Module: HasSafeDates::CoreExt::ClassMethods

Defined in:
lib/has_safe_dates/core_ext.rb

Instance Method Summary collapse

Instance Method Details

#has_safe_dates(*args) ⇒ Object 



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# File 'lib/has_safe_dates/core_ext.rb', line 14

def has_safe_dates(*args)
  options = args.extract_options!
  has_safe_fields_config[self] = options

  if options[:error_message].present?
    has_safe_fields_config[self][:error_message] = options[:error_message]
  else
    has_safe_fields_config[self][:error_message] = I18n.translate("activerecord.errors.messages")[:invalid] || "is invalid"
  end

  if args.blank?
    raise ArgumentError, 'Must define the fields you want to be converted to safe dates with "has_safe_dates :my_field_name_date, :my_other_field_name_date"'
  end
  has_safe_fields_config[self][:fields] = args.map(&:to_s)

  has_safe_fields_config[self][:fields].each do |field|
    define_method "#{field}=" do |value|
      if value.present?
        value = Chronic.parse(value.to_s)
        if value.blank? && self.class.has_safe_fields_config[self.class.base_class][:error_message].present?
          @safe_date_validation_errors ||= {}
          @safe_date_validation_errors[field] = self.class.has_safe_fields_config[self.class.base_class][:error_message]
        end
      end
      super value
    end
  end

  define_method "_set_safe_date_validation_errors" do
    if @safe_date_validation_errors.present?
      @safe_date_validation_errors.each_pair do |field, error|
        errors.add(field, error)
      end
    end
    @safe_date_validation_errors = nil
  end

  class_eval do
    validate :_set_safe_date_validation_errors
  end
end

#has_safe_fields_config ⇒ Object 



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# File 'lib/has_safe_dates/core_ext.rb', line 10

def has_safe_fields_config
  @@has_safe_fields_config ||= {}
end