internal bool TryReserveTicketsFor(Customer customer, int numTickets)
{
var requiredCapacity = _ticketsSold + numTickets;
if (Capacity < requiredCapacity) return false;
var fact = new TicketReservedFact
{
AggregateRootId = Id,
CustomerId = customer.Id,
NumTickets = numTickets,
};
Append(fact);
Apply(fact);
return true;
}
public void Apply(TicketReservedFact fact)
{
var ticketSale = new TicketSale(fact.CustomerId, fact.NumTickets);
_ticketSales.Add(ticketSale);
_ticketsSold += fact.NumTickets;
}
