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index.php
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index.php
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<?php
include 'chat.php';
include 'search.php';
include 'utils.php';
include 'users.php';
if(!session_id()) session_start();
if(isset($_REQUEST['init'])) {
$result = new stdClass();
$result->username = garbageCollector();
$result->status = $_SESSION['status'];
$users = counterUsersOnline();
$result->totalOnline = $users->total;
$result->searchOnline = $users->search;
echo json_encode($result);
}
if(isset($_REQUEST['quit'])) {
garbageCollector();
}
if(isset($_REQUEST['send'])) {
echo chatHandler('send', $_POST['message']);
}
if(isset($_REQUEST['search'])) {
if($_REQUEST['search'] == 'update')
echo searchHandler('update');
else {
echo searchHandler('search');
}
}
if(isset($_REQUEST['update'])) {
echo searchHandler('update');
}
function searchHandler($key) {
$result = null;
switch ($key) {
case 'search':
addInSearch();
break;
case 'update':
if($_SESSION['status'] == 2) $result = getChatHistory($_SESSION['chat']);
else if ($_SESSION['status'] == 1) $result = searchResult();
default:
break;
}
return $result;
}
/**
* chat handler, keys: show, send | params: message
* @param string $key
* @param mixed $params
* @return mixed
*
*/
function chatHandler($key, $params) {
$var = null;
switch ($key) {
case 'show':
$var = getChatHistory($_SESSION['chat']);
break;
case 'send':
//$username = getUsername();
$var = sendChat($_SESSION['user'], $params);
break;
default:
break;
}
return $var;
}
function garbageCollector($params) {
if(isset($_SESSION['user'])) {
$users = getJsonFromFile('users.json');
if(isset($users->$_SESSION['user'])) {
if(isset($_REQUEST['quit']))
$users->$_SESSION['user']->online = false;
else {
$users->$_SESSION['user']->online = true;
$users->$_SESSION['user']->visited = time();
}
setJsonToFile('users.json', $users);
} else {
$activeUsers = getJsonFromFile('active_users.json');
if(isset($activeUsers->$_SESSION['user'])) {
if(isset($_REQUEST['quit'])) {
$_SESSION['status'] = 0;
dropFromSearch($activeUsers, array($_SESSION['user']));
setJsonToFile('active_users.json', $activeUsers);
garbageCollector();
}
}
// old data, need update
else {
$_SESSION['user'] = null;
garbageCollector();
}
}
return $_SESSION['user'];
}
else {
return addUser();
}
}
function counterUsersOnline() {
$obj = new stdClass();
$users = getJsonFromFile('users.json');
$ausers = getJsonFromFile('active_users.json');
foreach ($users as $key => $value) {
if($key[0] == 'g')
if($value->online)
$obj->total += 1;
}
$obj->total += $ausers->count;
$obj->search = $ausers->count;
return $obj;
}
?>