/** * invites user to a wiziq class * * @param int $session_id helpmenow_session.id * @param int $class_id wiziq class id */ function helpmenow_wiziq_invite($session_id, $class_id) { global $CFG, $USER, $DB; if ($s2p_rec = $DB->get_record('block_helpmenow_s2p', array('sessionid' => $session_id, 'plugin' => 'wiziq'))) { $s2p = new helpmenow_session2plugin_wiziq(null, $s2p_rec); $method = 'update'; } else { $s2p = new helpmenow_session2plugin_wiziq(null, (object) array('sessionid' => $session_id)); $method = 'insert'; } if (!in_array($class_id, $s2p->classes)) { $s2p->classes[] = $class_id; $s2p->{$method}(); } $join_url = new moodle_url("{$CFG->wwwroot}/blocks/helpmenow/plugins/wiziq/join.php"); $join_url->param('classid', $class_id); $join_url->param('sessionid', $session_id); $join_url = $join_url->out(); $message = fullname($USER) . ' has invited you to use voice, video, and whiteboarding, <a target="wiziq_session" href="' . $join_url . '">click here</a> to join.'; return helpmenow_message($session_id, null, $message); }
/** * chat refresh * * @param object $request request from client * @param object $response response */ function helpmenow_serverfunc_refresh($request, &$response) { global $USER, $CFG, $DB; $session2user = helpmenow_get_s2u($request->session); # unless something has gone wrong, we should already have a response ready: if ($request->last_message == $session2user->optimistic_last_message) { $response_cache = json_decode($session2user->cache); $response = (object) array_merge((array) $response, (array) $response_cache); } else { # unread messages $messages = helpmenow_get_unread($request->session, $USER->id); # todo: move this to the client if ($messages) { if (!isset($response->html)) { $response->html = ''; } $response->html .= helpmenow_format_messages($messages); # determine if we need to beep foreach ($messages as $m) { if ($m->notify) { $response->title_flash = format_string($m->message); $response->beep = true; } $response->last_message = $m->id; } } else { $response->last_message = $request->last_message; } } if (!isset($response->last_message)) { $response->last_message = null; } /** * if there aren't any new messages check to see if we should add a "sent: _time_" message * * yes, it sucks, it's one of the many things todo: move to client * -dzaharee */ if ($response->last_message == $request->last_message) { $sql = "\n SELECT *\n FROM {block_helpmenow_message}\n WHERE id = (\n SELECT max(id)\n FROM {block_helpmenow_message}\n WHERE sessionid = {$request->session}\n )"; if ($last_message = $DB->get_record_sql($sql)) { if (!is_null($last_message->userid) and $last_message->time < time() - 30) { $message = get_string('sent', 'block_helpmenow') . ': ' . userdate($last_message->time, '%r'); helpmenow_message($request->session, null, $message, 0); } } } # update session2user $session2user->last_message = $request->last_message; $session2user->optimistic_last_message = $response->last_message; $session2user->last_refresh = time(); $session2user->cache = json_encode((object) array('html' => '', 'beep' => false, 'last_message' => $request->last_message)); if (!$DB->update_record('block_helpmenow_session2user', $session2user)) { $response->html = ''; $response->beep = false; $response->last_message = $request->last_message; throw new Exception('Could not update session2user record'); } # call subplugin on_chat_refresh methods foreach (helpmenow_plugin::get_plugins() as $pluginname) { $class = "helpmenow_plugin_{$pluginname}"; $class::on_chat_refresh($request, $response); } }