fix: GPA 상태 조회에 모학교명 반환

src/main/java/com/example/solidconnection/common/exception/ErrorCode.java

@@ -88,6 +88,7 @@ public enum ErrorCode {
     SCHOOL_EMAIL_CONFIRM_CODE_DIFFERENT(HttpStatus.BAD_REQUEST.value(), "인증 코드가 일치하지 않습니다."),
     SCHOOL_EMAIL_VERIFICATION_INFO_SAVE_FAILED(HttpStatus.INTERNAL_SERVER_ERROR.value(), "학교 이메일 인증 정보 저장에 실패했습니다."),
     SCHOOL_EMAIL_VERIFICATION_INFO_CORRUPTED(HttpStatus.INTERNAL_SERVER_ERROR.value(), "학교 이메일 인증 정보가 손상되었습니다. 인증 코드 발송을 다시 요청해주세요."),
+    SCHOOL_EMAIL_NOT_VERIFIED(HttpStatus.BAD_REQUEST.value(), "학교 이메일 인증이 필요합니다."),
 
     // s3
     S3_SERVICE_EXCEPTION(HttpStatus.BAD_REQUEST.value(), "S3 서비스 에러 발생"),

src/main/java/com/example/solidconnection/score/dto/GpaScoreStatusesResponse.java

@@ -3,10 +3,14 @@
 import java.util.List;
 
 public record GpaScoreStatusesResponse(
+        String homeUniversityName,
         List<GpaScoreStatusResponse> gpaScoreStatusResponseList
 ) {
 
-    public static GpaScoreStatusesResponse from(List<GpaScoreStatusResponse> gpaScoreStatusResponseList) {
-        return new GpaScoreStatusesResponse(gpaScoreStatusResponseList);
+    public static GpaScoreStatusesResponse of(
+            String homeUniversityName,
+            List<GpaScoreStatusResponse> gpaScoreStatusResponseList
+    ) {
+        return new GpaScoreStatusesResponse(homeUniversityName, gpaScoreStatusResponseList);
     }
 }

src/main/java/com/example/solidconnection/score/service/ScoreService.java

@@ -20,6 +20,7 @@
 import com.example.solidconnection.score.repository.LanguageTestScoreRepository;
 import com.example.solidconnection.siteuser.domain.SiteUser;
 import com.example.solidconnection.siteuser.repository.SiteUserRepository;
+import com.example.solidconnection.university.service.HomeUniversityQueryService;
 import java.util.List;
 import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
@@ -35,6 +36,7 @@ public class ScoreService {
     private final S3Service s3Service;
     private final LanguageTestScoreRepository languageTestScoreRepository;
     private final SiteUserRepository siteUserRepository;
+    private final HomeUniversityQueryService homeUniversityQueryService;
 
     @Transactional
     public Long submitGpaScore(long siteUserId, GpaScoreRequest gpaScoreRequest, MultipartFile file) {
@@ -63,13 +65,14 @@ public Long submitLanguageTestScore(long siteUserId, LanguageTestScoreRequest la
     public GpaScoreStatusesResponse getGpaScoreStatus(long siteUserId) {
         SiteUser siteUser = siteUserRepository.findById(siteUserId)
                 .orElseThrow(() -> new CustomException(USER_NOT_FOUND));
+        String homeUniversityName = homeUniversityQueryService.findNameByRequiredId(siteUser.getHomeUniversityId());
         List<GpaScoreStatusResponse> gpaScoreStatusResponseList =
                 gpaScoreRepository.findBySiteUserId(siteUser.getId())
                         .stream()
                         .map(GpaScoreStatusResponse::from)
                         .toList();
 
-        return GpaScoreStatusesResponse.from(gpaScoreStatusResponseList);
+        return GpaScoreStatusesResponse.of(homeUniversityName, gpaScoreStatusResponseList);
     }
 
     @Transactional(readOnly = true)

src/main/java/com/example/solidconnection/siteuser/service/MyPageService.java

@@ -25,10 +25,9 @@
 import com.example.solidconnection.siteuser.dto.PasswordUpdateRequest;
 import com.example.solidconnection.siteuser.repository.SiteUserRepository;
 import com.example.solidconnection.university.domain.HostUniversity;
-import com.example.solidconnection.university.domain.HomeUniversity;
 import com.example.solidconnection.university.repository.HostUniversityRepository;
-import com.example.solidconnection.university.repository.HomeUniversityRepository;
 import com.example.solidconnection.university.repository.LikedUnivApplyInfoRepository;
+import com.example.solidconnection.university.service.HomeUniversityQueryService;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.List;
@@ -51,7 +50,7 @@ public class MyPageService {
     private final CountryRepository countryRepository;
     private final MentorRepository mentorRepository;
     private final HostUniversityRepository hostUniversityRepository;
-    private final HomeUniversityRepository homeUniversityRepository;
+    private final HomeUniversityQueryService homeUniversityQueryService;
     private final S3Service s3Service;
     private final InterestedCountryService interestedCountryService;
     private final InterestedRegionService interestedRegionService;
@@ -67,7 +66,7 @@ public MyPageResponse getMyPageInfo(long siteUserId) {
 
