mirror of
https://github.com/Part-DB/Part-DB-server.git
synced 2025-06-21 01:25:55 +02:00
111 lines
3.9 KiB
PHP
111 lines
3.9 KiB
PHP
<?php
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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 - 2022 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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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 - 2022 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\LabelSystem;
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use App\Entity\LabelSystem\LabelOptions;
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use App\Entity\Parts\Part;
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use App\Entity\Parts\PartLot;
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use App\Entity\Parts\Storelocation;
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use Dompdf\Dompdf;
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use InvalidArgumentException;
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/**
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* @see \App\Tests\Services\LabelSystem\LabelGeneratorTest
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*/
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final class LabelGenerator
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{
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public const MM_TO_POINTS_FACTOR = 2.83465;
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public function __construct(private readonly LabelHTMLGenerator $labelHTMLGenerator)
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{
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}
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/**
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* @param object|object[] $elements An element or an array of elements for which labels should be generated
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*/
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public function generateLabel(LabelOptions $options, object|array $elements): string
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{
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if (!is_array($elements) && !is_object($elements)) {
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throw new InvalidArgumentException('$element must be an object or an array of objects!');
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}
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if (!is_array($elements)) {
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$elements = [$elements];
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}
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foreach ($elements as $element) {
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if (!$this->supports($options, $element)) {
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throw new InvalidArgumentException('The given options are not compatible with the given element!');
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}
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}
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$dompdf = new Dompdf();
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$dompdf->setPaper($this->mmToPointsArray($options->getWidth(), $options->getHeight()));
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$dompdf->loadHtml($this->labelHTMLGenerator->getLabelHTML($options, $elements));
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$dompdf->render();
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return $dompdf->output() ?? throw new \RuntimeException('Could not generate label!');
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}
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/**
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* Check if the given LabelOptions can be used with $element.
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*/
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public function supports(LabelOptions $options, object $element): bool
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{
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$supported_type = $options->getSupportedElement();
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return is_a($element, $supported_type->getEntityClass());
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}
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/**
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* Converts width and height given in mm to a size array, that can be used by DOMPDF for page size.
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*
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* @param float $width The width of the paper
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* @param float $height The height of the paper
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*
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* @return float[]
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*/
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public function mmToPointsArray(float $width, float $height): array
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{
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return [0.0, 0.0, $width * self::MM_TO_POINTS_FACTOR, $height * self::MM_TO_POINTS_FACTOR];
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}
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}
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