mirror of
https://github.com/wbbaddons/Tims-Chat.git
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122 lines
3.2 KiB
PHP
122 lines
3.2 KiB
PHP
<?php
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namespace chat\data\room;
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use \wcf\system\WCF;
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/**
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* Executes chatroom-related actions.
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*
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* @author Tim Düsterhus
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* @copyright 2010-2013 Tim Düsterhus
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* @license Creative Commons Attribution-NonCommercial-ShareAlike <http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode>
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* @package be.bastelstu.chat
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* @subpackage data.room
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*/
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class RoomAction extends \wcf\data\AbstractDatabaseObjectAction implements \wcf\data\ISortableAction {
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/**
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* @see \wcf\data\AbstractDatabaseObjectAction::$className
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*/
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protected $className = '\chat\data\room\RoomEditor';
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/**
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* @see \wcf\data\AbstractDatabaseObjectAction::$permissionsDelete
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*/
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protected $permissionsDelete = array('admin.chat.canDeleteRoom');
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/**
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* @see \wcf\data\AbstractDatabaseObjectAction::$permissionsUpdate
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*/
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protected $permissionsUpdate = array('admin.chat.canEditRoom');
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/**
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* Resets cache if any of the listed actions is invoked
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* @var array<string>
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*/
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protected $resetCache = array('create', 'delete', 'toggle', 'update', 'updatePosition', 'prune');
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/**
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* Fixes create to append new rooms.
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*/
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public function create() {
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$room = parent::create();
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WCF::getDB()->beginTransaction();
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$sql = "SELECT MAX(position)
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FROM ".call_user_func(array($this->className, 'getDatabaseTableName'))."
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FOR UPDATE";
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$stmt = WCF::getDB()->prepareStatement($sql);
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$stmt->execute();
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$editor = new RoomEditor($room);
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$editor->update(array('position' => ($stmt->fetchColumn() + 1)));
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WCF::getDB()->commitTransaction();
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return $room;
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}
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/**
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* Deletes temporary rooms that are unused.
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*
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* @return integer Number of deleted rooms
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*/
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public function prune() {
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$sql = "SELECT
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".call_user_func(array($this->className, 'getDatabaseTableIndexName'))."
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FROM
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".call_user_func(array($this->className, 'getDatabaseTableName'))."
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WHERE
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permanent = ?
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AND roomID NOT IN (
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SELECT
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fieldValue AS roomID
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FROM
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wcf".WCF_N."_user_storage
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WHERE
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field = ?
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AND fieldValue IS NOT NULL
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)";
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$stmt = \wcf\system\WCF::getDB()->prepareStatement($sql);
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$stmt->execute(array(0, 'roomID'));
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$objectIDs = array();
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while ($objectIDs[] = $stmt->fetchColumn());
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return call_user_func(array($this->className, 'deleteAll'), $objectIDs);
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}
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/**
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* @see wcf\data\ISortableAction
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*/
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public function validateUpdatePosition() {
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// validate permissions
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if (is_array($this->permissionsUpdate) && count($this->permissionsUpdate)) {
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WCF::getSession()->checkPermissions($this->permissionsUpdate);
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}
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else {
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throw new \wcf\system\exception\PermissionDeniedException();
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}
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if (!isset($this->parameters['data']['structure'])) {
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throw new \wcf\system\exception\UserInputException('structure');
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}
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}
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/**
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* @see wcf\data\ISortableAction
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*/
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public function updatePosition() {
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$roomList = new RoomList();
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$roomList->readObjects();
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$i = 0;
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WCF::getDB()->beginTransaction();
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foreach ($this->parameters['data']['structure'][0] as $roomID) {
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$room = $roomList->search($roomID);
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if ($room === null) continue;
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$editor = new RoomEditor($room);
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$editor->update(array('position' => $i++));
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}
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WCF::getDB()->commitTransaction();
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}
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}
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