[Feature] TalkRoom Comment 등록 API 구현

src/main/java/com/jisungin/api/comment/CommentController.java

@@ -0,0 +1,31 @@
+package com.jisungin.api.comment;
+
+import com.jisungin.api.ApiResponse;
+import com.jisungin.api.comment.request.CommentCreateRequest;
+import com.jisungin.api.oauth.Auth;
+import com.jisungin.api.oauth.AuthContext;
+import com.jisungin.application.comment.CommentService;
+import com.jisungin.application.comment.response.CommentResponse;
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+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;
+
+@RequiredArgsConstructor
+@RequestMapping("/v1")
+@RestController
+public class CommentController {
+
+    private final CommentService commentService;
+
+    @PostMapping("/talk-rooms/{talkRoomId}/comments")
+    public ApiResponse<CommentResponse> writeComment(@PathVariable Long talkRoomId,
+                                                     @Valid @RequestBody CommentCreateRequest request,
+                                                     @Auth AuthContext authContext) {
+        return ApiResponse.ok(commentService.writeComment(request.toService(), talkRoomId, authContext.getUserId()));
+    }
+
+}

src/main/java/com/jisungin/api/comment/request/CommentCreateRequest.java

@@ -0,0 +1,27 @@
+package com.jisungin.api.comment.request;
+
+import com.jisungin.application.comment.request.CommentCreateServiceRequest;
+import jakarta.validation.constraints.NotBlank;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+public class CommentCreateRequest {
+
+    @NotBlank(message = "내용은 필수 입니다.")
+    private String content;
+
+    @Builder
+    private CommentCreateRequest(String content) {
+        this.content = content;
+    }
+
+    public CommentCreateServiceRequest toService() {
+        return CommentCreateServiceRequest.builder()
+                .content(content)
+                .build();
+    }
+
+}

src/main/java/com/jisungin/application/comment/CommentService.java

@@ -0,0 +1,38 @@
+package com.jisungin.application.comment;
+
+import com.jisungin.application.comment.request.CommentCreateServiceRequest;
+import com.jisungin.application.comment.response.CommentResponse;
+import com.jisungin.domain.comment.Comment;
+import com.jisungin.domain.comment.repository.CommentRepository;
+import com.jisungin.domain.talkroom.TalkRoom;
+import com.jisungin.domain.talkroom.repository.TalkRoomRepository;
+import com.jisungin.domain.user.User;
+import com.jisungin.domain.user.repository.UserRepository;
+import com.jisungin.exception.BusinessException;
+import com.jisungin.exception.ErrorCode;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@RequiredArgsConstructor
+@Service
+public class CommentService {
+
+    private final CommentRepository commentRepository;
+    private final TalkRoomRepository talkRoomRepository;
+    private final UserRepository userRepository;
+
+    public CommentResponse writeComment(CommentCreateServiceRequest request, Long talkRoomId, Long userId) {
+        User user = userRepository.findById(userId)
+                .orElseThrow(() -> new BusinessException(ErrorCode.USER_NOT_FOUND));
+
+        TalkRoom talkRoom = talkRoomRepository.findById(talkRoomId)
+                .orElseThrow(() -> new BusinessException(ErrorCode.TALK_ROOM_NOT_FOUND));
+
+        Comment comment = Comment.create(request, user, talkRoom);
+
+        commentRepository.save(comment);
+
+        return CommentResponse.of(comment.getContent(), user.getName());
+    }
+
+}

src/main/java/com/jisungin/application/comment/request/CommentCreateServiceRequest.java

@@ -0,0 +1,18 @@
+package com.jisungin.application.comment.request;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+public class CommentCreateServiceRequest {
+
+    private String content;
+
+    @Builder
+    private CommentCreateServiceRequest(String content) {
+        this.content = content;
+    }
+
+}

src/main/java/com/jisungin/application/comment/response/CommentResponse.java

@@ -0,0 +1,28 @@
+package com.jisungin.application.comment.response;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+public class CommentResponse {
+
+    private String content;
+
+    private String userName;
+
+    @Builder
+    private CommentResponse(String content, String userName) {
+        this.content = content;
+        this.userName = userName;
+    }
+
+    public static CommentResponse of(String content, String name) {
+        return CommentResponse.builder()
+                .content(content)
+                .userName(name)
+                .build();
+    }
+
+}

src/main/java/com/jisungin/domain/comment/Comment.java

@@ -1,5 +1,6 @@
 package com.jisungin.domain.comment;
 
+import com.jisungin.application.comment.request.CommentCreateServiceRequest;
 import com.jisungin.domain.BaseEntity;
 import com.jisungin.domain.talkroom.TalkRoom;
 import com.jisungin.domain.user.User;
@@ -38,4 +39,12 @@ private Comment(User user, TalkRoom talkRoom, String content) {
         this.content = content;
     }
 
+    public static Comment create(CommentCreateServiceRequest request, User user, TalkRoom talkRoom) {
+        return Comment.builder()
+                .content(request.getContent())
+                .user(user)
+                .talkRoom(talkRoom)
+                .build();
+    }
+
 }

