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method

helper_method

Importance_1
Ruby on Rails latest stable (v4.0.2) - 0 notes - Class: ActionController::Helpers::ClassMethods

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v2.3.8) is shown here.

These similar methods exist in v4.0.2:

helper_method(*methods) public

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 -%>
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