Contents

class EqualityValidator < ActiveModel::EachValidator

  OPERATORS = {
    less_than: :<, less_than_or_equal_to: :<=, greater_than: :>, greater_than_or_equal_to: :>=,
    equal_to: :==, not_equal_to: :!=
  }.freeze

  # rubocop:disable Metrics/LineLength
  def validate_each(record, attribute, value)
    to = options[:to]
    if to.nil?
      raise ArgumentError,
            'ArgumentError: missing ":to" attribute for comparison.'
    end

    operator = options[:operator]
    operators = OPERATORS.keys
    unless operators.include?(operator)
      raise ArgumentError,
            "Unknown operator: #{operator.inspect}. Valid operators are: #{operators.map(&:inspect).join(', ')}"
    end

    operator = OPERATORS[operator]
    unless value.send(operator, record.send(to))
      record.errors[attribute] <<
        (options[:message] || I18n.t('active_validation.errors.messages.equality', attr: to, operator: operator))
    end
  end
  # rubocop:enable Metrics/LineLength

end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
active_validation-4.0.0	lib/active_validation/validators/equality_validator.rb