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# frozen_string_literal: true
class ExistingUsernameValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
return if value.blank?
usernames_and_domains = begin
value.split(',').map do |str|
username, domain = str.strip.gsub(/\A@/, '').split('@', 2)
domain = nil if TagManager.instance.local_domain?(domain)
next if username.blank?
[str, username, domain]
end.compact
end
usernames_with_no_accounts = usernames_and_domains.filter_map do |(str, username, domain)|
str unless Account.find_remote(username, domain)
end
if options[:multiple]
record.errors.add(attribute, I18n.t('existing_username_validator.not_found_multiple', usernames: usernames_with_no_accounts.join(', '))) if usernames_with_no_accounts.any?
elsif usernames_with_no_accounts.any? || usernames_and_domains.size > 1
record.errors.add(attribute, I18n.t('existing_username_validator.not_found'))
end
end
end
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