Class: ActiveModel::Validations::UniquenessOnValidator

Inherits:
EachValidator
  • Object
show all
Defined in:
lib/active_model/validations/uniqueness_on_validator.rb

Instance Method Summary collapse

Instance Method Details

#filtered_options ⇒ Object 



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# File 'lib/active_model/validations/uniqueness_on_validator.rb', line 11

def filtered_options
  options.except(:class_name)
end

#validate_each(record, attr_name, value) ⇒ Object 



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# File 'lib/active_model/validations/uniqueness_on_validator.rb', line 4

def validate_each(record, attr_name, value)
  klass = options[:class_name].to_s.camelcase.constantize
  if klass.exists?(attr_name.to_sym => value)
    record.errors.add(attr_name, :taken, filtered_options)
  end
end