Feat#24 게시글 CRUD 기능 구현 완료 (#35)

* [feat] 게시글 다건 조회 && 단건조회 TC 작성 && Init 데이터 설정

* [feat] 게시글 생성 유효성관련 테스트코드 추가

* [feat] 타입 별 저장 위치 분류

* [feat] Post 엔티티 관련  리팩토링

* 게시글 삭제 기능 구현 완료

* 게시글 좋아요 싫어요 기능 구현 완료

* 게시글 댓글 생성 기능 구현

* 게시글 CRUD 기능 구현

Author: luckhee

back/src/main/java/com/back/domain/post/comment/controller/PostCommentController.java

@@ -0,0 +1,33 @@
+package com.back.domain.post.comment.controller;
+
+import com.back.domain.member.member.entity.Member;
+import com.back.domain.post.comment.dto.CommentCreateRequest;
+import com.back.domain.post.comment.service.PostCommentService;
+import com.back.global.rq.Rq;
+import com.back.global.rsData.RsData;
+import io.swagger.v3.oas.annotations.Operation;
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/post/comment")
+@RequiredArgsConstructor
+public class PostCommentController {
+    @Autowired
+    private Rq rq;
+    @Autowired
+    private PostCommentService postCommentService;
+
+    @Operation(summary = "댓글 생성")
+    @PostMapping("/{post_id}")
+    public RsData<Void> createComment(@PathVariable Long post_id,
+                                  @Valid @RequestBody CommentCreateRequest commentCreateRequest
+                                  ) {
+        Member member = rq.getActor();
+        postCommentService.createComment(member, post_id, commentCreateRequest);
+
+        return new RsData<>("200", "댓글 작성 완료" , null);
+    }
+}

back/src/main/java/com/back/domain/post/comment/dto/CommentCreateRequest.java

@@ -0,0 +1,10 @@
+package com.back.domain.post.comment.dto;
+
+import lombok.Data;
+
+@Data
+public class CommentCreateRequest {
+    private Long postId;
+    private String role;
+    private String comment;
+}

back/src/main/java/com/back/domain/post/comment/entity/PostComment.java

@@ -0,0 +1,26 @@
+package com.back.domain.post.comment.entity;
+
+import com.back.domain.member.member.entity.Member;
+import com.back.domain.post.post.entity.Post;
+import com.back.global.jpa.BaseEntity;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.ManyToOne;
+import lombok.Getter;
+import lombok.Setter;
+
+@Entity
+@Getter
+@Setter
+public class PostComment extends BaseEntity {
+    @ManyToOne(fetch = FetchType.LAZY)
+    private Post post;
+
+    private String content;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    private Member member;
+
+    private String role;
+
+}

back/src/main/java/com/back/domain/post/comment/repository/PostCommentRepository.java

@@ -0,0 +1,9 @@
+package com.back.domain.post.comment.repository;
+
+import com.back.domain.post.comment.entity.PostComment;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface PostCommentRepository extends JpaRepository<PostComment, Long> {
+}

back/src/main/java/com/back/domain/post/comment/service/PostCommentService.java

@@ -0,0 +1,35 @@
+package com.back.domain.post.comment.service;
+
+import com.back.domain.member.member.entity.Member;
+import com.back.domain.post.comment.dto.CommentCreateRequest;
+import com.back.domain.post.comment.entity.PostComment;
+import com.back.domain.post.comment.repository.PostCommentRepository;
+import com.back.domain.post.post.entity.Post;
+import com.back.domain.post.post.repository.PostRepository;
+import com.back.global.exception.ServiceException;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class PostCommentService {
+    private final PostRepository postRepository;
+    private final PostCommentRepository postCommentRepository;
+
+    @Transactional
+    public void createComment(Member member, Long postId, CommentCreateRequest commentCreateRequest) {
+        Post post = postRepository.findById(postId).orElseThrow(() -> new ServiceException("400", "해당 Id의 게시글이 없습니다."));
+
+        PostComment postComment = new PostComment();
+
+        postComment.setContent(commentCreateRequest.getComment());
+        postComment.setMember(member);
+        postComment.setRole(String.valueOf(member.getRole()));
+
+        post.addComment(postComment);
+
+        postCommentRepository.save(postComment);
+
+    }
+}