hotfix: getlocationId 예외처리 구문 추가

Author: GEISHAz

src/main/java/com/example/springserver/domain/center/service/RecruitService.java

@@ -9,10 +9,7 @@
 import com.example.springserver.domain.center.entity.RecruitTime;
 import com.example.springserver.domain.center.repository.*;
 import com.example.springserver.domain.location.entity.Location;
-import com.example.springserver.global.apiPayload.format.CenterException;
-import com.example.springserver.global.apiPayload.format.ElderException;
-import com.example.springserver.global.apiPayload.format.ErrorCode;
-import com.example.springserver.global.apiPayload.format.RecruitException;
+import com.example.springserver.global.apiPayload.format.*;
 import com.example.springserver.global.validation.validator.RecruitLaborLawValidator;
 import com.example.springserver.repository.location.LocationRepository;
 import lombok.RequiredArgsConstructor;
@@ -84,7 +81,8 @@ public void deleteRecruitCondition(Long centerId, Long elderId, Long recruitCond
     }
 
     private RecruitCondition saveOrUpdateRecruitCondition(Long recruitConditionId, Elder elder, RequestDto requestDto) {
-        Location location = locationRepository.findByLocationId(requestDto.getRecruitLocation());
+        Location location = locationRepository.findByLocationId(requestDto.getRecruitLocation())
+                .orElseThrow(()-> new GlobalException(ErrorCode.LOCATION_NOT_FOUND));
         RecruitCondition recruitCondition;
 
         if (recruitConditionId == null) { // create

src/main/java/com/example/springserver/repository/location/LocationRepository.java

@@ -4,8 +4,9 @@
 import org.springframework.data.jpa.repository.JpaRepository;
 
 import java.util.List;
+import java.util.Optional;
 
 public interface LocationRepository extends JpaRepository<Location,Long> {
-    Location findByLocationId(Long locationId);
+    Optional<Location> findByLocationId(Long locationId);
     List<Location> findAllBySigunguId(Long sigunguId);
 }