fix: [Contracts] Delete file from S3 when the contract is deleted, in…

…validate query in FE

backend/src/modules/documents/repositories/document-signature.repository.ts

@@ -19,6 +19,10 @@ export class DocumentSignatureRepository {
     return signature.id;
   }
 
+  async delete(id: string): Promise<void> {
+    await this.signatureRepository.delete({ id });
+  }
+
   async findOne(
     options: FindOneSignatureOptions,
   ): Promise<DocumentSignatureEntity> {

backend/src/modules/documents/services/document-signature.facade.ts

@@ -11,4 +11,8 @@ export class DocumentSignatureFacade {
   async create(newSignature: CreateSignatureOptions): Promise<string> {
     return this.documentSignatureRepository.create(newSignature);
   }
+
+  async delete(id: string): Promise<void> {
+    return this.documentSignatureRepository.delete(id);
+  }
 }

backend/src/usecases/documents/new_contracts/delete-document-contract.usecase.ts

@@ -2,12 +2,15 @@ import { Injectable, Logger } from '@nestjs/common';
 import { JSONStringifyError } from 'src/common/helpers/utils';
 import { IUseCaseService } from 'src/common/interfaces/use-case-service.interface';
 import { ExceptionsService } from 'src/infrastructure/exceptions/exceptions.service';
+import { S3Service } from 'src/infrastructure/providers/s3/module/s3.service';
 import { ActionsArchiveFacade } from 'src/modules/actions-archive/actions-archive.facade';
 import { TrackedEventName } from 'src/modules/actions-archive/enums/action-resource-types.enum';
 import { DocumentContractStatus } from 'src/modules/documents/enums/contract-status.enum';
 import { ContractExceptionMessages } from 'src/modules/documents/exceptions/contract.exceptions';
 import { DocumentContractFacade } from 'src/modules/documents/services/document-contract.facade';
 import { IAdminUserModel } from 'src/modules/user/models/admin-user.model';
+import * as Sentry from '@sentry/nestjs';
+import { DocumentSignatureFacade } from 'src/modules/documents/services/document-signature.facade';
 
 @Injectable()
 export class DeleteDocumentContractUsecase implements IUseCaseService<string> {
@@ -16,6 +19,8 @@ export class DeleteDocumentContractUsecase implements IUseCaseService<string> {
     private readonly documentContractFacade: DocumentContractFacade,
     private readonly exceptionService: ExceptionsService,
     private readonly actionsArchiveFacade: ActionsArchiveFacade,
+    private readonly signatureService: DocumentSignatureFacade,
+    private readonly s3Service: S3Service,
   ) {}
 
   public async execute(id: string, admin: IAdminUserModel): Promise<void> {
@@ -53,6 +58,34 @@ export class DeleteDocumentContractUsecase implements IUseCaseService<string> {
         throw new Error('Could not delete contract from DB');
       }
 
+      // Delete file from S3
+      try {
+        if (contract.filePath) {
+          await this.s3Service.deleteFile(contract.filePath);
+        }
+      } catch (error) {
+        Sentry.captureException(error);
+        this.logger.error('Error deleting contract file from S3: ', error);
+      }
+
+      // Delete signatures
+      try {
+        if (contract.volunteerSignatureId) {
+          await this.signatureService.delete(contract.volunteerSignatureId);
+        }
+        if (contract.legalGuardianSignatureId) {
+          await this.signatureService.delete(contract.legalGuardianSignatureId);
+        }
+        if (contract.ngoLegalRepresentativeSignatureId) {
+          await this.signatureService.delete(
+            contract.ngoLegalRepresentativeSignatureId,
+          );
+        }
+      } catch (error) {
+        Sentry.captureException(error);
+        this.logger.error('Error while deleting contract signatures');
+      }
+
       // 10. Track event
       this.actionsArchiveFacade.trackEvent(
         TrackedEventName.DELETE_DOCUMENT_CONTRACT,

frontend/src/components/DocumentContractsTable.tsx

@@ -47,6 +47,7 @@ import ConfirmationModal from './ConfirmationModal';
 import { useErrorToast, useSuccessToast } from '../hooks/useToast';
 import { InternalErrors } from '../common/errors/internal-errors.class';
 import { ContractsStatistics } from './ContractsStatistics';
+import { useQueryClient } from 'react-query';
 
 interface StatusOption {
   key: string;
@@ -122,6 +123,8 @@ export interface DocumentContractsTableQueryProps extends IPaginationQueryParams
 type DocumentContractsTableBasicProps = IHOCQueryProps<DocumentContractsTableQueryProps>;
 
 const DocumentContractsTable = ({ query, setQuery }: DocumentContractsTableBasicProps) => {
+  const queryClient = useQueryClient();
+
   // selected contract id
   const [selectedContract, setSelectedContract] = useState<string>();
   const [selectedVolunteer, setSelectedVolunteer] = useState<ListItem>();
@@ -187,6 +190,7 @@ const DocumentContractsTable = ({ query, setQuery }: DocumentContractsTableBasic
         onSuccess: () => {
           useSuccessToast(t('contract.submit.delete'));
           setSelectedDeleteContract(null);
+          queryClient.invalidateQueries({ queryKey: ['contracts-statistics'] });
           refetch();
         },
         // eslint-disable-next-line @typescript-eslint/no-explicit-any