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changeallgroups.php
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changeallgroups.php
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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/>.
/**
* File which changes the visibility of groups.
*
* @package block_groups
* @category upgrade
* @copyright 2016 N Herrmann
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../../config.php');
require_login();
$courseid = required_param('courseid', PARAM_INT);
$hide = required_param('hide', PARAM_INT);
$PAGE->set_url('/blocks/groups/changeallgroups.php');
// In Case the given id of the course is not available in the database exit message is shown.
if (empty($DB->get_record('course', ['id' => $courseid]))) {
exit(get_string('nocourse', 'block_groups'));
}
$PAGE->set_context(context_course::instance($courseid));
// Check for capability beforehand not possible since a context is needed.
require_capability('moodle/course:managegroups', context_course::instance($courseid));
// Get all groups of the selected course.
$groupsuitable = $DB->get_records('groups', ['courseid' => $courseid]);
// The Course has no groups therefore changing all is not possible.
if (empty($groupsuitable)) {
notice(get_string('nogroups', 'block_groups'),
$CFG->wwwroot . '/course/view.php?id=' . $courseid);
exit();
}
$groups = [];
$groupsvisible = [];
foreach ($groupsuitable as $group) {
$entry = $DB->get_records('block_groups_hide', ['id' => $group->id]);
// In the Case, that the group of the course has an entry in the 'block_groups_hide' table the group is visible.
if (!empty($entry)) {
$groupsvisible[$group->id] = $group->id;
}
}
$groups = $groupsvisible;
$messageaction = 'hidden';
if ($hide === 0) {
$messageaction = 'visible';
$tempgroup = [];
foreach ($groupsuitable as $group) {
if (!empty($groupsvisible)) {
if (!(in_array($group->id, $groups))) {
$tempgroup[$group->id] = $group->id;
}
} else {
$tempgroup[$group->id] = $group->id;
}
}
$groups = $tempgroup;
}
if (empty($groups)) {
// Shows course page with warning message.
redirect($CFG->wwwroot . '/course/view.php?id=' . $courseid,
get_string('allgroupsinstate' . $messageaction, 'block_groups'),
null, \core\output\notification::NOTIFY_WARNING);
exit();
}
require_once($CFG->dirroot.'/blocks/groups/locallib.php');
foreach ($groups as $group) {
block_groups_db_transaction_change_visibility($group, $courseid);
}
// Shows course page with success message.
redirect($CFG->wwwroot . '/course/view.php?id=' . $courseid,
get_string('groupschanged' . $messageaction, 'block_groups'),
null, \core\output\notification::NOTIFY_SUCCESS);
exit();