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<?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/>.
/**
* Allows the user to manage calendar subscriptions.
*
* @copyright 2012 Jonathan Harker
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @package calendar
*/
require_once('../config.php');
require_once($CFG->libdir.'/bennu/bennu.inc.php');
require_once($CFG->dirroot.'/course/lib.php');
require_once($CFG->dirroot.'/calendar/lib.php');
// Required use.
$courseid = optional_param('course', null, PARAM_INT);
$categoryid = optional_param('category', null, PARAM_INT);
// Used for processing subscription actions.
$subscriptionid = optional_param('id', 0, PARAM_INT);
$pollinterval = optional_param('pollinterval', 0, PARAM_INT);
$groupcourseid = optional_param('groupcourseid', 0, PARAM_INT);
$action = optional_param('action', '', PARAM_INT);
$url = new moodle_url('/calendar/managesubscriptions.php');
if ($courseid != SITEID) {
$url->param('course', $courseid);
}
if ($categoryid) {
$url->param('categoryid', $categoryid);
}
navigation_node::override_active_url(new moodle_url('/calendar/view.php', array('view' => 'month')));
$PAGE->set_url($url);
$PAGE->set_pagelayout('admin');
$PAGE->navbar->add(get_string('managesubscriptions', 'calendar'));
if ($courseid != SITEID && !empty($courseid)) {
// Course ID must be valid and existing.
$course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
$courses = array($course->id => $course);
} else {
$course = get_site();
$courses = calendar_get_default_courses();
}
require_login($course, false);
if (!calendar_user_can_add_event($course)) {
print_error('errorcannotimport', 'calendar');
}
// Populate the 'group' select box based on the given 'groupcourseid', if necessary.
$groups = [];
if (!empty($groupcourseid)) {
require_once($CFG->libdir . '/grouplib.php');
$groupcoursedata = groups_get_course_data($groupcourseid);
if (!empty($groupcoursedata->groups)) {
foreach ($groupcoursedata->groups as $groupid => $groupdata) {
$groups[$groupid] = $groupdata->name;
}
}
}
$customdata = [
'courseid' => $course->id,
'groups' => $groups,
];
$form = new \core_calendar\local\event\forms\managesubscriptions(null, $customdata);
$form->set_data(array(
'course' => $course->id
));
$importresults = '';
$formdata = $form->get_data();
if (!empty($formdata)) {
require_sesskey(); // Must have sesskey for all actions.
$subscriptionid = calendar_add_subscription($formdata);
if ($formdata->importfrom == CALENDAR_IMPORT_FROM_FILE) {
// Blank the URL if it's a file import.
$formdata->url = '';
$calendar = $form->get_file_content('importfile');
$ical = new iCalendar();
$ical->unserialize($calendar);
$importresults = calendar_import_icalendar_events($ical, null, $subscriptionid);
} else {
try {
$importresults = calendar_update_subscription_events($subscriptionid);
} catch (moodle_exception $e) {
// Delete newly added subscription and show invalid url error.
calendar_delete_subscription($subscriptionid);
print_error($e->errorcode, $e->module, $PAGE->url);
}
}
// Redirect to prevent refresh issues.
redirect($PAGE->url, $importresults);
} else if (!empty($subscriptionid)) {
// The user is wanting to perform an action upon an existing subscription.
require_sesskey(); // Must have sesskey for all actions.
if (calendar_can_edit_subscription($subscriptionid)) {
try {
$importresults = calendar_process_subscription_row($subscriptionid, $pollinterval, $action);
} catch (moodle_exception $e) {
// If exception caught, then user should be redirected to page where he/she came from.
print_error($e->errorcode, $e->module, $PAGE->url);
}
} else {
print_error('nopermissions', 'error', $PAGE->url, get_string('managesubscriptions', 'calendar'));
}
}
$types = calendar_get_allowed_event_types($courseid);
$searches = [];
$params = [];
$usedefaultfilters = true;
if (!empty($types['site'])) {
$searches[] = "(eventtype = 'site')";
$usedefaultfilters = false;
}
if (!empty($types['user'])) {
$searches[] = "(eventtype = 'user' AND userid = :userid)";
$params['userid'] = $USER->id;
$usedefaultfilters = false;
}
if (!empty($courseid) && !empty($types['course'])) {
$searches[] = "((eventtype = 'course' OR eventtype = 'group') AND courseid = :courseid)";
$params += ['courseid' => $courseid];
$usedefaultfilters = false;
}
if (!empty($types['category'])) {
if (!empty($categoryid)) {
$searches[] = "(eventtype = 'category' AND categoryid = :categoryid)";
$params += ['categoryid' => $categoryid];
} else {
$searches[] = "(eventtype = 'category')";
}
$usedefaultfilters = false;
}
if ($usedefaultfilters) {
$searches[] = "(eventtype = 'user' AND userid = :userid)";
$params['userid'] = $USER->id;
if (!empty($types['site'])) {
$searches[] = "(eventtype = 'site' AND courseid = :siteid)";
$params += ['siteid' => SITEID];
}
if (!empty($types['course'])) {
$courses = calendar_get_default_courses(null, 'id', true);
if (!empty($courses)) {
$courseids = array_map(function ($c) {
return $c->id;
}, $courses);
list($courseinsql, $courseparams) = $DB->get_in_or_equal($courseids, SQL_PARAMS_NAMED, 'course');
$searches[] = "((eventtype = 'course' OR eventtype = 'group') AND courseid {$courseinsql})";
$params += $courseparams;
}
}
if (!empty($types['category'])) {
list($categoryinsql, $categoryparams) = $DB->get_in_or_equal(
array_keys(\core_course_category::make_categories_list('moodle/category:manage')), SQL_PARAMS_NAMED, 'category');
$searches[] = "(eventtype = 'category' AND categoryid {$categoryinsql})";
$params += $categoryparams;
}
}
$sql = "SELECT * FROM {event_subscriptions} WHERE " . implode(' OR ', $searches);;
$subscriptions = $DB->get_records_sql($sql, $params);
// Print title and header.
$PAGE->set_title("$course->shortname: ".get_string('calendar', 'calendar').": ".get_string('subscriptions', 'calendar'));
$PAGE->set_heading($course->fullname);
$renderer = $PAGE->get_renderer('core_calendar');
echo $OUTPUT->header();
// Filter subscriptions which user can't edit.
foreach($subscriptions as $subscription) {
if (!calendar_can_edit_subscription($subscription)) {
unset($subscriptions[$subscription->id]);
}
}
// Display a table of subscriptions.
echo $renderer->subscription_details($courseid, $subscriptions, $importresults);
// Display the add subscription form.
$form->display();
echo $OUTPUT->footer();