public async Task <IList <DataPoint> > GetHistoricalPrices(string symbol, DateTime startTime, bool full)
{
List <DataPoint> data = new List <DataPoint>();
IAlphaVantageClient client = RestClient.For <IAlphaVantageClient>("https://www.alphavantage.co");
string result;
if (full)
{
result = await client.GetHistoricalPrices(symbol, this.apikey, "full");
}
else
{
result = await client.GetHistoricalPrices(symbol, this.apikey, "compact");
}
JObject objects = JObject.Parse(result);
var dailyPrices = objects["Time Series (Daily)"];
foreach (var dailyPrice in dailyPrices)
{
DataPoint insert = new DataPoint {
Date = DateTime.Parse((dailyPrice as JProperty).Name),
Open = dailyPrice.First["1. open"].Value <decimal>(),
High = dailyPrice.First["2. high"].Value <decimal>(),
Low = dailyPrice.First["3. low"].Value <decimal>(),
Close = dailyPrice.First["4. close"].Value <decimal>(),
AdjustedClose = dailyPrice.First["5. adjusted close"].Value <decimal>(),
Volume = dailyPrice.First["6. volume"].Value <int>(),
DividendAmount = dailyPrice.First["7. dividend amount"].Value <decimal>(),
SplitCoefficient = dailyPrice.First["8. split coefficient"].Value <decimal>(),
};
if (insert.Date < startTime)
{
break;
}
data.Add(insert);
}
return(data);
}
public FinanceRetrivalService(IStockInfoRepository stockRepository, IAlphaVantageClient alphaVantageClient)
{
_stockRepository = stockRepository;
_alphaVantageClient = alphaVantageClient;
}
