Class: MoneyType

Inherits:
Object
  • Object
show all
Defined in:
lib/mongoid_money_field/type.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ MoneyType

Returns a new instance of MoneyType.



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# File 'lib/mongoid_money_field/type.rb', line 4

def initialize(options = {})
  @options = {
      fixed_currency: nil,
      default: nil,
      required: false,
      default_currency: nil
  }.merge(options)
end

Instance Attribute Details

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/mongoid_money_field/type.rb', line 2

def options
  @options
end

Instance Method Details

#demongoize(object) ⇒ Object

Get the object as it was stored in the database, and instantiate this custom class from it.



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# File 'lib/mongoid_money_field/type.rb', line 15

def demongoize(object)
  if object.is_a?(Hash)
    object = object.symbolize_keys

    if object.has_key?(:cents)
      if @options[:fixed_currency]
        ::Money.new(object[:cents], @options[:fixed_currency])
      else
        if object.has_key?(:currency_iso)
          ::Money.new(object[:cents], object[:currency_iso])
        else
          ::Money.new(object[:cents], @options[:default_currency])
        end
      end
    else
      nil
    end
  elsif object.is_a?(Fixnum) || object.is_a?(Float)
    if @options[:fixed_currency]
      ::Money.new(object, @options[:fixed_currency])
    else
      ::Money.new(object, @options[:default_currency])
    end
  else
    nil
  end
end

#evolve(object) ⇒ Object

Converts the object that was supplied to a criteria and converts it into a database friendly form.



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# File 'lib/mongoid_money_field/type.rb', line 80

def evolve(object)
  case object
    when Money then object.mongoize
    else object
  end
end

#mongoize(object) ⇒ Object

Takes any possible object and converts it to how it would be stored in the database.



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# File 'lib/mongoid_money_field/type.rb', line 45

def mongoize(object)
  unless @options[:default_currency].nil?
    old_default = Money.default_currency
    Money.default_currency = Money::Currency.new(@options[:default_currency])
  end

  ret = case
    when object.is_a?(Money) then object.mongoize
    when object.is_a?(Hash) then
      object.symbolize_keys! if object.respond_to?(:symbolize_keys!)
      ::Money.new(object[:cents], object[:currency_iso]).mongoize
    when object.blank? then
      if !@options[:default].nil?
        @options[:default].to_money.mongoize
      else
        nil
      end
    when object.respond_to?(:to_money) then
      object.to_money.mongoize
    else object
  end

  unless @options[:default_currency].nil?
    Money.default_currency = old_default
  end
  
  if !ret.nil? && @options[:fixed_currency]
    ret[:currency_iso] = @options[:fixed_currency]
  end

  ret
end