Feat: [FN-264] 카드셋 생성 및 수정시 매니저 설정 기능 구현

src/main/java/project/flipnote/cardset/controller/docs/GroupCardSetControllerDocs.java

@@ -6,9 +6,13 @@
 import io.swagger.v3.oas.annotations.security.SecurityRequirement;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import project.flipnote.cardset.model.CardSetDetailResponse;
+import project.flipnote.cardset.model.CardSetSearchRequest;
+import project.flipnote.cardset.model.CardSetSummaryResponse;
 import project.flipnote.cardset.model.CardSetUpdateRequest;
 import project.flipnote.cardset.model.CreateCardSetRequest;
 import project.flipnote.cardset.model.CreateCardSetResponse;
+import project.flipnote.common.model.response.IdResponse;
+import project.flipnote.common.model.response.PagingResponse;
 import project.flipnote.common.security.dto.AuthPrinciple;
 
 @Tag(name = "CardSet", description = "CardSet API")
@@ -29,4 +33,10 @@ ResponseEntity<CardSetDetailResponse> updateCardSet(
 		CardSetUpdateRequest req,
 		AuthPrinciple authPrinciple
 	);
+
+	@Operation(summary = "그룹별 카드셋 조회", security = {@SecurityRequirement(name = "access-token")})
+	ResponseEntity<PagingResponse<CardSetSummaryResponse>> getCardSets(Long groupId, CardSetSearchRequest req);
+
+	@Operation(summary = "카드셋 삭제", security = {@SecurityRequirement(name = "access-token")})
+	ResponseEntity<IdResponse> deleteCardSet(Long groupId, Long cardSetId, AuthPrinciple authPrinciple);
 }

src/main/java/project/flipnote/cardset/entity/CardSet.java

@@ -32,6 +32,9 @@ public class CardSet extends BaseEntity {
 	@Column(nullable = false, length = 50)
 	private String name;
 
+	@Column(nullable = false)
+	private Long author;
+
 	@ManyToOne
 	@JoinColumn(name = "group_id", nullable = false)
 	private Group group;
@@ -48,9 +51,17 @@ public class CardSet extends BaseEntity {
 	private String imageUrl;
 
 	@Builder
-	private CardSet(String name, Group group, Boolean publicVisible, Category category, String hashtag,
-		String imageUrl) {
+	private CardSet(
+		String name,
+		Long author,
+		Group group,
+		Boolean publicVisible,
+		Category category,
+		String hashtag,
+		String imageUrl
+	) {
 		this.name = name;
+		this.author = author;
 		this.group = group;
 		this.publicVisible = publicVisible;
 		this.category = category;

src/main/java/project/flipnote/cardset/model/CardSetUpdateRequest.java

@@ -1,11 +1,11 @@
 package project.flipnote.cardset.model;
 
 import java.util.List;
-
-import org.hibernate.validator.constraints.URL;
+import java.util.Set;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Size;
 import project.flipnote.group.entity.Category;
@@ -25,6 +25,9 @@ public record CardSetUpdateRequest(
 	@NotNull
 	List<String> hashtag,
 
+	@NotEmpty @Size(min = 1)
+	Set<Long> managers,
+
 	Long imageRefId
 ) {
 

src/main/java/project/flipnote/cardset/model/CreateCardSetRequest.java

@@ -1,10 +1,10 @@
 package project.flipnote.cardset.model;
 
 import java.util.List;
-
-import org.hibernate.validator.constraints.URL;
+import java.util.Set;
 
 import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Size;
 import project.flipnote.group.entity.Category;
@@ -24,6 +24,9 @@ public record CreateCardSetRequest(
 	@NotNull
 	List<String> hashtag,
 
+	@NotEmpty @Size(min = 1)
+	Set<Long> managers,
+
 	Long imageRefId
 ) {
 }

src/main/java/project/flipnote/cardset/repository/CardSetManagerRepository.java

@@ -1,6 +1,9 @@
 package project.flipnote.cardset.repository;
 
+import java.util.Set;
+
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.stereotype.Repository;
 
 import project.flipnote.cardset.entity.CardSetManager;
@@ -11,4 +14,9 @@ public interface CardSetManagerRepository extends JpaRepository<CardSetManager,
 	boolean existsByUser_IdAndCardSet_Id(Long userId, Long cardSetId);
 
 	int deleteByCardSet_Id(Long cardSetId);
+
+	@Query("SELECT cm.user.id FROM CardSetManager cm WHERE cm.cardSet.id = :cardSetId")
+	Set<Long> findUserIdsByCardSetId(Long cardSetId);
+
+	int deleteByCardSet_IdAndUser_IdIn(Long cardSetId, Set<Long> userIds);
 }

