view.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/>.

/**
 * View merging logs.
 *
 * @package   tool_mergeusers
 * @author    Jordi Pujol Ahulló <jordi.pujol@urv.cat>
 * @copyright Universitat Rovira i Virgili (https://www.urv.cat)
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

use tool_mergeusers\local\logger;
use tool_mergeusers\output\renderer;

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

global $CFG, $PAGE;

// Report all PHP errors.
error_reporting(E_ALL);
ini_set('display_errors', 'On');

require_once($CFG->libdir . '/adminlib.php');

require_login();
require_capability('tool/mergeusers:mergeusers', context_system::instance());

admin_externalpage_setup('tool_mergeusers_viewlog');

$logger = new logger();

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

if ($export) {
    require_once($CFG->dirroot . '/lib/csvlib.class.php');
    $csv = new csv_export_writer();
    $logs = $logger->get();
    $headings = ['id', 'touserid', 'to', 'fromuserid', 'from', 'mergedbyuserid', 'mergedby', 'success', 'timemodified'];
    $csv->add_data($headings);
    foreach ($logs as $log) {
        $successstringid = $log->success ? 'eventusermergedsuccess' : 'eventusermergedfailure';
        $successstring = get_string($successstringid, 'tool_mergeusers');
        $exportlog = [
            $log->id,
            $log->touserid,
            fullname($log->to),
            $log->fromuserid,
            fullname($log->from),
            $log->mergedbyuserid,
            ($log->mergedby) ? fullname($log->mergedby) : null,
            $successstring,
            userdate($log->timemodified),
        ];
        $csv->add_data($exportlog);
    }

    $csv->download_file();
}

// phpcs:disable
/**
 * @var renderer $renderer
 */
$renderer = $PAGE->get_renderer('tool_mergeusers');
// phpcs:enable

echo $renderer->logs_page($logger->get());