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Tims-Chat/file/lib/page/NewMessagesPage.class.php

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<?php
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namespace chat\page;
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use wcf\system\request\LinkHandler;
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use \chat\data;
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use \wcf\system\exception\IllegalLinkException;
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use \wcf\system\WCF;
/**
* Loads new messages.
*
* @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 page
*/
class NewMessagesPage extends \wcf\page\AbstractPage {
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/**
* @see wcf\page\AbstractPage::$loginRequired
*/
public $loginRequired = true;
/**
* The new and unseen messages.
*
* @var array<\wcf\data\chat\message\ChatMessage>
*/
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public $messages = array();
/**
* @see \wcf\page\AbstractPage::$neededModules
*/
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public $neededModules = array('CHAT_ACTIVE');
/**
* @see \wcf\page\AbstractPage::$neededPermissions
*/
public $neededPermissions = array();
/**
* The room the user joined.
*
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* @var \chat\data\room\Room
*/
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public $room = null;
/**
* All the users that are currently in the room $this->room.
*
* @var array<\wcf\data\user\User>
*/
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public $users = array();
/**
* @see \wcf\page\AbstractPage::$useTemplate
*/
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public $useTemplate = false;
/**
* @see \wcf\page\Page::readData()
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*/
public function readData() {
parent::readData();
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$this->readRoom();
$this->readMessages();
$this->users = $this->room->getUsers();
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$roomAction = new data\room\RoomAction(array(), 'removeDeadUsers');
$roomAction->executeAction();
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}
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/**
* Fetches the new messages
*/
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public function readMessages() {
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$this->messages = data\message\MessageList::getMessagesSince($this->room, \chat\util\ChatUtil::readUserData('lastSeen'));
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// update last seen message
$sql = "SELECT
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MAX(messageID)
FROM
chat".WCF_N."_message";
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$stmt = WCF::getDB()->prepareStatement($sql);
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$stmt->execute();
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\chat\util\ChatUtil::writeUserData(array(
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'lastSeen' => $stmt->fetchColumn(),
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'lastActivity' => TIME_NOW
));
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}
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/**
* Initializes the room databaseobject.
*/
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public function readRoom() {
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$roomID = \chat\util\ChatUtil::readUserData('roomID');
$cache = data\room\Room::getCache();
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if (!isset($cache[$roomID])) throw new IllegalLinkException();
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$this->room = $cache[$roomID];
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if (!$this->room->canEnter()) throw new \wcf\system\exception\PermissionDeniedException();
}
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/**
* @see \wcf\page\IPage::show()
*/
public function show() {
parent::show();
@header('Content-type: application/json');
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// enable gzip compression
if (HTTP_ENABLE_GZIP && HTTP_GZIP_LEVEL > 0 && HTTP_GZIP_LEVEL < 10 && !defined('HTTP_DISABLE_GZIP')) {
\wcf\util\HeaderUtil::compressOutput();
}
$json = array('users' => array(), 'messages' => array());
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foreach ($this->messages as $message) {
$json['messages'][] = $message->jsonify(true);
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}
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\wcf\system\user\storage\UserStorageHandler::getInstance()->loadStorage(array_keys($this->users->getObjects()));
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foreach ($this->users as $user) {
$json['users'][] = array(
'userID' => (int) $user->userID,
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'username' => $user->username,
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'awayStatus' => $user->awayStatus,
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'suspended' => (boolean) !$this->room->canWrite($user->getDecoratedObject()),
'avatar' => array(
16 => $user->getAvatar()->getImageTag(16),
24 => $user->getAvatar()->getImageTag(24),
32 => $user->getAvatar()->getImageTag(32),
48 => $user->getAvatar()->getImageTag(48)
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),
'link' => LinkHandler::getInstance()->getLink('User', array(
'user' => $user->getDecoratedObject()
))
);
}
if (ENABLE_BENCHMARK) {
$b = \wcf\system\benchmark\Benchmark::getInstance();
$items = array();
if (ENABLE_DEBUG_MODE) {
foreach ($b->getItems() as $item) {
$items[] = array('text' => $item['text'], 'use' => $item['use']);
}
}
$json['benchmark'] = array(
'time' => $b->getExecutionTime(),
'queryTime' => $b->getQueryExecutionTime(),
'queryPercent' => $b->getQueryExecutionTime() / $b->getExecutionTime(),
'items' => $items
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);
}
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echo \wcf\util\JSON::encode($json);
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exit;
}
}