vrfs152: added dynamic fetching of facebook invited_user signup url

web/app/assets/javascripts/invitationDialog.js

@@ -6,6 +6,7 @@
         var rest = context.JK.Rest();
         var waitForUserToStopTypingTimer;
         var sendingEmail = false;
+        var fbInviteURL_ = null;
 
         function trackMetrics(emails, googleInviteCount) {
             var allInvitations = emails.length; // all email invites, regardless of how they got in the form
@@ -185,15 +186,31 @@
             }, {scope:'publish_stream'});
         }
 
+        function fbInviteURL() {
+            if (fbInviteURL_ === null) {
+                $.ajax({
+                    type: "GET",
+                    async: false,
+                    url: '/api/invited_users/facebook',
+                    success: function(response) {
+                        fbInviteURL_ = response['signup_url'];
+                    },
+                    error: app.ajaxError
+                });
+            }
+            return fbInviteURL_;
+        }
+
         function show_feed_dialog() {
             var obj = {
                 method: 'feed',
-                redirect_uri: 'http://jamkazamdev.local:3000/',
-                link: 'https://developers.facebook.com/docs/reference/dialogs/',
-                picture: 'http://fbrell.com/f8.jpg',
-                name: 'Facebook Dialogs',
-                caption: 'Reference Documentation',
-                description: 'Using Dialogs to interact with users.'
+                // redirect_uri: 'http://jamkazamdev.local:3000/',
+                link: fbInviteURL(), //'https://developers.facebook.com/docs/reference/dialogs/'
+                picture: 'http://jamkazam.com/assets/logo.png',
+                name: 'Join me on JamKazam',
+                caption: 'Play live music in real-time sessions with others over the Internet, as if in the same room.',
+                description: '',
+                actions: [{ name: 'Signup', link: fbInviteURL() }]
             };
             function fbFeedDialogCallback(response) {
                 console.log("feedback dialog closed: " + response['post_id'])

web/app/controllers/api_invited_users_controller.rb

@@ -10,7 +10,11 @@ class ApiInvitedUsersController < ApiController
   end
 
   def show
-    @invited_user = InvitedUser.find(params[:id])
+    if 'facebook' == params[:id]
+      @invited_user = current_user.facebook_invite!
+    else
+      @invited_user = InvitedUser.find(params[:id])
+    end
   end
 
   def create

web/app/views/api_invited_users/invited_user.rabl

@@ -1,3 +1,4 @@
 object @invited_user
 
-attributes :id, :created_at, :updated_at, :email, :note, :accepted
+attributes :id, :created_at, :updated_at, :email, :note, :accepted
+

web/app/views/api_invited_users/show.rabl

@@ -1,3 +1,5 @@
 object @invited_user
 
 extends "api_invited_users/invited_user"
+
+node :signup_url do @invited_user.generate_signup_url end