feat: 모든 회고 목록 조회 (#439)

* del: 미사용 코드 제거

* feat: 모든 회고 목록 조회 로직 구현

Author: mikekks

layer-api/src/main/java/org/layer/domain/retrospect/controller/RetrospectApi.java

@@ -28,6 +28,9 @@ ResponseEntity<RetrospectCreateResponse> createRetrospect(@PathVariable("spaceId
 	ResponseEntity<RetrospectListGetResponse> getRetrospects(@PathVariable("spaceId") Long spaceId,
 		@MemberId Long memberId);
 
+	@Operation(summary = "모든 회고 목록 조회", description = "특정 유저의 모든 회고 목록을 보는 기능입니다.")
+	ResponseEntity<RetrospectListGetResponse> getAllRetrospects(@MemberId Long memberId);
+
 	@Operation(summary = "회고 수정", description = "특정 팀 스페이스에서 작성했던 회고를 수정하는 기능입니다.")
 	ResponseEntity<RetrospectListGetResponse> updateRetrospect(@PathVariable("spaceId") Long spaceId,
 		@PathVariable("retrospectId") Long retrospectId, @RequestBody @Valid RetrospectUpdateRequest request, @MemberId Long memberId);

layer-api/src/main/java/org/layer/domain/retrospect/controller/RetrospectController.java

@@ -14,13 +14,12 @@
 
 @RestController
 @RequiredArgsConstructor
-@RequestMapping("/space/{spaceId}/retrospect")
 public class RetrospectController implements RetrospectApi {
 
 	private final RetrospectService retrospectService;
 
 	@Override
-	@PostMapping
+	@PostMapping("/space/{spaceId}/retrospect")
 	public ResponseEntity<RetrospectCreateResponse> createRetrospect(
 		@PathVariable("spaceId") Long spaceId,
 		@RequestBody @Valid RetrospectCreateRequest request,
@@ -32,15 +31,22 @@ public ResponseEntity<RetrospectCreateResponse> createRetrospect(
 	}
 
 	@Override
-	@GetMapping
+	@GetMapping("/space/{spaceId}/retrospect")
 	public ResponseEntity<RetrospectListGetResponse> getRetrospects(@PathVariable("spaceId") Long spaceId,
 		@MemberId Long memberId) {
 
 		return ResponseEntity.ok().body(retrospectService.getRetrospects(spaceId, memberId));
 	}
 
 	@Override
-	@PatchMapping("/{retrospectId}")
+	@GetMapping("/retrospects")
+	public ResponseEntity<RetrospectListGetResponse> getAllRetrospects(@MemberId Long memberId) {
+
+		return ResponseEntity.ok().body(retrospectService.getAllRetrospects(memberId));
+	}
+
+	@Override
+	@PatchMapping("/space/{spaceId}/retrospect/{retrospectId}")
 	public ResponseEntity<RetrospectListGetResponse> updateRetrospect(@PathVariable("spaceId") Long spaceId,
 		@PathVariable("retrospectId") Long retrospectId, @RequestBody @Valid RetrospectUpdateRequest request,
 		@MemberId Long memberId) {
@@ -50,7 +56,7 @@ public ResponseEntity<RetrospectListGetResponse> updateRetrospect(@PathVariable(
 	}
 
 	@Override
-	@DeleteMapping("/{retrospectId}")
+	@DeleteMapping("/space/{spaceId}/retrospect/{retrospectId}")
 	public ResponseEntity<RetrospectListGetResponse> deleteRetrospect(@PathVariable("spaceId") Long spaceId,
 		@PathVariable("retrospectId") Long retrospectId, @MemberId Long memberId) {
 
@@ -59,7 +65,7 @@ public ResponseEntity<RetrospectListGetResponse> deleteRetrospect(@PathVariable(
 	}
 
 	@Override
-	@PatchMapping("/{retrospectId}/close")
+	@PatchMapping("/space/{spaceId}/retrospect/{retrospectId}/close")
 	public ResponseEntity<Void> closeRetrospect(
 		@PathVariable("spaceId") Long spaceId,
 		@PathVariable("retrospectId") Long retrospectId,

layer-api/src/main/java/org/layer/domain/retrospect/service/RetrospectService.java

@@ -3,6 +3,8 @@
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 
+import org.layer.domain.retrospect.dto.SpaceMemberCount;
+import org.layer.domain.space.entity.MemberSpaceRelation;
 import org.layer.event.ai.AIAnalyzeStartEvent;
 import org.layer.domain.answer.entity.Answers;
 import org.layer.domain.answer.repository.AnswerRepository;
@@ -35,7 +37,9 @@
 import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
+import java.util.Map;
 import java.util.concurrent.atomic.AtomicInteger;
+import java.util.stream.Collectors;
 
