[#7] FEAT: '본인/다른유저 프로필 조회 API'의 응답값에, 추천인 전화번호 추가

src/main/java/greenfirst/be/user/adapter/in/web/controller/GetUserDataController.java

@@ -147,10 +147,14 @@ public BaseResponse<UserProfileResponse> getMyProfile(@AuthenticationPrincipal C
 		// user 차량 번호 조회
 		String vehicleNumber = getUserDataService.getUserVehicleNumber(user.getUserUuid());
 
+		// 추천인 전화번호 조회
+		String referrerPhoneNumber = getUserDataService.getReferrerPhoneNumberByUserUuid(user.getUserUuid());
+
 		// mapping
 		UserProfileResponse response = modelMapper.map(user, UserProfileResponse.class)
 			.toBuilder()
 			.vehicleNumber(vehicleNumber)
+			.referrerPhoneNumber(referrerPhoneNumber)
 			.build();
 
 		// result
@@ -181,10 +185,14 @@ public BaseResponse<UserProfileResponse> getUserProfileByUuid(
 		// 유저 차량 번호 조회
 		String vehicleNumber = getUserDataService.getUserVehicleNumber(user.getUserUuid());
 
+		// 추천인 전화번호 조회
+		String referrerPhoneNumber = getUserDataService.getReferrerPhoneNumberByUserUuid(user.getUserUuid());
+
 		// mapping
 		UserProfileResponse response = modelMapper.map(user, UserProfileResponse.class)
 			.toBuilder()
 			.vehicleNumber(vehicleNumber)
+			.referrerPhoneNumber(referrerPhoneNumber)
 			.build();
 
 		// result

src/main/java/greenfirst/be/user/adapter/in/web/response/UserProfileResponse.java

@@ -20,11 +20,12 @@ public class UserProfileResponse {
 	private Long branchId;
 	private String branchName;
 	private String vehicleNumber;
+	private String referrerPhoneNumber;
 
 
 	@Builder(toBuilder = true)
 	public UserProfileResponse(String userName, String userPhoneNumber, String userLoginId, UserAddress userAddress, PartnerOption partnerOption, Long branchId, String branchName,
-		String vehicleNumber) {
+		String vehicleNumber, String referrerPhoneNumber) {
 		this.userName = userName;
 		this.userPhoneNumber = userPhoneNumber;
 		this.userLoginId = userLoginId;
@@ -33,6 +34,7 @@ public UserProfileResponse(String userName, String userPhoneNumber, String userL
 		this.branchId = branchId;
 		this.branchName = branchName;
 		this.vehicleNumber = vehicleNumber;
+		this.referrerPhoneNumber = referrerPhoneNumber;
 	}
 
 }

src/main/java/greenfirst/be/user/application/service/GetUserDataService.java

@@ -12,13 +12,15 @@
 import greenfirst.be.user.application.dto.out.WithdrawUserListOutDto;
 import greenfirst.be.user.application.port.out.repository.UserQueryRepository;
 import greenfirst.be.user.application.port.out.repository.UserVehicleQueryRepository;
+import greenfirst.be.user.domain.model.PartnerRelationship;
 import greenfirst.be.user.domain.model.Users;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.modelmapper.ModelMapper;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
+import java.util.Optional;
 import java.util.UUID;
 
 
@@ -30,6 +32,7 @@ public class GetUserDataService {
 	// port
 	private final UserQueryRepository userQueryRepository;
 	private final UserVehicleQueryRepository userVehicleQueryRepository;
+	private final GetPartnerRelationshipDataService getPartnerRelationshipDataService;
 	// util
 	private final ModelMapper modelMapper;
 
@@ -43,6 +46,7 @@ public class GetUserDataService {
 	 * 5. 유저 차량 번호 조회
 	 * 6. UUID 리스트로 유저 목록 조회
 	 * 7. (admin) 탈퇴 유저 목록 조회
+	 * 8. 유저 추천인 전화번호 조회
 	 */
 
 	// 1. 유저 uuid로 유저 조회
@@ -104,6 +108,7 @@ public List<Users> getUsersByUuidInList(List<UUID> uuidList) {
 		return userQueryRepository.getUsersByUuidInList(uuidList);
 	}
 
+
 	// 7. (admin) 탈퇴 유저 목록 조회
 	public WithdrawUserListOutDto getWithdrawUserList(GetWithdrawUserListInDto inDto) {
 
@@ -119,4 +124,29 @@ public WithdrawUserListOutDto getWithdrawUserList(GetWithdrawUserListInDto inDto
 		return userQueryRepository.getWithdrawUserList(inDto);
 	}
 
