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api/version/media-url.php

@@ -101,6 +101,42 @@ if (!$mediaId && !$providedUrl) {
     exit;
 }
 
+// ── PRIORIDAD: Buscar archivo local en BD antes de consultar Graph API ──
+if ($mediaId) {
+    try {
+        $db = Database::getInstance();
+        // Buscar por media_url (que almacena el media ID) o por whatsapp_media_id
+        $row = $db->fetchOne(
+            "SELECT local_file, local_thumb, mime_type, filename FROM conversations WHERE (media_url = :mid OR whatsapp_media_id = :mid2) AND local_file IS NOT NULL AND local_file != '' ORDER BY id DESC LIMIT 1",
+            ['mid' => $mediaId, 'mid2' => $mediaId]
+        );
+        if ($row && !empty($row['local_file'])) {
+            $localPath = realpath(__DIR__ . '/../../' . ltrim($row['local_file'], '/'));
+            $base = realpath(__DIR__ . '/../../uploads');
+            if ($localPath && strpos($localPath, $base) === 0 && file_exists($localPath)) {
+                media_log("Serving local file for media ID {$mediaId}: {$localPath}");
+                $finfo = finfo_open(FILEINFO_MIME_TYPE);
+                $ctype = finfo_file($finfo, $localPath) ?: ($row['mime_type'] ?? 'application/octet-stream');
+                finfo_close($finfo);
+                
+                header_remove('Content-Type');
+                header('Cache-Control: public, max-age=86400');
+                header('Content-Type: ' . $ctype);
+                header('Content-Length: ' . filesize($localPath));
+                if ($download) {
+                    $fname = $row['filename'] ?: basename($localPath);
+                    header('Content-Disposition: attachment; filename="' . $fname . '"');
+                }
+                readfile($localPath);
+                exit;
+            }
+        }
+    } catch (Exception $e) {
+        media_log("Error buscando local_file en BD: " . $e->getMessage());
+        // Continuar con Graph API como fallback
+    }
+}
+
 $mediaUrl = null;
 
 if ($providedUrl) {