Step 7.32: Add chat options component

Author: dotansimha

src/pages/chats/chats-options.ts

@@ -0,0 +1,75 @@
+import { Component, Injectable } from '@angular/core';
+import { Alert, AlertController, NavController, ViewController } from 'ionic-angular';
+import { PhoneService } from '../../services/phone';
+import { LoginPage } from '../login/login';
+import { ProfilePage } from '../profile/profile';
+
+@Component({
+  selector: 'chats-options',
+  templateUrl: 'chats-options.html'
+})
+@Injectable()
+export class ChatsOptionsComponent {
+  constructor(
+    private alertCtrl: AlertController,
+    private navCtrl: NavController,
+    private phoneService: PhoneService,
+    private viewCtrl: ViewController
+  ) {}
+
+  editProfile(): void {
+    this.viewCtrl.dismiss().then(() => {
+      this.navCtrl.push(ProfilePage);
+    });
+  }
+
+  logout(): void {
+    const alert = this.alertCtrl.create({
+      title: 'Logout',
+      message: 'Are you sure you would like to proceed?',
+      buttons: [
+        {
+          text: 'Cancel',
+          role: 'cancel'
+        },
+        {
+          text: 'Yes',
+          handler: () => {
+            this.handleLogout(alert);
+            return false;
+          }
+        }
+      ]
+    });
+
+    this.viewCtrl.dismiss().then(() => {
+      alert.present();
+    });
+  }
+
+  handleLogout(alert: Alert): void {
+    alert.dismiss().then(() => {
+      return this.phoneService.logout();
+    })
+    .then(() => {
+      this.navCtrl.setRoot(LoginPage, {}, {
+        animate: true
+      });
+    })
+    .catch((e) => {
+      this.handleError(e);
+    });
+  }
+
+  handleError(e: Error): void {
+    console.error(e);
+
+    const alert = this.alertCtrl.create({
+      title: 'Oops!',
+      message: e.message,
+      buttons: ['OK']
+    });
+
+    alert.present();
+  }
+}