/// <summary>
/// Only use this if you missed to fetched some trades on some day. This will not include the trades
/// </summary>
public async Task UpdateAllStock()
{
var allStocks = await _investagramsApiService.GetAllActiveStockPriceRealTime();
var charts = new Dictionary <string, ChartHistory>();
var tasks = new List <Task>();
foreach (var stock in allStocks)
{
tasks.Add(Task.Run(async() => await _investagramsApiService.GetChartHistoryByDate(stock.StockId, DateTime.Now))
.ContinueWith(x => charts.Add(stock.StockCode, x.Result)));
}
Task.WaitAll(tasks.ToArray());
foreach (var chartHistory in charts)
{
try
{
var lastDate = chartHistory.Value.Dates.Last();
var allStockHistory = _stockHistoryRepository.Find(x => x.StockCode == chartHistory.Key && x.Date >= lastDate).ToList();
var index = 0;
foreach (var date in chartHistory.Value.Dates)
{
var stockHistory = allStockHistory.FirstOrDefault(x => x.Date == date);
if (stockHistory == null)
{
_stockHistoryRepository.Add(new StockHistory
{
StockCode = chartHistory.Key,
Last = chartHistory.Value.Closes[index],
Date = date,
Low = chartHistory.Value.Lows[index],
Open = chartHistory.Value.Opens[index],
High = chartHistory.Value.Highs[index],
Volume = chartHistory.Value.Volumes[index]
});
}
index++;
}
_stockHistoryRepository.SaveChanges();
}
catch (System.Exception ex)
{
//carry on if something happens from upsert
}
}
}
