Module: Danconia::Integrations::ActiveRecord::ClassMethods

Defined in:

lib/danconia/integrations/active_record.rb

Instance Method Summary

• #money(*attr_names, **exchange_opts) ⇒ Object

Instance Method Details

#money(*attr_names, **exchange_opts) ⇒ Object

# File 'lib/danconia/integrations/active_record.rb', line 12

def money(*attr_names, **exchange_opts)
  attr_names.each do |attr_name|
    amount_column = attr_name
    currency_column = :"#{attr_name}_currency"

    define_method "#{attr_name}=" do |value|
      write_attribute amount_column, value.is_a?(Money) ? value.amount : value
      write_attribute currency_column, value.currency.code if respond_to?(currency_column) && value.is_a?(Money)
    end

    define_method attr_name do
      amount = read_attribute amount_column
      currency = read_attribute currency_column
      decimals = self.class.columns.detect { |c| c.name == amount_column.to_s }.scale
      Money.new amount, currency, decimals: decimals, exchange_opts: exchange_opts if amount
    end
  end
end