module ActionParameter::Helpers

Protected Instance Methods

permitted_params(options = {}) click to toggle source

permitted_params: Returns an ActionParameter instance.

Options

  • options - Hash with one valid key: class.

  • options[:class] - Symbol value with the name of the Parameters class you want to use.

Examples

  permitted_params(class: customer) # called from UsersController

This will create an instance of CustomerParameters and also will make
'params', 'controller_name' and 'action_name' helper methods
available on the CustomerParameters instace.
# File lib/action_parameter/helpers.rb, line 20
def permitted_params(options = {})
  parameter_class     = permitted_params_class(options[:class])
  @permitted_params ||= parameter_class.new(params)
end
permitted_params_class(class_name = nil) click to toggle source

permitted_params_class: Returns a Parameters class.

Options

  • class_name - Symbol value with the name of the Parameters class you want to use.

Examples

permitted_params_class(:customer)  # called from PeopleController
# => CustomerParameters

permitted_params_class(:customers) # called from PeopleController
# => CustomersParameters

permitted_params_class()           # called from PeopleController
# => PersonParameters
# File lib/action_parameter/helpers.rb, line 41
def permitted_params_class(class_name = nil)
  class_name = class_name || self.class.name.sub(/Controller$/, '').singularize
  @permitted_params_class ||= "#{class_name.to_s.camelcase}Parameters".constantize
end