Fix issue with users signing up and not subscribing to push notifications.

app/app.component.ts

@@ -3,7 +3,7 @@ import { NavigationEnd, NavigationStart } from '@angular/router';
 import { RouterExtensions } from 'nativescript-angular/router';
 import { Page } from 'ui/page';
 import { utilities } from './shared';
-import { FilesService } from './services';
+import { FilesService, UsersService, PushNotificationsService } from './services';
 
 @Component({
     moduleId: module.id,
@@ -16,6 +16,8 @@ export class AppComponent implements OnInit {
     constructor(
         private _page: Page,
         private _filesService: FilesService,
+        private _usersService: UsersService,
+        private _push: PushNotificationsService,
         private _routerExtensions: RouterExtensions
     ) {}
 
@@ -30,5 +32,10 @@ export class AppComponent implements OnInit {
         });
         this._filesService.emptyAppTempFolder();
             // .catch(err => console.log('err while emptying: ' + JSON.stringify(err)));
+        this._usersService.currentUser().then(user => {
+            if (user) {
+                this._push.subscribe().catch(err => err); // ignore errors
+            }
+        });
     }
 }

app/services/push-notifications.service.ts

@@ -24,7 +24,7 @@ export class PushNotificationsService {
         // this._alertsService.showSuccess('got push' + JSON.stringify(args));
     }
 
-    subscribe(userId: string) {
+    subscribe() {
         let pushRegSettings = {
             iOS: { badge: true, sound: true, alert: true },
             android: { senderID: constants.androidProjNumber },

app/users/login/login.component.ts

@@ -46,11 +46,7 @@ export class LoginComponent implements OnInit {
     }
 
     login() {
-        this._usersService.login(this.user.Username, this.user.Password)
-            .then((loginResult) => {
-                this._push.subscribe(loginResult.result.principal_id).catch(err => err);
-                this._goToEvents();
-            })
+        this._logInUser(this.user.Username, this.user.Password)
             .catch((e) => {
                 this._alertsService.showError(e && e.message);
             });
@@ -65,17 +61,11 @@ export class LoginComponent implements OnInit {
         if (errMsg) {
             return this._alertsService.showError(errMsg);
         }
-        let registeredUserId: string;
 
         this._usersService.register(this.user.Username, this.user.Password, this.user.DisplayName)
             .then((res) => {
                 this._alertsService.showSuccess('Welcome to TeamUP!');
-                registeredUserId = res.result.Id;
-                return this._usersService.login(this.user.Username, this.user.Password);
-            })
-            .then(() => {
-                this._push.subscribe(registeredUserId).catch(err => err);
-                this._goToEvents();
+                return this._logInUser(this.user.Username, this.user.Password);
             })
             .catch((err) => {
                 if (err) {
@@ -106,4 +96,12 @@ export class LoginComponent implements OnInit {
         let transition = utilities.getPageTransition();
         this._routerExtensions.navigate(['events'], { clearHistory: true, transition });
     }
+
+    private _logInUser(username: string, password: string) {
+        return this._usersService.login(this.user.Username, this.user.Password)
+            .then(() => {
+                this._push.subscribe().catch(e => e); // ignore errors
+                this._goToEvents();
+            });
+    }
 }