feat: 사용자들이 좋아요한 컨텐츠 TOP 10 조회 기능 추가

knu-hackathons-team · Nov 27, 2024 · 680e99f · 680e99f
1 parent db500ae
commit 680e99f
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Showing 5 changed files with 39 additions and 1 deletion.
diff --git a/src/main/java/com/software/ott/history/controller/ContentLikeController.java b/src/main/java/com/software/ott/history/controller/ContentLikeController.java
@@ -2,6 +2,7 @@
 
 import com.software.ott.common.dto.StringTypeMessageResponse;
 import com.software.ott.history.dto.ContentLikeResponse;
+import com.software.ott.history.dto.TopContentLikeResponse;
 import com.software.ott.history.service.ContentLikeService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
@@ -32,4 +33,11 @@ public ResponseEntity<List<ContentLikeResponse>> readAllContentsLikeByMember(@Re
         List<ContentLikeResponse> contentLikeResponses = contentLikeService.readAllLikeContentsByMember(memberId, like);
         return ResponseEntity.ok().body(contentLikeResponses);
     }
+
+    @Operation(summary = "사용자들 좋아요한 컨텐츠 TOP10", description = "사용자들의 좋아요한 컨텐츠들 중 TOP 10을 조회합니다.")
+    @GetMapping("/top")
+    public ResponseEntity<List<TopContentLikeResponse>> getTop10MostLikedContents() {
+        List<TopContentLikeResponse> topContentLikeResponses = contentLikeService.getTop10MostLikedContents();
+        return ResponseEntity.ok().body(topContentLikeResponses);
+    }
 }
diff --git a/src/main/java/com/software/ott/history/dto/TopContentLikeResponse.java b/src/main/java/com/software/ott/history/dto/TopContentLikeResponse.java
@@ -0,0 +1,9 @@
+package com.software.ott.history.dto;
+
+import com.software.ott.content.entity.Content;
+
+public record TopContentLikeResponse(
+        Content content,
+        Long likeCount
+) {
+}
diff --git a/src/main/java/com/software/ott/history/repository/ContentLikeRepository.java b/src/main/java/com/software/ott/history/repository/ContentLikeRepository.java
@@ -2,6 +2,7 @@
 
 import com.software.ott.history.entity.ContentLike;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
@@ -12,4 +13,10 @@ public interface ContentLikeRepository extends JpaRepository<ContentLike, Long>
     Optional<ContentLike> findByMemberIdAndContentId(Long memberId, Long contentId);
 
     List<ContentLike> findAllByMemberIdAndLiked(Long memberId, boolean liked);
+
+    @Query("SELECT cl.content, COUNT(cl) AS likeCount FROM ContentLike cl " +
+            "WHERE cl.liked = true " +
+            "GROUP BY cl.content " +
+            "ORDER BY likeCount DESC")
+    List<Object[]> findTop10MostLikedContents();
 }
diff --git a/src/main/java/com/software/ott/history/repository/WatchHistoryRepository.java b/src/main/java/com/software/ott/history/repository/WatchHistoryRepository.java
@@ -6,7 +6,6 @@
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
-import java.util.Objects;
 import java.util.Optional;
 
 @Repository

diff --git a/src/main/java/com/software/ott/history/service/ContentLikeService.java b/src/main/java/com/software/ott/history/service/ContentLikeService.java
@@ -4,6 +4,7 @@
 import com.software.ott.content.entity.Content;
 import com.software.ott.content.repository.ContentRepository;
 import com.software.ott.history.dto.ContentLikeResponse;
+import com.software.ott.history.dto.TopContentLikeResponse;
 import com.software.ott.history.entity.ContentLike;
 import com.software.ott.history.repository.ContentLikeRepository;
 import com.software.ott.member.entity.Member;
@@ -54,4 +55,18 @@ public List<ContentLikeResponse> readAllLikeContentsByMember(Long memberId, bool
                         ContentLike.getContent()))
                 .collect(Collectors.toList());
     }
+
+    @Transactional
+    public List<TopContentLikeResponse> getTop10MostLikedContents() {
+        List<Object[]> topContents = contentLikeRepository.findTop10MostLikedContents();
+
+        return topContents.stream()
+                .map(result -> {
+                    Content content = (Content) result[0];
+                    long likeCount = (long) result[1];
+
+                    return new TopContentLikeResponse(content, likeCount);
+                })
+                .collect(Collectors.toList());
+    }
 }