[Feat] 댓글 작성 및 댓글 삭제 기능 구현

Midnight-Snacker/src/main/java/com/example/Midnight/Snacker/apiPayload/code/status/ErrorStatus.java

@@ -39,13 +39,18 @@ public enum ErrorStatus implements BaseErrorCode {
     USER_EXISTS(HttpStatus.BAD_REQUEST, "USER_002", "이미 존재하는 아이디입니다."),
     USER_DELETE_FAILED(HttpStatus.NOT_FOUND, "USER_003", "회원 탈퇴에 실패했습니다."),
 
+    // Post
+    POST_NOT_FOUND(HttpStatus.NOT_FOUND, "POST_001", "관련게시글을 찾을 수 없습니다."),
+
+
+    // Comment 관련
+    COMMENT_NOT_FOUND(HttpStatus.NOT_FOUND, "COMMENT_001", "댓글 달기가 실패하였습니다."),
+    COMMENT_DELETE_FAILD(HttpStatus.NOT_FOUND, "COMMENT_002", "댓글 삭제를 실패하였습니다."),
+
 
-    // Post 관련
-    POST_NOT_FOUND(HttpStatus.NOT_FOUND, "POST_001", "존재하지 않는 게시글입니다"),
 
     //calendar
-    CALENDAR_NOT_FOUND(HttpStatus.NOT_FOUND,"CALENDAR_404", " 해당 기록을 찾으 수 없습니다.")
-    ;
+    CALENDAR_NOT_FOUND(HttpStatus.NOT_FOUND,"CALENDAR_404", " 해당 기록을 찾으 수 없습니다.");
 
     private final HttpStatus httpStatus;
     private final String code;

Midnight-Snacker/src/main/java/com/example/Midnight/Snacker/apiPayload/code/status/SuccessStatus.java

@@ -20,6 +20,10 @@ public enum SuccessStatus implements BaseCode {
     //Post
     POST_DELETE_OK(HttpStatus.OK, "POST2001", "게시글이 성공적으로 삭제되었습니다."),
 
+    //Comment
+    COMMENT_POST_OK(HttpStatus.OK, "COMMENT2001", "댓글이 성공적으로 달렸습니다."),
+    COMMENT_DELETE_OK(HttpStatus.OK, "COMMENT2002", "댓글이 성공적으로 삭제되었습니다."),
+
     //캘린더
     ADD_CALENDAR_OK(HttpStatus.OK, "COMMON200", "달력에 기록이 되었습니다."),
     INQUERY_MONTH_CALENDAR_OK(HttpStatus.OK, "COMMON200", "달력을 불러왔습니다."),
@@ -28,11 +32,12 @@ public enum SuccessStatus implements BaseCode {
     INQUERY_DATE_CALENDAR_OK(HttpStatus.OK,"COMMON200", "기록을 불러왔습니다."),
     DELETE_RECORD_OK(HttpStatus.OK, "COMMON200", "기록이 성공적으로 삭제되었습니다."),
 
+
     //추천
     RECOMMEND_OK(HttpStatus.OK, "COMMON200", "추천이 완료되었습니다."),
 
-    ;
 
+    ;
 
     private final HttpStatus httpStatus;
     private final String code;

Midnight-Snacker/src/main/java/com/example/Midnight/Snacker/apiPayload/exception/handler/CommentHandler.java

@@ -0,0 +1,10 @@
+package com.example.Midnight.Snacker.apiPayload.exception.handler;
+
+import com.example.Midnight.Snacker.apiPayload.code.BaseErrorCode;
+import com.example.Midnight.Snacker.apiPayload.exception.GeneralException;
+
+public class CommentHandler extends GeneralException {
+    public CommentHandler(BaseErrorCode errorCode) {
+        super(errorCode);
+    }
+}

Midnight-Snacker/src/main/java/com/example/Midnight/Snacker/converter/CommentConverter.java

