Block undo Loan Interest Refund transaction

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

@@ -133,9 +133,10 @@ export class TransactionsTabComponent implements OnInit {
    * DOWN_PAYMENT:28
    * REAGE:29
    * REAMORTIZE:30
+   * INTEREST REFUND:33
    */
   showTransactions(transactionsData: LoanTransaction) {
-    if ([1, 2, 4, 9, 20, 21, 22, 23, 26, 28, 29, 30, 31].includes(transactionsData.type.id)) {
+    if ([1, 2, 4, 9, 20, 21, 22, 23, 26, 28, 29, 30, 31, 33].includes(transactionsData.type.id)) {
       this.router.navigate([transactionsData.id], { relativeTo: this.route });
     }
   }
@@ -144,7 +145,9 @@ export class TransactionsTabComponent implements OnInit {
     if (transaction.manuallyReversed) {
       return false;
     }
-    return !(transaction.type.disbursement || transaction.type.chargeoff || this.isReAgoeOrReAmortize(transaction.type) );
+    return !(transaction.type.disbursement || transaction.type.chargeoff || this.isReAgoeOrReAmortize(transaction.type)
+      || transaction.type.interestRefund
+     );
   }
 
   loanTransactionColor(transaction: LoanTransaction): string {

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

@@ -75,7 +75,7 @@ export class ViewTransactionComponent implements OnInit {
       this.transactionData = data.loansAccountTransaction;
       this.transactionType = this.transactionData.type;
       this.allowEdition = !this.transactionData.manuallyReversed && !this.allowTransactionEdition(this.transactionData.type.id);
-      this.allowUndo = !this.transactionData.manuallyReversed;
+      this.allowUndo = this.allowUndoTransaction(this.transactionData.manuallyReversed, this.transactionType);
       this.allowChargeback = this.allowChargebackTransaction(this.transactionType) && !this.transactionData.manuallyReversed;
       let transactionsChargebackRelated = false;
       if (this.transactionData.transactionRelations) {
@@ -128,6 +128,16 @@ export class ViewTransactionComponent implements OnInit {
       || transactionType.merchantIssuedRefund || transactionType.downPayment);
   }
 
+  allowUndoTransaction(manuallyReversed: boolean, transactionType: LoanTransactionType): boolean {
+    if (manuallyReversed) {
+      return false;
+    }
+    if (transactionType.interestRefund) {
+      return false;
+    }
+    return true;
+  }
+
   /**
    * Undo the loans transaction
    */