public void Start()
{
this.logger.Info("BattlesSimulatorJob starting...");
while (!this.stopping)
{
var data = new AiPortalDbContext();
Battle battle;
try
{
battle =
data.Battles.Where(x => !x.IsFinished)
.OrderBy(x => x.FirstTeam.CompetitionId) // Temporary, remove it.
.ThenBy(x => Guid.NewGuid())
.FirstOrDefault();
}
catch (Exception exception)
{
this.logger.FatalFormat("Unable to get battle for processing. Exception: {0}", exception);
throw;
}
if (battle == null)
{
// No battle available. Wait 10 seconds and try again.
Thread.Sleep(10000);
continue;
}
if (!this.processingBattleIds.Add(battle.Id))
{
// Other thread is processing the same battle. Wait 1 second and choose another battle for simulating.
Thread.Sleep(1000);
continue;
}
try
{
foreach (var battleGameResult in battle.BattleGameResults.ToList())
{
data.BattleGameResults.Remove(battleGameResult);
}
this.ProcessBattle(data, battle);
battle.IsFinished = true;
}
catch (Exception exception)
{
this.logger.ErrorFormat("ProcessBattle on battle №{0} has thrown an exception: {1}", battle.Id, exception);
battle.Comment = $"Exception in ProcessBattle: {exception.Message}";
}
try
{
data.SaveChanges();
}
catch (Exception exception)
{
this.logger.ErrorFormat("Unable to save changes to the battle №{0}! Exception: {1}", battle.Id, exception);
}
try
{
this.UpdateTeamPoints(data, battle.FirstTeam);
this.UpdateTeamPoints(data, battle.SecondTeam);
}
catch (Exception exception)
{
this.logger.ErrorFormat("Unable to update team points! Exception: {0}", exception);
}
// Next line removes the battle from the list. Fixes problem with retesting battles.
this.processingBattleIds.Remove(battle.Id);
}
this.logger.Info("BattlesSimulatorJob stopped.");
}
private void UpdateTeamPoints(AiPortalDbContext data, Team team)
{
if (!data.Battles.Where(x => x.FirstTeamId == team.Id || x.SecondTeamId == team.Id).All(x => x.IsFinished))
{
// Update player points only when all battles are finished
return;
}
var teamHasUploadedFile = team.Uploads.Any();
var battles =
data.Battles.Where(x => x.FirstTeamId == team.Id || x.SecondTeamId == team.Id)
.Select(
x =>
new
{
TeamIsFirst = x.FirstTeamId == team.Id,
OpponentHasUploadedFile = x.FirstTeamId == team.Id ? x.SecondTeam.Uploads.Any() : x.FirstTeam.Uploads.Any(),
BattlesWonByTeam = x.BattleGameResults.Count(
res => res.BattleGameWinner == (x.FirstTeamId == team.Id ? BattleGameWinner.First : BattleGameWinner.Second)),
});
var points = 0;
foreach (var battle in battles)
{
if (teamHasUploadedFile && battle.OpponentHasUploadedFile)
{
// Both players have submitted file, so the result from battles will be used
points += battle.BattlesWonByTeam;
}
else if (teamHasUploadedFile && !battle.OpponentHasUploadedFile)
{
// The other player does not have uploaded file and current player has
points += 0;
}
else if (!teamHasUploadedFile && battle.OpponentHasUploadedFile)
{
// The other player has uploaded file and current player hasn't
points += 0;
}
else if (!teamHasUploadedFile && !battle.OpponentHasUploadedFile)
{
// Both players hasn't uploaded file
points += 0;
}
}
// TODO: What about multithreading?
// TODO: Depend on max games when scoring
team.Points = points;
this.logger.InfoFormat("Points for {0} updated.", team.Name);
data.SaveChanges();
}