How to check the facebook application permission for specific user through graph api in rails?

Question

I want to check whether the user has give publish_stream permission to my application or not. If not want to get publish_stream permission.

Answer 1

if you are using the Koala Gem just use:

#check wether wallpost is allowed
permissions = graph.get_connections('me','permissions')
@has_wallpost_permission = permissions.select{|o| o['permission'] == 'manage_pages'}.length == 1