/// <summary>
/// Gets historical prices from Yahoo Finance given the specified configuration.
/// </summary>
/// <param name="config">Configuration parameters used to retrieve historical price data.</param>
/// <returns></returns>
public async Task <List <StockData> > GetPricesAsync(IHistoryConfig config)
{
string yahooSymbol = config.Ticker.ToString();
Period yahooPeriod = YahooHistoryConfig.GetYahooPeriod(config.TimeFrame);
IReadOnlyList <Candle> hist = await Yahoo.GetHistoricalAsync(
yahooSymbol, config.DateFrom, config.DateTo, yahooPeriod);
List <StockData> prices = new List <StockData>();
foreach (Candle candle in hist)
{
prices.Add(new StockData()
{
Ticker = yahooSymbol,
Date = candle.DateTime,
Open = (double)candle.Open,
High = (double)candle.High,
Low = (double)candle.Low,
Close = (double)candle.Close,
CloseAdj = (double)candle.AdjustedClose,
Volume = candle.Volume
});
}
return(prices);
}
/// <summary>
/// Create service client
/// </summary>
/// <param name="httpClient"></param>
/// <param name="config"></param>
/// <param name="logger"></param>
public HistoryServiceClient(IHttpClient httpClient, IHistoryConfig config,
ILogger logger) :
this(httpClient, config.OpcUaHistoryServiceUrl,
config.OpcUaHistoryServiceResourceId, logger)
{
}
/// <summary>
/// Create service client
/// </summary>
/// <param name="httpClient"></param>
/// <param name="config"></param>
public HistoryServiceClient(IHttpClient httpClient, IHistoryConfig config) :
this(httpClient, config.OpcUaHistoryServiceUrl, config.OpcUaHistoryServiceResourceId)
{
}
/// <summary>
/// Create service client
/// </summary>
/// <param name="httpClient"></param>
/// <param name="config"></param>
/// <param name="serializer"></param>
public HistoryServiceClient(IHttpClient httpClient, IHistoryConfig config,
ISerializer serializer) :
this(httpClient, config?.OpcUaHistoryServiceUrl, serializer)
{
}
