#1611 approve/denied disabled if denied

Author: jessicayzhao

src/backend/src/services/reimbursement-requests.services.ts

@@ -684,6 +684,10 @@ export default class ReimbursementRequestService {
       throw new HttpException(400, 'This reimbursement request has already been approved');
     }
 
+    if (reimbursementRequest.reimbursementStatuses.some((status) => status.type === ReimbursementStatusType.DENIED)) {
+      throw new HttpException(400, 'This reimbursement request has already been denied');
+    }
+
     const reimbursementStatus = await prisma.reimbursement_Status.create({
       data: {
         type: ReimbursementStatusType.SABO_SUBMITTED,

src/frontend/src/pages/FinancePage/ReimbursementRequestDetailPage/ReimbursementRequestDetailsView.tsx

@@ -253,7 +253,10 @@ const ReimbursementRequestDetailsView: React.FC<ReimbursementRequestDetailsViewP
       title: 'Approve',
       onClick: () => setShowSubmitToSaboModal(true),
       icon: <CheckIcon />,
-      disabled: !user.isFinance || isReimbursementRequestSaboSubmitted(reimbursementRequest)
+      disabled:
+        !user.isFinance ||
+        isReimbursementRequestSaboSubmitted(reimbursementRequest) ||
+        isReimbursementRequestDenied(reimbursementRequest)
     },
     {
       title: 'Deny',