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

See: #1213

src/app/savings/savings-account-view/standing-instructions-tab/standing-instructions-tab.component.ts

@@ -7,6 +7,7 @@ import { ActivatedRoute } from '@angular/router';
 /** Custom Services */
 import { SavingsService } from 'app/savings/savings.service';
 import { AccountTransfersService } from 'app/account-transfers/account-transfers.service';
+import { SettingsService } from 'app/settings/settings.service';
 
 /** Dialog Components */
 import { DeleteDialogComponent } from 'app/shared/delete-dialog/delete-dialog.component';
@@ -44,11 +45,13 @@ export class StandingInstructionsTabComponent implements OnInit {
   /**
    * Retrieves Savings Account Data from `resolve`.
    * @param {ActivatedRoute} route Activated Route.
+   * @param {SettingsService} settingsService Setting service
    */
   constructor(private route: ActivatedRoute,
               private savingsService: SavingsService,
               private dialog: MatDialog,
-              private accountTransfersService: AccountTransfersService) {
+              private accountTransfersService: AccountTransfersService,
+              private settingsService: SettingsService) {
     this.route.parent.data.subscribe((data: { savingsAccountData: any }) => {
       this.savingsData = data.savingsAccountData;
     });
@@ -65,8 +68,8 @@ export class StandingInstructionsTabComponent implements OnInit {
     const clientId = this.savingsData.clientId;
     const clientName = this.savingsData.clientName;
     const accountId = this.savingsData.id;
-    const locale = 'en';
-    const dateFormat = 'dd MMMM yyyy';
+    const locale = this.settingsService.language.code;
+    const dateFormat = this.settingsService.dateFormat;
     this.savingsService.getStandingInstructions(clientId, clientName, accountId, locale, dateFormat).subscribe((response: any) => {
       this.instructionsData = response.pageItems;
       this.dataSource.data = this.instructionsData;