refactor (df/locale): savings module (#1259)

See: #1213

src/app/savings/savings-account-view/transactions/view-transaction/view-transaction.component.ts

@@ -6,6 +6,7 @@ import { DatePipe } from '@angular/common';
 
 /** Custom Services */
 import { SavingsService } from 'app/savings/savings.service';
+import { SettingsService } from 'app/settings/settings.service';
 
 /** Custom Dialogs */
 import { UndoTransactionDialogComponent } from '../../custom-dialogs/undo-transaction-dialog/undo-transaction-dialog.component';
@@ -31,12 +32,14 @@ export class ViewTransactionComponent {
    * @param {Router} router Router for navigation.
    * @param {MatDialog} dialog Dialog reference.
    * @param {DatePipe} datePipe DatePipe.
+   * @param {SettingsService} settingsService Setting service
    */
   constructor(private savingsService: SavingsService,
               private route: ActivatedRoute,
               private datePipe: DatePipe,
               private router: Router,
-              public dialog: MatDialog) {
+              public dialog: MatDialog,
+              private settingsService: SettingsService) {
     this.route.data.subscribe((data: { savingsAccountTransaction: any }) => {
       this.transactionData = data.savingsAccountTransaction;
     });
@@ -50,8 +53,8 @@ export class ViewTransactionComponent {
     const undoTransactionAccountDialogRef = this.dialog.open(UndoTransactionDialogComponent);
     undoTransactionAccountDialogRef.afterClosed().subscribe((response: any) => {
       if (response.confirm) {
-        const locale = 'en';
-        const dateFormat = 'dd MMMM yyyy';
+        const locale = this.settingsService.language.code;
+        const dateFormat = this.settingsService.dateFormat;
         const data = {
           transactionDate: this.datePipe.transform(this.transactionData.date && new Date(this.transactionData.date), dateFormat),
           transactionAmount: 0,