungin/domain/talkroom/repository/TalkRoomRepositoryImpl.java

@@ -60,7 +60,6 @@ public TalkRoomFindOneResponse findOneTalkRoom(Long talkRoomId) {
         findOneTalkRoom.addTalkRoomComments(talkRoomComments);
 
         return findOneTalkRoom;
-
     }
 
     private List<TalkRoomQueryComments> findCommentsByTalkRoomId(Long talkRoomId) {

src/test/java/com/jisungin/api/talkroom/TalkRoomControllerTest.java

@@ -1,6 +1,7 @@
 package com.jisungin.api.talkroom;
 
 import static org.springframework.http.MediaType.APPLICATION_JSON;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.patch;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
@@ -188,4 +189,18 @@ void findOneTalkRoom() throws Exception {
                 .andExpect(jsonPath("$.message").value("OK"));
     }
 
+    @Test
+    @DisplayName("토크방을 삭제한다.")
+    void deleteTalkRoom() throws Exception {
+        // when // then
+        mockMvc.perform(delete("/v1/talk-rooms/1")
+                        .contentType(APPLICATION_JSON)
+                )
+                .andDo(print())
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.code").value("200"))
+                .andExpect(jsonPath("$.status").value("OK"))
+                .andExpect(jsonPath("$.message").value("OK"));
+    }
+
 }

src/test/java/com/jisungin/application/service/talkroom/TalkRoomServiceTest.java

@@ -453,11 +453,7 @@ void findOneTalkRoom() {
 
         createTalkRoomRole(talkRoom);
 
-        Comment comment = Comment.builder()
-                .talkRoom(talkRoom)
-                .user(user)
-                .content("의견 남기기")
-                .build();
+        Comment comment = createComment(talkRoom, user);
 
         commentRepository.save(comment);
         // when
@@ -470,17 +466,6 @@ void findOneTalkRoom() {
         assertThat("[email protected]").isEqualTo(findOneTalkRoomResponse.getComments().get(0).getUserName());
     }
 
-    private void createTalkRoomRole(TalkRoom talkRoom) {
-        List<String> request = new ArrayList<>();
-        request.add("읽는 중");
-        request.add("읽음");
-
-        List<ReadingStatus> readingStatus = ReadingStatus.createReadingStatus(request);
-
-        readingStatus.stream().map(status -> TalkRoomRole.roleCreate(talkRoom, status))
-                .forEach(talkRoomRoleRepository::save);
-    }
-
     @Test
     @DisplayName("토크방을 단건 조회 했을 때 의견이 담기지 않았아도 조회는 정상적으로 되어야 한다.")
     void findOneTalkRoomWithCommentNull() {
@@ -539,6 +524,111 @@ void findOneTalkRoomWithFindAllComment() {
         assertThat("의견 19").isEqualTo(findOneTalkRoomResponse.getComments().get(19).getContent());
     }
 
+    @Test
+    @DisplayName("토크방을 생성한 유저가 토크방을 삭제한다.")
+    void deleteTalkRoom() {
+        // given
+        User user = createUser();
+        userRepository.save(user);
+
+        Book book = createBook();
+        bookRepository.save(book);
+
+        TalkRoom talkRoom = createTalkRoom(book, user);
+        talkRoomRepository.save(talkRoom);
+
+        createTalkRoomRole(talkRoom);
+
+        Comment comment = createComment(talkRoom, user);
+
+        commentRepository.save(comment);
+
+        // when
+        talkRoomService.deleteTalkRoom(talkRoom.getId(), user.getId());
+
+        // then
+        assertThat(0).isEqualTo(talkRoomRepository.findAll().size());
+        assertThat(0).isEqualTo(commentRepository.findAll().size());
+    }
+
+    @Test
+    @DisplayName("토크방을 생성하지 않은 유저(UserB)가 다른 유저(UserA)가 생성한 토크방을 삭제할 수 없다.")
+    void deleteTalkRoomWithUserB() {
+        // given
+        User userA = createUser();
+        userRepository.save(userA);
+
+        User userB = User.builder()
+                .name("[email protected]")
+                .profileImage("image")
+                .oauthId(
+                        OauthId.builder()
+                                .oauthId("oauthId2")
+                                .oauthType(OauthType.KAKAO)
+                                .build()
+                )
+                .build();
+        userRepository.save(userB);
+
+        Book book = createBook();
+        bookRepository.save(book);
+
+        TalkRoom talkRoom = createTalkRoom(book, userA);
+        talkRoomRepository.save(talkRoom);
+
+        createTalkRoomRole(talkRoom);
+
+        Comment comment = createComment(talkRoom, userA);
+
+        commentRepository.save(comment);
+
+        // when // then
+        assertThatThrownBy(() -> talkRoomService.deleteTalkRoom(talkRoom.getId(), userB.getId()))
+                .isInstanceOf(BusinessException.class)
+                .hasMessage("권한이 없는 사용자입니다.");
+    }
+
+    @Test
+    @DisplayName("토크방을 삭제할 때 의견이 없어도 정상적으로 삭제가 된다.")
+    void deleteTalkRoomWithComment() {
+        // given
+        User user = createUser();
+        userRepository.save(user);
+
+        Book book = createBook();
+        bookRepository.save(book);
+
+        TalkRoom talkRoom = createTalkRoom(book, user);
+        talkRoomRepository.save(talkRoom);
+
+        createTalkRoomRole(talkRoom);
+
+        // when
+        talkRoomService.deleteTalkRoom(talkRoom.getId(), user.getId());
+
+        // then
+        assertThat(0).isEqualTo(talkRoomRepository.findAll().size());
+    }
+
+    private static Comment createComment(TalkRoom talkRoom, User user) {
+        return Comment.builder()
+                .talkRoom(talkRoom)
+                .user(user)
+                .content("의견 남기기")
+                .build();
+    }
+
+    private void createTalkRoomRole(TalkRoom talkRoom) {
+        List<String> request = new ArrayList<>();
+        request.add("읽는 중");
+        request.add("읽음");
+
+        List<ReadingStatus> readingStatus = ReadingStatus.createReadingStatus(request);
+
+        readingStatus.stream().map(status -> TalkRoomRole.roleCreate(talkRoom, status))
+                .forEach(talkRoomRoleRepository::save);
+    }
+
     private static TalkRoom createTalkRoom(Book book, User user) {
         return TalkRoom.builder()
                 .book(book)