added logout

Author: mkobar

src/pages/home/home.html

@@ -4,6 +4,8 @@
       My Bills
     </ion-title>
     <ion-buttons end>
+      <button ion-button color="danger" (click)="logoutNow()">Logout
+      </button>
       <button ion-button icon-only (click)="createBill()">
         <ion-icon name="add"></ion-icon>
       </button>
@@ -40,4 +42,4 @@ <h3>Total:
       </h3>
     </ion-item>
   </ion-list>
-</ion-content>
+</ion-content>

src/pages/home/home.ts

@@ -3,10 +3,13 @@ import {
   NavController,
   ActionSheet,
   ActionSheetController,
+  Loading,
+  LoadingController,
   Platform
 } from 'ionic-angular';
 import { Observable } from 'rxjs/Observable';
 import { BillProvider } from '../../providers/bill/bill';
+import { AuthProvider } from '../../providers/auth/auth';
 
 @Component({
   selector: 'page-home',
@@ -17,8 +20,10 @@ export class HomePage {
   constructor(
     public navCtrl: NavController,
     public actionCtrl: ActionSheetController,
+    public loadingCtrl: LoadingController,
     public platform: Platform,
-    public billProvider: BillProvider
+    public billProvider: BillProvider,
+    public authProvider: AuthProvider
   ) { }
 
   ionViewDidLoad() {
@@ -72,4 +77,21 @@ export class HomePage {
     action.present();
   }
 
+  logoutNow(): void {
+    this.authProvider.logoutUser().then(newUser => {
+      loading.dismiss().then(() => {
+        this.navCtrl.setRoot(LandingPage);
+      });
+    }).catch(error => {
+      loading.dismiss().then(() => {
+        console.error("logoutNow ",error);
+      });
+    });
+
+    const loading: Loading = this.loadingCtrl.create();
+    loading.present();
+
+    //this.navCtrl.push('LandingPage');
+  }
+
 }

src/pages/login/login.ts

@@ -55,7 +55,7 @@ export class LoginPage {
         error => {
           this.loading.dismiss().then(() => {
             const alert: Alert = this.alertCtrl.create({
-              message: error.message,
+              message: 'loginUser '+error.message,
               buttons: [
                 {
                   text: 'OK',