creddit/app/validators/sluguuidless_validator.rb

8 lines
275 B
Ruby

# validators/sluguuidless_validator.rb
class SluguuidlessValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
if record.slug.match /([a-z0-9]+\-){4}[a-z0-9]+\z/
record.errors[attribute] << "#{value} must be unique"
end
end
end