CashChequePrinting on reversal

Notification about printing a receipt upon payment CashChequePrinting, allowing you to expand the markup of the receipt in the header and footer, starting from version SyrvePOS 8.5.1 it will also be generated when canceling (returning) an order.

Example:

public sealed class CashChequePrintingHandler : IDisposable
{
    private readonly IDisposable subscription;

    public CashChequePrintingHandler()
    {
        subscription = PluginContext.Notifications.CashChequePrinting.Subscribe(OnCashChequePrinting);
    }

    private static CashCheque OnCashChequePrinting(Guid orderId)
    {
        PluginContext.Log.Info("On cash cheque printing subscription.");

        var order = PluginContext.Operations.GetOrderById(orderId);
        var message = order.Status == OrderStatus.Closed
            ? $"Order #{order.Number} storno."
            : $"Order #{order.Number} pay.";
        
        return new CashCheque
        {
            BeforeCheque = new XElement(Tags.Center, message),
            AfterCheque = new XElement(Tags.QRCode, message)
        };
    }

    public void Dispose()
    {
        try
        {
            subscription.Dispose();
        }
        catch (RemotingException)
        {
            // nothing to do with the lost connection
        }
    }
}