public Task <Unit> Handle(InsertCoins request, CancellationToken cancellationToken)
{
var machine = _vendingMachineProvider.GetVendingMachine();
var coins = request.Coins.Select(c => (Coin)c);
machine.InsertCoins(coins);
return(Task.FromResult(Unit.Value));
}
public async Task <Unit> Handle(CancelOrder request, CancellationToken cancellationToken)
{
var machine = _vendingMachineProvider.GetVendingMachine();
var insertedCoins = machine.CancelOrder();
await _mediator.Publish(new OrderCancelled(insertedCoins));
return(Unit.Value);
}
protected override GetSelectedProductPriceResult Handle(GetSelectedProductPrice request)
{
var machine = _vendingMachineProvider.GetVendingMachine();
var amount = (decimal)machine.GetAmountToBePaid() / 100;
return(new GetSelectedProductPriceResult(
string.Format("{0:N2} Euro", amount)
));
}
public async Task <Unit> Handle(ProcessOrder request, CancellationToken cancellationToken)
{
var machine = _vendingMachineProvider.GetVendingMachine();
var coinsToReturn = machine.ProcessOrder(request.NoChange);
await _mediator.Publish(
new OrderProcessed(machine.GetSelectedProduct(),
coinsToReturn
));
return(Unit.Value);
}
protected override IEnumerable <GetProductItemResult> Handle(GetProducts request)
{
var machine = _vendingMachineProvider.GetVendingMachine();
var products = machine.GetProductsWithPrices()
.Select(kvp => new GetProductItemResult(
kvp.Key.ToString(),
string.Format("{0:N2} Euro", (decimal)kvp.Value / 100)
));
var amount = (decimal)machine.GetAmountToBePaid() / 100;
return(products);
}
public async Task <Unit> Handle(SelectProduct request, CancellationToken cancellationToken)
{
var machine = _vendingMachineProvider.GetVendingMachine();
machine.SelectProduct(Enum.Parse <Product>(request.ProductName));
var priceInEuro = (decimal)machine.GetAmountToBePaid() / 100;
await _mediator.Publish(
new ProductSelected(
machine.GetSelectedProduct().ToString(),
string.Format("{0:N2} Euro", priceInEuro)
)
);
return(Unit.Value);
}
