public async Task <Order> ConfirmOrderAsync(int orderId, int librarianId)
{
Order orderInDb = await _orderRepo.GetByIdToEditAsync(orderId);
if (orderInDb == null)
{
throw new ApiException(MessagesResource.ORDER_NOT_FOUND, 404);
}
orderInDb.LibrarianId = librarianId;
orderInDb.IsBorrowed = true;
return(await _orderRepo.EditAsync(orderInDb));
}