Class: PostalCodeValidator

Inherits:
ActiveModel::EachValidator
  • Object
show all
Defined in:
lib/validators/postal_code_validator.rb

Constant Summary collapse

REGEXP =

keys are ISO-3366-1 alpha2

{
  nl: /\A\d{4}\s*?\w{2}\z/,
}.freeze

Instance Method Summary collapse

Instance Method Details

#validate_each(record, attribute, value) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/validators/postal_code_validator.rb', line 8

def validate_each record, attribute, value 
  key = (options[:country] || I18n.locale).downcase.to_sym
  key = :gb if key == :uk  # Since it's easy to get this wrong
  raise ArgumentError, "There is no validation for the country `#{key}'" if REGEXP[key].nil?

  record.errors.add attribute, (options[:message] || I18n.t('rails_validations.postal_code.invalid')) unless value =~ REGEXP[key]
end