public static RoundPosition ParseRating(string line, DateTime roundStartTime)
{
var parts = line.Split(new[] { ' ', '\t', '[', ']', 'L', 'F' }, StringSplitOptions.RemoveEmptyEntries);
var riderId = parts[0];
var finished = line.StartsWith('F');
if (parts.Length == 1)
{
return(RoundPosition.FromLaps(riderId, new Lap[0], false));
}
var lapCount = int.Parse(parts[1]);
if (parts.Length - lapCount < 2)
{
throw new FormatException(
$"Input should be in format: <rider_number> <number_of_laps> [<lap_time1> ... <lap_time_number_of_laps]. Found lapCount={lapCount} but {parts.Length - 2} lap times");
}
Lap prevLap = null;
var laps = parts.Skip(2)
.Select((x, i) =>
{
var cp = new Checkpoint(riderId, roundStartTime + TimeSpanExt.Parse(x));
var l = prevLap?.CreateNext(cp) ?? new Lap(cp, roundStartTime);
prevLap = l;
return(l);
});
return(RoundPosition.FromLaps(riderId, laps, finished));
}
public void Laps_with_timestamps()
{
var cp = new Checkpoint("11", new DateTime(2000));
var l = new Lap(cp, new DateTime(1000));
l.SequentialNumber.Should().Be(1);
l.Start.Should().Be(new DateTime(1000));
l.End.Should().Be(new DateTime(2000));
l.Duration.Should().Be(TimeSpan.FromTicks(1000));
l.AggDuration.Should().Be(TimeSpan.FromTicks(1000));
l.Checkpoint.Should().BeSameAs(cp);
var cp2 = new Checkpoint("11", new DateTime(3500));
var l2 = l.CreateNext(cp2);
l2.SequentialNumber.Should().Be(2);
l2.Start.Should().Be(new DateTime(2000));
l2.End.Should().Be(new DateTime(3500));
l2.Duration.Should().Be(TimeSpan.FromTicks(1500));
l2.AggDuration.Should().Be(TimeSpan.FromTicks(2500));
l2.Checkpoint.Should().BeSameAs(cp2);
}
