✨ feat: 북마크된 공고 목록 저장 많은 순 조회 기능 개발

http/test.http

@@ -76,11 +76,15 @@ Authorization: Bearer {{masterToken}}
 Content-Type: application/json
 
 {
-  "announcementId": 2
+  "announcementId": 1
 }
 
 ### 북마크 최근 저장순 조회
-GET http://localhost:8080/api/v1/me/announcements/bookmarked/sort?sort=RECENT
+GET http://localhost:8080/api/v1/me/announcements/bookmarked?sort=RECENT
+Authorization: Bearer {{masterToken}}
+
+### 북마크 저장 많은순 조회
+GET http://localhost:8080/api/v1/me/announcements/bookmarked?sort=SAVED
 Authorization: Bearer {{masterToken}}
 
 ### 보고서 작성

src/main/java/com/sponus/sponusbe/domain/bookmark/controller/BookmarkController.java

@@ -36,14 +36,17 @@ public ApiResponse<BookmarkToggleResponse> bookmarkToggle(
 		return ApiResponse.onSuccess(bookmarkService.bookmarkToggle(authOrganization, request));
 	}
 
-	@GetMapping("/bookmarked/sort")
-	public ApiResponse<List<BookmarkGetResponse>> getBookmark(
+	@GetMapping("/bookmarked")
+	public ApiResponse<List<BookmarkGetResponse>> getRecentBookmark(
 		@AuthOrganization Organization authOrganization,
-		@RequestParam("sort") BookmarkStatus sortStatus
+		@RequestParam(name = "sort") BookmarkStatus sortStatus
 	) {
 		if (sortStatus == BookmarkStatus.RECENT) {
 			return ApiResponse.onSuccess(bookmarkService.getRecentBookmark(authOrganization));
 		}
+		if (sortStatus == BookmarkStatus.SAVED) {
+			return ApiResponse.onSuccess(bookmarkService.getSavedBookmark(authOrganization));
+		}
 		return ApiResponse.onSuccess(Collections.emptyList());
 	}
 }

src/main/java/com/sponus/sponusbe/domain/bookmark/dto/BookmarkGetResponse.java

@@ -12,7 +12,8 @@ public record BookmarkGetResponse(
 	Long id,
 	Long announcementId,
 	String announcementTitle,
-	LocalDateTime createdAt
+	LocalDateTime createdAt,
+	Long savedCount
 ) {
 
 	public static BookmarkGetResponse from(Bookmark bookmark) {
@@ -21,6 +22,7 @@ public static BookmarkGetResponse from(Bookmark bookmark) {
 			.announcementId(bookmark.getAnnouncement().getId())
 			.announcementTitle(bookmark.getAnnouncement().getTitle())
 			.createdAt(bookmark.getCreatedAt())
+			.savedCount(bookmark.getSavedCount())
 			.build();
 	}
 }

src/main/java/com/sponus/sponusbe/domain/bookmark/entity/Bookmark.java

@@ -36,11 +36,20 @@ public class Bookmark extends BaseEntity {
 	@Column(name = "bookmark_id")
 	private Long id;
 
+	@Column(name = "saved_count", nullable = false)
+	private long savedCount;
+
 	@ManyToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "organization_id", foreignKey = @ForeignKey(ConstraintMode.NO_CONSTRAINT))
 	private Organization organization;
 
 	@ManyToOne(fetch = FetchType.LAZY, optional = false)
 	@JoinColumn(name = "announcement_id", foreignKey = @ForeignKey(ConstraintMode.NO_CONSTRAINT))
 	private Announcement announcement;
+
+	public void increaseSavedCount() { this.savedCount++; }
+	public void decreaseSavedCount() {
+		if (this.savedCount > 0) {
+		this.savedCount--;
+	} }
 }

src/main/java/com/sponus/sponusbe/domain/bookmark/repository/BookmarkRepository.java

@@ -14,5 +14,7 @@ public interface BookmarkRepository extends JpaRepository<Bookmark, Long> {
 
 	Optional<Bookmark> findByOrganizationAndAnnouncement(Organization organization, Announcement announcement);
 	List<BookmarkGetResponse> findByOrganizationOrderByCreatedAtDesc(Organization organization);
+	List<BookmarkGetResponse> findByOrganizationOrderBySavedCountDesc(Organization organization);
+
 }
 

src/main/java/com/sponus/sponusbe/domain/bookmark/service/BookmarkService.java

@@ -37,14 +37,20 @@ public BookmarkToggleResponse bookmarkToggle(Organization organization, Bookmark
 
 		if (existingBookmark != null) {
 			bookmarkRepository.delete(existingBookmark);
+			existingBookmark.decreaseSavedCount();
 			return BookmarkToggleResponse.from(existingBookmark, false); // 이미 북마크가 되어있는 경우 취소
 		} else {
 			final Bookmark bookmark = bookmarkRepository.save(request.toEntity(organization, announcement));
+			bookmark.increaseSavedCount();
 			return BookmarkToggleResponse.from(bookmark, true); // 북마크가 안되어있는 경우 등록
 		}
 	}
 
 	public List<BookmarkGetResponse> getRecentBookmark(Organization organization) {
 		return bookmarkRepository.findByOrganizationOrderByCreatedAtDesc(organization);
 	}
+
+	public List<BookmarkGetResponse> getSavedBookmark(Organization organization) {
+		return bookmarkRepository.findByOrganizationOrderBySavedCountDesc(organization);
+	}
 }