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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * Responses to AJAX calls
- */
- $_dont_save_user_course_access = true;
- require_once '../global.inc.php';
- $action = isset($_REQUEST['action']) ? $_REQUEST['action'] : null;
- if (api_is_anonymous()) {
- exit;
- }
- // Course Chat
- if ($action == 'preview') {
- require_once api_get_path(SYS_PATH).'vendor/autoload.php';
- require_once api_get_path(SYS_CODE_PATH).'chat/chat_functions.lib.php';
- echo saveMessage(
- $_REQUEST['message'],
- api_get_user_id(),
- api_get_course_info(),
- api_get_session_id(),
- api_get_group_id(),
- true
- );
- }
- if (api_get_setting('allow_global_chat') == 'false') {
- exit;
- }
- $to_user_id = isset($_REQUEST['to']) ? $_REQUEST['to'] : null;
- $message = isset($_REQUEST['message']) ? $_REQUEST['message'] : null;
- if (!isset($_SESSION['chatHistory'])) {
- $_SESSION['chatHistory'] = array();
- }
- if (!isset($_SESSION['openChatBoxes'])) {
- $_SESSION['openChatBoxes'] = array();
- }
- $chat = new Chat();
- if ($chat->is_chat_blocked_by_exercises()) {
- //Disconnecting the user
- $chat->set_user_status(0);
- exit;
- }
- switch ($action) {
- case 'chatheartbeat':
- $chat->heartbeat();
- break;
- case 'closechat':
- $chat->close();
- break;
- case 'sendchat':
- $chat->send(api_get_user_id(), $to_user_id, $message);
- break;
- case 'startchatsession':
- $chat->start_session();
- break;
- case 'set_status':
- $status = isset($_REQUEST['status']) ? intval($_REQUEST['status']) : 0;
- $chat->set_user_status($status);
- break;
- default:
- echo '';
- }
- exit;
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