Feat(#54): 게시글에 댓글 작성하기 api 구현

Team-NumberOne · Nov 13, 2023 · a32c30b · a32c30b
1 parent 2a4b9c2
commit a32c30b
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Showing 6 changed files with 113 additions and 22 deletions.
diff --git a/src/main/java/com/numberone/backend/domain/article/controller/ArticleController.java b/src/main/java/com/numberone/backend/domain/article/controller/ArticleController.java
@@ -3,9 +3,10 @@
 import com.numberone.backend.domain.article.dto.request.UploadArticleRequest;
 import com.numberone.backend.domain.article.dto.response.*;
 import com.numberone.backend.domain.article.service.ArticleService;
+import com.numberone.backend.domain.comment.dto.request.CreateCommentRequest;
+import com.numberone.backend.domain.comment.dto.response.CreateCommentResponse;
 import io.swagger.v3.oas.annotations.Operation;
 import jakarta.validation.Valid;
-import jakarta.websocket.server.PathParam;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.data.domain.Pageable;
@@ -64,28 +65,46 @@ public ResponseEntity<GetArticleDetailResponse> getArticleDetails(@PathVariable(
 
 
     @Operation(summary = "게시글 리스트 조회 no offset Paging API 입니다.", description = """
-            
-           요청 예시 url 은 다음과 같습니다.
-           `/api/articles?size=5`
-           size 는 페이지의 사이즈를 의미하고, default 는 20 입니다.
-           
-           정렬 순서는 articleId 순입니다. ( = 생성 시간 순 )
-           
-           ModelAttribute 로 lastArticleId 와 tag 를 넘겨주세요 ( 둘 다 nullable )
-           
-           tag 가 null 이면, tag 상관 없이 전체 조회를 수행합니다.
-           tag 가 null 이 아니면, 해당 tag 에 해당하는 게시글만 조회합니다.
-           
-           lastArticleId 는 직전에 조회한 게시글 중 가장 먀지막(작은) articleId 를 의미합니다.
-           - 첫 페이지를 요청할 경우에는 lastArticleId 를 null 로 보내야합니다.
-           - 첫 페이지 이후에 대한 요청은, 직전 페이지 요청에서 얻어온 lastArticleId 를 넣어서 보내면 그 다음 페이지를 호출합니다.
-           
-            """)
+             
+            요청 예시 url 은 다음과 같습니다.
+            `/api/articles?size=5`
+            size 는 페이지의 사이즈를 의미하고, default 는 20 입니다.
+                       
+            정렬 순서는 articleId 순입니다. ( = 생성 시간 순 )
+                       
+            ModelAttribute 로 lastArticleId 와 tag 를 넘겨주세요 ( 둘 다 nullable )
+                       
+            tag 가 null 이면, tag 상관 없이 전체 조회를 수행합니다.
+            tag 가 null 이 아니면, 해당 tag 에 해당하는 게시글만 조회합니다.
+                       
+            lastArticleId 는 직전에 조회한 게시글 중 가장 먀지막(작은) articleId 를 의미합니다.
+            - 첫 페이지를 요청할 경우에는 lastArticleId 를 null 로 보내야합니다.
+            - 첫 페이지 이후에 대한 요청은, 직전 페이지 요청에서 얻어온 lastArticleId 를 넣어서 보내면 그 다음 페이지를 호출합니다.
+                       
+             """)
     @GetMapping
     public ResponseEntity<Slice<GetArticleListResponse>> getArticlePages(
             Pageable pageable,
-            @ModelAttribute ArticleSearchParameter param){
+            @ModelAttribute ArticleSearchParameter param) {
         return ResponseEntity.ok(articleService.getArticleListPaging(param, pageable));
     }
 
+    @Operation(summary = "게시글에 댓글 작성하기", description = """
+            게시글에 댓글을 작성하는 API 입니다.
+            
+            게시글 아이디는 Path Parameter 으로 넘겨주세요 (article-id)
+            
+            """)
+    @PostMapping("comments/{article-id}")
+    public ResponseEntity<CreateCommentResponse> createComment(
+            @PathVariable("article-id") Long articleId,
+            @RequestBody @Valid CreateCommentRequest request) {
+        return ResponseEntity.created(
+                URI.create(String.format("/api/articles/comment/%s", articleId)))
+                .body(articleService.createComment(articleId, request));
+
+    }
+
+
+
 }
diff --git a/src/main/java/com/numberone/backend/domain/article/service/ArticleService.java b/src/main/java/com/numberone/backend/domain/article/service/ArticleService.java
@@ -9,6 +9,10 @@
 import com.numberone.backend.domain.articleimage.repository.ArticleImageRepository;
 import com.numberone.backend.domain.articleparticipant.entity.ArticleParticipant;
 import com.numberone.backend.domain.articleparticipant.repository.ArticleParticipantRepository;
+import com.numberone.backend.domain.comment.dto.request.CreateCommentRequest;
+import com.numberone.backend.domain.comment.dto.response.CreateCommentResponse;
+import com.numberone.backend.domain.comment.entity.CommentEntity;
+import com.numberone.backend.domain.comment.repository.CommentRepository;
 import com.numberone.backend.domain.member.entity.Member;
 import com.numberone.backend.domain.member.repository.MemberRepository;
 import com.numberone.backend.domain.token.util.SecurityContextProvider;
@@ -40,6 +44,7 @@ public class ArticleService {
     private final MemberRepository memberRepository;
     private final ArticleParticipantRepository articleParticipantRepository;
     private final ArticleImageRepository articleImageRepository;
+    private final CommentRepository commentRepository;
     private final S3Provider s3Provider;
 
