dev add check for change status

src/main/java/ru/soune/nocopy/service/violation/ViolationService.java

@@ -11,11 +11,14 @@ import org.springframework.transaction.annotation.Transactional;
 import ru.soune.nocopy.dto.file.YandexSearchResponse;
 import ru.soune.nocopy.dto.violation.FileViolationSummaryDTO;
 import ru.soune.nocopy.dto.violation.ViolationStatisticsResponse;
+import ru.soune.nocopy.entity.complaint.ComplaintEntity;
 import ru.soune.nocopy.entity.file.FileEntity;
 import ru.soune.nocopy.entity.search.GlobalSearchResult;
 import ru.soune.nocopy.entity.violation.Violation;
 import ru.soune.nocopy.repository.FileEntityRepository;
 import ru.soune.nocopy.repository.ViolationRepository;
+import ru.soune.nocopy.service.complaint.ComplaintEntityService;
+import ru.soune.nocopy.service.complaint.LawCaseService;
 import ru.soune.nocopy.service.file.FileEntityService;
 
 import java.time.LocalDateTime;
@@ -32,6 +35,10 @@ public class ViolationService {
 
     private final FileEntityService fileEntityService;
 
+    private final ComplaintEntityService complaintEntityService;
+
+    private final LawCaseService lawCaseService;
+
     public void processViolation(YandexSearchResponse.ImageResult imageResult, FileEntity file,
                                  GlobalSearchResult result) {
         String url = imageResult.getUrl();
@@ -170,6 +177,12 @@ public class ViolationService {
                         LinkedHashMap::new));
     }
 
+    public boolean validateChangeStatus(Long violationId) {
+        List<ComplaintEntity> complaintEntities = complaintEntityService.fetchComplaintByViolation(violationId);
+
+        return complaintEntities == null && lawCaseService.fetchByViolationId(violationId) == null;
+    }
+
     public ViolationStatisticsResponse getViolationStatistics(Long userId, String fileId,
                                                               LocalDateTime startDate, LocalDateTime endDate) {