17 lines
581 B
Ruby
17 lines
581 B
Ruby
# frozen_string_literal: true
|
|
|
|
# See also: USERNAME_RE in the Account class
|
|
|
|
class UniqueUsernameValidator < ActiveModel::Validator
|
|
def validate(account)
|
|
return if account.username.blank?
|
|
|
|
normalized_username = account.username.downcase
|
|
normalized_domain = account.domain&.downcase
|
|
|
|
scope = Account.where(Account.arel_table[:username].lower.eq normalized_username).where(Account.arel_table[:domain].lower.eq normalized_domain)
|
|
scope = scope.where.not(id: account.id) if account.persisted?
|
|
|
|
account.errors.add(:username, :taken) if scope.exists?
|
|
end
|
|
end
|