Class: VinValidator

Inherits:
ActiveModel::EachValidator
  • Object
show all
Defined in:
lib/vindicate/vin_validator.rb

Constant Summary collapse

VALID_CHARS = 
/[A-HJ-NPR-Z0-9]{17}/i

Instance Method Summary collapse

Instance Method Details

#validate_each(record, attribute, value) ⇒ Object 



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# File 'lib/vindicate/vin_validator.rb', line 4

def validate_each(record, attribute, value)
  return if value.blank?
  unless value.respond_to?(:length)
    record.errors[attribute] << 'is invalid'
    return 
  end
  if value.length < 17
    record.errors[attribute] << 'is too short'
    return
  end
  if value.length > 17
    record.errors[attribute] << 'is too long'
    return
  end
  unless value =~ VALID_CHARS
    record.errors[attribute] << 'contains invalid characters'
    return
  end
  record.errors[attribute] << 'is invalid' unless valid?(value)
end