 @Service
 @RequiredArgsConstructor
@@ -145,6 +149,34 @@ public RetrospectListGetResponse getRetrospects(Long spaceId, Long memberId) {
 		return RetrospectListGetResponse.of(retrospects.size(), retrospectDtos);
 	}
 
+	public RetrospectListGetResponse getAllRetrospects(Long memberId) {
+
+		List<MemberSpaceRelation> msrList = memberSpaceRelationRepository.findAllByMemberId(memberId);
+		List<Long> spaceIds = msrList.stream().map(m -> m.getSpace().getId()).toList();
+
+		Map<Long, Long> spaceMemberCountMap = memberSpaceRelationRepository.countMembersBySpaceIds(spaceIds)
+			.stream().collect(Collectors.toMap(SpaceMemberCount::getSpaceId, SpaceMemberCount::getMemberCount));
+
+		List<Retrospect> retrospects = retrospectRepository.findAllBySpaceIdIn(spaceIds);
+		List<Long> retrospectIds = retrospects.stream().map(Retrospect::getId).toList();
+		Answers answers = new Answers(answerRepository.findAllByRetrospectIdIn(retrospectIds));
+
+		List<RetrospectGetResponse> retrospectDtos = retrospects.stream()
+			.map(r -> {
+				long writeCount = spaceMemberCountMap.get(r.getSpaceId());
+				if (r.getRetrospectStatus().equals(RetrospectStatus.DONE)) {
+					writeCount = answers.getWriteCount(r.getId());
+				}
+
+				return RetrospectGetResponse.of(r.getId(), r.getTitle(), r.getIntroduction(),
+					answers.getWriteStatus(memberId, r.getId()), r.getRetrospectStatus(), r.getAnalysisStatus(),
+					answers.getWriteCount(r.getId()), writeCount, r.getCreatedAt(), r.getDeadline());
+			})
+			.toList();
+
+		return RetrospectListGetResponse.of(retrospects.size(), retrospectDtos);
+	}
+
 	private List<Question> getQuestions(List<QuestionCreateRequest> questions, Long savedRetrospectId, Long formId) {
 		AtomicInteger index = new AtomicInteger(1);
 

layer-domain/src/main/java/org/layer/domain/retrospect/dto/SpaceMemberCount.java

@@ -0,0 +1,14 @@
+package org.layer.domain.retrospect.dto;
+
+import lombok.Getter;
+
+@Getter
+public class SpaceMemberCount {
+	private final Long spaceId;
+	private final Long memberCount;
+
+	public SpaceMemberCount(Long spaceId, Long memberCount) {
+		this.spaceId = spaceId;
+		this.memberCount = memberCount;
+	}
+}

layer-domain/src/main/java/org/layer/domain/retrospect/repository/RetrospectCustomRepository.java

@@ -17,9 +17,11 @@
 import java.util.List;
 import java.util.Optional;
 
-public interface RetrospectRepository extends JpaRepository<Retrospect, Long>, RetrospectCustomRepository {
+public interface RetrospectRepository extends JpaRepository<Retrospect, Long> {
     List<Retrospect> findAllBySpaceId(Long spaceId);
 
+	List<Retrospect> findAllBySpaceIdIn(List<Long> spaceIds);
+
     List<Retrospect> findAllByDeadlineBeforeAndRetrospectStatus(LocalDateTime now, RetrospectStatus retrospectStatus);
 
     default Retrospect findByIdOrThrow(Long retrospectId) {

layer-domain/src/main/java/org/layer/domain/retrospect/repository/RetrospectCustomRepositoryImpl.java

@@ -1,6 +1,7 @@
 package org.layer.domain.space.repository;
 
 
+import org.layer.domain.retrospect.dto.SpaceMemberCount;
 import org.layer.domain.space.entity.MemberSpaceRelation;
 import org.layer.domain.space.entity.Space;
 import org.springframework.data.jpa.repository.JpaRepository;
@@ -18,6 +19,12 @@ public interface MemberSpaceRelationRepository extends JpaRepository<MemberSpace
 
     List<MemberSpaceRelation> findAllBySpaceId(Long spaceId);
 
+    @Query("SELECT new org.layer.domain.retrospect.dto.SpaceMemberCount(m.space.id, COUNT(m)) " +
+            "FROM MemberSpaceRelation m " +
+            "WHERE m.space.id IN :spaceIds " +
+            "GROUP BY m.space.id")
+    List<SpaceMemberCount> countMembersBySpaceIds(@Param("spaceIds") List<Long> spaceIds);
+
     @Modifying(clearAutomatically = true)
     @Query("DELETE FROM MemberSpaceRelation m where m.space.id = :spaceId")
     void deleteAllBySpaceIdInBatch(Long spaceId);