Viewing file:  chat_back.php (5.69 KB) -rw-r--r--
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<?
class chat extends Controller {
function chat()
{
parent::Controller();
}
/**
* @author: Md. Golam Rabbany
* @email: mgrnahid@gmail.com
* @description: This function Default Page
* @copyright 2011
*/
function index()
{
if($this->clogin->is_logged_in())
{
redirect("admin/cpanel/index", "Location");
}
else
{
redirect("login/login_first", "Location");
}
}
/**
* @author: Md. Golam Rabbany
* @email: mgrnahid@gmail.com
* @description: This function Input Chat Type
* @copyright 2011
*/
function getChatType($chatType = 'chatheartbeat')
{
if($this->clogin->is_logged_in())
{
$_SESSION['username'] = $this->session->userdata('user_name');
if($chatType == 'chatheartbeat')
{
$this->chatHeartbeat();
}
if($chatType == 'sendchat')
{
$this->sendChat();
}
if($chatType == 'closechat')
{
$this->closeChat();
}
if($chatType == 'startchatsession')
{
$this->startChatSession();
}
if (!isset($_SESSION['chatHistory']))
{
$_SESSION['chatHistory'] = array();
}
if (!isset($_SESSION['openChatBoxes']))
{
$_SESSION['openChatBoxes'] = array();
}
}
else
{
redirect("login/login_first", "Location");
}
}
/**
* @author: Md. Golam Rabbany
* @email: mgrnahid@gmail.com
* @description: This function return chatHeartbeat
* @copyright 2011
*/
function chatHeartbeat()
{
$this->clogin->is_logged_in();
$_SESSION['username'] = $this->session->userdata('user_name');
$user_name = $_SESSION['username'];
$sql = "select * from chat_history where receiver = 'root' AND recd = 0 order by sent ASC";
$items = '';
$chatBoxes = array();
while ($chat = mysql_fetch_array($query)) {
if (!isset($_SESSION['openChatBoxes'][$chat['sender']]) && isset($_SESSION['chatHistory'][$chat['sender']])) {
$items = $_SESSION['chatHistory'][$chat['sender']];
}
$chat['message'] = $this->sanitize($chat['message']);
$items .= <<<EOD
{
"s": "0",
"f": "{$chat['sender']}",
"m": "{$chat['message']}"
},
EOD;
if (!isset($_SESSION['chatHistory'][$chat['sender']])) {
$_SESSION['chatHistory'][$chat['sender']] = '';
}
$_SESSION['chatHistory'][$chat['sender']] .= <<<EOD
{
"s": "0",
"f": "{$chat['sender']}",
"m": "{$chat['message']}"
},
EOD;
unset($_SESSION['tsChatBoxes'][$chat['sender']]);
$_SESSION['openChatBoxes'][$chat['sender']] = $chat['sent'];
}
if (!empty($_SESSION['openChatBoxes'])) {
foreach ($_SESSION['openChatBoxes'] as $chatbox => $time) {
if (!isset($_SESSION['tsChatBoxes'][$chatbox])) {
$now = time()-strtotime($time);
$time = date('g:iA M dS', strtotime($time));
$message = "Sent at $time";
if ($now > 180) {
$items .= <<<EOD
{
"s": "2",
"f": "$chatbox",
"m": "{$message}"
},
EOD;
if (!isset($_SESSION['chatHistory'][$chatbox])) {
$_SESSION['chatHistory'][$chatbox] = '';
}
$_SESSION['chatHistory'][$chatbox] .= <<<EOD
{
"s": "2",
"f": "$chatbox",
"m": "{$message}"
},
EOD;
$_SESSION['tsChatBoxes'][$chatbox] = 1;
}
}
}
}
$sql = "update chat_history set recd = 1 where receiver = '$user_name' and recd = 0";
$query = mysql_query($sql);
if ($items != '') {
$items = substr($items, 0, -1);
}
header('Content-type: application/json');
?>
{
"items": [
<?php echo $items;?>
]
}
<?php
exit(0);
}
/**
* @author: Md. Golam Rabbany
* @email: mgrnahid@gmail.com
* @description: This function return chatBoxSession
* @copyright 2011
*/
function chatBoxSession($chatbox) {
$this->clogin->is_logged_in();
$items = '';
if (isset($_SESSION['chatHistory'][$chatbox])) {
$items = $_SESSION['chatHistory'][$chatbox];
}
return $items;
}
/**
* @author: Md. Golam Rabbany
* @email: mgrnahid@gmail.com
* @description: This function return startChatSession
* @copyright 2011
*/
function startChatSession() {
$this->clogin->is_logged_in();
$_SESSION['username'] = $this->session->userdata('user_name');
$items = '';
if (!empty($_SESSION['openChatBoxes'])) {
foreach ($_SESSION['openChatBoxes'] as $chatbox => $void) {
$items .= $this->chatBoxSession($chatbox);
}
}
if ($items != '') {
$items = substr($items, 0, -1);
}
header('Content-type: application/json');
?>
{
"username": "<?php echo $_SESSION['username'];?>",
"items": [
<?php echo $items;?>
]
}
<?php
exit(0);
}
/**
* @author: Md. Golam Rabbany
* @email: mgrnahid@gmail.com
* @description: This function return sendChat
* @copyright 2011
*/
function sendChat() {
$this->clogin->is_logged_in();
$from = $_SESSION['username'];
$to = $_POST['to'];
$message = $_POST['message'];
$_SESSION['openChatBoxes'][$_POST['to']] = date('Y-m-d H:i:s', time());
$messagesan = $this->sanitize($message);
if (!isset($_SESSION['chatHistory'][$_POST['to']])) {
$_SESSION['chatHistory'][$_POST['to']] = '';
}
$_SESSION['chatHistory'][$_POST['to']] .= <<<EOD
{
"s": "1",
"f": "{$to}",
"m": "{$messagesan}"
},
EOD;
unset($_SESSION['tsChatBoxes'][$_POST['to']]);
$sql = "insert into chat_history (sender,receiver,message,sent) values ('".mysql_real_escape_string($from)."', '".mysql_real_escape_string($to)."','".mysql_real_escape_string($message)."',NOW())";
$query = mysql_query($sql);
echo "1";
exit(0);
}
/**
* @author: Md. Golam Rabbany
* @email: mgrnahid@gmail.com
* @description: This function return closeChat
* @copyright 2011
*/
function closeChat() {
unset($_SESSION['openChatBoxes'][$_POST['chatbox']]);
echo "1";
exit(0);
}
function sanitize($text) {
$text = htmlspecialchars($text, ENT_QUOTES);
$text = str_replace("\n\r","\n",$text);
$text = str_replace("\r\n","\n",$text);
$text = str_replace("\n","<br>",$text);
return $text;
}
}
?>
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