         List<String> interestedCountries = null;
         String universityKoreanName = null;
-        String homeUniversityName = findHomeUniversityName(siteUser);
+        String homeUniversityName = homeUniversityQueryService.findNameByNullableId(siteUser.getHomeUniversityId());
         if (siteUser.getRole() == Role.MENTEE) {
             interestedCountries = countryRepository.findKoreanNamesBySiteUserId(siteUser.getId());
         } else if (siteUser.getRole() == Role.MENTOR) {
@@ -86,17 +85,6 @@ public MyPageResponse getMyPageInfo(long siteUserId) {
         );
     }
 
-    private String findHomeUniversityName(SiteUser siteUser) {
-        Long homeUniversityId = siteUser.getHomeUniversityId();
-        if (homeUniversityId == null) {
-            return null;
-        }
-
-        HomeUniversity homeUniversity = homeUniversityRepository.findById(homeUniversityId)
-                .orElseThrow(() -> new CustomException(UNIVERSITY_NOT_FOUND));
-        return homeUniversity.getName();
-    }
-
     /*
      * 마이페이지 정보를 수정한다.
      * */

src/main/java/com/example/solidconnection/university/service/HomeUniversityQueryService.java

@@ -0,0 +1,42 @@
+package com.example.solidconnection.university.service;
+
+import static com.example.solidconnection.common.exception.ErrorCode.SCHOOL_EMAIL_NOT_VERIFIED;
+import static com.example.solidconnection.common.exception.ErrorCode.UNIVERSITY_NOT_FOUND;
+
+import com.example.solidconnection.common.exception.CustomException;
+import com.example.solidconnection.university.domain.HomeUniversity;
+import com.example.solidconnection.university.repository.HomeUniversityRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class HomeUniversityQueryService {
+
+    private final HomeUniversityRepository homeUniversityRepository;
+
+    @Transactional(readOnly = true)
+    public String findNameByNullableId(Long homeUniversityId) {
+        if (homeUniversityId == null) {
+            return null;
+        }
+
+        return findNameById(homeUniversityId);
+    }
+
+    @Transactional(readOnly = true)
+    public String findNameByRequiredId(Long homeUniversityId) {
+        if (homeUniversityId == null) {
+            throw new CustomException(SCHOOL_EMAIL_NOT_VERIFIED);
+        }
+
+        return findNameById(homeUniversityId);
+    }
+
+    private String findNameById(Long homeUniversityId) {
+        HomeUniversity homeUniversity = homeUniversityRepository.findById(homeUniversityId)
+                .orElseThrow(() -> new CustomException(UNIVERSITY_NOT_FOUND));
+        return homeUniversity.getName();
+    }
+}

src/test/java/com/example/solidconnection/score/service/ScoreServiceTest.java

@@ -1,9 +1,11 @@
 package com.example.solidconnection.score.service;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.mockito.BDDMockito.given;
 
 import com.example.solidconnection.common.VerifyStatus;
+import com.example.solidconnection.common.exception.ErrorCode;
 import com.example.solidconnection.s3.domain.UploadPath;
 import com.example.solidconnection.s3.dto.UploadedFileUrlResponse;
 import com.example.solidconnection.s3.service.S3Service;
@@ -20,7 +22,9 @@
 import com.example.solidconnection.siteuser.domain.SiteUser;
 import com.example.solidconnection.siteuser.fixture.SiteUserFixture;
 import com.example.solidconnection.support.TestContainerSpringBootTest;
+import com.example.solidconnection.university.domain.HomeUniversity;
 import com.example.solidconnection.university.domain.LanguageTestType;
+import com.example.solidconnection.university.fixture.HomeUniversityFixture;
 import java.util.List;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
@@ -54,11 +58,16 @@ class ScoreServiceTest {
     @Autowired
     private LanguageTestScoreFixture languageTestScoreFixture;
 
+    @Autowired
+    private HomeUniversityFixture homeUniversityFixture;
+
+    private HomeUniversity homeUniversity;
     private SiteUser user;
 
     @BeforeEach
     void setUp() {
-        user = siteUserFixture.사용자();
+        homeUniversity = homeUniversityFixture.인하대학교();
+        user = siteUserFixture.국내_대학_정보_소지_사용자(homeUniversity.getId());
     }
 
     @Test
@@ -76,6 +85,15 @@ void setUp() {
         assertThat(response.gpaScoreStatusResponseList()).hasSize(scores.size());
     }
 
+    @Test
+    void GPA_점수_상태를_조회할_때_사용자의_모학교명을_반환한다() {
+        // when
+        GpaScoreStatusesResponse response = scoreService.getGpaScoreStatus(user.getId());
+
+        // then
+        assertThat(response.homeUniversityName()).isEqualTo(homeUniversity.getName());
+    }
+
     @Test
     void GPA_점수가_없는_경우_빈_리스트를_반환한다() {
         // when
@@ -85,6 +103,17 @@ void setUp() {
         assertThat(response.gpaScoreStatusResponseList()).isEmpty();
     }
 
+    @Test
+    void 모학교가_없는_사용자의_GPA_점수_상태를_조회하면_예외가_발생한다() {
+        // given
+        user = siteUserFixture.사용자();
+
+        // when
+        // then
+        assertThatThrownBy(() -> scoreService.getGpaScoreStatus(user.getId()))
+                .hasMessage(ErrorCode.SCHOOL_EMAIL_NOT_VERIFIED.getMessage());
+    }
+
     @Test
     void 어학_시험_점수_상태를_조회한다() {
         // given