src/main/java/project/flipnote/cardset/service/CardSetManagerWriter.java

@@ -0,0 +1,83 @@
+package project.flipnote.cardset.service;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import org.springframework.stereotype.Service;
+
+import lombok.RequiredArgsConstructor;
+import project.flipnote.cardset.entity.CardSet;
+import project.flipnote.cardset.entity.CardSetManager;
+import project.flipnote.cardset.repository.CardSetManagerRepository;
+import project.flipnote.user.repository.UserProfileRepository;
+
+@RequiredArgsConstructor
+@Service
+public class CardSetManagerWriter {
+
+	private final CardSetManagerRepository cardSetManagerRepository;
+	private final UserProfileRepository userProfileRepository;
+
+	/**
+	 * 카드셋에 매니저들을 할당
+	 * 카드셋 생성시 생성자는 항상 매니저로 포함됨
+	 *
+	 * @param cardSet    매니저를 할당할 카드셋
+	 * @param managerIds 요청된 매니저 ID 목록
+	 * @author 윤정환
+	 */
+	public void assignManagers(CardSet cardSet, Set<Long> managerIds) {
+		Set<Long> finalManagerIds = includeAuthor(cardSet.getAuthor(), managerIds);
+
+		List<CardSetManager> managers = finalManagerIds.stream()
+			.map(id -> CardSetManager.builder()
+				.cardSet(cardSet)
+				.user(userProfileRepository.getReferenceById(id))
+				.build())
+			.toList();
+
+		cardSetManagerRepository.saveAll(managers);
+	}
+
+	/**
+	 * 카드셋의 매니저를 수정
+	 * 차집합을 이용해 삭제/추가할 매니저만 처리
+	 *
+	 * @param cardSet       매니저를 수정할 카드셋
+	 * @param newManagerIds 새로운 매니저 ID 목록
+	 * @author 윤정환
+	 */
+	public void updateManagers(CardSet cardSet, Set<Long> newManagerIds) {
+		Set<Long> currentManagerIds = cardSetManagerRepository.findUserIdsByCardSetId(cardSet.getId());
+
+		Set<Long> toDelete = difference(currentManagerIds, newManagerIds);
+		Set<Long> toAdd = difference(newManagerIds, currentManagerIds);
+
+		if (!toDelete.isEmpty()) {
+			cardSetManagerRepository.deleteByCardSet_IdAndUser_IdIn(cardSet.getId(), toDelete);
+		}
+
+		if (!toAdd.isEmpty()) {
+			List<CardSetManager> managers = toAdd.stream()
+				.map(id -> CardSetManager.builder()
+					.cardSet(cardSet)
+					.user(userProfileRepository.getReferenceById(id))
+					.build())
+				.toList();
+			cardSetManagerRepository.saveAll(managers);
+		}
+	}
+
+	private Set<Long> includeAuthor(Long authorId, Set<Long> managerIds) {
+		Set<Long> result = new HashSet<>(managerIds);
+		result.add(authorId);
+		return result;
+	}
+
+	private Set<Long> difference(Set<Long> a, Set<Long> b) {
+		Set<Long> result = new HashSet<>(a);
+		result.removeAll(b);
+		return result;
+	}
+}

src/main/java/project/flipnote/cardset/service/CardSetService.java

@@ -14,7 +14,6 @@
 import project.flipnote.bookmark.service.BookmarkReader;
 import project.flipnote.bookmark.service.BookmarkWriter;
 import project.flipnote.cardset.entity.CardSet;
-import project.flipnote.cardset.entity.CardSetManager;
 import project.flipnote.cardset.entity.CardSetMetadata;
 import project.flipnote.cardset.exception.CardSetErrorCode;
 import project.flipnote.cardset.model.CardSetDetailResponse;
@@ -64,6 +63,7 @@ public class CardSetService {
 	private final GroupRepository groupRepository;
 	private final GroupMemberRepository groupMemberRepository;
 	private final CardSetManagerRepository cardSetManagerRepository;
+	private final CardSetManagerWriter cardSetManagerWriter;
 	private final CardSetPolicyService cardSetPolicyService;
 	private final CardSetMetadataRepository cardSetMetadataRepository;
 	private final ImageService imageService;
@@ -121,6 +121,7 @@ public CreateCardSetResponse createCardSet(Long groupId, AuthPrinciple authPrinc
 
 		CardSet cardSet = CardSet.builder()
 			.name(req.name())
+			.author(user.getId())
 			.group(group)
 			.publicVisible(req.publicVisible())
 			.category(req.category())
@@ -140,13 +141,7 @@ public CreateCardSetResponse createCardSet(Long groupId, AuthPrinciple authPrinc
 			.build();
 		cardSetMetadataRepository.save(metadata);
 
-		//카드셋 매니저도 저장
-		CardSetManager cardSetManager = CardSetManager.builder()
-			.user(user)
-			.cardSet(cardSet)
-			.build();
-
-		cardSetManagerRepository.save(cardSetManager);
+		cardSetManagerWriter.assignManagers(cardSet, req.managers());
 
 		return CreateCardSetResponse.from(cardSet.getId());
 	}
@@ -216,6 +211,8 @@ public CardSetDetailResponse updateCardSet(Long userId, Long groupId, Long cardS
 
 		cardSetRepository.saveAndFlush(cardSet);
 
+		cardSetManagerWriter.updateManagers(cardSet, req.managers());
+
 		boolean liked = likeReader.isLiked(userId, LikeTargetType.CARD_SET, cardSetId);
 		boolean bookmarked = bookmarkReader.isBookmarked(userId, BookmarkTargetType.CARD_SET, cardSetId);