Module: Picklive::Currency::Converters

Defined in:
lib/picklive/currency.rb

Overview

Provides setters and getters for ‘something_in_currency`, alias: `something` Mix it into classes that have `something_in_pennies` setter/getter and call:

cuurrency_field :something

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/picklive/currency.rb', line 157

def self.included(base)
  base.instance_eval do
    def currency_field(*fields)
      self.class_eval do

        fields.each do |field|
          define_method "#{field}_in_currency" do
            pennies = self.send("#{field}_in_pennies")
            currency.new(pennies) unless pennies.nil?
          end

          define_method "#{field}_in_currency=" do |amount_in_currency|
            if ! amount_in_currency.is_a?(Picklive::Currency::Base)
              amount_in_currency = Picklive::Currency::GBP.new((amount_in_currency.to_f * Picklive::Currency::GBP.precision).round)
            end
            if self.respond_to?("currency_code=")
              self.currency_code = amount_in_currency.class.code
            end
            self.send("#{field}_in_pennies=", amount_in_currency.integer_amount)
          end

          alias_method :"#{field}",  :"#{field}_in_currency"
          alias_method :"#{field}=", :"#{field}_in_currency="

        end
      end
    end

    def currency_fields(*fields)
      currency_field(*fields)
    end
  end
end