public async Task <string> Refresh(string exchange, string coinsToBuy, string candleSize = "5")
        {
            var backtestOptions = new BacktestOptions
            {
                DataFolder   = Global.DataPath,
                Exchange     = (Exchange)Enum.Parse(typeof(Exchange), exchange, true),
                Coins        = new List <string>(new[] { coinsToBuy }),
                CandlePeriod = Int32.Parse(candleSize)
            };

            await DataRefresher.RefreshCandleData(x => Global.Logger.Information(x), backtestOptions, Global.DataStoreBacktest);

            return("Refresh Done");
        }
        public async Task <ActionResult> RefreshCandles(string exchange, string coinsToBuy, string baseCurrency, string candleSize = "5")
        {
            List <string> coins = new List <string>();

            if (String.IsNullOrEmpty(coinsToBuy))
            {
                IExchangeAPI api           = ExchangeAPI.GetExchangeAPI(exchange);
                var          exchangeCoins = api.GetSymbolsMetadataAsync().Result.Where(m => m.BaseCurrency == baseCurrency);
                foreach (var coin in exchangeCoins)
                {
                    coins.Add(api.ExchangeSymbolToGlobalSymbol(coin.MarketName));
                }
            }
            else
            {
                Char     delimiter       = ',';
                String[] coinsToBuyArray = coinsToBuy.Split(delimiter);
                foreach (var coin in coinsToBuyArray)
                {
                    coins.Add(coin.ToUpper());
                }
            }

            BacktestOptions backtestOptions = new BacktestOptions
            {
                DataFolder   = Global.DataPath,
                Exchange     = (Exchange)Enum.Parse(typeof(Exchange), exchange, true),
                Coins        = coins,
                CandlePeriod = Int32.Parse(candleSize)
            };

            await DataRefresher.RefreshCandleData(x => Global.Logger.Information(x), backtestOptions, Global.DataStoreBacktest);

            JObject result = new JObject
            {
                ["result"] = "success"
            };

            return(new JsonResult(result));
        }