Feat: [FN-120] 나의 그룹 전체 조회

Feat: [FN-120] 나의 그룹 전체 조회

Author: stoneTiger0912

src/main/java/project/flipnote/group/controller/GroupController.java

@@ -94,4 +94,15 @@ public ResponseEntity<CursorPagingResponse<GroupInfo>> findGroup(
 
 		return ResponseEntity.ok(res);
 	}
+	
+	//내 그룹 전체 조회
+	@GetMapping("/me")
+	public ResponseEntity<CursorPagingResponse<GroupInfo>> findMyGroup(
+		@AuthenticationPrincipal AuthPrinciple authPrinciple,
+		@Valid @ModelAttribute GroupListRequest req
+	) {
+		CursorPagingResponse<GroupInfo> res = groupService.findMyGroup(authPrinciple, req);
+
+		return ResponseEntity.ok(res);
+	}
 }

src/main/java/project/flipnote/group/repository/GroupRepositoryCustom.java

@@ -7,4 +7,6 @@
 
 public interface GroupRepositoryCustom {
 	List<GroupInfo> findAllByCursor(Long lastId, Category category, int pageSize);
+
+	List<GroupInfo> findAllByCursorAndUserId(Long lastId, Category category, int pageSize, Long userId);
 }

src/main/java/project/flipnote/group/repository/GroupRepositoryImpl.java

@@ -10,6 +10,7 @@
 import lombok.RequiredArgsConstructor;
 import project.flipnote.group.entity.Category;
 import project.flipnote.group.entity.QGroup;
+import project.flipnote.group.entity.QGroupMember;
 import project.flipnote.group.model.GroupInfo;
 
 @RequiredArgsConstructor
@@ -18,6 +19,7 @@ public class GroupRepositoryImpl implements GroupRepositoryCustom {
 	private final JPAQueryFactory queryFactory;
 
 	QGroup group = QGroup.group;
+	QGroupMember groupMember = QGroupMember.groupMember;
 
 	@Override
 	public List<GroupInfo> findAllByCursor(Long lastId, Category category, int pageSize) {
@@ -47,4 +49,34 @@ public List<GroupInfo> findAllByCursor(Long lastId, Category category, int pageS
 			.fetch();
 	}
 
+	@Override
+	public List<GroupInfo> findAllByCursorAndUserId(Long lastId, Category category, int pageSize, Long userId) {
+		BooleanBuilder where = new BooleanBuilder()
+			.and(group.deletedAt.isNull());
+
+		if (lastId != null) {
+			where.and(group.id.lt(lastId));
+		}
+
+		if (category != null) {
+			where.and(group.category.eq(category));
+		}
+
+		return queryFactory.select(Projections.constructor(
+				GroupInfo.class,
+				group.id,
+				group.name,
+				group.description,
+				group.category,
+				group.imageUrl
+			))
+			.from(groupMember)
+			.join(groupMember.group, group)
+			.on(groupMember.user.id.eq(userId))
+			.where(where)
+			.orderBy(group.id.desc())
+			.limit(pageSize+1)
+			.fetch();
+	}
+
 }

src/main/java/project/flipnote/group/service/GroupService.java

@@ -6,6 +6,7 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import project.flipnote.common.exception.BizException;
@@ -331,15 +332,7 @@ public CursorPagingResponse<GroupInfo> findGroup(AuthPrinciple authPrinciple, Gr
 
 		List<GroupInfo> groups = groupRepository.findAllByCursor(req.getCursorId(), category, req.getSize());
 
-		boolean hasNext = groups.size() > req.getSize();
-
-		if (hasNext) {
-			groups = groups.subList(0, req.getSize());
-		}
-
-		Long nextCursor = hasNext ? groups.get(groups.size() - 1).groupId() : null;
-
-		return CursorPagingResponse.of(groups, hasNext, nextCursor);
+		return createGroupInfoCursorPagingResponse(req, groups);
 	}
 
 	private Category convertCategory(String rawCategory) {
@@ -365,4 +358,38 @@ private Category convertCategory(String rawCategory) {
 	public boolean existsMember(Long groupId, Long userId) {
 		return groupMemberRepository.existsByGroup_IdAndUser_Id(groupId, userId);
 	}
+
+	/**
+	 * 내가 가입한 그룹 전체 조회하기
+	 * 
+	 * @param authPrinciple 회원 accessToken
+	 * @param req 필터링
+	 * @return
+	 */
+	public CursorPagingResponse<GroupInfo> findMyGroup(AuthPrinciple authPrinciple, GroupListRequest req) {
+		//1. 유저 가져오기
+		UserProfile user = getUser(authPrinciple);
+
+		//2. 카테고리 변환
+		Category category = convertCategory(req.getCategory());
+
+		List<GroupInfo> groups = groupRepository.findAllByCursorAndUserId(req.getCursorId(), category, req.getSize(),
+			user.getId());
+
+		return createGroupInfoCursorPagingResponse(req, groups);
+	}
+
+	//리스트 조회시 response 생성
+	private CursorPagingResponse<GroupInfo> createGroupInfoCursorPagingResponse(GroupListRequest req,
+		List<GroupInfo> groups) {
+		boolean hasNext = groups.size() > req.getSize();
+
+		if (hasNext) {
+			groups = groups.subList(0, req.getSize());
+		}
+
+		Long nextCursor = hasNext ? groups.get(groups.size() - 1).groupId() : null;
+
+		return CursorPagingResponse.of(groups, hasNext, nextCursor);
+	}
 }