From 618280ccc84cc751ceeb996f277a37cb0418bd37 Mon Sep 17 00:00:00 2001 From: raulvejar Date: Tue, 4 Oct 2011 10:11:55 -0400 Subject: [PATCH] Facebook connect example --- app/FacebookConnect/connecting.erb | 3 + app/FacebookConnect/controller.rb | 117 ++++++++++++++++++ .../facebook_check_callback.erb | 3 + app/FacebookConnect/index.erb | 17 +++ app/index.erb | 7 +- 5 files changed, 146 insertions(+), 1 deletion(-) create mode 100644 app/FacebookConnect/connecting.erb create mode 100644 app/FacebookConnect/controller.rb create mode 100644 app/FacebookConnect/facebook_check_callback.erb create mode 100644 app/FacebookConnect/index.erb diff --git a/app/FacebookConnect/connecting.erb b/app/FacebookConnect/connecting.erb new file mode 100644 index 0000000..f6a53f4 --- /dev/null +++ b/app/FacebookConnect/connecting.erb @@ -0,0 +1,3 @@ +
+

Please wait while we connect back to facebook

+
\ No newline at end of file diff --git a/app/FacebookConnect/controller.rb b/app/FacebookConnect/controller.rb new file mode 100644 index 0000000..d621da4 --- /dev/null +++ b/app/FacebookConnect/controller.rb @@ -0,0 +1,117 @@ +require 'rho/rhocontroller' + +class FacebookConnectController < Rho::RhoController + + FB_API_ID = "121263761311760" + FB_API_SECRET = "4eb7f3fa2cb42737d0a8b26b4fc5abf9" + + FB_AUTH_URL = "https://www.facebook.com/dialog/oauth" + FB_GRAPH_URL = "https://graph.facebook.com" + + RHOMOBILE_FB_ID = "56638045891" + + RedirectServiceURL = "http://redirectme.to" + + def self.getRedirectURL(local_call_back_url) + callback_url = RedirectServiceURL + "/" + '127.0.0.1:' + System.get_property('rhodes_port').to_s + local_call_back_url + return callback_url + end + + def self.getFBAuthURL(local_call_back_url) + call_back_url = getRedirectURL(local_call_back_url) + #call_back_url goes unencoded since Facebook requires it to be like that, hence it goes at the end of the request + url = "#{FB_AUTH_URL}?display=touch&client_id=#{FB_API_ID}&scope=user_likes&redirect_uri=#{call_back_url}" + #url = "#{FB_AUTH_URL}?client_id=#{FB_API_ID}&scope=user_likes&redirect_uri=#{call_back_url}" + return url + end + + def self.getFBTokenURL(code, previous_call_back) + call_back_url = getRedirectURL(previous_call_back) #This is not going to be called by facebook, it is just to certify you have access to the token by providing the SAME URL that was given when requesting the token + #call_back_url goes unencoded since Facebook requires it to be like that, hence it goes at the end of the request + url = "#{FB_GRAPH_URL}/oauth/access_token?client_id=#{FB_API_ID}&client_secret=#{FB_API_SECRET}&code=#{code}&redirect_uri=#{call_back_url}" + return url + end + + def self.getFBCheckLikeURL(token) + url = "#{FB_GRAPH_URL}/me/likes/#{RHOMOBILE_FB_ID}?access_token=#{token}" + return url + end + + def index + + end + + def nothing + + return "{ }" #Empty json + end + + def connect_to_facebook + local_callback_url = url_for(:action => :facebook_callback) + url = FacebookConnectController.getFBAuthURL(local_callback_url) + + WebView.navigate(url) + end + + def facebook_callback + #This is to achieve the effect of the "connecting" page + token_result = Rho::AsyncHttp.get( + :url => 'http://127.0.0.1:' + System.get_property('rhodes_port').to_s + url_for(:action => :facebook_check, :query => {'code' => @params['code']}), + :callback => url_for(:action => :nothing) + ) + + redirect :action => :connecting + end + + def connecting + + end + + def facebook_check + code = @params['code'] + + token_url = FacebookConnectController.getFBTokenURL(code, url_for(:action => :facebook_callback)) + + #Since the "connecting" view is being displayed, we do the calls synchronously + token_result = Rho::AsyncHttp.get( + :url => token_url + ) + + if token_result['status'] == "ok" + token = token_result['body'].split('&')[0].split('=')[1] + likes_url = FacebookConnectController.getFBCheckLikeURL(token) + likes_result = Rho::AsyncHttp.get( + :url => likes_url + ) + if likes_result['status'] == "ok" + likes_data = Rho::JSON.parse(likes_result['body']) + if likes_data['data'].count > 0 + #Like case + WebView.navigate(url_for :action => :facebook_check_callback, :query => {'likes' => 'true'}) + return + else + #Don't like case + WebView.navigate(url_for :action => :facebook_check_callback, :query => {'likes' => 'false'}) + return + end + end + end + + Alert.show_popup( { + :message => "There was a problem contacting Facebook, please try again later.", + :title => 'Error contacting Facebook', + :icon => :error, + :buttons => ["OK"] } ) + WebView.navigate ( url_for :action => :index ) + end + + def facebook_check_callback + @message = nil + if @params['likes'].to_s == 'true' + @message = "You really like Rhomobile! Rock on!" + else + @message = "You don't like Rhomobile! Why?" + end + end + +end \ No newline at end of file diff --git a/app/FacebookConnect/facebook_check_callback.erb b/app/FacebookConnect/facebook_check_callback.erb new file mode 100644 index 0000000..689d480 --- /dev/null +++ b/app/FacebookConnect/facebook_check_callback.erb @@ -0,0 +1,3 @@ +
+

<%= @message %>

+
\ No newline at end of file diff --git a/app/FacebookConnect/index.erb b/app/FacebookConnect/index.erb new file mode 100644 index 0000000..4fbc7f8 --- /dev/null +++ b/app/FacebookConnect/index.erb @@ -0,0 +1,17 @@ +
+ +
+

This demo shows how to use the Facebook Connect APIs to integrate your Rhodes app with Facebook.

+

It will verify if you have liked the Rhomobile product page. See the controller code for the magic and comments on directions.

+
+ +
Visit the Rhomobile page
+ +
+
+ +
+ +
+ +
\ No newline at end of file diff --git a/app/index.erb b/app/index.erb index 6cf7ce4..c543445 100644 --- a/app/index.erb +++ b/app/index.erb @@ -174,7 +174,12 @@ Rhodes API tests
  • UI JQueryMobile Form Demo
  • Rexml test
  • Json test
    • - + + + +

    Facebook

    + <%= $mt_string %>