Class: ActionController::UrlRewriter

Inherits:
Object
  • Object
show all
Includes:
Facebooker::Rails::BackwardsCompatibleParamChecks
Defined in:
lib/facebooker/rails/facebook_url_rewriting.rb

Instance Method Summary collapse

Methods included from Facebooker::Rails::BackwardsCompatibleParamChecks

#one_or_true, #zero_or_false

Instance Method Details

#can_safely_access_request_parameters? ⇒ Boolean

rails blindly tries to merge things that may be nil into the parameters. Make sure this won’t break

Returns:

  • (Boolean) 


42
43
44
 
# File 'lib/facebooker/rails/facebook_url_rewriting.rb', line 42

def can_safely_access_request_parameters?
  @request.request_parameters
end

#link_to_canvas?(params, options) ⇒ Boolean

Returns:

  • (Boolean) 


35
36
37
38
39
 
# File 'lib/facebooker/rails/facebook_url_rewriting.rb', line 35

def link_to_canvas?(params, options)
  option_override = options[:canvas]
  return false if option_override == false # important to check for false. nil should use default behavior
  option_override || (can_safely_access_request_parameters? && (one_or_true(@request.parameters["fb_sig_in_canvas"]) || one_or_true(@request.parameters[:fb_sig_in_canvas]) || one_or_true(@request.parameters["fb_sig_is_ajax"]) ))
end

#link_to_new_canvas? ⇒ Boolean

Returns:

  • (Boolean) 


31
32
33
 
# File 'lib/facebooker/rails/facebook_url_rewriting.rb', line 31

def link_to_new_canvas?
  one_or_true @request.parameters["fb_sig_in_new_facebook"]
end

#rewrite_url_with_facebooker(*args) ⇒ Object 



46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/facebooker/rails/facebook_url_rewriting.rb', line 46

def rewrite_url_with_facebooker(*args)
  options = args.first.is_a?(Hash) ? args.first : args.last
  is_link_to_canvas = link_to_canvas?(@request.request_parameters, options)
  if is_link_to_canvas && !options.has_key?(:host)
    options[:host] = Facebooker.canvas_server_base
  end 
  options.delete(:canvas)
  Facebooker.request_for_canvas(is_link_to_canvas) do
    rewrite_url_without_facebooker(*args)
  end
end