Proyectos de Subversion Moodle

<?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/>.

/**

 * Delete group

 *

 * @package   core_group

 * @copyright 2008 The Open University, s.marshall AT open.ac.uk

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

 */

require_once('../config.php');

require_once('lib.php');

// Get and check parameters

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

$groupids = required_param('groups', PARAM_SEQUENCE);

$confirm = optional_param('confirm', 0, PARAM_BOOL);

$PAGE->set_url('/group/delete.php', array('courseid'=>$courseid,'groups'=>$groupids));

$PAGE->set_pagelayout('standard');

// Make sure course is OK and user has access to manage groups

if (!$course = $DB->get_record('course', array('id' => $courseid))) {

    throw new \moodle_exception('invalidcourseid');

}

require_login($course);

$context = context_course::instance($course->id);

require_capability('moodle/course:managegroups', $context);

$changeidnumber = has_capability('moodle/course:changeidnumber', $context);

// Make sure all groups are OK and belong to course

$groupidarray = explode(',',$groupids);

$groupnames = array();

foreach($groupidarray as $groupid) {

    if (!$group = $DB->get_record('groups', array('id' => $groupid))) {

        throw new \moodle_exception('invalidgroupid');

    }

    if (!empty($group->idnumber) && !$changeidnumber) {

        throw new \moodle_exception('grouphasidnumber', '', '', $group->name);

    }

    if ($courseid != $group->courseid) {

        throw new \moodle_exception('groupunknown', '', '', $group->courseid);

    }

    $groupnames[] = format_string($group->name);

}

$returnurl='index.php?id='.$course->id;

if(count($groupidarray)==0) {

    throw new \moodle_exception('errorselectsome', 'group', $returnurl);

}

if ($confirm && data_submitted()) {

    if (!confirm_sesskey() ) {

        throw new \moodle_exception('confirmsesskeybad', 'error', $returnurl);

    }

    foreach($groupidarray as $groupid) {

        groups_delete_group($groupid);

    }

    redirect($returnurl);

} else {

    $PAGE->set_title(get_string('deleteselectedgroup', 'group'));

    $PAGE->set_heading($course->fullname . ': '. get_string('deleteselectedgroup', 'group'));

    echo $OUTPUT->header();

    $optionsyes = array('courseid'=>$courseid, 'groups'=>$groupids, 'sesskey'=>sesskey(), 'confirm'=>1);

    $optionsno = array('id'=>$courseid);

    if(count($groupnames)==1) {

        $message=get_string('deletegroupconfirm', 'group', $groupnames[0]);

    } else {

        $message=get_string('deletegroupsconfirm', 'group').'<ul>';

        foreach($groupnames as $groupname) {

            $message.='<li>'.$groupname.'</li>';

        }

        $message.='</ul>';

    }

    $formcontinue = new single_button(new moodle_url('delete.php', $optionsyes), get_string('yes'), 'post');

    $formcancel = new single_button(new moodle_url('index.php', $optionsno), get_string('no'), 'get');

    echo $OUTPUT->confirm($message, $formcontinue, $formcancel);

    echo $OUTPUT->footer();

}