/**
* Ajax Callback
*
* @access public
* @return void
*/
function sc_chat_ajax_callback()
{
$response = array();
try {
// Handling the supported actions:
switch ($_GET['mode']) {
case 'login':
$response = Live_Chat::login(@$_POST['f_chat_user_name'], @$_POST['f_chat_user_email'], $_POST['f_chat_is_admin']);
break;
case 'send_contact_from':
$response = Live_Chat::send_contact_from($_POST);
break;
case 'is_user_logged_in':
$response = Live_Chat::is_user_logged_in();
break;
case 'logout':
$response = Live_Chat::logout();
break;
case 'online':
$response = Live_Chat::online();
break;
case 'offline':
$response = Live_Chat::offline();
break;
case 'send_chat_msg':
$response = Live_Chat::send_chat_msg($_POST);
break;
case 'get_online_users':
$response = Live_Chat::get_online_users();
break;
case 'get_chat_lines':
$response = Live_Chat::get_chat_lines($_POST['last_log_ID'], $_POST['sender']);
break;
case 'user_info':
$response = Live_Chat::user_info($_POST['ID']);
break;
default:
throw new Exception('Wrong action');
}
} catch (Exception $e) {
$response['error'] = $e->getMessage();
}
// Response output
header("Content-Type: application/json");
echo json_encode($response);
exit;
}
/**
* Send chat message
*
* @access public
* @return array
*/
public static function send_chat_msg($params)
{
// Get user data from session
$chat_user_name = $_SESSION['sc_chat']['chat_user_name'];
$chat_user_gravatar = $_SESSION['sc_chat']['chat_user_gravatar'];
$chat_user_email = $_SESSION['sc_chat']['chat_user_email'];
// First check if any OP is online
if (!Live_Chat::check_if_any_op_online()) {
// Logout user
Live_Chat::logout();
// Prepare email data for last message
$data = array('f_chat_user_name' => $chat_user_name, 'f_chat_user_email' => $chat_user_email, 'f_chat_user_question' => $params['chat_line'], 'prefix' => '(!) ' . strtoupper(__('User has been sent this message after you disconnected from chat', 'sc_chat')) . ": \r\n\r\n");
// Send email now
$email = Live_Chat::send_contact_from($data);
if (!empty($email['error'])) {
throw new Exception($email['error']);
} else {
throw new Exception(__("We are offline now. However, your message has been sent to us by email. We will contact you as soon as possible", 'sc_chat'));
}
}
if (empty($chat_user_name)) {
throw new Exception(__('You are not logged in', 'sc_chat'));
}
if (empty($params['chat_line'])) {
throw new Exception(__("You haven't entered a chat message", 'sc_chat'));
}
// If receiver ID empty, make it __OP__
if (current_user_can('chat_with_users') and !empty($params['receiver_ID'])) {
$receiver_ID = sanitize_key($params['receiver_ID']);
} else {
$receiver_ID = '__OP__';
}
// sent by visitor
// Prepare chat line data
$chat = new Chat_line(array('author' => $chat_user_name, 'gravatar' => $chat_user_gravatar, 'visitor_ID' => !empty($params['visitor_ID']) ? $params['visitor_ID'] : null, 'receiver_ID' => $receiver_ID, 'email' => $chat_user_email, 'chat_line' => Live_Chat::sanitize_chat_line($params['chat_line'])));
// Save chat message
$insert_ID = $chat->save();
return array('status' => 1, 'insert_ID' => $insert_ID);
}