Module: RailsStuff::ResourcesController::ResourceHelper

Defined in:
lib/rails_stuff/resources_controller/resource_helper.rb

Overview

Defines resource helper and finder method.

Instance Method Summary collapse

Instance Method Details

#resource_helper(resource_name, **options) ⇒ Object

Defines protected helper method. Ex. for ‘:user`

helper_method :user

def user
  @user ||= User.find params[:user_id]
end

#### Options

  • ‘class` - class name, default to `resource_name.classify`

  • ‘param` - param name, default to `resource_name.foreign_key`



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# File 'lib/rails_stuff/resources_controller/resource_helper.rb', line 17

def resource_helper(resource_name, **options)
  helper_method resource_name
  resource_name = resource_name.to_s

  class_eval <<-RUBY, __FILE__, __LINE__ + 1
    def #{resource_name}
      @#{resource_name} ||= #{options[:class] || resource_name.classify}.
        find params[:#{options[:param] || resource_name.foreign_key}]
    end
    protected :#{resource_name}
  RUBY
end