public static Customer Create(string name)
{
var fact = new CustomerCreatedFact
{
AggregateRootId = Guid.NewGuid(),
Name = name,
};
var customer = new Customer();
customer.Append(fact);
customer.Apply(fact);
return customer;
}
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;
}