# Filters added to this controller will be run for all controllers in the application.
# Likewise, all the methods added will be available for all controllers.
class ApplicationController < ActionController::Base
  include ApplicationHelper
 
  before_filter :check_authorization
  
  # Log a user in by authorization cookie if necessary.
  def check_authorization
    authorization_token = cookies[:authorization_token]
    if authorization_token and not logged_in?
      user = User.find_by_authorization_token(authorization_token)
      user.login!(session) if user
    end
  end
  
  # Return true if a parameter corresponding to the given symbol was posted.
  def param_posted?(sym)
    request.post? and params[sym]
  end
end