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https://github.com/InvoiceShelf/InvoiceShelf.git
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773670c18f
Generated files carried no document properties at all, so an archive of them showed a column of blank titles and no author. Title, Subject, Author and Creator are now written from the document number and company, on both drivers: dompdf via addInfo(), Gotenberg via metadata(). dompdf needed more than the API call. It reads Title from the <title> element during render(), which happens after addInfo(), so metadata set through the API alone was silently overwritten by whatever the template put there and the two drivers disagreed about what the file was called. The title is written into the markup as well, escaped. Also adds an archival format setting for Gotenberg: off, PDF/A-1b, -2b or -3b. PDF/A-3 is what the EU e-invoicing formats expect. Verified against a stock gotenberg:8 -- LibreOffice inside the image does the conversion and the output carries the right pdfaid:part in its XMP -- so no extra components are needed. A fixed list rather than free text, because the SDK forwards whatever it is given and an unsupported value would surface only as an HTTP error from the service at render time. Empty is a real choice meaning an ordinary PDF, so it overrides an env default rather than falling through it. Gotenberg only: dompdf cannot produce PDF/A. Claude-Session: https://claude.ai/code/session_01QmECndmNZwzN65Zz9P87dF
92 lines
2.9 KiB
PHP
92 lines
2.9 KiB
PHP
<?php
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namespace App\Support\Pdf;
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use Barryvdh\DomPDF\PDF;
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use Illuminate\Support\Facades\App;
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/**
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* The dompdf half of {@see PdfDriver}.
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*
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* Previously the factory returned `dompdf.wrapper` straight from the container,
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* which left no place to apply anything InvoiceShelf decides — paper size and
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* orientation were whatever `config/dompdf.php` baked in, and margins were
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* dompdf's own stylesheet default. This class is that place.
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*/
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class DompdfDriver implements PdfDriver
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{
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public function loadView(string $template, array $metadata = []): ResponseStream
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{
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$page = PdfPageSetup::fromConfig();
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$html = $this->withPageMargins(view($template)->render(), $page);
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$html = $this->withDocumentTitle($html, $metadata['Title'] ?? null);
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$pdf = $this->wrapper();
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$pdf->setPaper($page->dompdfPaper(), $page->orientation);
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$pdf->loadHTML($html);
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if ($metadata !== []) {
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$pdf->addInfo($metadata);
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}
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return new DompdfResponse($pdf);
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}
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/**
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* dompdf exposes no margin API — the page box comes from an `@page` rule, so
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* CSS is the only lever (see PdfPageSetup::marginCss).
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*
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* Injected at the top of <head> rather than the bottom so a template that
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* declares its own `@page` still wins, later rules of equal specificity
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* taking precedence. Prepending is the fallback for markup with no <head>,
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* which dompdf tolerates.
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*/
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private function withPageMargins(string $html, PdfPageSetup $page): string
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{
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$style = '<style>@page { margin: '.$page->marginCss().'; }</style>';
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$injected = preg_replace('/(<head\b[^>]*>)/i', '$1'.$style, $html, 1, $count);
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return $count ? $injected : $style.$html;
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}
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/**
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* dompdf reads the document Title from the <title> element during render(),
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* which happens after any addInfo() call, so metadata set through the API is
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* silently overwritten by whatever the template happened to put there. The
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* only way to make the two drivers agree on the title is to write it into
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* the markup.
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*/
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private function withDocumentTitle(string $html, ?string $title): string
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{
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if ($title === null || $title === '') {
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return $html;
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}
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$escaped = htmlspecialchars($title, ENT_QUOTES | ENT_HTML5, 'UTF-8');
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$replaced = preg_replace(
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'#<title\b[^>]*>.*?</title>#is',
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"<title>{$escaped}</title>",
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$html,
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1,
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$count
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);
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if ($count) {
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return $replaced;
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}
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// No <title> to replace, so add one. dompdf only looks inside <head>.
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$injected = preg_replace('/(<head\b[^>]*>)/i', "$1<title>{$escaped}</title>", $html, 1, $count);
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return $count ? $injected : $html;
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}
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protected function wrapper(): PDF
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{
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return App::make('dompdf.wrapper');
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}
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}
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