feat : 강의 목록 API 수정

dnd-side-project · Jan 4, 2024 · 6d59c9c · 6d59c9c
1 parent fa0b980
commit 6d59c9c
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Showing 26 changed files with 291 additions and 165 deletions.
diff --git a/build.gradle b/build.gradle
@@ -117,4 +117,4 @@ bootJar {
     from("${generateSwaggerUISample.outputDir}") {
         into 'static/docs'
     }
-}
+}
diff --git a/src/main/java/dnd/project/domain/BaseEntity.java b/src/main/java/dnd/project/domain/BaseEntity.java
@@ -21,7 +21,7 @@ public abstract class BaseEntity {
     private LocalDateTime createdDate;
 
     @PrePersist
-    public void onPrePersist(){
+    public void onPrePersist() {
         this.createdDate = LocalDateTime.now(ZoneId.of("Asia/Seoul"));
     }
 }
diff --git a/src/main/java/dnd/project/domain/bookmark/repository/BookmarkRepository.java b/src/main/java/dnd/project/domain/bookmark/repository/BookmarkRepository.java
@@ -11,5 +11,6 @@
 @Repository
 public interface BookmarkRepository extends JpaRepository<Bookmark, Long>, BookmarkCustomRepository {
     Optional<Bookmark> findByLectureAndUser(Lecture lecture, Users user);
+
     void deleteByLectureAndUser(Lecture lecture, Users users);
 }
diff --git a/src/main/java/dnd/project/domain/lecture/repository/LectureQueryRepository.java b/src/main/java/dnd/project/domain/lecture/repository/LectureQueryRepository.java
@@ -9,8 +9,10 @@
 import com.querydsl.core.types.dsl.StringExpression;
 import com.querydsl.jpa.impl.JPAQueryFactory;
 import dnd.project.domain.lecture.entity.Lecture;
+import dnd.project.domain.lecture.response.LectureListReadResponse;
 import dnd.project.domain.lecture.response.LectureReviewListReadResponse;
 import dnd.project.domain.lecture.response.LectureScopeListReadResponse;
+import dnd.project.domain.review.entity.Review;
 import lombok.RequiredArgsConstructor;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageImpl;
@@ -51,6 +53,45 @@ public Map<Long, Long> findBookmarkCount(List<Long> ids) {
                 .transform(GroupBy.groupBy(lecture.id).as(bookmark.id.count()));
     }
 
+    public Map<Long, Double> findReviewAverageScore(List<Long> ids) {
+        return queryFactory
+                .from(lecture)
+                .leftJoin(review).on(lecture.id.eq(review.lecture.id))
+                .where(lecture.id.in(ids))
+                .groupBy(lecture.id)
+                .transform(GroupBy.groupBy(lecture.id).as(review.score.avg()));
+    }
+
+    public List<Review> findAllReviewsByIds(List<Long> ids) {
+        return queryFactory
+                .select(review)
+                .from(review)
+                .where(review.lecture.id.in(ids))
+                .fetch();
+    }
+
+
+    public List<LectureListReadResponse.LectureInfo.ReviewInfo> findAllReviewsById(Long id) {
+
+        return queryFactory.select(
+                        Projections.constructor(LectureListReadResponse.LectureInfo.ReviewInfo.class,
+                                review.id,
+                                selectUser("nickName"),
+                                review.tags,
+                                review.content,
+                                review.createdDate,
+                                review.score,
+                                likeReview.id.count()))
+                .from(review)
+                .leftJoin(review.user, users)
+                .leftJoin(likeReview).on(review.id.eq(likeReview.review.id))
+                .where(review.lecture.id.eq(id))
+                .groupBy(review.id)
+                .orderBy(review.id.desc())
+                .limit(10)
+                .fetch();
+    }
+
     public Page<Lecture> findAll(String mainCategory,
                                  String subCategory,
                                  String searchKeyword,
@@ -198,6 +239,7 @@ public List<String> findAllReviewTagsById(Long id) {
                 .fetch();
     }
 
