public async Task <List <StockHistoricalPrice> > GoogleGetHistoricalPrice(
string symbolType,
string symbol,
DateTime start,
DateTime end)
{
//first get a valid token from Yahoo Finance
var importerHistorical = new GoogleFinanceImporter();
IReadOnlyList <IOhlcv> candles = await importerHistorical.ImportAsync(symbolType + symbol, start, end);
//Historyprice轉換為HistoryPriceExtStkCode類型, 新增StkCode後傳回
List <StockHistoricalPrice> shpList = new List <StockHistoricalPrice>();
foreach (Candle candle in candles)
{
shpList.Add(
new StockHistoricalPrice(
symbol,
candle.DateTime,
candle.Open,
candle.High,
candle.Low,
candle.Close,
candle.Volume));
}
return(shpList);
}
public void ImportByGoogleFinance()
{
var importer = new GoogleFinanceImporter();
var candle = importer.ImportAsync("NASDAQ/AAPL", new DateTime(2017, 1, 3), new DateTime(2017, 1, 3)).Result.First();
Assert.AreEqual(candle.Open, 115.8m);
Assert.AreEqual(candle.High, 116.33m);
Assert.AreEqual(candle.Low, 114.76m);
Assert.AreEqual(candle.Close, 116.15m);
Assert.AreEqual(candle.Volume, 28_781_865);
}