[FEATURE] 인기 게시물 조회 기능 구현

src/main/java/HookKiller/server/board/controller/ArticleController.java

@@ -1,6 +1,7 @@
 package HookKiller.server.board.controller;
 
 import HookKiller.server.board.dto.ArticleRequestDto;
+import HookKiller.server.board.dto.PopularArticleResponse;
 import HookKiller.server.board.dto.PostArticleRequestDto;
 import HookKiller.server.board.service.ArticleService;
 import HookKiller.server.board.type.ArticleConstants;
@@ -78,4 +79,24 @@ public ResponseEntity<CommonBooleanResultResponse> deleteArticle(@PathVariable L
     return ResponseEntity.ok(articleService.deleteArticle(articleId));
   }
 
+  /**
+   * 최근 7일간의 추천이 많았던 게시물에 대해서 확인이 가능하다.
+   * @param boardId 조회를 희망하는 BoardId
+   * @param page
+   * @param limit
+   * @param request
+   * @return
+   */
+  @GetMapping("/popular/{boardId}")
+  public ResponseEntity<List<PopularArticleResponse>> getPopularArticlesByBoardId(
+          @PathVariable Long boardId,
+          @RequestParam(defaultValue = "0", required = false) int page,
+          @RequestParam(defaultValue = "10", required = false) int limit,
+          HttpServletRequest request
+  ) {
+    return ResponseEntity.ok(
+            articleService.getPopularArticlesByBoardId(page, limit, boardId, LanguageType.findTypeByRequest(request))
+    );
+  }
+
 }

src/main/java/HookKiller/server/board/dto/PopularArticleResponse.java

@@ -0,0 +1,14 @@
+package HookKiller.server.board.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+@AllArgsConstructor
+public class PopularArticleResponse {
+    private Long articleId;
+    private String title;
+
+}

src/main/java/HookKiller/server/board/repository/ArticleRepository.java

@@ -11,6 +11,7 @@
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 
+import java.sql.Timestamp;
 import java.util.Optional;
 
 
@@ -20,7 +21,11 @@ public interface ArticleRepository extends JpaRepository<Article, Long> {
   Page<Article> findAllByBoardAndArticleStatusOrderByCreateAtDesc(Board board, ArticleStatus status, Pageable pageable);
 
   Page<Article> findAllByCreatedUserOrderByCreateAtDesc(User user, Pageable pageable);
-
+
+  Page<Article> findAllByBoardAndArticleStatusAndCreateAtBetweenOrderByLikeCountDesc(
+          Board board, ArticleStatus status, Timestamp startTimestamp, Timestamp endTimestamp, Pageable pageable
+  );
+
   @Query(
           value = "select a.id, u.nick_name as nickName, ac.title, ac.content, a.like_count as likeCount  " +
                   "from tbl_article a " +

src/main/java/HookKiller/server/board/service/ArticleService.java

@@ -1,6 +1,7 @@
 package HookKiller.server.board.service;
 
 import HookKiller.server.board.dto.ArticleRequestDto;
+import HookKiller.server.board.dto.PopularArticleResponse;
 import HookKiller.server.board.dto.PostArticleRequestDto;
 import HookKiller.server.board.entity.Article;
 import HookKiller.server.board.entity.ArticleContent;
@@ -25,6 +26,10 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.sql.Timestamp;
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -219,4 +224,29 @@ public CommonBooleanResultResponse deleteArticle(Long articleId) {
         }
         return CommonBooleanResultResponse.builder().result(false).message(ArticleConstants.ARTICLE_DELETE_FAIL_RTN_MSG).build();
     }
+
+    public List<PopularArticleResponse> getPopularArticlesByBoardId(int page, int limit, Long boardId, LanguageType language) {
+        // 현재 시간을 가져와 Timestamp로 변환
+        Instant currentInstant = Instant.now();
+        Timestamp currentTimestamp = Timestamp.from(currentInstant);
+
+        // 7일 전의 시간을 계산하고 Timestamp로 변환
+        LocalDateTime sevenDaysAgo = LocalDateTime.now().minusDays(7);
+        Instant sevenDaysAgoInstant = sevenDaysAgo.atZone(ZoneId.systemDefault()).toInstant();
+        Timestamp sevenDaysAgoTimestamp = Timestamp.from(sevenDaysAgoInstant);
+
+        Board board = boardRepository.findById(boardId).orElseThrow(() -> BoardNotFoundException.EXCEPTION);
+
+        return articleRepository
+                .findAllByBoardAndArticleStatusAndCreateAtBetweenOrderByLikeCountDesc(board , PUBLIC, sevenDaysAgoTimestamp, currentTimestamp, PageRequest.of(page, limit))
+                .stream()
+                .map(article -> {
+                    ArticleContent content =  articleContentRepository.findByArticleAndLanguage(article, language).orElseThrow(() -> ArticleContentNotFoundException.EXCEPTION);
+                    return PopularArticleResponse.builder()
+                            .articleId(article.getId())
+                            .title(content.getTitle())
+                            .build();
+                })
+                .toList();
+    }
 }

src/main/java/HookKiller/server/config/feign/FeignCommonConfig.java

@@ -17,11 +17,10 @@
 public class FeignCommonConfig {
 
     @Bean
-    public Decoder feignDecoder(ObjectMapper customObjectMapper) {
-        return new JacksonDecoder(customObjectMapper);
+    public Decoder feignDecoder() {
+        return new JacksonDecoder(customObjectMapper());
     }
 
-    @Bean
     public ObjectMapper customObjectMapper() {
         ObjectMapper objectMapper = new ObjectMapper();
         objectMapper.registerModule(new JavaTimeModule());

src/main/java/HookKiller/server/config/security/SecurityConfig.java

@@ -39,6 +39,7 @@ public class SecurityConfig {
 
                 "/article/list/{boardId}",
                 "/article/{articleId}",
+                "/article/popular/{boardId}",
 
                 "/reply/{articleId}",
         });