Add URL-based PDF generation support

src/Controllers/GenerateController.php

@@ -39,18 +39,25 @@ class GenerateController
         }
 
         // Valider les données
-        if (empty($data['html'])) {
-            $this->sendError(400, 'HTML content required');
+        if (empty($data['url']) && empty($data['html'])) {
+            $this->sendError(400, 'url or html required');
             return;
         }
 
         try {
             // Générer le PDF
-            $pdf = $this->generator->generate(
-                $data['html'],
-                $data['css'] ?? null,
-                $data['options'] ?? []
-            );
+            if (!empty($data['url'])) {
+                $pdf = $this->generator->generateFromUrl(
+                    $data['url'],
+                    $data['options'] ?? []
+                );
+            } else {
+                $pdf = $this->generator->generate(
+                    $data['html'],
+                    $data['css'] ?? null,
+                    $data['options'] ?? []
+                );
+            }
 
             // Retourner le PDF
             header('Content-Type: application/pdf');

src/Services/PdfGenerator.php

@@ -47,6 +47,41 @@ class PdfGenerator
         }
     }
 
+    public function generateFromUrl(string $url, array $options = []): string
+    {
+        $pdfFile = tempnam($this->config['tmp_dir'], 'pdf_') . '.pdf';
+
+        try {
+            $cmd = escapeshellcmd($this->config['pagedjs_bin']);
+            $cmd .= ' ' . escapeshellarg($url);
+            $cmd .= ' -o ' . escapeshellarg($pdfFile);
+
+            if (!empty($options['timeout'])) {
+                $cmd .= ' --timeout ' . (int)$options['timeout'];
+            } else {
+                $cmd .= ' --timeout ' . ($this->config['pagedjs_timeout'] * 1000);
+            }
+
+            $output = [];
+            $returnCode = 0;
+            exec($cmd . ' 2>&1', $output, $returnCode);
+
+            if ($returnCode !== 0) {
+                $this->log('Paged.js CLI error (URL): ' . implode("\n", $output));
+                throw new \Exception('PDF generation failed: ' . implode("\n", $output));
+            }
+
+            if (!file_exists($pdfFile)) {
+                throw new \Exception('PDF file not created');
+            }
+
+            return file_get_contents($pdfFile);
+
+        } finally {
+            @unlink($pdfFile);
+        }
+    }
+
     private function createTempFile(string $html, ?string $css): string
     {
         $fullHtml = $html;