Module: StringifyDate::ActiveRecord::Stringify::ClassMethods

Defined in:
lib/stringify_date/active_record/stringify.rb

Instance Method Summary collapse

Instance Method Details

#stringify(field, *args) ⇒ Object 



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# File 'lib/stringify_date/active_record/stringify.rb', line 11

def stringify(field, *args)
  column_name = field.to_s

  options = args.extract_options!

  format = options[:format] || '%Y-%m-%d'

  name = [column_name, 'string'].join('_')

  define_method name do
    date = send(column_name)
    date.strftime(format) unless date.nil?
  end

  define_method "#{name}=" do |value|
    self.send(
      "#{column_name}=",
        if value.present?
          begin
            Time.parse(value)
          rescue ArgumentError
            instance_variable_set("@#{name}_invalid", true)
            nil
          end
        else
          nil
        end
    )
  end

  define_method "validate_#{name}" do
    errors.add(name.to_sym, I18n.t('errors.invalid')) if instance_variable_get("@#{name}_invalid")
  end

  self.send(:validate, :"validate_#{name}")

end