You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
16 lines
471 B
16 lines
471 B
# frozen_string_literal: true
|
|
|
|
# See also: USERNAME_RE in the Account class
|
|
|
|
class UniqueUsernameValidator < ActiveModel::Validator
|
|
def validate(account)
|
|
return if account.username.nil?
|
|
|
|
normalized_username = account.username.downcase
|
|
|
|
scope = Account.where(domain: nil).where('lower(username) = ?', normalized_username)
|
|
scope = scope.where.not(id: account.id) if account.persisted?
|
|
|
|
account.errors.add(:username, :taken) if scope.exists?
|
|
end
|
|
end
|
|
|