Merge pull request #26 from CMC-Hackathon-team5/feat/#21-comment-domain

Feat/#21 comment domain

Author: kkyu0718

src/main/java/com/cmc/selfdevelopment/domain/comment/controller/CommentController.java

@@ -0,0 +1,63 @@
+package com.cmc.selfdevelopment.domain.comment.controller;
+
+import com.cmc.selfdevelopment.domain.comment.dto.CommentResponseDto;
+import com.cmc.selfdevelopment.domain.comment.dto.CreateCommentRequestDto;
+import com.cmc.selfdevelopment.domain.comment.dto.GetCommentsRequestDto;
+import com.cmc.selfdevelopment.domain.comment.dto.UpdateCommentRequestDto;
+import com.cmc.selfdevelopment.domain.comment.service.CommentService;
+import com.cmc.selfdevelopment.global.common.api.ApiResponse;
+import com.cmc.selfdevelopment.global.common.api.ResponseCode;
+import io.swagger.v3.oas.annotations.Operation;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@Slf4j
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/api/comment")
+public class CommentController {
+    private final CommentService commentService;
+
+    @Operation(summary = "댓글 생성", description = "댓글을 생성하는 메소드입니다.")
+    @PostMapping
+    public ResponseEntity<ApiResponse> createComment(@RequestBody CreateCommentRequestDto createCommentRequestDto) {
+        // TODO: userId 받아오는 메소드 연결
+        Long userId = 1L;
+
+        Long diaryId = createCommentRequestDto.getDiaryId();
+        String content = createCommentRequestDto.getContent();
+
+        commentService.createComment(userId, diaryId, content);
+        return ResponseEntity.status(HttpStatus.CREATED).body(new ApiResponse(ResponseCode.COMMENT_CREATED));
+    }
+
+    @Operation(summary = "댓글 전체 조회", description = "회고에 해당하는 댓글 전체 조회하는 메소드입니다.")
+    @GetMapping
+    public ResponseEntity<ApiResponse<List<CommentResponseDto>>> getComments(@RequestBody GetCommentsRequestDto getCommentsRequestDto) {
+        Long diaryId = getCommentsRequestDto.getDiaryId();
+
+        List<CommentResponseDto> comments = commentService.getComments(diaryId);
+
+        return ResponseEntity.status(HttpStatus.OK).body(new ApiResponse<>(ResponseCode.GET_COMMENTS_SUCCESS, comments));
+    }
+
+    @Operation(summary = "댓글 수정", description = "댓글을 수정하는 메소드입니다.")
+    @PutMapping("/{id}")
+    public ResponseEntity<ApiResponse> updateComment(@PathVariable("id") Long commentId, @RequestBody UpdateCommentRequestDto updateCommentRequestDto) {
+        String content = updateCommentRequestDto.getContent();
+        commentService.updateComment(commentId, content);
+        return ResponseEntity.status(HttpStatus.OK).body(new ApiResponse<>(ResponseCode.COMMENT_UPDATED));
+    }
+
+    @Operation(summary = "댓글 삭제", description = "댓글을 삭제하는 메소드입니다.")
+    @DeleteMapping("/{id}")
+    public ResponseEntity<ApiResponse> deleteComment(@PathVariable("id") Long commentId){
+        commentService.deleteComment(commentId);
+        return ResponseEntity.status(HttpStatus.OK).body(new ApiResponse(ResponseCode.COMMENT_DELETED));
+    }
+}

src/main/java/com/cmc/selfdevelopment/domain/comment/dto/CommentResponseDto.java

@@ -0,0 +1,13 @@
+package com.cmc.selfdevelopment.domain.comment.dto;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class CommentResponseDto {
+    private Long id;
+    private Long userId;
+    private Long diaryId;
+    private String content;
+}

src/main/java/com/cmc/selfdevelopment/domain/comment/dto/CreateCommentRequestDto.java

@@ -0,0 +1,9 @@
+package com.cmc.selfdevelopment.domain.comment.dto;
+
+import lombok.Getter;
+
+@Getter
+public class CreateCommentRequestDto {
+    private String content;
+    private Long diaryId;
+}

src/main/java/com/cmc/selfdevelopment/domain/comment/dto/GetCommentsRequestDto.java

@@ -0,0 +1,8 @@
+package com.cmc.selfdevelopment.domain.comment.dto;
+
+import lombok.Getter;
+
+@Getter
+public class GetCommentsRequestDto {
+    private Long diaryId;
+}

src/main/java/com/cmc/selfdevelopment/domain/comment/dto/UpdateCommentRequestDto.java

@@ -0,0 +1,8 @@
+package com.cmc.selfdevelopment.domain.comment.dto;
+
+import lombok.Getter;
+
+@Getter
+public class UpdateCommentRequestDto {
+    private String content;
+}

src/main/java/com/cmc/selfdevelopment/domain/comment/entity/Comment.java

@@ -0,0 +1,25 @@
+package com.cmc.selfdevelopment.domain.comment.entity;
+
+import com.cmc.selfdevelopment.domain.diary.entity.Diary;
+import com.cmc.selfdevelopment.domain.user.entity.User;
+import com.cmc.selfdevelopment.global.common.entity.BaseEntity;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.Setter;
+import lombok.experimental.SuperBuilder;
+
+import javax.persistence.Entity;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.Table;
+
+@Getter
+@Table(name = "Comment")
+@SuperBuilder
+@RequiredArgsConstructor
+@Entity
+public class Comment extends BaseEntity {
+    @ManyToOne @Setter @JoinColumn(name = "user_id", nullable = false) private User user;
+    @ManyToOne @Setter @JoinColumn(name = "diary_id", nullable = false) private Diary diary;
+    @Setter private String content;
+}

src/main/java/com/cmc/selfdevelopment/domain/comment/repository/CommentRepository.java

