86 lines
2.9 KiB
PHP
86 lines
2.9 KiB
PHP
<?php
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/*
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* Copyright (C) 2023 Xibo Signage Ltd
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*
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* Xibo - Digital Signage - https://xibosignage.com
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*
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* This file is part of Xibo.
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*
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* Xibo 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 by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* Xibo 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 Xibo. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace Xibo\Widget;
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use Carbon\Carbon;
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use Mpdf\Mpdf;
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use Xibo\Widget\Provider\DataProviderInterface;
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use Xibo\Widget\Provider\DurationProviderInterface;
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use Xibo\Widget\Provider\WidgetProviderInterface;
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use Xibo\Widget\Provider\WidgetProviderTrait;
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/**
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* PDF provider to calculate the duration if durationIsPerItem is selected.
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*/
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class PdfProvider implements WidgetProviderInterface
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{
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use WidgetProviderTrait;
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public function fetchData(DataProviderInterface $dataProvider): WidgetProviderInterface
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{
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return $this;
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}
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public function fetchDuration(DurationProviderInterface $durationProvider): WidgetProviderInterface
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{
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$widget = $durationProvider->getWidget();
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if ($widget->getOptionValue('durationIsPerItem', 0) == 1) {
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// Do we already have an option stored for the number of pages?
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$pageCount = 1;
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$cachedPageCount = $widget->getOptionValue('pageCount', null);
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if ($cachedPageCount === null) {
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try {
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$sourceFile = $widget->getPrimaryMediaPath();
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$this->getLog()->debug('fetchDuration: loading PDF file to get the number of pages, file: '
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. $sourceFile);
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$mPdf = new Mpdf([
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'tempDir' => $widget->getLibraryTempPath(),
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]);
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$pageCount = $mPdf->setSourceFile($sourceFile);
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$widget->setOptionValue('pageCount', 'attrib', $pageCount);
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} catch (\Exception $e) {
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$this->getLog()->error('fetchDuration: unable to get PDF page count, e: ' . $e->getMessage());
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}
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} else {
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$pageCount = $cachedPageCount;
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}
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$durationProvider->setDuration($durationProvider->getWidget()->calculatedDuration * $pageCount);
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}
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return $this;
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}
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public function getDataCacheKey(DataProviderInterface $dataProvider): ?string
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{
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return null;
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}
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public function getDataModifiedDt(DataProviderInterface $dataProvider): ?Carbon
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{
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return null;
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}
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}
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