dev check violation for lawcase,complaint

src/main/java/ru/soune/nocopy/handler/ComplaintEntityHandler.java

@@ -90,14 +90,20 @@ public class ComplaintEntityHandler implements RequestHandler {
                 "violation_id is required");
         if (req.getComplaintText() == null) return errorResponse(msgId, MessageCode.NOT_FOUND.getCode(),
                 "text is required");
+        Long violationId = req.getViolationId();
 
-        Violation violation = violationRepository.findById(req.getViolationId()).orElse(null);
+        Violation violation = violationRepository.findById(violationId).orElse(null);
 
         if (violation == null || !Objects.equals(violation.getFileEntity().getUserId(), userId)) {
             return errorResponse(msgId, MessageCode.USER_NOT_HAD_PERMISSION.getCode(),
                     MessageCode.USER_NOT_HAD_PERMISSION.getDescription());
         }
 
+        if (violationRepository.existsViolation(violationId)) {
+            return errorResponse(msgId, MessageCode.COMPLAINT_ALREADY_EXIST.getCode(),
+                    MessageCode.COMPLAINT_ALREADY_EXIST.getDescription());
+        }
+
         ComplaintResponse response = complaintService.createComplaint(req);
 
         return successResponse(msgId, "Complaint created successfully", response);

src/main/java/ru/soune/nocopy/handler/LawCaseHandler.java

@@ -162,6 +162,12 @@ public class LawCaseHandler implements RequestHandler {
 
     private BaseResponse createLawCase(Long userId, LawCaseRequest lawCaseRequest, BaseRequest request) {
         validateRequiredParameters(lawCaseRequest, request, userId);
+        Long violationId = lawCaseRequest.getViolationId();
+
+        if (lawCaseService.lawCaseExistByViolationId(violationId)) {
+            return new BaseResponse(request.getMsgId(), MessageCode.LAW_CASE_ALREADY_EXIST.getCode(),
+                    MessageCode.LAW_CASE_ALREADY_EXIST.getDescription(), "Law case was already exists");
+        }
 
         try {
             tariffInfoService.writeOffTokens(userId, TariffConstants.LEGAL_COST, OperationType.CREATE_LEGAL_CASE);
@@ -175,7 +181,6 @@ public class LawCaseHandler implements RequestHandler {
         }
 
         User user = userRepository.findById(userId).orElseThrow(() -> new UserNotFoundException("User not found"));
-        Long violationId = lawCaseRequest.getViolationId();
 
         LawCase lawCase = lawCaseService.addLawCase(
                 lawCaseRequest.getAmount(),