@@ -0,0 +1,10 @@
+package com.cmc.selfdevelopment.domain.comment.repository;
+
+import com.cmc.selfdevelopment.domain.comment.entity.Comment;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+public interface CommentRepository extends JpaRepository<Comment, Long> {
+    List<Comment> findByDiaryId(Long diaryId);
+}

src/main/java/com/cmc/selfdevelopment/domain/comment/service/CommentService.java

@@ -0,0 +1,76 @@
+package com.cmc.selfdevelopment.domain.comment.service;
+
+import com.cmc.selfdevelopment.domain.comment.dto.CommentResponseDto;
+import com.cmc.selfdevelopment.domain.comment.entity.Comment;
+import com.cmc.selfdevelopment.domain.comment.repository.CommentRepository;
+import com.cmc.selfdevelopment.domain.diary.entity.Diary;
+import com.cmc.selfdevelopment.domain.diary.repository.DiaryRepository;
+import com.cmc.selfdevelopment.domain.user.entity.User;
+import com.cmc.selfdevelopment.domain.user.repository.UserRepository;
+import com.cmc.selfdevelopment.global.common.api.ErrorCode;
+import com.cmc.selfdevelopment.global.common.exception.CustomException;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Slf4j
+@RequiredArgsConstructor
+@Transactional
+@Service
+public class CommentService {
+    private final CommentRepository commentRepository;
+    private final UserRepository userRepository;
+    private final DiaryRepository diaryRepository;
+
+    @Transactional
+    public void createComment(Long userId, Long diaryId, String content) {
+        User user = userRepository.findById(userId)
+                .orElseThrow(() -> new CustomException(ErrorCode.USER_NOT_FOUND));
+
+        Diary diary = diaryRepository.findById(diaryId)
+                .orElseThrow(() -> new CustomException(ErrorCode.DIARY_NOT_FOUND));
+
+        Comment comment = Comment.builder()
+                .user(user)
+                .diary(diary)
+                .content(content)
+                .build();
+
+        commentRepository.save(comment);
+        return;
+    }
+
+    public List<CommentResponseDto> getComments(Long diaryId) {
+        List<Comment> comments = commentRepository.findByDiaryId(diaryId);
+        List<CommentResponseDto> commentResponseDtos = comments.stream().map((comment ->
+                CommentResponseDto.builder()
+                        .id(comment.getId())
+                        .userId(comment.getUser().getId())
+                        .diaryId(comment.getDiary().getId())
+                        .content(comment.getContent())
+                        .build())
+                ).collect(Collectors.toList());
+        return commentResponseDtos;
+    }
+
+    @Transactional
+    public void updateComment(Long commentId, String content) {
+        Comment comment = commentRepository.findById(commentId)
+                .orElseThrow(() -> new CustomException(ErrorCode.COMMENT_NOT_FOUND));
+        comment.setContent(content);
+        commentRepository.save(comment);
+        return;
+    }
+
+    @Transactional
+    public void deleteComment(Long commentId) {
+        Comment comment = commentRepository.findById(commentId)
+                        .orElseThrow(() -> new CustomException(ErrorCode.COMMENT_NOT_FOUND));
+        commentRepository.delete(comment);
+        return;
+    }
+}

src/main/java/com/cmc/selfdevelopment/global/common/api/ErrorCode.java

@@ -22,11 +22,11 @@ public enum ErrorCode {
     DIARY_NOT_FOUND(HttpStatus.NOT_FOUND, "존재하지 않는 계획입니다."),
     IMPROVEMENT_NOT_FOUND(HttpStatus.NOT_FOUND, "존재하지 않는 자기 계발입니다."),
     IMPROVEMENT_DUPLICATED(HttpStatus.CONFLICT, "이미 존재하는 자기 계발입니다."),
+    COMMENT_NOT_FOUND(HttpStatus.NOT_FOUND, "존재하지 않는 댓글입니다.");
     TODO_NOT_FOUND(HttpStatus.NOT_FOUND, "존재하지 않는 todo입니다."),
     TODO_DUPLICATED(HttpStatus.CONFLICT, "이미 존재하는 자기 todo입니다."),
     ;
 
-
     private final HttpStatus status;
     private final String message;
 

src/main/java/com/cmc/selfdevelopment/global/common/api/ResponseCode.java

@@ -19,10 +19,15 @@ public enum ResponseCode {
     DIARY_UPDATED(HttpStatus.OK, "회고 수정에 성공하였습니다."),
     GET_DIARY(HttpStatus.OK, "회고 조회에 성공하였습니다."),
     DIARY_DELETED(HttpStatus.OK, "회고 삭제에 성공하였습니다." ),
+    COMMENT_CREATED(HttpStatus.OK, "댓글 생성에 성공하였습니다."),
+    GET_COMMENTS_SUCCESS(HttpStatus.OK, "댓글 전체 조회에 성공하였습니다."),
+    COMMENT_UPDATED(HttpStatus.CREATED, "댓글 수정에 성공하였습니다."),
+    COMMENT_DELETED(HttpStatus.OK, "댓글 삭제에 성공하였습니다.");
     TODO_CHANGE(HttpStatus.OK, "isDone 변경에 성공했습니다."),
     TODO_LIST(HttpStatus.OK, "해당 날짜의 Todo 리스트입니다"),
     TODO_MONTH_PERCENT(HttpStatus.OK, "특정 달의 TODO 성취도 입니다")
     ;
     private final HttpStatus status;
     private final String message;
+
 }