(refactor) locationActions: add timestamp for utility bills proof of payment upload

app/lib/actions/locationActions.ts

@@ -658,7 +658,10 @@ export const uploadUtilBillsProofOfPayment = async (locationID: string, formData
         await dbClient.collection<BillingLocation>("lokacije")
             .updateOne(
                 { _id: locationID },
-                { $set: { utilBillsProofOfPaymentAttachment: attachment } }
+                { $set: {
+                    utilBillsProofOfPaymentAttachment: attachment,
+                    utilBillsProofOfPaymentUploadedAt: new Date()
+                } }
             );
 
         return { success: true };

app/lib/db-types.ts

@@ -71,6 +71,8 @@ export interface BillingLocation {
     seenByTenant?: boolean | null;
     /** (optional) utility bills proof of payment attachment */
     utilBillsProofOfPaymentAttachment?: BillAttachment|null;
+    /** (optional) date when utility bills proof of payment was uploaded */
+    utilBillsProofOfPaymentUploadedAt?: Date|null;
 };
 
 export enum BilledTo {