Use case diagram

Login

The system requires the Facebook authentication of the user in order to function. For this reason when the user accesses the page is redirected to Facebook web page to provide his/her credentials and then, is redirected back to the main page of the application. The authentication “dance” between the client and Facebook is shown in the following image.

Login Sequence diagram

Check In

In the check in use case the user selects the place he wants to check in, the movie he watched and the friends he watched the movie with. The system finds the trailer of the movie selected and posts the check in information both to Facebook and Twitter. Read the rest of this entry »