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Tims-Chat/file/lib/data/chat/room/ChatRoomAction.class.php
Tim Düsterhus 499526000a SQL-Standard
2012-03-22 16:38:08 +01:00

97 lines
2.7 KiB
PHP

<?php
namespace wcf\data\chat\room;
use \wcf\system\WCF;
/**
* Executes chatroom-related actions.
*
* @author Tim Düsterhus
* @copyright 2010-2012 Tim Düsterhus
* @license Creative Commons Attribution-NonCommercial-ShareAlike <http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode>
* @package be.bastelstu.wcf.chat
* @subpackage data.chat.room
*/
class ChatRoomAction extends \wcf\data\AbstractDatabaseObjectAction {
/**
* @see \wcf\data\AbstractDatabaseObjectAction::$className
*/
protected $className = '\wcf\data\chat\room\ChatRoomEditor';
/**
* @see \wcf\data\AbstractDatabaseObjectAction::$permissionsDelete
*/
protected $permissionsDelete = array('admin.content.chat.canDeleteRoom');
/**
* @see \wcf\data\AbstractDatabaseObjectAction::$permissionsUpdate
*/
protected $permissionsUpdate = array('admin.content.chat.canEditRoom');
/**
* Fixes create to append new rooms.
*/
public function create() {
$room = parent::create();
WCF::getDB()->beginTransaction();
$sql = "SELECT MAX(position)
FROM wcf".WCF_N."_chat_room
FOR UPDATE";
$stmt = WCF::getDB()->prepareStatement($sql);
$stmt->execute();
$sql = "UPDATE wcf".WCF_N."_chat_room
SET position = ".($stmt->fetchColumn() + 1)."
WHERE roomID = ?";
$stmt = WCF::getDB()->prepareStatement($sql);
$stmt->execute(array($room->roomID));
WCF::getDB()->commitTransaction();
return $room;
}
/**
* Validates parameters to update sorting.
*/
public function validateUpdatePosition() {
// validate permissions
if (is_array($this->permissionsUpdate) && count($this->permissionsUpdate)) {
try {
WCF::getSession()->checkPermissions($this->permissionsUpdate);
}
catch (\wcf\system\exception\PermissionDeniedException $e) {
throw new ValidateActionException('Insufficient permissions');
}
}
else {
throw new ValidateActionException('Insufficient permissions');
}
if (!isset($this->parameters['data']['structure'])) {
throw new ValidateActionException('Missing parameter structure');
}
if (!isset($this->parameters['data']['offset'])) $this->parameters['data']['offset'] = 0;
}
/**
* Updates sorting.
*/
public function updatePosition() {
$roomList = new \wcf\data\chat\room\ChatRoomList();
$roomList->sqlOrderBy = "chat_room.position";
$roomList->sqlLimit = 0;
$roomList->readObjects();
$i = $this->parameters['data']['offset'];
WCF::getDB()->beginTransaction();
foreach ($this->parameters['data']['structure'][0] as $roomID) {
$room = $roomList->search($roomID);
if ($room === null) continue;
$editor = new ChatRoomEditor($room);
$editor->update(array('position' => $i++));
}
WCF::getDB()->commitTransaction();
}
}