// Method called when the user sends a message
public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid || string.IsNullOrWhiteSpace(Message.Text))
{
return(Page());
}
await _orderDialogResponseBuilder.StoreSendMessage(Message);
await _orderDialog.ProcessMessage(Message, HttpContext?.Session?.GetString("OrderId"));
return(RedirectToPage());
}
