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Developer Documentation

See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
<?php

// This file is part of 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/>.

/**
 * This file is part of the Calendar section Moodle
 * It is responsible for deleting a calendar entry + optionally its repeats
 *
 * @copyright 2009 Sam Hemelryk
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 * @package calendar
 */

require_once('../config.php');
require_once($CFG->dirroot.'/calendar/event_form.php');
require_once($CFG->dirroot.'/calendar/lib.php');
require_once($CFG->dirroot.'/course/lib.php');
require_once($CFG->dirroot.'/calendar/renderer.php');

$eventid = required_param('id', PARAM_INT);
$confirm = optional_param('confirm', false, PARAM_BOOL);
$repeats = optional_param('repeats', false, PARAM_BOOL);
$courseid = optional_param('course', 0, PARAM_INT);

$PAGE->set_url('/calendar/delete.php', array('id'=>$eventid));

if(!$site = get_site()) {
    redirect(new moodle_url('/admin/index.php'));
}

$event = calendar_event::load($eventid);

/**
 * We are going to be picky here, and require that any event types other than
 * group and site be associated with a course. This means any code that is using
 * custom event types (and there are a few) will need to associate thier event with
 * a course
 */
if ($event->eventtype !== 'user' && $event->eventtype !== 'site') {
    $courseid = $event->courseid;
}
$course = $DB->get_record('course', array('id'=>$courseid));
require_login($course);
if (!$course) {
    $PAGE->set_context(context_system::instance()); //TODO: wrong
}
$title = get_string('deleteevent', 'calendar');
// Check the user has the required capabilities to delete an event
if (!calendar_delete_event_allowed($event)) {
< print_error('nopermissions', 'error', $PAGE->url, $title);
> throw new \moodle_exception('nopermissions', 'error', $PAGE->url, $title);
} // Count the repeats, do we need to consider the possibility of deleting repeats $event->timedurationuntil = $event->timestart + $event->timeduration; $event->count_repeats(); // Is used several times, and sometimes with modification if required $viewcalendarurl = new moodle_url(CALENDAR_URL.'view.php', array('view'=>'upcoming')); $viewcalendarurl->param('time', $event->timestart, '%Y'); // If confirm is set (PARAM_BOOL) then we have confirmation of initention to delete if ($confirm) { // Confirm the session key to stop CSRF if (!confirm_sesskey()) {
< print_error('confirmsesskeybad');
> throw new \moodle_exception('confirmsesskeybad');
} // Delete the event and possibly repeats $event->delete($repeats); // If the event has an associated course then we need to include it in the redirect link if (!empty($event->courseid) && $event->courseid > 0) { $viewcalendarurl->param('course', $event->courseid); } // And redirect redirect($viewcalendarurl); } // Prepare the page to show the confirmation form $strcalendar = get_string('calendar', 'calendar'); $PAGE->navbar->add($strcalendar, $viewcalendarurl); $PAGE->navbar->add($title);
< $PAGE->set_title($site->shortname.': '.$strcalendar.': '.$title);
> $PAGE->set_title($strcalendar.': '.$title);
$PAGE->set_heading($COURSE->fullname);
> if ($course) { echo $OUTPUT->header(); > $PAGE->set_secondary_navigation(false); echo $OUTPUT->box_start('eventlist'); > }
// Delete this event button is always shown $url = new moodle_url(CALENDAR_URL.'delete.php', array('id'=>$event->id, 'confirm'=>true)); $buttons = $OUTPUT->single_button($url, get_string('delete')); // And add the cancel button. $buttons .= $OUTPUT->single_button($viewcalendarurl, get_string('cancel')); // And show the buttons and notes. echo $OUTPUT->box_start('generalbox', 'notice'); echo html_writer::tag('p', get_string('confirmeventdelete', 'calendar', format_string($event->name))); // If there are repeated events then add a Delete Repeated button. if (!empty($event->eventrepeats) && $event->eventrepeats > 0) { $url = new moodle_url(CALENDAR_URL.'delete.php', array('id'=>$event->repeatid, 'confirm'=>true, 'repeats'=>true)); $buttons .= $OUTPUT->single_button($url, get_string('deleteall')); echo html_writer::tag('p', get_string('youcandeleteallrepeats', 'calendar', $event->eventrepeats)); } echo $OUTPUT->box($buttons, 'buttons'); echo $OUTPUT->box_end(); echo $OUTPUT->box_end(); echo $OUTPUT->footer();