Module: Reamaze::Opinionated::ClassMethods

Defined in:
lib/opinionated.rb

Overview

Make methods available to ActiveRecord in the class context

Instance Method Summary collapse

Instance Method Details

#preferences(preferential = :preferences, options = {}) {|configuration| ... } ⇒ Object

Yields:

  • (configuration)

Raises:

  • (ArgumentError) 


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# File 'lib/opinionated.rb', line 14

def preferences(preferential = :preferences, options = {})
  send :include, InstanceMethods

  preferential = Helpers.normalize(preferential)

  # Create accessor methods to our configuration info
  class << self
    attr_accessor :preferential_configuration unless method_defined?(:preferential_configuration)
  end

  # Initialize the configuration to an empty hash
  self.preferential_configuration = {} if self.preferential_configuration.nil?

  # Redefining a preference configuration once defined should not be allowed
  raise ArgumentError, "#{self} class already preferences :#{preferential} defined" if self.preferential_configuration.has_key?(preferential)

  configuration = Configuration.new(self, preferential, options)
  yield configuration
  preferential_configuration[preferential] = configuration

  # override hstore Hash with a custom Hash
  class_eval do 
    eval(
      <<-EOS
        def #{preferential}
          h = Reamaze::Opinionated::PrefHash.new self, "#{preferential}"
          h.replace self["#{preferential}"].from_hstore if self["#{preferential}"]
          h
        end
      EOS
    )
  end
end