#82 feat : PostRepository 생성

src/main/java/com/seoultech/synergybe/domain/post/repository/PostRepository.java

@@ -12,7 +12,7 @@
 import java.util.List;
 
 @Repository
-public interface PostRepository extends JpaRepository<Post, String> {
+public interface PostRepository extends JpaRepository<Post, String>, PostRepositoryCustom {
 
     @Query(value = "SELECT * FROM post WHERE post_id < :postId AND is_deleted = 0 ORDER BY post_id DESC LIMIT 10", nativeQuery = true)
     List<Post> findAllByEndId(@Param("postId") String postId);
@@ -42,6 +42,6 @@ public interface PostRepository extends JpaRepository<Post, String> {
             , nativeQuery = true)
     List<Post> findAllByLikeAndDate();
 
-    @Query(value = "SELECT * FROM post e WHERE post_id IN :ids ORDER BY FIELD(post_id, :ids)", nativeQuery = true)
+    @Query(value = "SELECT * FROM post WHERE post_id IN :ids ORDER BY FIELD(post_id, :ids)", nativeQuery = true)
     List<Post> findAllByIdInOrderByListOrder(@Param("ids") List<String> ids);
 }

src/main/java/com/seoultech/synergybe/domain/post/repository/PostRepositoryCustom.java

@@ -0,0 +1,18 @@
+package com.seoultech.synergybe.domain.post.repository;
+
+import com.seoultech.synergybe.domain.post.Post;
+import com.seoultech.synergybe.domain.post.dto.response.GetPostResponse;
+
+import java.util.List;
+
+public interface PostRepositoryCustom {
+    List<Post> findAllByCreateAtAndLimit(Long offset);
+
+    List<Post> findAllByUserId(String userId);
+
+    List<Post> findAllByFollowingIdAndEndSeq(String followingId, Long end);
+
+    int countTotalPostSize();
+
+    List<GetPostResponse> findAllByMostLikedAndRecentOneWeek();
+}

src/main/java/com/seoultech/synergybe/domain/post/repository/PostRepositoryImpl.java

@@ -0,0 +1,80 @@
+package com.seoultech.synergybe.domain.post.repository;
+
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import com.seoultech.synergybe.domain.post.Post;
+import com.seoultech.synergybe.domain.post.dto.response.GetPostResponse;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+import static com.querydsl.core.types.Projections.constructor;
+import static com.seoultech.synergybe.domain.post.QPost.post;
+import static com.seoultech.synergybe.domain.postlike.QPostLike.postLike;
+
+@Repository
+@RequiredArgsConstructor
+public class PostRepositoryImpl implements PostRepositoryCustom {
+    private final JPAQueryFactory queryFactory;
+
+
+    @Override
+    public List<Post> findAllByCreateAtAndLimit(Long offset) {
+        return queryFactory
+                .selectFrom(post)
+                .orderBy(post.createAt.desc())
+                .limit(10)
+                .offset(offset)
+                .fetch();
+    }
+
+    @Override
+    public List<Post> findAllByUserId(String userId) {
+        return queryFactory
+                .selectFrom(post)
+                .where(post.user.id.eq(userId))
+                .fetch();
+    }
+
+    @Override
+    public List<Post> findAllByFollowingIdAndEndSeq(String followingId, Long end) {
+        return queryFactory
+                .selectFrom(post)
+                .where(post.user.id.eq(followingId))
+                .orderBy(post.createAt.desc())
+                .fetch();
+    }
+
+    @Override
+    public int countTotalPostSize() {
+        return queryFactory
+                .selectFrom(post)
+                .fetch().size();
+    }
+
+    @Override
+    public List<GetPostResponse> findAllByMostLikedAndRecentOneWeek() {
+        LocalDateTime oneWeekAgo = LocalDateTime.now().minusWeeks(1);
+        return queryFactory
+                .select(
+                        constructor(GetPostResponse.class,
+                                post.id,
+                                post.createAt,
+                                post.updateAt,
+                                post.authorName,
+                                post.content.content,
+                                post.title.title,
+                                post.user.id,
+                                postLike.id.count().as("likes")
+                        )
+                )
+                .from(post)
+                .leftJoin(postLike).on(post.id.eq(postLike.post.id))
+                .where(post.createAt.goe(oneWeekAgo))
+                .groupBy(post.id)
+                .orderBy(postLike.id.count().desc())
+                .limit(10)
+                .fetch();
+    }
+}