public LongTaskLaunchResult Filtrate(ICandlesFiltrationRequest request, bool analyzeOnly)
{
// We should not run filtration multiple times before the first attempt ends.
if (Health != null && Health.State == CandlesFiltrationState.InProgress)
{
return(LongTaskLaunchResult.AlreadyInProgress);
}
// And also we should check if the specified asset pair is enabled.
var storedAssetPair = _assetPairsManager.TryGetEnabledPairAsync(request.AssetPairId).GetAwaiter().GetResult();
if (storedAssetPair == null || !_candlesHistoryRepository.CanStoreAssetPair(request.AssetPairId))
{
return(LongTaskLaunchResult.AssetPairNotSupported);
}
var epsilon = Math.Pow(10, -storedAssetPair.Accuracy);
_log.Info(nameof(Filtrate), $"Starting candles with extreme price filtration for {request.AssetPairId}...");
Health = new CandlesFiltrationHealthReport(request.AssetPairId, request.LimitLow, request.LimitHigh, analyzeOnly);
var priceTypeTasks = new List <Task>();
if (request.PriceType.HasValue)
{
priceTypeTasks.Add(
DoFiltrateAsync(request.AssetPairId, request.LimitLow, request.LimitHigh, request.PriceType.Value, epsilon,
analyzeOnly));
}
else
{
foreach (var priceType in Constants.StoredPriceTypes)
{
priceTypeTasks.Add(
DoFiltrateAsync(request.AssetPairId, request.LimitLow, request.LimitHigh, priceType, epsilon,
analyzeOnly));
}
}
Task.WhenAll(priceTypeTasks.ToArray()).ContinueWith(t =>
{
Health.State = CandlesFiltrationState.Finished;
if (analyzeOnly)
{
_log.Info(nameof(Filtrate),
$"Filtration for {request.AssetPairId} finished: analyze only. Total amount of candles to delete: {Health.DeletedCandlesCount.Values.Sum()}, " +
$"total amount of candles to replace: {Health.ReplacedCandlesCount.Values.Sum()}. Errors count: {Health.Errors.Count}.");
}
else
{
_log.Info(nameof(Filtrate),
$"Filtration for {request.AssetPairId} finished. Total amount of deleted Sec candles: {Health.DeletedCandlesCount.Values.Sum()}, " +
$"total amount of replaced bigger candles: {Health.ReplacedCandlesCount.Values.Sum()}. Errors count: {Health.Errors.Count}.");
}
});
return(LongTaskLaunchResult.Started);
}
public CandlesFiltrationManager(
IAssetPairsManager assetPairsManager,
ICandlesHistoryRepository candlesHistoryRepository,
ICandlesFiltrationService candlesFiltrationService,
ILog log
)
{
_assetPairsManager = assetPairsManager;
_candlesHistoryRepository = candlesHistoryRepository;
_candlesFiltrationService = candlesFiltrationService;
_log = log;
Health = null;
}
public CandlesFiltrationManager(
IAssetPairsManager assetPairsManager,
ICandlesHistoryRepository candlesHistoryRepository,
ICandlesFiltrationService candlesFiltrationService,
ILogFactory logFactory
)
{
_assetPairsManager = assetPairsManager;
_candlesHistoryRepository = candlesHistoryRepository;
_candlesFiltrationService = candlesFiltrationService;
_log = logFactory.CreateLog(this);
Health = null;
}
