index.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/>.

/**
 * @package    local
 * @subpackage dataparticipants
 * @copyright  2019 Institut Obert de Catalunya
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require(__DIR__ . '/../../../config.php');
require_once($CFG->dirroot.'/admin/tool/dataparticipants/lib.php');
require_once($CFG->libdir.'/adminlib.php');

$page = optional_param('page', 0, PARAM_INT);

admin_externalpage_setup('tooldataparticipants');

require_capability('tool/dataparticipants:manage', context_system::instance());

$output = $PAGE->get_renderer('tool_dataparticipants');

$tasks = $DB->get_records('tool_dataparticipants', null, '', '*', $page * PAGENUM, PAGENUM);
$total = $DB->count_records('tool_dataparticipants');

$params = array();
if ($page) {
    $params['page'] = $page;
}
$baseurl = new moodle_url('/admin/tool/dataparticipants/index.php', $params);

// output starts here
echo $output->header();
echo $output->heading(get_string('pluginname', 'tool_dataparticipants'));
echo $output->single_button(new moodle_url('dataparticipants_task.php'), get_string('add'));
echo $output->paging_bar($total, $page, PAGENUM, $baseurl);
echo $output->tasks_table($tasks, $page);
echo $output->paging_bar($total, $page, PAGENUM, $baseurl);
echo $output->footer();