public void PlaceStockOrder(StockOrder stockOrder)
{
var stock = AvailableStocks.Find(stockOrder.Stock.StockId);
if (stock == null) return;
if (stockOrder.Amount == 0) return;
for (var i = 0; i < stockOrder.Amount; i++)
{
// Increase current price of ordered stocks.
var toIncrease = (stock.MaximumPrice - stock.CurrentPrice) * UpPercentage;
stock.CurrentPrice += toIncrease;
// Decrease the prices of the other stocks.
foreach (var availableStock in AvailableStocks)
{
if (availableStock == stock) continue;
var toDecrease = (availableStock.CurrentPrice - availableStock.MinimumPrice) * DownPercentage;
availableStock.CurrentPrice -= toDecrease;
}
}
// Adjust pricehistory of all stocks.
foreach (var availableStock in AvailableStocks)
{
availableStock.PriceHistory.Add(new StockPriceHistory
{
DateOfPlacement = DateTime.Now,
Price = availableStock.CurrentPrice
});
}
this.SaveChanges();
}
public EmbeddedOrderViewModel(IEventAggregator events, Stock stock)
{
this._events = events;
events.Subscribe(this);
StockOrder = new StockOrder {Stock = stock};
}
public void IncreaseOrder()
{
StockOrder = new StockOrder
{
Amount = ++StockOrder.Amount,
Stock = StockOrder.Stock
};
_events.Publish(new StockOrderPlacedEvent(StockOrder, true));
}
public void DecreaseOrder()
{
StockOrder = new StockOrder
{
Amount = --StockOrder.Amount,
Stock = StockOrder.Stock
};
_events.Publish(new StockOrderPlacedEvent(StockOrder, false));
}
public StockOrderPlacedEvent(StockOrder stockOrder, bool added)
{
this.StockOrder = stockOrder;
this.Added = added;
}
public void UpdateOrder(TextBox textbox)
{
var value = textbox.Text;
int amount;
int.TryParse(value, out amount);
StockOrder = new StockOrder
{
Amount = amount,
Stock = StockOrder.Stock
};
_events.Publish(new StockOrderPlacedEvent(StockOrder, true));
}