<?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/>.

/**
 * Bulk activity completion selection
 *
 * @package     core_completion
 * @copyright   2017 Marina Glancy
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once(__DIR__ . "/../config.php");
require_once($CFG->libdir . '/completionlib.php');

$courseid = required_param('id', PARAM_INT);
$cmids = optional_param_array('cmid', [], PARAM_INT);
$course = get_course($courseid);
require_login($course);

navigation_node::override_active_url(new moodle_url('/course/completion.php', array('id' => $course->id)));
$PAGE->set_url(new moodle_url('/course/editbulkcompletion.php', ['id' => $courseid]));
$PAGE->set_title($course->shortname);
$PAGE->set_heading($course->fullname);
$PAGE->set_pagelayout('admin');

if (!core_completion\manager::can_edit_bulk_completion($course)) {
    require_capability('moodle/course:manageactivities', context_course::instance($course->id));
}

// Prepare list of modules to be updated.
$modinfo = get_fast_modinfo($courseid);
$cms = [];
foreach ($cmids as $cmid) {
    $cm = $modinfo->get_cm($cmid);
    if (core_completion\manager::can_edit_bulk_completion($course, $cm)) {
        $cms[$cm->id] = $cm;
    }
}

$returnurl = new moodle_url('/course/bulkcompletion.php', ['id' => $course->id]);
$manager = new \core_completion\manager($course->id);
if (empty($cms)) {
    redirect($returnurl);
}
$form = new core_completion_bulkedit_form(null, ['cms' => $cms]);

if ($form->is_cancelled()) {
    redirect($returnurl);
} else if ($data = $form->get_data()) {
    $manager->apply_completion($data, $form->has_custom_completion_rules());
    redirect($returnurl);
}

$renderer = $PAGE->get_renderer('core_course', 'bulk_activity_completion');

echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('bulkactivitycompletion', 'completion'));

echo $renderer->navigation($course, 'bulkcompletion');

echo $renderer->edit_bulk_completion($form, $manager->get_activities(array_keys($cms)));

echo $OUTPUT->footer();