public void WriteRenta(int rentaId, string qrEncoded)
{
var qr = EreminQrService.GetPayload(qrEncoded);
var renta = Get <Renta>(p => p.Id == rentaId && p.HasQRWrite && string.IsNullOrEmpty(p.QRRecorded), r => r.Sku.Nomenklatura.Specialisation.ProductType);
if (renta == null)
{
throw new BillingNotFoundException($"offer {rentaId} записать на qr невозможно");
}
WriteRenta(renta, qr);
SaveContext();
}