/// <summary>
/// 株価データをローカルキャッシュからロードする
/// </summary>
/// <param name="symbol">Ticker Symbol</param>
/// <param name="FromDate">開始日</param>
/// <param name="ToDate">終了日</param>
/// <returns></returns>
private static List <HistoryPrice> GetStockPricesFromFile(string symbol, DateTime FromDate, DateTime ToDate)
{
//キャッシュのパス
string[] pricelines = File.ReadAllLines(@"StockData\" + symbol + "_"
+ FromDate.ToShortDateString().Replace(@"/", "") + "_" +
ToDate.ToShortDateString().Replace(@"/", "") + ".txt");
List <HistoryPrice> prices = new List <HistoryPrice>();
foreach (var line in pricelines)
{
var h = new HistoryPrice();
string[] items = line.Split(new char[] { '\t' }, StringSplitOptions.RemoveEmptyEntries);
h.Date = DateTime.ParseExact(items[0], "yyyy/MM/dd", null);
h.Open = double.Parse(items[1]);
h.Close = double.Parse(items[2]);
h.High = double.Parse(items[3]);
h.Low = double.Parse(items[4]);
h.Volume = long.Parse(items[5]);
prices.Add(h);
}
return(prices);
}
private static async Task <List <HistoryPrice> > ParsePriceAsync(string csvData)
{
return(await Task.Run(() =>
{
var lst = new List <HistoryPrice>();
try
{
var rows = csvData.Split(Convert.ToChar(10));
for (var i = 1; i <= rows.Length - 1; i++)
{
var row = rows[i];
if (string.IsNullOrEmpty(row))
{
continue;
}
var cols = row.Split(',');
if (cols[1] == "null")
{
continue;
}
var itm = new HistoryPrice
{
Date = DateTime.Parse(cols[0]),
Open = Convert.ToDouble(cols[1]),
High = Convert.ToDouble(cols[2]),
Low = Convert.ToDouble(cols[3]),
Close = Convert.ToDouble(cols[4]),
AdjClose = Convert.ToDouble(cols[5])
};
if (cols[6] != "null")
{
itm.Volume = Convert.ToInt64(cols[6]);
}
lst.Add(itm);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
return lst;
}).ConfigureAwait(false));
}