/// <summary>
/// Refresh or add a stock symbol.
/// </summary>
/// <param name="symbol">
/// The symbol.
/// </param>
/// <returns>
/// The <see cref="Task"/>.
/// </returns>
public async Task<StockQuote> RefreshOrAdd(string symbol)
{
var quote = new StockQuote();
if (string.IsNullOrEmpty(symbol))
{
return quote;
}
try
{
quote = await this.stockQuoteService.GetStockQuoteAsync(symbol);
var existingQuote = this.StockQuotes.Data.Cast<StockQuote>().FirstOrDefault(a => a.Symbol == symbol);
if (existingQuote == null)
{
this.StockQuotes.Add(quote);
}
else
{
this.StockQuotes.Replace(existingQuote, quote);
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine (ex.Message);
}
return quote;
}
/// <summary>
/// Bind the specified stock.
/// </summary>
/// <param name="stock">Stock.</param>
public void Bind(StockQuote stock)
{
this.stockQuote = stock;
this.textName.Text = stock.Name;
this.textLast.Text = stock.Last;
}