Merge pull request #28 from CodingWasabi/feature-10/groupMember

🔥[FEAT]-#10- party 에 참여한 회원 조회

src/main/java/com/codingwasabi/trti/domain/memberInParty/repository/MemberInPartyRepository.java

@@ -4,6 +4,10 @@
 import com.codingwasabi.trti.domain.party.model.Party;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.List;
+
 public interface MemberInPartyRepository extends JpaRepository<MemberInParty, Long> {
     Integer countByParty(Party party);
+
+    List<MemberInParty> findAllByParty(Party party);
 }

src/main/java/com/codingwasabi/trti/domain/party/PartyAPI.java

@@ -8,4 +8,6 @@ public interface PartyAPI {
     ResponseEntity<?> createParty(MemberAdaptor memberAdaptor, RequestCreatePartyDto requestDto);
 
     ResponseEntity<?> getPartyInfo(MemberAdaptor memberAdaptor, Long id);
+
+    ResponseEntity<?> getPartyMemberList(MemberAdaptor memberAdaptor, Long id);
 }

src/main/java/com/codingwasabi/trti/domain/party/PartyService.java

@@ -4,9 +4,12 @@
 import com.codingwasabi.trti.domain.party.model.request.RequestCreatePartyDto;
 import com.codingwasabi.trti.domain.party.model.response.ResponseCreatePartyDto;
 import com.codingwasabi.trti.domain.party.model.response.ResponsePartyInfoDto;
+import com.codingwasabi.trti.domain.party.model.response.ResponsePartyMemberListDto;
 
 public interface PartyService {
     ResponseCreatePartyDto create(Member member, RequestCreatePartyDto requestDto);
 
     ResponsePartyInfoDto getInfo(Member member, Long id);
+
+    ResponsePartyMemberListDto getMemberList(Member member, Long id);
 }

src/main/java/com/codingwasabi/trti/domain/party/implementation/PartyController.java

@@ -28,4 +28,11 @@ public ResponseEntity<?> getPartyInfo(@AuthenticationPrincipal MemberAdaptor mem
                                           @RequestParam(name = "id") Long id) {
         return ResponseEntity.ok(partyService.getInfo(memberAdaptor.getMember(), id));
     }
+
+    @Override
+    @GetMapping("/members")
+    public ResponseEntity<?> getPartyMemberList(@AuthenticationPrincipal MemberAdaptor memberAdaptor,
+                                                @RequestParam(name = "id") Long id) {
+        return ResponseEntity.ok(partyService.getMemberList(memberAdaptor.getMember(), id));
+    }
 }

src/main/java/com/codingwasabi/trti/domain/party/implementation/PartyServiceImpl.java

@@ -10,13 +10,16 @@
 import com.codingwasabi.trti.domain.party.model.Party;
 import com.codingwasabi.trti.domain.party.model.request.RequestCreatePartyDto;
 import com.codingwasabi.trti.domain.party.model.response.ResponseCreatePartyDto;
+import com.codingwasabi.trti.domain.party.model.response.ResponseMemberDto;
 import com.codingwasabi.trti.domain.party.model.response.ResponsePartyInfoDto;
+import com.codingwasabi.trti.domain.party.model.response.ResponsePartyMemberListDto;
 import com.codingwasabi.trti.domain.party.repository.PartyRepository;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
+import java.util.stream.Collectors;
 
 @Service
 @RequiredArgsConstructor
@@ -49,11 +52,30 @@ public ResponsePartyInfoDto getInfo(Member member, Long id) {
         Party party = partyRepository.findById(id)
                 .orElseThrow(() -> new IllegalArgumentException("[ERROR] 해당 id의 Party는 존재하지 않습니다."));
         ResponsePartyInfoDto responseDto = ResponsePartyInfoDto.from(party);
-        responseDto.setParticipantsCount( memberInPartyRepository.countByParty(party) );
+        responseDto.setParticipantsCount(memberInPartyRepository.countByParty(party));
 
         return responseDto;
     }
 
+    @Override
+    @Transactional(readOnly = true)
+    public ResponsePartyMemberListDto getMemberList(Member member, Long id) {
+        // 현재 로그인한 회원이 조회 권한이 있는지 확인 하는 검증 로직 구현해야함
+
+        // Error code 추가 해야함
+        Party party = partyRepository.findById(id)
+                .orElseThrow(() -> new IllegalArgumentException("[ERROR] 해당 id의 Party는 존재하지 않습니다."));
+
+        List<MemberInParty> memberList = memberInPartyRepository.findAllByParty(party);
+
+        return ResponsePartyMemberListDto.of(
+                memberList.size(),
+                memberList.stream()
+                        .map((memberInParty) -> ResponseMemberDto.from(memberInParty))
+                        .collect(Collectors.toList())
+        );
+    }
+
     private void setPartyCaptain(Member member, Party party) {
         party.setCaptain(member);
     }

src/main/java/com/codingwasabi/trti/domain/party/model/response/ResponseMemberDto.java

@@ -0,0 +1,21 @@
+package com.codingwasabi.trti.domain.party.model.response;
+
+import com.codingwasabi.trti.domain.memberInParty.model.MemberInParty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+@AllArgsConstructor
+public class ResponseMemberDto {
+    private String nickname;
+    private String imageUrl;
+
+    public static ResponseMemberDto from(MemberInParty memberInParty) {
+        return ResponseMemberDto.builder()
+                .nickname(memberInParty.getMember().getNickname())
+                .imageUrl(memberInParty.getMember().getImagePath())
+                .build();
+    }
+}

src/main/java/com/codingwasabi/trti/domain/party/model/response/ResponsePartyMemberListDto.java

@@ -0,0 +1,18 @@
+package com.codingwasabi.trti.domain.party.model.response;
+
+import com.codingwasabi.trti.domain.memberInParty.model.MemberInParty;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.util.List;
+
+@Getter
+@AllArgsConstructor
+public class ResponsePartyMemberListDto {
+    private Integer membersCount;
+    private List<ResponseMemberDto> members;
+
+    public static ResponsePartyMemberListDto of(int membersCount, List<ResponseMemberDto> members) {
+        return new ResponsePartyMemberListDto(membersCount, members);
+    }
+}