Contents

class Money

  # Converts an object of this instance into a database friendly value.
  def mongoize
    {
      cents:        cents.mongoize.to_f,
      currency_iso: currency.iso_code.mongoize
    }
  end

  class << self

    # Get the object as it was stored in the database, and instantiate
    # this custom class from it.
    def demongoize(object)
      if object.is_a?(Hash)
        if object.respond_to?(:deep_symbolize_keys)
          object = object.deep_symbolize_keys
        else
          object = object.symbolize_keys
        end
        object.has_key?(:cents) ? ::Money.new(object[:cents], object[:currency_iso]) : nil
      else
        nil
      end
    end

    # Takes any possible object and converts it to how it would be
    # stored in the database.
    def mongoize(object)
      return object.mongoize if object.is_a?(Money)
      return mongoize_hash(object) if object.is_a?(Hash)
      return nil if object.nil?
      return mongoize_castable(object) if object.respond_to?(:to_money)

      object
    end

    # Converts the object that was supplied to a criteria and converts it
    # into a database friendly form.
    def evolve(object)
      case object
      when Money then object.mongoize
      else object
      end
    end

    private

    def mongoize_hash(hash)
      if hash.respond_to?(:deep_symbolize_keys!)
        hash.deep_symbolize_keys!
      elsif hash.respond_to?(:symbolize_keys!)
        hash.symbolize_keys!
      end

      # Guard for a blank form
      return nil if hash[:cents] == '' && hash[:currency_iso] == ''

      ::Money.new(hash[:cents], hash[:currency_iso]).mongoize
    end

    def mongoize_castable(object)
      object.to_money.mongoize
    rescue Money::Currency::UnknownCurrency, Monetize::ParseError => e
      return nil unless MoneyRails.raise_error_on_money_parsing
      raise MoneyRails::Error, e.message
    end
  end
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
money-rails-1.15.0	lib/money-rails/mongoid/money.rb
money-rails-1.14.0	lib/money-rails/mongoid/money.rb
money-rails-1.13.4	lib/money-rails/mongoid/money.rb
money-rails-1.13.3	lib/money-rails/mongoid/money.rb
money-rails-1.13.2	lib/money-rails/mongoid/money.rb
money-rails-1.13.1	lib/money-rails/mongoid/money.rb