Read e-book online Developing Facebook Platform Applications with Rails PDF

By Michael J. Mangino

ISBN-10: 1934356123

ISBN-13: 9781934356128

constructing fb Platform purposes with Rails leads you thru the stairs essential to construct your first software. you will get hands-on event with fb applied sciences equivalent to FBML and FQL, and grasp messaging and information feeds.

you are going to do greater than simply research the fb API-you'll get sensible suggestions from an skilled fb developer. we are going to disguise complicated strategies akin to AJAX and asynchronous messaging, and you may see tips to diminish improvement time with facebooker, the best Ruby library for fb Platform improvement.

jointly, we will construct Karate Poke, a true fb Platform software, from configuration to deployment. you will get deep into fb requests correct off the bat. From there, you will construct the middle of Karate Poke after which get a close examine the fb canvas and social positive aspects. we will end by means of taking a look at complicated beneficial properties and information for dealing with hundreds of thousands of clients.

constructing for the fb Platform can look like a distinct international before everything. constructing fb Platform functions with Rails is your travel guide.

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Example text

Next, we call secure_with! on line 7. secure_with! is used to associate a session key with a Facebooker::Session object. 1: Moves include both a name and an image. I told you that was a complicated method. Now that we’ve written it, we can access the Facebook sessions of our users. That means we can make Facebook API calls from inside our models. Before we do that, we’ll need to visit our application in a web browser to set our session key. After doing that, let’s move on to the rest of our model.

Com A TTACK ! Along with the fields we specified, Rails added the timestamp fields. That’s a good thing since we’ll want to use created_at to show the order of attacks. After running that migration, we can set up the associations for our Attack model. We’ll need an association for the attacking user as well as one for the defending user. Remember to include both the class_name and foreign_key parameters. rb belongs_to :attacking_user, :class_name=>"User" , :foreign_key=>:attacking_user_id belongs_to :defending_user, :class_name=>"User" , :foreign_key=>:defending_user_id belongs_to :move That takes care of the Attack associations.

Just as importantly, they let our application verify that requests are coming from Facebook. It sounds odd that we need to verify that requests come from Facebook. 1, The Details of Facebook Signatures, on the following page. com/mmangino/facebooker/tree/master. org. 2. cz/#download. 3. zip format. 1. Com C REATING A F ACEBOOK R AILS A PPLICATION The next line tells Facebooker what to use for our application’s canvas path. 4, Configuring Our New Facebook Application, on page 30. Facebooker will automatically include our canvas path in all our application’s links.

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Developing Facebook Platform Applications with Rails by Michael J. Mangino

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