Federated social network node, running on kosmos.social https://kosmos.social
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# frozen_string_literal: true
class ExistingUsernameValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
return if value.blank?
if options[:multiple]
missing_usernames = value.split(',').map { |username| username.strip.gsub(/\A@/, '') }.filter_map { |username| username unless Account.find_local(username) }
record.errors.add(attribute, I18n.t('existing_username_validator.not_found_multiple', usernames: missing_usernames.join(', '))) if missing_usernames.any?
else
record.errors.add(attribute, I18n.t('existing_username_validator.not_found')) unless Account.find_local(value.strip.gsub(/\A@/, ''))
end
end
end