app/validators/codename_validator.rb
# frozen_string_literal: true
class CodenameValidator < ApplicationEachValidator
class Validation < Validation
CODENAME_RE = /\A[a-z][a-z0-9]*(_[a-z0-9]+)*\z/.freeze
MIN = 3
MAX = 36
def perform
error! :blank if str_value.blank?
error! :codename unless CODENAME_RE.match? value
error! :too_short, count: MIN if str_value.length < MIN
error! :too_long, count: MAX if str_value.length > MAX
end
end
end