refactor (df/locale): groups module (#1263)

See: #1213

src/app/groups/groups-view/group-actions/edit-group-meeting-schedule/edit-group-meeting-schedule.component.ts

@@ -6,6 +6,7 @@ import { ActivatedRoute, Router } from '@angular/router';
 
 /** Custom Services */
 import { GroupsService } from 'app/groups/groups.service';
+import { SettingsService } from 'app/settings/settings.service';
 
 /**
  * Edit Group Meetings Schedule Component
@@ -39,12 +40,14 @@ export class EditGroupMeetingScheduleComponent implements OnInit {
    * @param {DatePipe} datePipe Date Pipe
    * @param {ActivatedRoute} route Activated Route
    * @param {Router} router Router
+   * @param {SettingsService} settingsService SettingsService
    */
   constructor(private formBuilder: FormBuilder,
               private groupsService: GroupsService,
               private datePipe: DatePipe,
               private route: ActivatedRoute,
-              private router: Router) {
+              private router: Router,
+              private settingsService: SettingsService) {
     this.route.data.subscribe((data: { groupActionData: any }) => {
       this.calendarTemplate = data.groupActionData;
       this.nextMeetingDates = this.calendarTemplate.nextTenRecurringDates;
@@ -72,8 +75,8 @@ export class EditGroupMeetingScheduleComponent implements OnInit {
    */
   submit() {
     // TODO: Update once language and date settings are setup
-    const locale = 'en';
-    const dateFormat = 'dd MMMM yyyy';
+    const locale = this.settingsService.language.code;
+    const dateFormat = this.settingsService.dateFormat;
     const reschedulebasedOnMeetingDates = true;
     const prevOldDate: Date = new Date(this.groupEditMeetingScheduleForm.value.presentMeetingDate);
     const prevNewDate: Date = this.groupEditMeetingScheduleForm.value.newMeetingDate;