Descarga de archivos implementada

backend/app/api/v1/endpoints/tickets.py

@@ -865,10 +865,16 @@ async def download_attachment(
     current_tenant: Tenant = Depends(get_current_tenant)
 ):
     """Descargar un archivo adjunto"""
+    import logging
+    logger = logging.getLogger(__name__)
+    
+    logger.info(f"Download request - ticket_id: {ticket_id}, attachment_id: {attachment_id}")
+    
     try:
         ticket_uuid = uuid.UUID(ticket_id)
         attachment_uuid = uuid.UUID(attachment_id)
     except ValueError:
+        logger.error(f"Invalid UUID format - ticket_id: {ticket_id}, attachment_id: {attachment_id}")
         raise HTTPException(status_code=400, detail="ID inválido")
     
     # Verificar ticket
@@ -878,6 +884,7 @@ async def download_attachment(
     ticket = result.scalar_one_or_none()
     
     if not ticket:
+        logger.error(f"Ticket not found - ticket_id: {ticket_id}")
         raise HTTPException(status_code=404, detail="Ticket no encontrado")
     
     # Obtener attachment
@@ -888,12 +895,26 @@ async def download_attachment(
     attachment = result.scalar_one_or_none()
     
     if not attachment:
+        logger.error(f"Attachment not found - attachment_id: {attachment_id}")
         raise HTTPException(status_code=404, detail="Adjunto no encontrado")
     
+    logger.info(f"Attachment found - file_path: {attachment.file_path}, original_filename: {attachment.original_filename}")
+    
     # Obtener path del archivo
-    file_path = file_handler.get_file_path(attachment.file_path)
+    try:
+        file_path = file_handler.get_file_path(attachment.file_path)
+        logger.info(f"Absolute file path: {file_path}")
+        
+        if not file_path.exists():
+            logger.error(f"File does not exist at path: {file_path}")
+            raise HTTPException(status_code=404, detail="Archivo no encontrado en el sistema")
+            
+    except Exception as e:
+        logger.error(f"Error getting file path: {str(e)}")
+        raise
     
     # Retornar archivo
+    logger.info(f"Returning file: {attachment.original_filename}")
     return FileResponse(
         path=file_path,
         filename=attachment.original_filename,