FB logout integration

src/app/components/facebook-login/facebook-login.component.ts

@@ -31,12 +31,7 @@ export class FacebookLoginComponent implements OnInit {
     }
 
     ngAfterViewInit() {
-        if (localStorage.getItem('FBUser') && localStorage.getItem('FBToken')) {
-            this.user = JSON.parse(localStorage.getItem('FBUser'));
-            this.token = localStorage.getItem('FBToken');
-        } else {
-            this.setupFbLogin();
-        }
+        this.setupFbLogin();        
     }
 
     ngOnInit() {
@@ -48,9 +43,15 @@ export class FacebookLoginComponent implements OnInit {
             // Use the native implementation inside a real app!
             const { FacebookLogin } = Plugins;
             this.fbLogin = FacebookLogin;
+
+            if (localStorage.getItem('FBUser') && localStorage.getItem('FBToken')) {
+                this.user = JSON.parse(localStorage.getItem('FBUser'));
+                this.getCurrentToken();
+            }
+
         } else {
             this.hideAll = true;
-        }
+        }        
     }
 
     async login() {
@@ -73,7 +74,7 @@ export class FacebookLoginComponent implements OnInit {
         }
     }
 
-    async getCurrentToken() {    
+    async getCurrentToken() {
         const result = await this.fbLogin.getCurrentAccessToken();
         
         if (result.accessToken) {
@@ -91,12 +92,16 @@ export class FacebookLoginComponent implements OnInit {
         this.http.get(url).subscribe(res => {
             this.user = res;
             localStorage.setItem('FBUser', JSON.stringify(res));
-        }, err => {
+        }, (err) => {
+            console.log(JSON.stringify(err));
             alert("Falied to fetch user data");
         });
     }
         
     async logout() {
+        await this.fbLogin.logout().then(() => {
+            console.log("Logged Out");
+        }, (err) => alert(JSON.stringify(err)));
         this.user = null;
         this.token = null;
         localStorage.removeItem('FBUser');