//TODO: performance optimize this method to cancel tickets in bulk
public CancelTicketResponse CancelAndRefundTicket(long hostId, long ticketId, out string status)
{
CancelTicketResponse result = null;
AdmissionServices admissionServices = new AdmissionServices();
//Get ticket info
var ticket = admissionServices.GetTicketById(ticketId);
if (ticket == null)
{
status = CancelTicketStatuses.TicketNotFound;
return(null);
}
if (ticket.Status == TicketStatuses.Used)
{
status = CancelTicketStatuses.TicketAlreadyUsed;
return(null);
}
if (ticket.Status == TicketStatuses.Cancelled)
{
status = CancelTicketStatuses.TicketAlreadyCancelled;
return(null);
}
//Get event info
var eventInfo = GetEventByRef(hostId, ticket.EventReferenceId);
if (eventInfo == null)
{
status = CancelTicketStatuses.EventNotFound;
return(null);
}
//Validate event status
if (eventInfo.Status != EventStatuses.Active)
{
status = CancelTicketStatuses.EventNotActive;
return(null);
}
//Validate if event start date is over
if (DateTime.UtcNow >= eventInfo.StartDate)
{
status = CancelTicketStatuses.EventHasAlreadyStarted;
return(null);
}
//Get event tier
EventsServices eventsServices = new EventsServices();
var eventTier = eventsServices.GetEventTiersByRef(hostId, ticket.TierReferenceId);
if (eventTier == null)
{
status = CancelTicketStatuses.TierNotFound;
return(null);
}
//Get customer info
CustomerServices customerServices = new CustomerServices();
var customer = customerServices.GetCustomerByRef(hostId, ticket.CustomerReferenceId);
if (customer == null)
{
status = CancelTicketStatuses.CustomerNotFound;
return(null);
}
//Refund the customer using funds from the event address
WalletServices walletServices = new WalletServices();
walletServices.Transfer(eventInfo.WalletAddress, customer.WalletAddress, ticket.PaidPrice.Value, ticket.BookingId, "Refund");
//Update ticket status to cancelled
admissionServices.UpdateTicketStatus(ticketId, TicketStatuses.Cancelled);
//Update ticket availability
BookingServices bookingServices = new BookingServices();
bookingServices.UpdateAvailableTickets(eventTier.TierId.Value, eventTier.AvailableTickets.Value + 1);
//Commit to blockchain
ContractApi blockchainContract = new ContractApi();
blockchainContract.CancelTicket(ticket.TicketNo);
status = CancelEventStatuses.Success;
result = new CancelTicketResponse();
result.EventTitle = ticket.EventTitle;
result.TierTitle = ticket.TierTitle;
result.PaidPrice = ticket.PaidPrice;
result.NewTicketStatus = TicketStatuses.Cancelled;
return(result);
}