helper_method

helper_method(*meths)

Instance Public 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:

1	`<%` `if` `logged_in? -%>Welcome, <%= current_user.name %><%` `end` `-%>`

Parameters

method[, method] - A name or names of a method on the controller to be made available on the view.

Links:

https://github.com/rails/rails/blob/5bee14f3a46d6fc907044b739245c74edfb6012b/actionpack/lib/abstract_controller/helpers.rb#L63

doc_ruby_on_rails

2025-01-10 15:47:30

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