feat: 게시글 상세 조회 API

khu-dev · Mar 6, 2022 · 6223a37 · 6223a37
1 parent 6b72701
commit 6223a37
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Showing 8 changed files with 181 additions and 8 deletions.
diff --git a/src/main/java/com/khumu/community/application/dto/DetailedArticleDto.java b/src/main/java/com/khumu/community/application/dto/DetailedArticleDto.java
@@ -0,0 +1,46 @@
+package com.khumu.community.application.dto;
+
+import lombok.*;
+
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Setter
+@Builder
+public class DetailedArticleDto {
+    Integer id;
+    String boardName;
+    String boardDisplayName;
+    // TODO: 익명의 경우 작성자를 숨기기
+    SimpleUserDto author;
+    String title;
+    String content;
+    @Builder.Default
+    List<String> images = new ArrayList<>();
+
+    @Builder.Default
+    Long commentCount = 0L;
+
+    @Builder.Default
+    Boolean liked = false;
+    @Builder.Default
+    Long likeArticleCount = 0L;
+
+    @Builder.Default
+    Boolean bookmarked = false;
+    @Builder.Default
+    Long bookmarkArticleCount = 0L;
+
+    String kind;
+    Boolean isHot;
+
+    // TODO: createdAt을 human readable한 text로
+    LocalDateTime createdAt;
+
+    @Builder.Default
+    Boolean isSubscribed = false;
+}
diff --git a/src/main/java/com/khumu/community/application/port/in/ArticleAdditionalDataInjector.java b/src/main/java/com/khumu/community/application/port/in/ArticleAdditionalDataInjector.java
@@ -1,10 +1,12 @@
 package com.khumu.community.application.port.in;
 
 import com.khumu.community.application.dto.ArticleDto;
+import com.khumu.community.application.dto.DetailedArticleDto;
 import com.khumu.community.application.entity.Article;
 import com.khumu.community.application.entity.BookmarkArticle;
 import com.khumu.community.application.entity.LikeArticle;
 import com.khumu.community.application.entity.User;
+import com.khumu.community.application.port.out.repository.AlimiRepository;
 import com.khumu.community.application.port.out.repository.BookmarkArticleRepository;
 import com.khumu.community.application.port.out.repository.CommentRepository;
 import com.khumu.community.application.port.out.repository.LikeArticleRepository;
@@ -21,6 +23,7 @@ public class ArticleAdditionalDataInjector {
     private final LikeArticleRepository likeArticleRepository;
     private final BookmarkArticleRepository bookmarkArticleRepository;
     private final CommentRepository commentRepository;
+    private final AlimiRepository alimiRepository;
 
     public ArticleDto inject(ArticleDto articleDto, User requestUser) {
         articleDto.setCommentCount(commentRepository.countByArticle(articleDto.getId()));
@@ -54,4 +57,17 @@ public List<ArticleDto> inject(List<ArticleDto> articleDtos, User requestUser) {
 
         return articleDtos;
     }
+
+    public DetailedArticleDto inject(DetailedArticleDto src, User requestUser) {
+
+        if (requestUser == null || requestUser.getUsername() == null) {
+            src.setIsSubscribed(false);
+
+            return src;
+        }
+
+        src.setIsSubscribed(alimiRepository.isSubscribed(requestUser.getUsername(), "article", String.valueOf(src.getId())));
+
+        return src;
+    }
 }
diff --git a/src/main/java/com/khumu/community/application/port/in/ArticleService.java b/src/main/java/com/khumu/community/application/port/in/ArticleService.java
@@ -1,6 +1,7 @@
 package com.khumu.community.application.port.in;
 
 import com.khumu.community.application.dto.ArticleDto;
+import com.khumu.community.application.dto.DetailedArticleDto;
 import com.khumu.community.application.dto.input.CreateArticleRequest;
 import com.khumu.community.application.dto.input.IsAuthorInput;
 import com.khumu.community.application.dto.input.UpdateArticleRequest;
@@ -172,6 +173,14 @@ public Page<ArticleDto> listArticlesByBoard(User requestUser, String board, Page
 
         return articleAdditionalDataInjector.inject(articles.map(articleMapper::toDto), requestUser);
     }
+
+    // 특정 게시글의 상세 조회
+    @Transactional
+    public DetailedArticleDto getArticle(User requestUser, Integer id) {
+        Article article = articleRepository.findById(id).get();
+
+        return articleAdditionalDataInjector.inject(articleMapper.toDetailedDto(article), requestUser);
+    }
 
