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mastodon/app/validators/unique_username_validator.rb
jcoffey-dev 319ed76dbd
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Import Mastodon v4.7.3
Snapshot of upstream tag v4.7.3 (commit 8ff11c2bb7b9f0714e947b10fa3629c6542c7121) from
https://github.com/mastodon/mastodon, unmodified.
2026-10-05 22:03:13 -07:00

15 lines
411 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?
scope = Account.with_username(account.username).with_domain(account.domain)
scope = scope.where.not(id: account.id) if account.persisted?
account.errors.add(:username, :taken) if scope.exists?
end
end