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feat: 유저 팔로잉/팔로워 목록 조회 API #274

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merged 4 commits into from
Feb 5, 2024
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feat: 유저 팔로잉/팔로워 목록 조회 API #274

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3827c29
feat: 유저 팔로잉/팔로워 목록 조회 API
kdomo Feb 5, 2024
4c91e97
style: spotless
kdomo Feb 5, 2024
0eb8e48
refactor: 메소드 추출
kdomo Feb 5, 2024
6ef7274
style: spotless
kdomo Feb 5, 2024
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8 changes: 8 additions & 0 deletions src/main/java/com/depromeet/domain/follow/api/FollowController.java
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Expand Up @@ -5,6 +5,7 @@
import com.depromeet.domain.follow.dto.request.FollowDeleteRequest;
import com.depromeet.domain.follow.dto.response.FollowFindMeInfoResponse;
import com.depromeet.domain.follow.dto.response.FollowFindTargetInfoResponse;
import com.depromeet.domain.follow.dto.response.FollowListResponse;
import com.depromeet.domain.follow.dto.response.MemberFollowedResponse;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
Expand Down Expand Up @@ -56,4 +57,11 @@ public FollowFindMeInfoResponse followFindMe() {
public List<MemberFollowedResponse> followedUserFindAll() {
return followService.findAllFollowedMember();
}

// 팔로잉, 팔로워 리스트 응답
@GetMapping("/{targetId}/list")
@Operation(summary = "팔로잉, 팔로워 유저 리스트를 반환합니다", description = "팔로잉, 팔로워 유저들을 반환합니다.")
public FollowListResponse followList(@PathVariable Long targetId) {
return followService.findFollowList(targetId);
}
Comment on lines +60 to +66
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@GetMapping("/{targetId}")
    @Operation(
            summary = "타인의 팔로우 카운트 확인",
            description = "타인의 팔로잉/팔로워 카운트와 내가 타인을 팔로우를 하고있는지 확인합니다.")
    public FollowFindTargetInfoResponse followFindTarget(@PathVariable Long targetId) {
        return followService.findTargetFollowInfo(targetId);
    }

위 코드는 count를 확인하는 용도라 혹시 프론트와 협의해서 추가한 엔드포인트와 같이 변경 가능하실까요??

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윤범님이 주신 코멘트 저도 동감하는데요..!
음 기존에 동작하고 있던게 있기도해서 프론트 공수도 체크해봐야 할 것 같아요ㅜ
스펙도 프론트랑 정해두어서 우선순위에 있는대로 우선 가고 나중에 3차 스프린트 끝나고 리팩토링 하는게 좋을 것 같아용

}
80 changes: 76 additions & 4 deletions src/main/java/com/depromeet/domain/follow/application/FollowService.java
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Expand Up @@ -4,12 +4,10 @@
import com.depromeet.domain.follow.domain.MemberRelation;
import com.depromeet.domain.follow.dto.request.FollowCreateRequest;
import com.depromeet.domain.follow.dto.request.FollowDeleteRequest;
import com.depromeet.domain.follow.dto.response.FollowFindMeInfoResponse;
import com.depromeet.domain.follow.dto.response.FollowFindTargetInfoResponse;
import com.depromeet.domain.follow.dto.response.FollowStatus;
import com.depromeet.domain.follow.dto.response.MemberFollowedResponse;
import com.depromeet.domain.follow.dto.response.*;
import com.depromeet.domain.member.dao.MemberRepository;
import com.depromeet.domain.member.domain.Member;
import com.depromeet.domain.member.dto.response.MemberSearchResponse;
import com.depromeet.domain.mission.domain.Mission;
import com.depromeet.domain.missionRecord.domain.ImageUploadStatus;
import com.depromeet.domain.missionRecord.domain.MissionRecord;
Expand Down Expand Up @@ -188,4 +186,78 @@ private Member getTargetMember(Long targetId) {
ErrorCode.FOLLOW_TARGET_MEMBER_NOT_FOUND));
return targetMember;
}

public FollowListResponse findFollowList(Long targetId) {
final Member currentMember = memberUtil.getCurrentMember();
Member targetMember = getTargetMember(targetId);

List<MemberSearchResponse> followingList = new ArrayList<>();
List<MemberSearchResponse> followerList = new ArrayList<>();

List<MemberRelation> targetMemberSources =
memberRelationRepository.findAllBySourceId(targetMember.getId());
List<MemberRelation> targetMemberTargets =
memberRelationRepository.findAllByTargetId(targetMember.getId());

List<MemberRelation> currentMemberSources =
memberRelationRepository.findAllBySourceId(currentMember.getId());
List<MemberRelation> currentMemberTargets =
memberRelationRepository.findAllByTargetId(currentMember.getId());

// target 유저의 팔로잉
List<Member> followingMembers =
targetMemberSources.stream().map(MemberRelation::getTarget).toList();

// target 유저의 팔로워
List<Member> followerMembers =
targetMemberTargets.stream().map(MemberRelation::getSource).toList();

// 팔로잉 리스트 구하기
getFollowStatusIncludeList(
followingMembers, currentMemberSources, followingList, currentMemberTargets);

// 팔로워 리스트 구하기
getFollowStatusIncludeList(
followerMembers, currentMemberSources, followerList, currentMemberTargets);

return FollowListResponse.of(
targetMember.getProfile().getNickname(), followingList, followerList);
}

private static void getFollowStatusIncludeList(
List<Member> targetMembers,
List<MemberRelation> currentMemberSources,
List<MemberSearchResponse> resultList,
List<MemberRelation> currentMemberTargets) {
for (Member member : targetMembers) {
boolean existRelation = false;
for (MemberRelation memberRelation : currentMemberSources) {
if (member.getId().equals(memberRelation.getTarget().getId())) {
existRelation = true;
break;
}
}

if (existRelation) { // 조회 된 애들 중 내가 팔로우한 애라면
resultList.add(MemberSearchResponse.toFollowingResponse(member));
continue;
}

// 내가 팔로우를 하지 않았을 때
Optional<MemberRelation> optionalMemberRelation =
currentMemberTargets.stream()
.filter(
memberRelation ->
member.getId()
.equals(memberRelation.getSource().getId()))
.findFirst();
if (optionalMemberRelation.isPresent()) { // 상대방만 나를 팔로우 하고 있을 때
resultList.add(MemberSearchResponse.toFollowedByMeResponse(member));
continue;
}

// 아니라면 서로 팔로우가 아닌 상태
resultList.add(MemberSearchResponse.toNotFollowingResponse(member));
}
}
}
16 changes: 16 additions & 0 deletions src/main/java/com/depromeet/domain/follow/dto/response/FollowListResponse.java
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@@ -0,0 +1,16 @@
package com.depromeet.domain.follow.dto.response;

import com.depromeet.domain.member.dto.response.MemberSearchResponse;
import java.util.List;

public record FollowListResponse(
String targetNickname,
List<MemberSearchResponse> followingList,
List<MemberSearchResponse> followerList) {
public static FollowListResponse of(
String targetNickname,
List<MemberSearchResponse> followingList,
List<MemberSearchResponse> followerList) {
return new FollowListResponse(targetNickname, followingList, followerList);
}
}
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