@@ -0,0 +1,16 @@
+package com.example.Midnight.Snacker.converter;
+
+import com.example.Midnight.Snacker.domain.Comment;
+import com.example.Midnight.Snacker.domain.Post;
+import com.example.Midnight.Snacker.web.dto.CommentDTO.CommentResponseDTO;
+import com.example.Midnight.Snacker.web.dto.PostDTO.PostResponseDTO;
+
+public class CommentConverter {
+
+    public static CommentResponseDTO.CommentPostResponseDTO addCommentToResultDTO(Comment comment){
+        return CommentResponseDTO.CommentPostResponseDTO.builder()
+                .commentId(comment.getId())
+                .build();
+    }
+
+}

Midnight-Snacker/src/main/java/com/example/Midnight/Snacker/repository/CommentRepository.java

@@ -0,0 +1,8 @@
+package com.example.Midnight.Snacker.repository;
+
+import com.example.Midnight.Snacker.domain.Comment;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface CommentRepository extends JpaRepository<Comment, Long> {
+
+}

Midnight-Snacker/src/main/java/com/example/Midnight/Snacker/security/principal/PrincipalDetails.java

@@ -58,4 +58,5 @@ public boolean isEnabled() {
     public Long getId() {
         return member.getId();
     }
+
 }

Midnight-Snacker/src/main/java/com/example/Midnight/Snacker/service/CommentService/CommentService.java

@@ -0,0 +1,9 @@
+package com.example.Midnight.Snacker.service.CommentService;
+
+import com.example.Midnight.Snacker.domain.Comment;
+import com.example.Midnight.Snacker.domain.Member;
+
+public interface CommentService {
+    Comment addComment(Member member, long postId, String content);
+    void deleteComment(long id);
+}

Midnight-Snacker/src/main/java/com/example/Midnight/Snacker/service/CommentService/CommentServiceImpl.java

@@ -0,0 +1,40 @@
+package com.example.Midnight.Snacker.service.CommentService;
+
+import com.example.Midnight.Snacker.apiPayload.code.status.ErrorStatus;
+import com.example.Midnight.Snacker.apiPayload.exception.handler.CommentHandler;
+import com.example.Midnight.Snacker.apiPayload.exception.handler.PostHandler;
+import com.example.Midnight.Snacker.domain.Comment;
+import com.example.Midnight.Snacker.domain.Member;
+import com.example.Midnight.Snacker.domain.Post;
+import com.example.Midnight.Snacker.repository.CommentRepository;
+import com.example.Midnight.Snacker.repository.PostRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class CommentServiceImpl implements CommentService {
+
+    private final PostRepository postRepository;
+    private final CommentRepository commentRepository;
+
+    @Override
+    public Comment addComment(Member member, long postId, String content) {
+        Post post = postRepository.findById(postId).orElseThrow(() ->new PostHandler(ErrorStatus.POST_NOT_FOUND));
+        Comment newComment = Comment.builder()
+                .content(content)
+                .post(post)
+                .member(member)
+                .build();
+        commentRepository.save(newComment);
+        return newComment;
+    } //댓글 달기
+
+    @Override
+    @Transactional
+    public void deleteComment(long id) {
+        Comment comment = commentRepository.findById(id).orElseThrow(() ->new CommentHandler(ErrorStatus.COMMENT_NOT_FOUND));
+        commentRepository.delete(comment);
+    }//댓글 삭제
+}

Midnight-Snacker/src/main/java/com/example/Midnight/Snacker/service/PostService/PostServiceImpl.java

@@ -33,5 +33,4 @@ public void DeletePost(long id) {
         Post post = postRepository.findById(id).orElseThrow(() ->new PostHandler(ErrorStatus.POST_NOT_FOUND));
         postRepository.delete(post);
     } // 게시글 삭제
-
-}
+}

Midnight-Snacker/src/main/java/com/example/Midnight/Snacker/web/controller/CommentController.java

