method

new

v7.1.3.4 - Show latest stable - 0 notes - Class: Parameters

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What's this?

new(parameters = {}, logging_context = {}) public

Returns a new +ActionController::Parameters+ instance. Also, sets the permitted attribute to the default value of ActionController::Parameters.permit_all_parameters.

class Person < ActiveRecord::Base
end

params = ActionController::Parameters.new(name: "Francesco")
params.permitted?  # => false
Person.new(params) # => ActiveModel::ForbiddenAttributesError

ActionController::Parameters.permit_all_parameters = true

params = ActionController::Parameters.new(name: "Francesco")
params.permitted?  # => true
Person.new(params) # => #<Person id: nil, name: "Francesco">

Show source

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 269
    def initialize(parameters = {}, logging_context = {})
      parameters.each_key do |key|
        unless key.is_a?(String) || key.is_a?(Symbol)
          raise InvalidParameterKey, "all keys must be Strings or Symbols, got: #{key.class}"
        end
      end

      @parameters = parameters.with_indifferent_access
      @logging_context = logging_context
      @permitted = self.class.permit_all_parameters
    end

new

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