improve devices page

static/scripts/app/models/device.js

@@ -1,10 +1,36 @@
 define([
     'underscore',
-    'backbone'
-], function(_, Backbone) {
+    'backbone',
+    'common',
+], function(_, Backbone, Common) {
     'use strict';
 
-    var Device = Backbone.Model.extend({});
+    var Device = Backbone.Model.extend({
+        unlink: function(options) {
+            var data = {
+                'platform': this.get('platform'),
+                'device_id': this.get('device_id')
+            };
+
+            $.ajax({
+                url: Common.getUrl({name: 'devices'}),
+                type: 'DELETE',
+                dataType: 'json',
+                beforeSend: Common.prepareCSRFToken,
+                data: data,
+                success: function() {
+                    if (options.success) {
+                        options.success();
+                    }
+                },
+                error: function(xhr) {
+                    if (options.error) {
+                        options.error(xhr);
+                    }
+                }
+            });
+        },
+    });
 
     return Device;
 });