@@ -0,0 +1,41 @@
+package com.example.Midnight.Snacker.web.controller;
+
+import com.example.Midnight.Snacker.apiPayload.ApiResponse;
+import com.example.Midnight.Snacker.apiPayload.code.status.SuccessStatus;
+import com.example.Midnight.Snacker.converter.CommentConverter;
+import com.example.Midnight.Snacker.converter.PostConverter;
+import com.example.Midnight.Snacker.domain.Comment;
+import com.example.Midnight.Snacker.domain.Member;
+import com.example.Midnight.Snacker.security.handler.annotation.AuthUser;
+import com.example.Midnight.Snacker.service.CommentService.CommentService;
+import com.example.Midnight.Snacker.web.dto.CommentDTO.CommentRequestDTO;
+import com.example.Midnight.Snacker.web.dto.CommentDTO.CommentResponseDTO;
+import com.example.Midnight.Snacker.web.dto.PostDTO.PostResponseDTO;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequiredArgsConstructor
+public class CommentController {
+
+    private final CommentService commentService;
+
+    @Operation(summary = "댓글 등록 API", description = "댓글을 등록합니다")
+    @PostMapping("/api/post/{postId}/comment")
+    public ApiResponse<CommentResponseDTO. CommentPostResponseDTO> postComment(@Parameter(name = "user", hidden = true) @AuthUser Member member,
+                                                                               @PathVariable("postId") Integer postId,
+                                                                               @RequestBody CommentRequestDTO.addCommentRequestDTO request) {
+        String content = request.getContent();
+        Comment newcomment = commentService.addComment(member,postId,content);
+        return ApiResponse.of(SuccessStatus.COMMENT_POST_OK, CommentConverter.addCommentToResultDTO(newcomment));
+    }
+
+    @Operation(summary = "댓글 삭제 API", description = "댓글을 삭제합니다")
+    @DeleteMapping("/api/post/comment/{commentId}")
+    public ApiResponse<Void> deleteComment(@PathVariable("commentId") long commentId) {
+        commentService.deleteComment(commentId);
+        return ApiResponse.of(SuccessStatus.COMMENT_DELETE_OK, null);
+    }
+}

Midnight-Snacker/src/main/java/com/example/Midnight/Snacker/web/controller/PostController.java

@@ -30,7 +30,7 @@ public class PostController {
     private final S3ImageService s3ImageService;
 
     @ResponseStatus(code = HttpStatus.CREATED)
-    @Operation(summary = "게시글 생성", description = "게시글 생성 API입니다")
+    @Operation(summary = "게시글 생성 API", description = "게시글을 생성합니다")
     @ApiResponses({@io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "COMMON201", description="등록성공")})
     @PostMapping(value = "/api/post/", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
     ApiResponse<PostResponseDTO.addPostResponseDTO> AddPost(@Parameter(name = "user", hidden = true) @AuthUser Member member,
@@ -45,10 +45,10 @@ ApiResponse<PostResponseDTO.addPostResponseDTO> AddPost(@Parameter(name = "user"
         return ApiResponse.onSuccess(PostConverter.addPostToResultDTO(post));
     }
 
+    @Operation(summary = "게시글 삭제 API", description = "게시글을 삭제합니다")
     @DeleteMapping("/api/post/{postId}")
     public ApiResponse<Void> DeletePost(@PathVariable(name = "postId") long postId){
         postService.DeletePost(postId);
         return ApiResponse.of(SuccessStatus.POST_DELETE_OK, null);
     }
-
-}
+}

Midnight-Snacker/src/main/java/com/example/Midnight/Snacker/web/dto/CommentDTO/CommentRequestDTO.java

@@ -0,0 +1,19 @@
+package com.example.Midnight.Snacker.web.dto.CommentDTO;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.time.LocalDateTime;
+
+public class CommentRequestDTO {
+    @Getter
+    @Setter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class addCommentRequestDTO {
+        String content;
+    }
+
+}

Midnight-Snacker/src/main/java/com/example/Midnight/Snacker/web/dto/CommentDTO/CommentResponseDTO.java

@@ -0,0 +1,17 @@
+package com.example.Midnight.Snacker.web.dto.CommentDTO;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+public class CommentResponseDTO {
+
+    @Getter
+    @Builder
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class CommentPostResponseDTO{
+        long commentId;
+    }
+}