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Tims-Chat/files/lib/system/command/TNeedsUser.class.php
2018-11-27 20:53:30 +01:00

54 lines
1.3 KiB
PHP

<?php
/*
* Copyright (c) 2010-2018 Tim Düsterhus.
*
* Use of this software is governed by the Business Source License
* included in the LICENSE file.
*
* Change Date: 2022-11-27
*
* On the date above, in accordance with the Business Source
* License, use of this software will be governed by version 2
* or later of the General Public License.
*/
namespace chat\system\command;
use \wcf\data\user\User;
use \wcf\system\exception\UserInputException;
use \wcf\system\WCF;
/**
* Adds helpful functions for commands that operate on a user.
*/
trait TNeedsUser {
/**
* Returns the user with the given username.
*
* @param string $username
* @return \wcf\data\user\User
*/
protected function getUser($username) {
static $cache = [ ];
if (!isset($cache[$username])) {
$cache[$username] = User::getUserByUsername($username);
}
return $cache[$username];
}
/**
* Checks whether the given username is valid and throws otherwise.
*
* @param string $username
* @return \wcf\data\user\User
*/
protected function assertUser($username) {
$user = $this->getUser($username);
if (!$user->userID) throw new UserInputException('message', WCF::getLanguage()->getDynamicVariable('chat.error.userNotFound', [ 'username' => $username ]));
return $user;
}
}