+
     public Page<LectureReviewListReadResponse.ReviewInfo> findAllReviewsById(Long id,
                                                                              String searchKeyword,
                                                                              Integer page,

diff --git a/src/main/java/dnd/project/domain/lecture/response/LectureListReadResponse.java b/src/main/java/dnd/project/domain/lecture/response/LectureListReadResponse.java
@@ -1,9 +1,12 @@
 package dnd.project.domain.lecture.response;
 
+import com.fasterxml.jackson.annotation.JsonFormat;
 import dnd.project.domain.lecture.entity.Lecture;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 
+import java.time.LocalDateTime;
+import java.util.ArrayList;
 import java.util.List;
 
 @Getter
@@ -30,8 +33,16 @@ public static class LectureInfo {
         private final String imageUrl;
         private final Long reviewCount;
         private final Long bookmarkCount;
+        private final Double averageScore;
+        private final List<TagGroup> tagGroups;
+        private final List<ReviewInfo> reviews; // 최근 10개 리뷰
 
-        public static LectureInfo of(Lecture lecture, Long reviewCount, Long bookmarkCount) {
+        public static LectureInfo of(Lecture lecture,
+                                     Long reviewCount,
+                                     Long bookmarkCount,
+                                     Double averageScore,
+                                     List<TagGroup> tagGroups,
+                                     List<ReviewInfo> reviews) {
             return new LectureInfo(lecture.getId(),
                     lecture.getTitle(),
                     lecture.getSource(),
@@ -42,7 +53,34 @@ public static LectureInfo of(Lecture lecture, Long reviewCount, Long bookmarkCou
                     lecture.getSubCategory(),
                     lecture.getImageUrl(),
                     reviewCount,
-                    bookmarkCount);
+                    bookmarkCount,
+                    averageScore,
+                    tagGroups,
+                    reviews);
+        }
+
+        @Getter
+        public static class ReviewInfo {
+            private final Long id;
+            private final String nickname;
+            private final List<String> tags = new ArrayList<>();
+            private final String content;
+            @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd", timezone = "Asia/Seoul")
+            private final LocalDateTime createdDate;
+            private final Double score;
+            private final Long likeCount;
+
+            public ReviewInfo(Long id, String nickname, String tags, String content, LocalDateTime createdDate, Double score, Long likeCount) {
+                this.id = id;
+                this.nickname = nickname;
+                for (String tag : tags.split(",")) {
+                    this.tags.add(tag.trim());
+                }
+                this.content = content;
+                this.createdDate = createdDate;
+                this.score = score;
+                this.likeCount = likeCount;
+            }
         }
     }
 

diff --git a/src/main/java/dnd/project/domain/lecture/response/LectureReadResponse.java b/src/main/java/dnd/project/domain/lecture/response/LectureReadResponse.java
@@ -41,18 +41,4 @@ public static LectureReadResponse of(Lecture lecture,
                 averageScore,
                 tagGroups);
     }
-
-    @Getter
-    @RequiredArgsConstructor
-    public static class TagGroup {
-        private final String name;
-        private final List<Tag> tags;
-
-        @Getter
-        @RequiredArgsConstructor
-        public static class Tag {
-            private final String name;
-            private final Integer count;
-        }
-    }
 }
diff --git a/src/main/java/dnd/project/domain/lecture/response/TagGroup.java b/src/main/java/dnd/project/domain/lecture/response/TagGroup.java
@@ -0,0 +1,20 @@
+package dnd.project.domain.lecture.response;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+import java.util.List;
+
+@Getter
+@RequiredArgsConstructor
+public class TagGroup {
+    private final String name;
+    private final List<Tag> tags;
+
+    @Getter
+    @RequiredArgsConstructor
+    public static class Tag {
+        private final String name;
+        private final Integer count;
+    }
+}
-Original file line number
+Diff line change
@@ Expand Up / @@ -117,4 +117,4 @@ bootJar { @@
         from("${generateSwaggerUISample.outputDir}") {
             into 'static/docs'
         }
-    }
+    }