public void DisplayReport(SalesPerson[] people)
{
Console.WriteLine();
Console.WriteLine("Transactions by salesperson:");
foreach (var person in people)
{
var sales = _salesByPerson.GetOrAdd(person, 0);
var purchases = _purchasesByPerson.GetOrAdd(person, 0);
Console.WriteLine("{0,15} sold {1,3:n0}, bought {2,3:n0} items, total {3:n0}", person.Name, sales, purchases, sales + purchases);
}
}
public bool TrySellItem(SalesPerson person, string item)
{
var success = false;
_stock.AddOrUpdate(item,
itemName => { success = false; return 0; },
(itemName, value) =>
{
if (value == 0)
{
success = false;
return 0;
}
success = true;
return value - 1;
});
if (success)
{
Interlocked.Increment(ref _totalQuantitySold);
_toDoQueue.AddTrade(new Trade(person, 1));
}
return success;
}
public bool TrySellItem(SalesPerson person, string item)
{
var success = false;
_stock.AddOrUpdate(item,
itemName => { success = false; return(0); },
(itemName, value) =>
{
if (value == 0)
{
success = false;
return(0);
}
success = true;
return(value - 1);
});
if (success)
{
Interlocked.Increment(ref _totalQuantitySold);
_toDoQueue.AddTrade(new Trade(person, 1));
}
return(success);
}
public void BuyStock(SalesPerson person, string item, int quantity)
{
_stock.AddOrUpdate(item, quantity, (key, value) => value + quantity);
Interlocked.Add(ref _totalQuantityBought, quantity);
_toDoQueue.AddTrade(new Trade(person, -quantity));
}
public void BuyStock(SalesPerson person, string item, int quantity)
{
_stock.AddOrUpdate(item, quantity, (key, oldValue) => oldValue + quantity);
Interlocked.Add(ref _totalQuantityBought, quantity);
_toDoQueue.AddTrade(new Trade(person, -quantity));
}