/// <summary>
/// Download history values of crypto (from last updated value)
/// </summary>
/// <param name="cryptoTicker">Crypto ticker</param>
/// <returns>Task</returns>
internal async Task DownloadCryptoHistory(CryptoTicker cryptoTicker)
{
InfluxConfig config = GetSecretToken();
InfluxDbData.Repository <CryptoData> repo = new(new InfluxContext(config.Url, config.Token));
List <CryptoData> lastRecords = await repo.GetLastWrittenRecordsTime(new DataSourceIdentification(organizationId, bucketCrypto)).ConfigureAwait(false);
CryptoData lastTickerRecord = lastRecords.SingleOrDefault(r => r.Ticker == cryptoTicker.ToString());
CryptoDataDownloader dataDownloader = new CryptoDataDownloader(repo, new DataSourceIdentification(organizationId, bucketCrypto));
await dataDownloader.CryptoDownload(cryptoTicker, lastTickerRecord?.Time).ConfigureAwait(false);
}
public async Task CryptoDownload(CryptoTicker tickerToDownload, DateTime?from = null)
{
List <CandleModel> data = await this.DownloadData(tickerToDownload, from ?? new DateTime(2019, 1, 1)).ConfigureAwait(false);
foreach (CandleModel model in data)
{
await influxRepo.Write(new CryptoData
{
ClosePrice = model.Close,
HighPrice = model.High,
LowPrice = model.Low,
OpenPrice = model.Open,
Ticker = tickerToDownload.ToString(),
Time = model.DateTime.ParseToUtcDateTime(),
Volume = model.Volume
}, this.dataSourceIdentification).ConfigureAwait(false);
}
}
private async Task <List <CandleModel> > DownloadData(CryptoTicker cryptoTicker, DateTime from)
{
CryptoWatch cryptoCandleDataApi = new CryptoWatch(new HttpClient());
return(await cryptoCandleDataApi.GetCandlesDataFrom(cryptoTicker.ToString(), from).ConfigureAwait(false));
}
