instance method
helper_method
Ruby on Rails 2.2.3
Last seen in v2.3.18Available in: v2.2.3 v2.3.18
Signature
helper_method(*methods)Declare a controller method as a helper. For example, the following makes the current_user controller method available to the view:
class ApplicationController < ActionController::Base
helper_method :current_user, :logged_in?
def current_user
@current_user ||= User.find_by_id(session[:user])
end
def logged_in?
current_user != nil
end
end
In a view:
<% if logged_in? -%>Welcome, <%= current_user.name %><% end -%>Parameters
-
methodsrest
Source
# File actionpack/lib/action_controller/helpers.rb, line 159
def helper_method(*methods)
methods.flatten.each do |method|
master_helper_module.module_eval <<-end_eval
def #{method}(*args, &block)
controller.send(%(#{method}), *args, &block)
end
end_eval
end
end
Defined in actionpack/lib/action_controller/helpers.rb line 159
· View on GitHub
· Improve this page
· Find usages on GitHub
Defined in ActionController::Helpers::ClassMethods