2025-11-28 15:38:02 +01:00
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<?php
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namespace Web2Print\Services;
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class PdfGenerator
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{
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private array $config;
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public function __construct(array $config)
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{
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$this->config = $config;
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}
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public function generate(string $html, ?string $css = null, array $options = []): string
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{
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// Créer un fichier HTML temporaire
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$htmlFile = $this->createTempFile($html, $css);
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$pdfFile = tempnam($this->config['tmp_dir'], 'pdf_') . '.pdf';
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try {
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// Construire la commande Paged.js CLI
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$command = $this->buildCommand($htmlFile, $pdfFile, $options);
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// Exécuter Paged.js CLI
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$output = [];
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$returnCode = 0;
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exec($command . ' 2>&1', $output, $returnCode);
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if ($returnCode !== 0) {
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$this->log('Paged.js CLI error: ' . implode("\n", $output));
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throw new \Exception('PDF generation failed: ' . implode("\n", $output));
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}
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// Lire le PDF généré
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if (!file_exists($pdfFile)) {
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throw new \Exception('PDF file not created');
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}
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$pdfContent = file_get_contents($pdfFile);
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return $pdfContent;
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} finally {
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// Nettoyer les fichiers temporaires
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@unlink($htmlFile);
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@unlink($pdfFile);
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}
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}
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2026-03-05 08:08:38 +01:00
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public function generateFromUrl(string $url, array $options = []): string
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{
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$pdfFile = tempnam($this->config['tmp_dir'], 'pdf_') . '.pdf';
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try {
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$cmd = escapeshellcmd($this->config['pagedjs_bin']);
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$cmd .= ' ' . escapeshellarg($url);
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$cmd .= ' -o ' . escapeshellarg($pdfFile);
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if (!empty($options['timeout'])) {
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$cmd .= ' --timeout ' . (int)$options['timeout'];
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} else {
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$cmd .= ' --timeout ' . ($this->config['pagedjs_timeout'] * 1000);
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}
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$output = [];
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$returnCode = 0;
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exec($cmd . ' 2>&1', $output, $returnCode);
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if ($returnCode !== 0) {
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$this->log('Paged.js CLI error (URL): ' . implode("\n", $output));
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throw new \Exception('PDF generation failed: ' . implode("\n", $output));
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}
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if (!file_exists($pdfFile)) {
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throw new \Exception('PDF file not created');
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}
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return file_get_contents($pdfFile);
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} finally {
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@unlink($pdfFile);
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}
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}
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2025-11-28 15:38:02 +01:00
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private function createTempFile(string $html, ?string $css): string
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{
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$fullHtml = $html;
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// Injecter le CSS dans le HTML si fourni
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if ($css) {
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$styleTag = "<style>{$css}</style>";
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if (stripos($html, '</head>') !== false) {
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$fullHtml = str_ireplace('</head>', $styleTag . '</head>', $html);
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} else {
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// Si pas de <head>, créer une structure HTML complète
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$fullHtml = "<!DOCTYPE html><html><head><meta charset='utf-8'>{$styleTag}</head><body>{$html}</body></html>";
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}
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}
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// S'assurer que le HTML a une structure complète
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if (stripos($fullHtml, '<!DOCTYPE') === false) {
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$fullHtml = "<!DOCTYPE html><html><head><meta charset='utf-8'></head><body>{$fullHtml}</body></html>";
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}
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$tempFile = tempnam($this->config['tmp_dir'], 'html_') . '.html';
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file_put_contents($tempFile, $fullHtml);
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return $tempFile;
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}
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private function buildCommand(string $htmlFile, string $pdfFile, array $options): string
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{
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$cmd = escapeshellcmd($this->config['pagedjs_bin']);
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$cmd .= ' ' . escapeshellarg($htmlFile);
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$cmd .= ' -o ' . escapeshellarg($pdfFile);
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// Options supplémentaires pour Paged.js CLI
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// Note: Paged.js utilise les règles CSS @page pour le format
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// Les options sont limitées dans la CLI
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// Timeout (millisecondes)
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if (!empty($options['timeout'])) {
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$cmd .= ' --timeout ' . (int)$options['timeout'];
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} else {
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$cmd .= ' --timeout ' . ($this->config['pagedjs_timeout'] * 1000);
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}
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return $cmd;
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}
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private function log(string $message): void
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{
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$timestamp = date('Y-m-d H:i:s');
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$logMessage = "[{$timestamp}] {$message}\n";
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file_put_contents($this->config['log_file'], $logMessage, FILE_APPEND);
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}
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}
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