Proyectos de Subversion Moodle

<?php

// This file is part of the Zoom plugin for Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * Export ical file for a zoom meeting.

 *

 * @package    mod_zoom

 * @copyright  2015 UC Regents

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

require(__DIR__ . '/../../config.php');

require_once($CFG->libdir . '/moodlelib.php');

require_once(__DIR__ . '/locallib.php');

require_once($CFG->libdir . '/bennu/bennu.inc.php');

// Course_module ID.

$id = required_param('id', PARAM_INT);

if ($id) {

    $cm = get_coursemodule_from_id('zoom', $id, 0, false, MUST_EXIST);

    $course = get_course($cm->course);

    $zoom = $DB->get_record('zoom', ['id' => $cm->instance], '*', MUST_EXIST);

} else {

    throw new moodle_exception('zoomerr_id_missing', 'mod_zoom');

}

require_login($course, true, $cm);

$context = context_module::instance($cm->id);

$PAGE->set_context($context);

require_capability('mod/zoom:view', $context);

// Get config.

$config = get_config('zoom');

// Check if the admin did not disable the feature.

if ($config->showdownloadical == ZOOM_DOWNLOADICAL_DISABLE) {

    $disabledredirecturl = new moodle_url('/mod/zoom/view.php', ['id' => $id]);

    throw new moodle_exception('err_downloadicaldisabled', 'mod_zoom', $disabledredirecturl);

}

// Check if we are dealing with a recurring meeting with no fixed time.

if ($zoom->recurring && $zoom->recurrence_type == ZOOM_RECURRINGTYPE_NOTIME) {

    $errorredirecturl = new moodle_url('/mod/zoom/view.php', ['id' => $id]);

    throw new moodle_exception('err_downloadicalrecurringnofixed', 'mod_zoom', $errorredirecturl);

}

// Start ical file.

$ical = new iCalendar();

$ical->add_property('method', 'PUBLISH');

$ical->add_property('prodid', '-//Moodle Pty Ltd//NONSGML Moodle Version ' . $CFG->version . '//EN');

// Get the meeting invite note to add to the description property.

$meetinginvite = zoom_webservice()->get_meeting_invitation($zoom)->get_display_string($cm->id);

// Compute and add description property to event.

$convertedtext = html_to_text($zoom->intro);

$descriptiontext = get_string('calendardescriptionURL', 'mod_zoom', $CFG->wwwroot . '/mod/zoom/view.php?id=' . $cm->id);

if (!empty($convertedtext)) {

    $descriptiontext .= get_string('calendardescriptionintro', 'mod_zoom', $convertedtext);

}

if (!empty($meetinginvite)) {

    $descriptiontext .= "\n\n" . $meetinginvite;

}

// Get all occurrences of the meeting from the DB.

$params = ['modulename' => 'zoom', 'instance' => $zoom->id];

$events = $DB->get_records('event', $params, 'timestart ASC');

// If we haven't got at least a single occurrence.

if (empty($events)) {

    // We could handle this case in a nicer way ans return an empty iCal file without events,

    // but as this case should not happen in real life anyway, return a fatal error to make clear that something is wrong.

    $errorredirecturl = new moodle_url('/mod/zoom/view.php', ['id' => $id]);

    throw new moodle_exception('err_downloadicalrecurringempty', 'mod_zoom', $errorredirecturl);

}

// Iterate over all events.

// We will add each event as an individual iCal event.

foreach ($events as $event) {

    $icalevent = zoom_helper_icalendar_event($event, $descriptiontext);

    // Add the event to the iCal file.

    $ical->add_component($icalevent);

}

// Start output of iCal file.

$serialized = $ical->serialize();

$filename = 'icalexport.ics';

// Create headers.

header('Last-Modified: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');

header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=0');

header('Expires: ' . gmdate('D, d M Y H:i:s', 0) . 'GMT');

header('Pragma: no-cache');

header('Accept-Ranges: none'); // Comment out if PDFs do not work...

header('Content-disposition: attachment; filename=' . $filename);

header('Content-length: ' . strlen($serialized));

header('Content-type: text/calendar; charset=utf-8');

echo $serialized;