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

@@ -0,0 +1,10 @@
+package com.jisungin.domain.comment.repository;
+
+import com.jisungin.domain.comment.Comment;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface CommentRepository extends JpaRepository<Comment, Long> {
+
+}

src/test/java/com/jisungin/api/comment/CommentControllerTest.java

@@ -0,0 +1,71 @@
+package com.jisungin.api.comment;
+
+import static org.springframework.http.MediaType.APPLICATION_JSON;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.jisungin.api.comment.request.CommentCreateRequest;
+import com.jisungin.application.comment.CommentService;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.web.servlet.MockMvc;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+class CommentControllerTest {
+
+    @MockBean
+    CommentService commentService;
+
+    @Autowired
+    MockMvc mockMvc;
+
+    @Autowired
+    ObjectMapper objectMapper;
+
+    @Test
+    @DisplayName("유저가 토크방에 자신의 의견을 작성한다.")
+    void writeComment() throws Exception {
+        // given
+        CommentCreateRequest request = CommentCreateRequest.builder()
+                .content("의견을 작성하다")
+                .build();
+
+        // when // then
+        mockMvc.perform(post("/v1/talk-rooms/1/comments")
+                        .content(objectMapper.writeValueAsString(request))
+                        .contentType(APPLICATION_JSON)
+                )
+                .andDo(print())
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.code").value("200"))
+                .andExpect(jsonPath("$.status").value("OK"))
+                .andExpect(jsonPath("$.message").value("OK"));
+    }
+
+    @Test
+    @DisplayName("유저가 토크방에 자신의 의견을 남길 때 내용은 필수여야 한다.")
+    void writeCommentWithEmptyContent() throws Exception {
+        // given
+        CommentCreateRequest request = CommentCreateRequest.builder()
+                .build();
+
+        // when // then
+        mockMvc.perform(post("/v1/talk-rooms/1/comments")
+                        .content(objectMapper.writeValueAsString(request))
+                        .contentType(APPLICATION_JSON)
+                )
+                .andDo(print())
+                .andExpect(status().isBadRequest())
+                .andExpect(jsonPath("$.code").value("400"))
+                .andExpect(jsonPath("$.message").value("내용은 필수 입니다."));
+    }
+
+}

src/test/java/com/jisungin/application/comment/CommentServiceTest.java

@@ -0,0 +1,130 @@
+package com.jisungin.application.comment;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.jisungin.application.comment.request.CommentCreateServiceRequest;
+import com.jisungin.application.comment.response.CommentResponse;
+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.oauth.OauthId;
+import com.jisungin.domain.oauth.OauthType;
+import com.jisungin.domain.talkroom.TalkRoom;
+import com.jisungin.domain.talkroom.TalkRoomRole;
+import com.jisungin.domain.talkroom.repository.TalkRoomRepository;
+import com.jisungin.domain.talkroom.repository.TalkRoomRoleRepository;
+import com.jisungin.domain.user.User;
+import com.jisungin.domain.user.repository.UserRepository;
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class CommentServiceTest {
+
+    @Autowired
+    TalkRoomRepository talkRoomRepository;
+
+    @Autowired
+    TalkRoomRoleRepository talkRoomRoleRepository;
+
+    @Autowired
+    CommentService commentService;
+
+    @Autowired
+    BookRepository bookRepository;
+
+    @Autowired
+    UserRepository userRepository;
+
+    @Autowired
+    CommentRepository commentRepository;
+
+    @AfterEach
+    void tearDown() {
+        commentRepository.deleteAllInBatch();
+        talkRoomRoleRepository.deleteAllInBatch();
+        talkRoomRepository.deleteAllInBatch();
+        userRepository.deleteAllInBatch();
+        bookRepository.deleteAllInBatch();
+    }
+
+    @Test
+    @DisplayName("유저가 1번 토크방에 자신의 의견 작성한다.")
+    void writeComment() {
+        // given
+        User user = createUser();
+        userRepository.save(user);
+
+        Book book = createBook();
+        bookRepository.save(book);
+
+        TalkRoom talkRoom = createTalkRoom(book, user);
+        talkRoomRepository.save(talkRoom);
+
+        createTalkRoomRole(talkRoom);
+
+        CommentCreateServiceRequest request = CommentCreateServiceRequest.builder()
+                .content("의견 남기기")
+                .build();
+        // when
+        CommentResponse response = commentService.writeComment(request, talkRoom.getId(), user.getId());
+
+        // then
+        assertThat(response)
+                .extracting("content", "userName")
+                .contains("의견 남기기", "[email protected]");
+    }
+
+    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)
+                .title("토크방")
+                .content("내용")
+                .user(user)
+                .build();
+    }
+
+    private static User createUser() {
+        return User.builder()
+                .name("[email protected]")
+                .profileImage("image")
+                .oauthId(
+                        OauthId.builder()
+                                .oauthId("oauthId")
+                                .oauthType(OauthType.KAKAO)
+                                .build()
+                )
+                .build();
+    }
+
+    private static Book createBook() {
+        return Book.builder()
+                .title("제목")
+                .content("내용")
+                .authors("작가")
+                .isbn("11111")
+                .publisher("publisher")
+                .dateTime(LocalDateTime.now())
+                .imageUrl("www")
+                .build();
+    }
+
+}