     @Transactional
     // TODO: 기존에는 Patch(부분 수정) 방식이었는데 이거 어떻게 대응해줄 것인가?

diff --git a/src/main/java/com/khumu/community/application/port/out/repository/AlimiRepository.java b/src/main/java/com/khumu/community/application/port/out/repository/AlimiRepository.java
@@ -0,0 +1,9 @@
+package com.khumu.community.application.port.out.repository;
+
+import org.springframework.data.domain.Pageable;
+
+import java.util.List;
+
+public interface AlimiRepository {
+    Boolean isSubscribed(String username, String resourceKind, String resourceId);
+}
diff --git a/src/main/java/com/khumu/community/common/mapper/ArticleMapper.java b/src/main/java/com/khumu/community/common/mapper/ArticleMapper.java
@@ -2,6 +2,7 @@
 
 import com.khumu.community.application.dto.ArticleDto;
 import com.khumu.community.application.dto.ArticleEventDto;
+import com.khumu.community.application.dto.DetailedArticleDto;
 import com.khumu.community.application.dto.ReportDto;
 import com.khumu.community.application.entity.Article;
 import com.khumu.community.application.entity.Report;
@@ -21,7 +22,16 @@ public interface ArticleMapper {
     // 나중엔 newImages -> images로 컬럼 명 자체를 바꿔야할 듯
     @Mapping(target="images", source="newImages")
     ArticleDto toDto(Article src);
+
+    @Mapping(target="boardName", source="board.name")
+    @Mapping(target="boardDisplayName", source="board.displayName")
+    // TODO
+    // 나중엔 newImages -> images로 컬럼 명 자체를 바꿔야할 듯
+    @Mapping(target="images", source="newImages")
+    DetailedArticleDto toDetailedDto(Article src);
+
     Article toEntity(ArticleDto src);
+
     @Mapping(target="author", source = "author.username")
     @Mapping(target="board", source = "board.name")
     ArticleEventDto toEventDto(Article src);

diff --git a/src/main/java/com/khumu/community/infra/api/AlimiClient.java b/src/main/java/com/khumu/community/infra/api/AlimiClient.java
@@ -0,0 +1,73 @@
+package com.khumu.community.infra.api;
+
+import com.khumu.community.application.port.out.repository.AlimiRepository;
+import lombok.*;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.web.client.RestTemplateBuilder;
+import org.springframework.http.*;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.RestTemplate;
+
+@RequiredArgsConstructor
+@Component
+@Slf4j
+public class AlimiClient implements AlimiRepository {
+    private final MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter;
+
+    @Value("${khumu.alimi.host}")
+    private String alimiApiHost;
+
+    @Override
+    public Boolean isSubscribed(String username, String resourceKind, String resourceId) {
+        RestTemplate restTemplate = new RestTemplateBuilder()
+                .messageConverters(mappingJackson2HttpMessageConverter)
+                .build();
+
+        HttpHeaders headers = new HttpHeaders();
+        headers.setContentType(MediaType.APPLICATION_JSON); // send the post request
+        HttpEntity<Object> entity = new HttpEntity<>(headers);
+        ResponseEntity<AlimiClient.IsSubscribedHttpResponse> resp = restTemplate.exchange(
+                String.format("%s/api/subscriptions/%s/%s/%s", alimiApiHost, username, resourceKind, resourceId),
+                HttpMethod.GET,
+                entity,
+                AlimiClient.IsSubscribedHttpResponse.class
+        );
+
+        if (resp.getStatusCode() != HttpStatus.OK) {
+            log.error("AlimiClient.isSubscribed 의 응답이 200이 아닙니다.");
+            return false;
+        }
+        if (resp.getBody() == null) {
+            log.error("AlimiClient.isSubscribed 의 응답 body가 null입니다.");
+            return false;
+        }
+
+        log.info("AlimiClient.isSubscribed 의 응답: " + resp.getBody());
+
+        return resp.getBody().getData().getIsActivated();
+    }
+
+    @AllArgsConstructor
+    @NoArgsConstructor
+    @Getter
+    @Setter
+    @ToString
+    private static class IsSubscribedHttpResponse{
+        private IsSubscribedResponse data;
+
+        @AllArgsConstructor
+        @NoArgsConstructor
+        @Getter
+        @Setter
+        @ToString
+        private static class IsSubscribedResponse{
+            private Long resourceId;
+            private String resourceKind;
+            private String subscriber;
+            private Boolean isActivated;
+        }
+
+    }
+}
diff --git a/src/main/java/com/khumu/community/infra/api/CommentClient.java b/src/main/java/com/khumu/community/infra/api/CommentClient.java
@@ -28,7 +28,6 @@
 @Component
 @Slf4j
 public class CommentClient implements CommentRepository {
-//    private final ObjectMapper objectMapper;
     private final MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter;
 