+
+	// 8. 유저 추천인 전화번호 조회
+	public String getReferrerPhoneNumberByUserUuid(UUID userUuid) {
+		if (userUuid == null) {
+			return null;
+		}
+
+		Optional<PartnerRelationship> relationshipOptional = getPartnerRelationshipDataService.getPartnerRelationshipDataOptional(userUuid);
+		if (relationshipOptional.isEmpty()) {
+			return null;
+		}
+
+		UUID referrerUuid = relationshipOptional.get().getReferrerUuid();
+		if (referrerUuid == null) {
+			return null;
+		}
+
+		List<Users> referrerCandidates = userQueryRepository.getUsersByUuidInList(List.of(referrerUuid));
+		if (referrerCandidates.isEmpty()) {
+			return null;
+		}
+
+		return referrerCandidates.get(0).getUserPhoneNumber();
+	}
+
 }

src/test/java/greenfirst/be/user/application/GetUserDataServiceUnitTest.java

@@ -8,7 +8,10 @@
 import greenfirst.be.user.application.dto.out.UserDataListOutDto;
 import greenfirst.be.user.application.dto.out.WithdrawUserListOutDto;
 import greenfirst.be.user.application.service.GetUserDataService;
+import greenfirst.be.user.application.service.GetPartnerRelationshipDataService;
+import greenfirst.be.user.domain.model.PartnerRelationship;
 import greenfirst.be.user.domain.model.Users;
+import greenfirst.be.users.fake.FakePartnerRelationshipQueryRepository;
 import greenfirst.be.users.fake.FakeUserQueryRepository;
 import greenfirst.be.users.fake.FakeUserVehicleQueryRepository;
 import greenfirst.be.users.fixture.UserTestFixture;
@@ -34,6 +37,7 @@ class GetUserDataServiceUnitTest {
 	private GetUserDataService getUserDataService;
 	private FakeUserQueryRepository fakeUserQueryRepository;
 	private FakeUserVehicleQueryRepository fakeUserVehicleQueryRepository;
+	private FakePartnerRelationshipQueryRepository fakePartnerRelationshipQueryRepository;
 	private ModelMapper modelMapper;
 
 
@@ -45,13 +49,23 @@ void setUp() {
 		fakeUserVehicleQueryRepository = new FakeUserVehicleQueryRepository();
 		fakeUserVehicleQueryRepository.clear(); // 각 테스트 전에 초기화
 
+		fakePartnerRelationshipQueryRepository = new FakePartnerRelationshipQueryRepository();
+		fakePartnerRelationshipQueryRepository.clear(); // 각 테스트 전에 초기화
+
 		// ModelMapper 설정
 		modelMapper = new ModelMapper();
 		modelMapper.getConfiguration()
 			.setFieldMatchingEnabled(true)
 			.setFieldAccessLevel(Configuration.AccessLevel.PRIVATE);
 
-		getUserDataService = new GetUserDataService(fakeUserQueryRepository, fakeUserVehicleQueryRepository, modelMapper);
+		GetPartnerRelationshipDataService getPartnerRelationshipDataService =
+			new GetPartnerRelationshipDataService(fakePartnerRelationshipQueryRepository);
+		getUserDataService = new GetUserDataService(
+			fakeUserQueryRepository,
+			fakeUserVehicleQueryRepository,
+			getPartnerRelationshipDataService,
+			modelMapper
+		);
 	}
 
 
@@ -567,4 +581,62 @@ void getWithdrawUserList_FilterByUserType_Success() {
 		}
 	}
 
+
+	@Nested
+	@DisplayName("추천인 전화번호 조회")
+	class GetReferrerPhoneNumberTest {
+
+		@Test
+		@DisplayName("관계 없음: null 반환")
+		void getReferrerPhoneNumber_noRelationship_returnsNull() {
+			// given
+			UUID partnerUuid = UUID.randomUUID();
+
+			// when
+			String result = getUserDataService.getReferrerPhoneNumberByUserUuid(partnerUuid);
+
+			// then
+			assertThat(result).isNull();
+		}
+
+
+		@Test
+		@DisplayName("추천인 UUID가 null인 관계: null 반환")
+		void getReferrerPhoneNumber_nullReferrer_returnsNull() {
+			// given
+			UUID partnerUuid = UUID.randomUUID();
+			fakePartnerRelationshipQueryRepository.save(PartnerRelationship.of(partnerUuid, null));
+
+			// when
+			String result = getUserDataService.getReferrerPhoneNumberByUserUuid(partnerUuid);
+
+			// then
+			assertThat(result).isNull();
+		}
+
+
+		@Test
+		@DisplayName("추천인 유저 존재: 추천인 전화번호 반환")
+		void getReferrerPhoneNumber_referrerExists_returnsPhoneNumber() {
+			// given
+			UUID partnerUuid = UUID.randomUUID();
+			UUID referrerUuid = UUID.randomUUID();
+			String referrerPhoneNumber = "010-9999-0000";
+
+			fakePartnerRelationshipQueryRepository.save(PartnerRelationship.of(partnerUuid, referrerUuid));
+
+			Users referrer = UserTestFixture.createPersonalPartner().toBuilder()
+				.userUuid(referrerUuid)
+				.userPhoneNumber(referrerPhoneNumber)
+				.build();
+			fakeUserQueryRepository.addUser(referrer);
+
+			// when
+			String result = getUserDataService.getReferrerPhoneNumberByUserUuid(partnerUuid);
+
+			// then
+			assertThat(result).isEqualTo(referrerPhoneNumber);
+		}
+	}
+
 }

src/test/java/greenfirst/be/user/application/facade/PartnerRelationshipFacadeUnitTest.java

@@ -54,6 +54,7 @@ void setUp() {
 		GetUserDataService getUserDataService = new GetUserDataService(
 			fakeUserQueryRepository,
 			fakeUserVehicleQueryRepository,
+			getPartnerRelationshipDataService,
 			new ModelMapper()
 		);
 		PartnerRelationshipAssembler partnerRelationshipAssembler = new PartnerRelationshipAssembler();