public void Save(SQLiteConnection db)
{
HeatTime re = db.Find <HeatTime>(x => x.HeatTimeID == this.HeatTimeID);
if (re == null)
{
db.Insert(this);
}
else
{
db.Update(this);
}
}
public void CreateHeats(SQLiteConnection db)
{
// each race must run on each lane once.
// x lanes are available to race on simultaneously
// heatcount = racers * x / x = racers
int HeatCount = this.Racers.Count;
int iTracks = this.TrackCount;
//generate shuffled list of racers
Random rng = new Random();
List <Racer> shuffledRacers = this.Racers.Shuffle(rng).ToList();
// create the heats + heat times
for (int i = 0; i < HeatCount; i++)
{
RaceHeat h = new RaceHeat();
h.EventID = this.EventID;
h.HeatID = Guid.NewGuid();
h.HeatNumber = (i + 1);
this.Heats.Add(h);
for (int j = 0; j < iTracks; j++)
{
HeatTime ht = new HeatTime(this);
ht.HeatTimeID = Guid.NewGuid();
ht.HeatID = h.HeatID;
ht.TrackNumber = j + 1;
ht.RaceTime = null;
ht.RacerID = null;
h.HeatTimes.Add(ht);
}
}
for (int i = 0; i < iTracks; i++)
{
using (IEnumerator <Racer> ienumShuffled = shuffledRacers.GetEnumerator())
{
foreach (RaceHeat heat in this.Heats)
{
if (!ienumShuffled.MoveNext())
{
break;
}
HeatTime ht = heat.HeatTimes.First(x => x.TrackNumber == (i + 1));
ht.RacerID = ienumShuffled.Current.RacerID;
}
}
Racer[] rgShuffledRacers = shuffledRacers.ToArray();
int RotateBy = HeatCount / iTracks;
// if less tracks than racers, we'll run into an issue where we won't rotate
if (RotateBy == 0)
{
RotateBy = 1;
}
rgShuffledRacers.RotateLeft(RotateBy);
shuffledRacers = new List <Racer>(rgShuffledRacers);
}
#if DEBUG
StringBuilder sb = new StringBuilder();
foreach (RaceHeat rh in this.Heats)
{
sb.AppendFormat("Heat {0}: ", rh.HeatNumber.ToString().PadLeft(2));
foreach (HeatTime ht in rh.HeatTimes)
{
sb.AppendFormat("({0}): {1} {2}. ", ht.TrackNumber, ht.Racer.FirstName, ht.Racer.LastName.Substring(0, 1));
}
sb.AppendLine();
}
//System.Diagnostics.Debug.Print(sb.ToString());
#endif
}