public void OnNewStreamItem(Quote quote)
{
//Quotes.Add(quote);
var gq = new QuoteGraphDataPoint
{
Ask = Convert.ToDecimal(quote.Ask),
Bid = Convert.ToDecimal(quote.Bid),
Time = DateTime.Parse(quote.Datetime)
};
var ask = Convert.ToDouble(quote.Ask);
var bid = Convert.ToDouble(quote.Bid);
if (ask > _yAxisMax)
{
yAxisMax = ask;
}
if (ask < _yAxisMin)
{
yAxisMin = ask;
}
if (bid > _yAxisMax)
{
yAxisMax = bid;
}
if (bid < _yAxisMin)
{
yAxisMin = bid;
}
GraphQuotes.Add(gq);
}
private void LoadQuotes()
{
using (var db = DbFactory.GetDbSource())
{
Quotes = new ObservableCollection <Quote>(db.GetStreamQuotes(Ticker));
foreach (var quote in Quotes)
{
var gq = new QuoteGraphDataPoint
{
Ask = Convert.ToDecimal(quote.Ask),
Bid = Convert.ToDecimal(quote.Bid),
Time = DateTime.Parse(quote.Datetime)
};
GraphQuotes.Add(gq);
var ask = Convert.ToDouble(quote.Ask);
var bid = Convert.ToDouble(quote.Bid);
// TODO - make date checking generic to check within the selected date range
if (gq.Time >= _xAxisMin && gq.Time <= _xAxisMax)
{
if (ask > _yAxisMax)
{
_yAxisMax = ask;
}
if (ask < _yAxisMin)
{
_yAxisMin = ask;
}
if (bid > _yAxisMax)
{
_yAxisMax = bid;
}
if (bid < _yAxisMin)
{
_yAxisMin = bid;
}
}
}
Quotes.Clear();
}
}
