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<?php |
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// This file is part of Moodle - http://moodle.org/ |
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// |
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// Moodle is free software: you can redistribute it and/or modify |
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// it under the terms of the GNU General Public License as published by |
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// the Free Software Foundation, either version 3 of the License, or |
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// (at your option) any later version. |
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// |
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// Moodle is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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// |
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// You should have received a copy of the GNU General Public License |
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>. |
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/** |
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* The mod_bigbluebuttonbn locallib/notifier. |
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* |
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* @package mod_bigbluebuttonbn |
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* @copyright 2017 - present, Blindside Networks Inc |
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later |
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* @author Jesus Federico (jesus [at] blindsidenetworks [dt] com) |
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*/ |
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namespace mod_bigbluebuttonbn\locallib; |
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defined('MOODLE_INTERNAL') || die(); |
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require_once($CFG->dirroot . '/mod/bigbluebuttonbn/locallib.php'); |
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/** |
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* Helper class for sending notifications. |
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* |
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* @copyright 2010 onwards, Blindside Networks Inc |
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later |
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*/ |
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class notifier { |
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/** |
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* Starts the notification process. |
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* |
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* @param object $context |
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* @param object $bigbluebuttonbn |
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* @param string $action |
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* @return void |
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*/ |
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public static function notification_process($context, $bigbluebuttonbn, $action) { |
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global $USER; |
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// Prepare message. |
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$msg = (object) array(); |
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// Build the message_body. |
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$msg->action = $action; |
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$msg->activity_type = ''; |
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$msg->activity_title = $bigbluebuttonbn->name; |
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// Add the meeting details to the message_body. |
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$msg->action = ucfirst($action); |
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$msg->activity_description = ''; |
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if (!empty($bigbluebuttonbn->intro)) { |
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$msg->activity_description = trim($bigbluebuttonbn->intro); |
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} |
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$msg->activity_openingtime = bigbluebuttonbn_format_activity_time($bigbluebuttonbn->openingtime); |
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$msg->activity_closingtime = bigbluebuttonbn_format_activity_time($bigbluebuttonbn->closingtime); |
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$msg->activity_owner = fullname($USER); |
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// Send notification to all users enrolled. |
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self::notification_send($context, $USER, $bigbluebuttonbn, self::notification_msg_html($msg)); |
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} |
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/** |
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* Prepares html message body. |
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* |
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* @param object $msg |
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* @return string |
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*/ |
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public static function notification_msg_html($msg) { |
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$messagetext = '<p>'.$msg->activity_type.' "'.$msg->activity_title.'" '. |
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get_string('email_body_notification_meeting_has_been', 'bigbluebuttonbn').' '.$msg->action.'.</p>'."\n"; |
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$messagetext .= '<p><b>'.$msg->activity_title.'</b> '. |
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get_string('email_body_notification_meeting_details', 'bigbluebuttonbn').':'."\n"; |
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$messagetext .= '<table border="0" style="margin: 5px 0 0 20px"><tbody>'."\n"; |
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$messagetext .= '<tr><td style="font-weight:bold;color:#555;">'. |
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get_string('email_body_notification_meeting_title', 'bigbluebuttonbn').': </td><td>'."\n"; |
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$messagetext .= $msg->activity_title.'</td></tr>'."\n"; |
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$messagetext .= '<tr><td style="font-weight:bold;color:#555;">'. |
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get_string('email_body_notification_meeting_description', 'bigbluebuttonbn').': </td><td>'."\n"; |
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$messagetext .= $msg->activity_description.'</td></tr>'."\n"; |
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$messagetext .= '<tr><td style="font-weight:bold;color:#555;">'. |
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get_string('email_body_notification_meeting_start_date', 'bigbluebuttonbn').': </td><td>'."\n"; |
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$messagetext .= $msg->activity_openingtime.'</td></tr>'."\n"; |
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$messagetext .= '<tr><td style="font-weight:bold;color:#555;">'. |
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get_string('email_body_notification_meeting_end_date', 'bigbluebuttonbn').': </td><td>'."\n"; |
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$messagetext .= $msg->activity_closingtime.'</td></tr>'."\n"; |
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$messagetext .= '<tr><td style="font-weight:bold;color:#555;">'.$msg->action.' '. |
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get_string('email_body_notification_meeting_by', 'bigbluebuttonbn').': </td><td>'."\n"; |
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$messagetext .= $msg->activity_owner.'</td></tr></tbody></table></p>'."\n"; |
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return $messagetext; |
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} |
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/** |
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* Sends the message. |
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* |
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* @param object $context |
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* @param object $sender |
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* @param object $bigbluebuttonbn |
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* @param string $message |
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* @return void |
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*/ |
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public static function notification_send($context, $sender, $bigbluebuttonbn, $message = '') { |
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global $DB; |
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$course = $DB->get_record('course', array('id' => $bigbluebuttonbn->course), '*', MUST_EXIST); |
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// Complete message. |
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$msg = (object) array(); |
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$msg->user_name = fullname($sender); |
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$msg->user_email = $sender->email; |
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$msg->course_name = $course->fullname; |
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$message .= '<p><hr/><br/>'.get_string('email_footer_sent_by', 'bigbluebuttonbn').' '. |
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$msg->user_name.'('.$msg->user_email.') '; |
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$message .= get_string('email_footer_sent_from', 'bigbluebuttonbn').' '.$msg->course_name.'.</p>'; |
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// Process the message sending. |
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foreach (self::users_to_notify($context, $instance) as $user) { |
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if ($user->id != $sender->id) { |
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message_post_message($sender, $user, $message, FORMAT_HTML); |
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} |
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} |
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} |
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/** |
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* Define users to be notified. |
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* |
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* @param object $context |
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* @param object $course |
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* @return array |
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*/ |
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public static function users_to_notify($context, $course) { |
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$users = (array) get_enrolled_users($context, '', 0, 'u.*', null, 0, 0, true); |
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$modinfo = get_fast_modinfo($course); |
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$coursemodule = $modinfo->get_cm($context->instanceid); |
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$info = new \core_availability\info_module($coursemodule); |
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$filtered = $info->filter_user_list($users); |
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return $filtered; |
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} |
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} |
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This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.