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mastodon/app/validators/unique_username_validator.rb
abcang 61a7390b66
Search account domain in lowercase (#13016)
* Search account domain in lowercase

* fix rubocop error

* fix spec/models/account_spec.rb
2020-02-01 15:42:24 +01:00

18 lines
579 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.nil?
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