vboxes fix

worker/app/storage/minio_client.py

@@ -180,6 +180,39 @@ async def upload_outbound_eml(
         raise
 
 
+async def download_attachment(storage_path: str) -> bytes:
+    """
+    Scarica un allegato da MinIO e restituisce i byte.
+
+    Args:
+        storage_path: percorso oggetto MinIO (senza bucket name)
+
+    Returns:
+        Byte del file scaricato
+
+    Raises:
+        Exception: se il download fallisce
+    """
+    client = get_minio_client()
+    bucket = settings.minio_bucket
+
+    try:
+        response = await client.get_object(
+            bucket_name=bucket,
+            object_name=storage_path,
+        )
+        data = await response.read()
+        response.close()
+        await response.release()
+        logger.debug(
+            f"Allegato scaricato: s3://{bucket}/{storage_path} ({len(data)} bytes)"
+        )
+        return data
+    except Exception as e:
+        logger.error(f"Errore download allegato {storage_path}: {e}")
+        raise
+
+
 async def ensure_bucket_exists() -> None:
     """Verifica che il bucket MinIO esista, altrimenti lo crea."""
     client = get_minio_client()