editcompletion.php

<?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/>.

/**
 * Manually edit completion date for a course.
 *
 * @copyright 2020 Catalyst IT
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 * @package local_recompletion
 */

require_once('../../config.php');
require_once($CFG->dirroot.'/local/recompletion/locallib.php');

$courseid = required_param('id', PARAM_INT);
$userid   = optional_param('user', 0, PARAM_INT);
$users   = optional_param_array('users', array(), PARAM_INT);

$course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
require_login($course);

$context = context_course::instance($course->id);
require_capability('local/recompletion:manage', $context);

$PAGE->set_url('/local/recompletion/editcompletion.php', array('id' => $course->id));
if (empty($users) && empty($userid)) {
    // The first time list hack.
    if ($post = data_submitted()) {
        foreach ($post as $k => $v) {
            if (preg_match('/^user(\d+)$/', $k, $m)) {
                $users[] = $m[1];
            }
        }
    }
    if (empty($users)) {
        redirect($CFG->wwwroot.'/local/recompletion/participants.php?id='.$course->id,
            get_string('nousersselected', 'local_recompletion'));
    }

}
if (empty($users)) {
    $users = array();
    $users[] = $userid;
    // Get this users current completion date and use that in the form.
    $params = array(
        'userid'    => $userid,
        'course'    => $courseid
    );
    $ccompletion = new \completion_completion($params);
    if ($ccompletion->is_complete()) {
        $date = $ccompletion->timecompleted;
    }
}
if (empty($date)) {
    // Use current time as default.
    $date = time();
}

// Function to reset completion for $users.
$resetcompletion = optional_param('reset_completion', 0, PARAM_BOOL);
if ($resetcompletion && confirm_sesskey()) {
    $config = local_recompletion_get_config($course);

    foreach ($users as $user) {
        $userid = $user;
        $reset = new local_recompletion\task\check_recompletion();
        $errors = $reset->reset_user($userid, $course, $config);
    }

    redirect($CFG->wwwroot.'/local/recompletion/participants.php?id='.$course->id,
        get_string('completionreset', 'local_recompletion'));
}

$form = new local_recompletion_coursecompletion_form('editcompletion.php', [
    'course' => $courseid,
    'users' => $users,
    'date' => $date,
]);

if ($form->is_cancelled()) {
    redirect($CFG->wwwroot . '/local/recompletion/participants.php?id=' . $course->id);
} else if ($data = $form->get_data()) {
    if (!empty($data->newcompletion)) {
        // Update course completion.
        local_recompletion_update_course_completion($courseid, $users, $data->newcompletion);
        redirect($CFG->wwwroot . '/local/recompletion/participants.php?id=' . $course->id,
            get_string('completionupdated', 'local_recompletion'));
    }
}

$userlist = user_get_users_by_id($users);

echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('editcompletion', 'local_recompletion'));
echo $OUTPUT->box(get_string('editcompletion_desc', 'local_recompletion'));

echo html_writer::start_div('userlist');
foreach ($userlist as $user) {
    echo html_writer::div(fullname($user));
}
echo html_writer::end_div();

echo html_writer::start_div('userform');
$form->display();
echo html_writer::end_div();

echo $OUTPUT->footer();