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mastodon/app/models/account_alias.rb

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# frozen_string_literal: true
# == Schema Information
#
# Table name: account_aliases
#
# id :bigint(8) not null, primary key
# account_id :bigint(8)
# acct :string default(""), not null
# uri :string default(""), not null
# created_at :datetime not null
# updated_at :datetime not null
#
class AccountAlias < ApplicationRecord
belongs_to :account
validates :acct, presence: true, domain: { acct: true }
validates :uri, uniqueness: { scope: :account_id }
validate :validate_target_account
before_validation :set_uri
after_create :add_to_account
after_destroy :remove_from_account
normalizes :acct, with: ->(acct) { acct.strip.delete_prefix('@') }
def pretty_acct
username, domain = acct.split('@', 2)
domain.nil? ? username : "#{username}@#{Addressable::IDNA.to_unicode(domain)}"
end
private
def set_uri
target_account = ResolveAccountService.new.call(acct)
self.uri = ActivityPub::TagManager.instance.uri_for(target_account) unless target_account.nil?
rescue Webfinger::Error, *Mastodon::HTTP_CONNECTION_ERRORS, Mastodon::Error
# Validation will take care of it
end
def add_to_account
account.update(also_known_as: account.also_known_as + [uri])
end
def remove_from_account
account.update(also_known_as: account.also_known_as.reject { |x| x == uri })
end
def validate_target_account
if uri.blank?
errors.add(:acct, I18n.t('migrations.errors.not_found'))
elsif ActivityPub::TagManager.instance.uri_for(account) == uri
errors.add(:acct, I18n.t('migrations.errors.move_to_self'))
end
end
end