Class: MoneyRails::ActiveModel::MoneyValidator

Inherits:
ActiveModel::Validations::NumericalityValidator
  • Object
show all
Defined in:
lib/money-rails/active_model/validator.rb

Instance Method Summary collapse

Instance Method Details

#validate_each(record, attr, value) ⇒ Object 



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# File 'lib/money-rails/active_model/validator.rb', line 4

def validate_each(record, attr, value)
  reset_memoized_variables!
  @record = record
  @attr = attr

  subunit_attr = @record.class.monetized_attributes[@attr.to_sym]

  # WARNING: Currently this is only defined in ActiveRecord extension!
  before_type_cast = :"#{@attr}_money_before_type_cast"
  @raw_value = @record.try(before_type_cast)

  # If raw value is nil and changed subunit is nil, then
  # nil is a assigned value, else we should treat the
  # subunit value as the one assigned.
  if @raw_value.nil? && @record.public_send(subunit_attr)
    subunit_value = @record.public_send(subunit_attr)
    @raw_value = subunit_value.to_f / currency.subunit_to_unit
  end

  return if options[:allow_nil] && @raw_value.nil?

  # Skip normalization for Numeric values
  # which can directly be handled by NumericalityValidator
  if raw_value_is_non_numeric
    # remove currency symbol, and negative sign
    @raw_value = @raw_value.to_s.strip.gsub(symbol, "")

    add_error and return if value_has_too_many_decimal_points
    add_error if invalid_thousands_separation

  end

  normalize_raw_value!
  super(@record, @attr, @raw_value)
end