멘토링 신청 로직 변경

src/main/java/com/team/cklob/gami/domain/mentoring/repository/ApplyRepository.java

@@ -10,7 +10,7 @@
 
 public interface ApplyRepository extends JpaRepository<Apply, Long> {
 
-    Boolean existsByMenteeIdAndMentorIdAndApplyStatusIn(Long menteeId, Long mentorId, List<ApplyStatus> applyStatus);
+    Boolean existsByMenteeIdAndMentorIdAndApplyStatus(Long menteeId, Long mentorId, ApplyStatus applyStatus);
 
     @Query("SELECT a FROM Apply a JOIN FETCH a.mentor WHERE a.mentee.id = :menteeId AND a.applyStatus = :applyStatus ORDER BY a.createdAt DESC")
     List<Apply> findAllByMenteeIdAndApplyStatusWithMentor(@Param("menteeId") Long menteeId, @Param("applyStatus") ApplyStatus applyStatus);

src/main/java/com/team/cklob/gami/domain/mentoring/service/impl/MentoringApplyServiceImpl.java

@@ -41,7 +41,7 @@ public MentoringApplyResponse execute(Long mentorId) {
             throw new SelfApplyNotAllowedException();
         }
 
-        if (applyRepository.existsByMenteeIdAndMentorIdAndApplyStatusIn(mentee.getId(), mentor.getId(), List.of(ApplyStatus.PENDING, ApplyStatus.ACCEPTED))) {
+        if (applyRepository.existsByMenteeIdAndMentorIdAndApplyStatus(mentee.getId(), mentor.getId(), ApplyStatus.PENDING)) {
             throw new AlreadyRegisteredMentorException();
         }