Module: FlexibleEnum::Mixin::ClassMethods

Defined in:
lib/flexible_enum/mixin.rb

Instance Method Summary collapse

Instance Method Details

#flexible_enum(attribute_name, attribute_options = {}, &config) ⇒ Object 



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# File 'lib/flexible_enum/mixin.rb', line 13

def flexible_enum(attribute_name, attribute_options = {}, &config)
  # Methods are defined on the feature module which in turn is mixed in to the target class
  feature_module = Module.new do |m|
    extend ActiveSupport::Concern
    const_set :ClassMethods, Module.new
    def m.inspect
      "FlexibleEnum(#{self})"
    end
  end

  # The module that will hold references to value constants
  module_for_elements = attribute_options[:namespace] ? self.const_set(attribute_options[:namespace], Module.new) : feature_module

  # Read configuration
  elements = Configuration.load(&config).elements

  # Configure the target object for the given attribute
  configurators = [ConstantConfigurator,
                   IdentityConfigurator,
                   QuestionMethodConfigurator,
                   SetterMethodConfigurator,
                   ScopeConfigurator,
                   PotentialValuesConfigurator]
  configurators.each do |configurator|
    configurator.new(feature_module, attribute_name, module_for_elements, elements).apply
  end

  # Add functionality to target inheritance chain
  send(:include, feature_module)

  flexible_enums[attribute_name] = public_send("#{attribute_name.to_s.pluralize}_by_sym")
end

#flexible_enums ⇒ Object 



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# File 'lib/flexible_enum/mixin.rb', line 9

def flexible_enums
  @flexible_enums ||= {}
end