public async Task Run()
{
StockController ctr = new StockController(TShirtProvider.AllShirts);
TimeSpan workDay = new TimeSpan(0, 0, 0, 0, 500);
Task task1 = Task.Run(() => new SalesPerson("Kim").Work(workDay, ctr));
Task task2 = Task.Run(() => new SalesPerson("Sahil").Work(workDay, ctr));
Task task3 = Task.Run(() => new SalesPerson("Chuck").Work(workDay, ctr));
Task.WaitAll(task1, task2, task3);
ctr.DisplayStock();
}
public void Work(TimeSpan workDay, StockController ctr)
{
DateTime start = DateTime.Now;
while (DateTime.Now - start < workDay)
{
var result = ServeCustomer(ctr);
if (result.Status != null)
{
Console.WriteLine($"{Name}: {result.Status}");
}
if (!result.ShirtInStock)
{
break;
}
}
}
public (bool ShirtInStock, string Status) ServeCustomer(StockController ctr)
{
TShirt shirt = ctr.SelectRandomShirt();
if (shirt == null)
{
return(false, "All shirts sold");
}
Thread.Sleep(Rnd.NextInt(30));
// customer chooses to buy with only 20% probability
if (Rnd.TrueWithProb(0.2))
{
ctr.Sell(shirt.Code);
return(true, $"Sold {shirt.Name}");
}
return(true, null);
}