/// <summary>Return the candles over the given index range</summary>
public IEnumerable <Candle> ReadCandles(RangeI index_range)
{
// Read from the database. Order by timestamp so that the oldest is first, and the newest is at the end.
var candles = DB.Query <Candle>(
$"select * from {TimeFrame}\n" +
$"order by [{nameof(Candle.Timestamp)}] limit @start,@count",
new { start = index_range.Beg, count = index_range.Size });
if (Model.BackTesting)
{
var latest_time = new TimeFrameTime(Model.UtcNow, TimeFrame).IntgTicks;
candles = candles.Select(x => x.Timestamp < latest_time ? x : x.SubCandle(Model.UtcNow, TimeFrame));
}
return(candles);
}
public TimeFrameTime(TimeFrameTime tft, ETimeFrame tf)
: this(tft.ExactTicks, tf)
{
}
public bool Equals(TimeFrameTime rhs)
{
return(ExactTicks == rhs.ExactTicks && TimeFrame == rhs.TimeFrame);
}
