Module: ArrayValidator::SubsetValidator

Defined in:
lib/array_validator/subset_validator.rb

Class Method Summary collapse

Class Method Details

.call(record, attribute, values, options) ⇒ Object 



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# File 'lib/array_validator/subset_validator.rb', line 3

def self.call(record, attribute, values, options)
  return if options[:subset_of].nil?

  unlisted_values = values - options[:subset_of]
  return if unlisted_values.empty?

  error_message = if unlisted_values.size == 1
                    "#{unlisted_values.first} is not in the list"
                  else
                    "#{unlisted_values.join(', ')} are not in the list"
                  end

  record.errors[attribute] << error_message
end