public async Task <double> GetCurrentExchangeRate(string fromSymbol, string toSymbol)
{
DataSourceIdentification dataSourceIdentification = new DataSourceIdentification(organizationId, bucketForex);
List <CryptoData> data = await this.cryptoRepository.GetLastWrittenRecordsTime(dataSourceIdentification).ConfigureAwait(false);
return(data.SingleOrDefault(a => string.Equals(a.Ticker, $"{fromSymbol}{toSymbol}", System.StringComparison.OrdinalIgnoreCase))?.ClosePrice ?? 0);
}
public async Task <double> GetCurrentGoldPriceForOunce()
{
DataSourceIdentification dataSourceIdentification = new DataSourceIdentification(organizationId, bucketComodity);
List <ComodityData> data = await this.comodityRepository.GetLastWrittenRecordsTime(dataSourceIdentification).ConfigureAwait(false);
return(data.SingleOrDefault(a => string.Equals(a.Ticker, Gold))?.Price ?? 0);
}
public async Task <double> GetCurrentExchangeRate(string fromSymbol, string toSymbol)
{
DataSourceIdentification dataSourceIdentification = new DataSourceIdentification(organizationId, bucketForex);
List <ForexData> data = await this.forexRepository.GetLastWrittenRecordsTime(dataSourceIdentification);
return(data.SingleOrDefault(a => string.Equals(a.BaseCurrency, fromSymbol, System.StringComparison.OrdinalIgnoreCase) &&
string.Equals(a.Currency, toSymbol, System.StringComparison.OrdinalIgnoreCase))?.Price ?? 0);
}
/// <summary>
/// Download data about fear and greed on crypto market and save it to Influx
/// </summary>
internal async Task DownloadFearAndGreed()
{
InfluxConfig config = configManager.GetSecretToken();
FearAndGreed fearApi = new FearAndGreed(new HttpClient());
IEnumerable <FearAndGreedData> data = (await fearApi.GetFearAndGreedFrom(new System.DateTime(2018, 3, 1))).Data.Select(g => new FearAndGreedData
{
Value = double.Parse(g.Value),
Time = g.Timestamp.ParseToUtcDateTime()
});
DataSourceIdentification dataSourceIdentification = new DataSourceIdentification(organizationId, bucketFearAndGreed);
InfluxDbData.Repository <FearAndGreedData> repo = new InfluxDbData.Repository <FearAndGreedData>(new InfluxContext(config.Url, config.Token));
FearAndGreedData lastRecord = (await repo.GetLastWrittenRecordsTime(dataSourceIdentification)).SingleOrDefault();
foreach (FearAndGreedData model in data.Where(f => f.Time > (lastRecord?.Time ?? DateTime.MinValue)))
{
await repo.Write(model, dataSourceIdentification).ConfigureAwait(false);
}
}
internal async Task DownloadHashRate()
{
InfluxConfig configSecrets = configManager.GetSecretToken();
HashRateApi hashRateApi = new HashRateApi(new HttpClient(), configManager.GetQuandlSetting().ApiKey);
DataSourceIdentification dataSourceIdentification = new DataSourceIdentification(organizationId, bucketHashRate);
InfluxDbData.Repository <HashRate> repo = new InfluxDbData.Repository <HashRate>(new InfluxContext(configSecrets.Url, configSecrets.Token));
HashRate lastRecord = (await repo.GetLastWrittenRecordsTime(dataSourceIdentification).ConfigureAwait(false)).SingleOrDefault();
IEnumerable <HashRate> data = (await hashRateApi.GetData(lastRecord?.Time ?? DateTime.MinValue)).Select(g => new HashRate
{
Value = g.Value,
Time = g.Time.ToUniversalTime()
});
foreach (HashRate model in data)
{
await repo.Write(model, dataSourceIdentification).ConfigureAwait(false);
}
}
/// <summary>
/// Download data and save them to Influx
/// </summary>
internal async Task SaveGoldDataToDb()
{
InfluxConfig config = configManager.GetSecretToken();
GoldApi goldApi = new GoldApi(new HttpClient(), configManager.GetQuandlSetting().ApiKey);
DataSourceIdentification dataSourceIdentification = new DataSourceIdentification(organizationId, buckerComodity);
InfluxDbData.Repository <ComodityData> repo = new InfluxDbData.Repository <ComodityData>(new InfluxContext(config.Url, config.Token));
ComodityData lastRecord = (await repo.GetLastWrittenRecordsTime(dataSourceIdentification))
.SingleOrDefault(t => string.Compare(t.Ticker, gold, true) == 0);
IEnumerable <ComodityData> data = (await goldApi.GetData(lastRecord?.Time ?? DateTime.MinValue).ConfigureAwait(false)).Select(g => new ComodityData
{
Price = g.Price,
Ticker = gold,
Time = g.Time.ToUniversalTime()
});
foreach (ComodityData model in data)
{
await repo.Write(model, dataSourceIdentification).ConfigureAwait(false);
}
}
public CryptoDataDownloader(IRepository <CryptoData> influxRepository, DataSourceIdentification dataSourceIdentification)
{
this.influxRepo = influxRepository;
this.dataSourceIdentification = dataSourceIdentification;
}
public ForexDataDownloader(IRepository <ForexData> influxRepository, DataSourceIdentification dataSourceIdentification, string twelveDataapiKey)
{
this.influxRepo = influxRepository;
this.dataSourceIdentification = dataSourceIdentification;
this.twelveDataapiKey = twelveDataapiKey;
}
