[EA3-168] feature: 신청서 조회 시 isRead 변경 로직 추가

Author: pia01190

src/main/java/grep/neogulcoder/domain/studyapplication/repository/ApplicationRepository.java

@@ -2,6 +2,9 @@
 
 import grep.neogulcoder.domain.studyapplication.StudyApplication;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 
 import java.util.List;
 import java.util.Optional;
@@ -12,4 +15,8 @@ public interface ApplicationRepository extends JpaRepository<StudyApplication, L
     boolean existsByRecruitmentPostIdAndUserId(Long recruitmentPostId, Long userId);
 
     Optional<StudyApplication> findByIdAndActivatedTrue(Long applicationId);
+
+    @Modifying(clearAutomatically = true)
+    @Query("update StudyApplication sa set sa.isRead = true where sa.recruitmentPostId = :recruitmentPostId and sa.isRead = false")
+    void markAllAsReadByRecruitmentPostId(@Param("recruitmentPostId") Long recruitmentPostId);
 }

src/main/java/grep/neogulcoder/domain/studyapplication/service/ApplicationService.java

@@ -40,10 +40,12 @@ public class ApplicationService {
     private final StudyMemberRepository studyMemberRepository;
     private final StudyRepository studyRepository;
 
+    @Transactional
     public ReceivedApplicationPagingResponse getReceivedApplicationsPaging(Long recruitmentPostId, Pageable pageable, Long userId) {
         RecruitmentPost recruitmentPost = findValidRecruitmentPost(recruitmentPostId);
 
         validateOwner(userId, recruitmentPost);
+        applicationRepository.markAllAsReadByRecruitmentPostId(recruitmentPostId);
 
         Page<ReceivedApplicationResponse> page = applicationQueryRepository.findReceivedApplicationsPaging(recruitmentPostId, pageable);
         return ReceivedApplicationPagingResponse.of(page);