public IStockKLine GetData(string stockCode, KLineType kLineType, DateTime dt)
{
string filepath = PathHelper.GetKLineDataFilePath(stockCode, kLineType, dt);
if (File.Exists(filepath))
{
var file = new StockKLineFile(filepath);
var lstAll = file.ReadAll();
var lstQuery = lstAll.Where(x => x.Time == dt).ToList();
if (lstQuery != null && lstQuery.Count > 0)
return lstQuery.First();
}
return null;
}
public IEnumerable<IStockKLine> GetData(string stockCode, KLineType kLineType, DateTime bgnDt, DateTime endDt)
{
List<string> pathList = PathHelper.GetKLineDataFilePath(stockCode, kLineType, bgnDt, endDt).ToList();
List<StockKLineDataItem> result = new List<StockKLineDataItem>();
foreach (string path in pathList)
{
if (File.Exists(path))
{
var file = new StockKLineFile(path);
var lstAll = file.ReadAll();
var lstQuery = lstAll.Where(x => x.Time >= bgnDt && x.Time <= endDt);
result.AddRange(lstQuery);
}
}
return result.Cast<IStockKLine>();
}
public IEnumerable<IStockKLine> GetLatest(IEnumerable<string> stockCodes, KLineType kLineType)
{
List<IStockKLine> result = new List<IStockKLine>();
foreach (string code in stockCodes)
{
string filePath = string.Empty;
if (PathHelper.GetLatestKLineDataFilePath(code, kLineType, ref filePath))
{
var file = new StockKLineFile(filePath);
var lstAll = from it in file.ReadAll()
orderby it.Time descending
select it;
IStockKLine fst = lstAll.First();
if (fst != null)
result.Add(fst);
}
}
return result.Cast<IStockKLine>();
}
