コード例 #1
0
        /// <summary>
        ///     Perform extraction of trading data, write results in csv
        /// </summary>
        internal async Task Extract()
        {
            if (_paused)
            {
                return;
            }
            var now = DateTime.Now;
            IEnumerable <Trade> trades = null;

            try
            {
                trades = await _tradingService.GetTradesAsync(now);
            }
            catch (Exception ex)
            {
                Log(ex.Message);
                //cant miss extract
                Log($"Repeating extract in {_serviceErrorDelay} ms");
                var worker = new BackgroundWorker();
                worker.DoWork += async delegate
                {
                    Thread.Sleep(_serviceErrorDelay);
                    await Extract();

                    worker.Dispose();
                };
                worker.RunWorkerAsync();
            }

            if (trades == null)
            {
                return;
            }

            try
            {
                var aggregations = AggregateTrades(trades);
                if (aggregations.Count != 24)
                {
                    Log("Amount of periods is not 24");
                }
                var lines = PrepareOutput(aggregations);
                //write to csv
                _csvWriter.Dump($"{now.ToString("yyyyMMdd_HHmm")}.csv", lines);
            }
            catch (Exception ex)
            {
                Log(ex.Message);
            }
        }