     @Transactional
@@ -57,7 +62,7 @@ public UploadArticleResponse uploadArticle(UploadArticleRequest request) {
                         request.getArticleTag())
         );
         articleParticipantRepository.save(
-                new ArticleParticipant(article, owner.getId())
+                new ArticleParticipant(article, owner)
         );
 
         // 2. 이미지 업로드
@@ -141,4 +146,20 @@ public void updateArticleInfo(GetArticleListResponse articleInfo) {
         articleInfo.updateInfo(owner, articleImage);
     }
 
+    @Transactional
+    public CreateCommentResponse createComment(Long articleId, CreateCommentRequest request){
+        String principal = SecurityContextProvider.getAuthenticatedUserEmail();
+        Member member = memberRepository.findByEmail(principal)
+                .orElseThrow(NotFoundMemberException::new);
+        Article article = articleRepository.findById(articleId)
+                .orElseThrow(NotFoundArticleException::new);
+        CommentEntity savedComment = commentRepository.save(
+                new CommentEntity(request.getContent(), article)
+        );
+
+        articleParticipantRepository.save(new ArticleParticipant(article, member));
+
+        return CreateCommentResponse.of(savedComment);
+    }
+
 }
diff --git a/src/main/java/com/numberone/backend/domain/articleparticipant/entity/ArticleParticipant.java b/src/main/java/com/numberone/backend/domain/articleparticipant/entity/ArticleParticipant.java
@@ -2,6 +2,7 @@
 
 import com.numberone.backend.config.basetime.BaseTimeEntity;
 import com.numberone.backend.domain.article.entity.Article;
+import com.numberone.backend.domain.member.entity.Member;
 import jakarta.persistence.*;
 import lombok.AccessLevel;
 import lombok.Getter;
@@ -28,8 +29,8 @@ public class ArticleParticipant extends BaseTimeEntity {
     @Comment("회원 id")
     private Long memberId;
 
-    public ArticleParticipant(Article article, Long memberId){
+    public ArticleParticipant(Article article, Member member){
         this.article = article;
-        this.memberId= memberId;
+        this.memberId= member.getId();
     }
 }
diff --git a/src/main/java/com/numberone/backend/domain/comment/dto/request/CreateCommentRequest.java b/src/main/java/com/numberone/backend/domain/comment/dto/request/CreateCommentRequest.java
@@ -0,0 +1,17 @@
+package com.numberone.backend.domain.comment.dto.request;
+
+import com.numberone.backend.config.basetime.BaseTimeEntity;
+import jakarta.validation.constraints.NotNull;
+import lombok.*;
+
+@ToString
+@Builder
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class CreateCommentRequest {
+
+    @NotNull
+    private String content;
+
+}
diff --git a/src/main/java/com/numberone/backend/domain/comment/dto/response/CreateCommentResponse.java b/src/main/java/com/numberone/backend/domain/comment/dto/response/CreateCommentResponse.java
@@ -0,0 +1,23 @@
+package com.numberone.backend.domain.comment.dto.response;
+
+import com.numberone.backend.domain.comment.entity.CommentEntity;
+import lombok.*;
+
+import java.time.LocalDateTime;
+
+@ToString
+@Builder
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class CreateCommentResponse {
+    private LocalDateTime createdAt;
+    private Long commentId;
+
+    public static CreateCommentResponse of (CommentEntity comment){
+        return CreateCommentResponse.builder()
+                .createdAt(comment.getCreatedAt())
+                .commentId(comment.getId())
+                .build();
+    }
+}
diff --git a/src/main/java/com/numberone/backend/domain/comment/entity/CommentEntity.java b/src/main/java/com/numberone/backend/domain/comment/entity/CommentEntity.java
@@ -28,4 +28,14 @@ public class CommentEntity extends BaseTimeEntity {
 
     @Comment("댓글 좋아요 개수")
     private Integer likeCount; // todo: 동시성 처리
+
+    @Comment("댓글 내용")
+    private String content;
+
+    public CommentEntity(String content, Article article){
+        this.depth = 0;
+        this.content = content;
+        this.article = article;
+    }
+
 }