Fixed notification permission prompt (publiclab#6003)

* Fixed notification permission prompt

* Minor Change

* Moved notification prompt code from application.js to cable.js

app/assets/javascripts/application.js

@@ -55,4 +55,4 @@
 //= require header_footer.js
 //= require keybindings.js
 //= require realtime_username_validation.js
-//= require cable.js
+//= require cable.js

app/assets/javascripts/cable.js

@@ -11,3 +11,11 @@
   App.cable = ActionCable.createConsumer();
 
 }).call(this);
+
+// To get notification permission
+Notification.requestPermission().then(function (permission) {
+    // If the user accepts, let's create a notification
+    if (permission === "granted") {
+        console.log("Permission Granted");
+    }
+});

app/assets/javascripts/channels/user_notification.js

@@ -11,21 +11,12 @@ App.room = App.cable.subscriptions.create('UserNotificationChannel',{
         }
         // Let's check whether notification permissions have already been granted
         else if (Notification.permission === "granted") {
-            console.log(notification);
             // If it's okay let's create a notification
            var notification = new Notification(data.notification.title, data.notification.option);
            notification.onclick = function(event) {
                 event.preventDefault(); // prevent the browser from focusing the Notification's tab
                 window.open(data.notification.path, '_blank');
             }
         }
-        else if (Notification.permission == "denied") {
-            Notification.requestPermission().then(function (permission) {
-                // If the user accepts, let's create a notification
-                if (permission === "granted") {
-                    new Notification(notification.title, notification.option);
-                }
-            });
-        }
     }
 });