mirror of
https://github.com/Part-DB/Part-DB-server.git
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77 lines
2.5 KiB
PHP
77 lines
2.5 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
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*
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* Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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namespace App\Services\LogSystem;
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use Jfcherng\Diff\DiffHelper;
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class LogDiffFormatter
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{
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/**
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* Format the diff between the given data, depending on the type of the data.
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* If the diff is not possible, an empty string is returned.
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* @param $old_data
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* @param $new_data
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*/
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public function formatDiff($old_data, $new_data): string
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{
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if (is_string($old_data) && is_string($new_data)) {
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return $this->diffString($old_data, $new_data);
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}
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if (is_numeric($old_data) && is_numeric($new_data)) {
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return $this->diffNumeric($old_data, $new_data);
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}
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return '';
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}
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private function diffString(string $old_data, string $new_data): string
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{
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return DiffHelper::calculate($old_data, $new_data, 'Combined',
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[ //Diff options
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'context' => 2,
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],
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[ //Render options
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'detailLevel' => 'char',
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'showHeader' => false,
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]);
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}
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private function diffNumeric($old_data, $new_data): string
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{
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if ((!is_numeric($old_data)) || (!is_numeric($new_data))) {
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throw new \InvalidArgumentException('The given data is not numeric.');
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}
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$difference = $new_data - $old_data;
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//Positive difference
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if ($difference > 0) {
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return sprintf('<span class="text-success">+%s</span>', $difference);
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} elseif ($difference < 0) {
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return sprintf('<span class="text-danger">%s</span>', $difference);
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} else {
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return sprintf('<span class="text-muted">%s</span>', $difference);
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}
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}
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}
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