Module: CustomFields::Types::Money::Target::ClassMethods

Defined in:
lib/custom_fields/types/money.rb

Instance Method Summary collapse

Instance Method Details

#apply_money_custom_field(klass, rule) ⇒ Object

Adds a Money field

uses the money gem (github.com/RubyMoney/money)

if allow_currency_from_symbol is set the formatted_name_field will return the amount and the currency

Parameters:

  • klass (Class) —

    The class to modify

  • rule (Hash) —

    It contains the name of the field and if it is required or not



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# File 'lib/custom_fields/types/money.rb', line 56

def apply_money_custom_field(klass, rule)

  # the field names
  name = rule['name']
  names = {
    name:                       name.to_sym,
    cents_field:                "#{name}_cents".to_sym,
    currency_field:             "#{name}_currency".to_sym,
    formatted_name_field:       "formatted_#{name}".to_sym,
    allow_currency_from_symbol: "#{name}_allow_currency_from_symbol".to_sym,
    default_currency:           "#{name}_default_currency".to_sym
  }

  # fields
  klass.field names[:cents_field],    type: ::Integer, localize: false
  klass.field names[:currency_field], type: ::String,  localize: false

  # getters and setters
  klass.send( :define_method, name ) { _get_money(names) }
  klass.send( :define_method, :"#{name}=" ) { |value| _set_money(value, names) }

  klass.send( :define_method, names[:formatted_name_field] ) { _get_formatted_money(names) }
  klass.send( :define_method, :"#{names[:formatted_name_field]}=" ) { |value| _set_money(value, names) }

  klass.send( :define_method, names[:allow_currency_from_symbol] ) { rule['allow_currency_from_symbol'] }
  klass.send( :define_method, names[:default_currency] ) { rule['default_currency'] }

  # validations
  klass.validate { _check_money( names ) }  if rule['required']
  klass.validates_presence_of( names[:cents_field], names[:currency_field] ) if rule['required']
  klass.validates_numericality_of names[:cents_field], only_integer: true, if: names[:cents_field]

end

#money_attribute_get(instance, name) ⇒ Object 



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# File 'lib/custom_fields/types/money.rb', line 90

def money_attribute_get(instance, name)
  if value = instance.send(:"formatted_#{name}")
    { name => value, "formatted_#{name}" => value }
  else
    {}
  end
end

#money_attribute_set(instance, name, attributes) ⇒ Object 



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# File 'lib/custom_fields/types/money.rb', line 98

def money_attribute_set(instance, name, attributes)
  return unless attributes.key?(name) || attributes.key?("formatted_#{name}")
  value = attributes[name] || attributes["formatted_#{name}"]
  instance.send(:"formatted_#{name}=", value)
end