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Tims-Chat/file/lib/system/menu/page/ChatPageMenuItemProvider.class.php
2014-12-10 00:15:48 +01:00

95 lines
2.2 KiB
PHP

<?php
namespace chat\system\menu\page;
/**
* PageMenuItemProvider for chat.
*
* @author Tim Düsterhus
* @copyright 2010-2014 Tim Düsterhus
* @license Creative Commons Attribution-NonCommercial-ShareAlike <http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode>
* @package be.bastelstu.chat
* @subpackage system.menu.page
*/
class ChatPageMenuItemProvider extends \wcf\system\menu\page\DefaultPageMenuItemProvider {
/**
* room that the menu item points to
*
* @var \chat\data\room\Room
*/
protected $room = null;
/**
* available chat rooms
*
* @var array<\chat\data\room\Room>
*/
protected $rooms = null;
/**
* Returns the available chat rooms
*
* @return array<\chat\data\room\Room>
*/
protected function getRooms() {
if ($this->rooms !== null) return $this->rooms;
$rooms = \chat\data\room\RoomCache::getInstance()->getRooms();
foreach ($rooms as $room) {
if ($room->canEnter()) {
if ($this->room === null) $this->room = $room;
$this->rooms[] = $room;
}
}
return $this->rooms;
}
/**
* Hides the button when there is no valid room
*
* @see \wcf\system\menu\page\PageMenuItemProvider::isVisible()
*/
public function isVisible() {
// guests are not supported
if (!\wcf\system\WCF::getUser()->userID) return false;
$rooms = $this->getRooms();
return !empty($rooms);
}
/**
* Modifies the link to show the Link we would be redirect to.
*
* @see \wcf\system\menu\page\PageMenuItemProvider::getLink()
*/
public function getLink() {
if (CHAT_FORCE_ROOM_SELECT) return parent::getLink();
$this->getRooms();
return \wcf\system\request\LinkHandler::getInstance()->getLink('Chat', array(
'application' => 'chat',
'object' => $this->room,
'forceFrontend' => true
));
}
/**
* Shows the number of users across all visible rooms.
*
* @see \wcf\system\menu\page\PageMenuItemProvider::getNotifications()
*/
public function getNotifications() {
if (!CHAT_FORCE_ROOM_SELECT) return 0;
if (!CHAT_ENABLE_MENU_BADGE) return 0;
$rooms = $this->getRooms();
return array_reduce($rooms, function ($carry, $room) {
return $carry + count($room->getUsers());
}, 0);
}
}