Reverted transaction cannot be undone

src/app/loans/loans-view/transactions/view-transaction/view-transaction.component.html

@@ -5,7 +5,7 @@
       <fa-icon icon="edit"></fa-icon>&nbsp;&nbsp;Edit
     </button>
 
-    <button mat-raised-button color="warn" (click)="undoTransaction()">
+    <button mat-raised-button color="warn" (click)="undoTransaction()" *ngIf="allowUndo">
       <fa-icon icon="undo"></fa-icon>&nbsp;&nbsp;Undo
     </button>
   </span>

src/app/loans/loans-view/transactions/view-transaction/view-transaction.component.ts

@@ -26,6 +26,8 @@ export class ViewTransactionComponent {
   transactionData: any;
   /** Is Editable */
   allowEdition = true;
+   /** Is Undoable */
+   allowUndo = true;
 
   /**
    * Retrieves the Transaction data from `resolve`.
@@ -46,6 +48,7 @@ export class ViewTransactionComponent {
       this.transactionData = data.loansAccountTransaction;
       this.allowEdition = !this.transactionData.manuallyReversed && !(this.transactionData.type.id === 20 || this.transactionData.type.id === 21 || this.transactionData.type.id === 22
         || this.transactionData.type.id === 23);
+      this.allowUndo = !this.transactionData.manuallyReversed;
     });
   }