     @Value("${khumu.comment.host}")
@@ -56,7 +55,6 @@ public Long countByArticle(Integer article) {
         log.info("CommentClient.countByArticle 의 응답: " + resp.getBody());
 
         return resp.getBody().getCommentCount();
-
     }
 
     @Override

diff --git a/src/main/java/com/khumu/community/infra/controller/ArticleController.java b/src/main/java/com/khumu/community/infra/controller/ArticleController.java
@@ -1,6 +1,7 @@
 package com.khumu.community.infra.controller;
 
 import com.khumu.community.application.dto.ArticleDto;
+import com.khumu.community.application.dto.DetailedArticleDto;
 import com.khumu.community.application.dto.input.CreateArticleRequest;
 import com.khumu.community.application.dto.input.IsAuthorInput;
 import com.khumu.community.application.dto.input.UpdateArticleRequest;
@@ -27,7 +28,17 @@ public class ArticleController {
     final private ArticleService articleService;
     final private LikeArticleService likeArticleService;
     final private BookmarkArticleService bookmarkArticleService;
-
+
+    @PostMapping(value = "/api/community/v1/articles")
+    @ResponseBody
+    @ResponseStatus(code = HttpStatus.CREATED)
+    public DefaultResponse<ArticleDto> create(@AuthenticationPrincipal User user, @RequestBody CreateArticleRequest body) {
+        ArticleDto article = articleService.write(user, body);
+        return DefaultResponse.<ArticleDto>builder()
+                .data(article)
+                .build();
+    }
+
     @GetMapping(value = "/api/community/v1/articles")
     @ResponseBody
     @ResponseStatus(code = HttpStatus.OK)
@@ -67,12 +78,13 @@ public DefaultResponse<List<ArticleDto>> list(
                 .build();
     }
 
-    @PostMapping(value = "/api/community/v1/articles")
+    @GetMapping(value = "/api/community/v1/articles/{id}")
     @ResponseBody
-    @ResponseStatus(code = HttpStatus.CREATED)
-    public DefaultResponse<ArticleDto> create(@AuthenticationPrincipal User user, @RequestBody CreateArticleRequest body) {
-        ArticleDto article = articleService.write(user, body);
-        return DefaultResponse.<ArticleDto>builder()
+    @ResponseStatus(code = HttpStatus.OK)
+    public DefaultResponse<DetailedArticleDto> get(@AuthenticationPrincipal User user, @PathVariable Integer id) {
+        DetailedArticleDto article = articleService.getArticle(user, id);
+
+        return DefaultResponse.<DetailedArticleDto>builder()
                 .data(article)
                 .build();
     }