/// <summary>
/// Gets updates for a list of assets.
/// Fires the OnSingleAssetUpdated event for each updated asset from the list.
/// Fires the OnApiError event if something has gone wrong.
/// </summary>
/// <param name="assets">The assets<see cref="List{Asset}"/> to update.</param>
protected override async Task GetAssetUpdatesAsync(List <Asset> assets)
{
if (assets.Count < 1)
{
return;
}
List <string> fromIds = new List <string>();
assets.ForEach(ass => fromIds.Add(ass.AssetId));
bool callFailed = false;
int timeout = this.ApiData.UpdateInterval * 1000;
do
{
callFailed = false;
try
{
Price response = await this.client.SimpleClient.GetSimplePrice(fromIds.ToArray(), this.attachedConvertCurrencies.ToArray(), true, true, true, false);
this.ApiData.IncreaseCounter(1);
this.FireOnAppDataChanged();
assets.ForEach(ass =>
{
try
{
var assres = response[ass.AssetId];
var convert = ass.ConvertCurrency.ToLower();
if (assres.ContainsKey(ass.ConvertCurrency.ToLower()))
{
ass.Price = (double)assres[convert];
ass.LastUpdated = DateTime.Now;
ass.PercentChange24h = (double)assres[convert + "_24h_change"];
ass.PercentChange7d = -101;
ass.PercentChange1h = -101;
ass.MarketCap = (double)assres[convert + "_market_cap"];
ass.Volume24hConvert = assres[convert + "_24h_vol"].ToString();
ass.SupplyAvailable = -1;
ass.SupplyTotal = -1;
this.FireOnAssetUpdateReceived(ass);
}
}
catch (KeyNotFoundException)
{
// ignore
}
});
}
catch (HttpRequestException)
{
// no internet connection?
callFailed = true;
Thread.Sleep(retryDelay);
timeout -= retryDelay;
}
catch (Exception e)
{
OnApiErrorEventArgs args = new OnApiErrorEventArgs
{
ErrorType = ErrorType.General,
ErrorMessage = e.Message
};
this.FireOnApiError(args);
}
}while (callFailed && timeout >= 0);
}
/// <summary>
/// Gets updates for a list of assets.
/// Fires the OnSingleAssetUpdated event for each updated asset from the list.
/// Fires the OnApiError event if something has gone wrong.
/// </summary>
/// <param name="assets">The assets<see cref="List{Asset}"/> to update.</param>
protected override async Task GetAssetUpdatesAsync(List <Asset> assets)
{
if (assets.Count < 1)
{
return;
}
string[] symbols = new string[assets.Count];
int timeout = this.ApiData.UpdateInterval * 1000;
for (int i = 0; i < assets.Count; i++)
{
symbols[i] = assets[i].Symbol;
}
bool callFailed;
do
{
callFailed = false;
try
{
var response = await Yahoo.Symbols(symbols).Fields(Field.Symbol, Field.RegularMarketPrice, Field.Currency).QueryAsync();
this.ApiData.IncreaseCounter(1);
this.FireOnAppDataChanged();
foreach (Asset asset in assets)
{
if (asset.ConvertCurrency == "EUR" && this.eurExchangeRate == 0)
{
callFailed = true;
break;
}
try
{
var assetResponse = response[asset.Symbol];
if (asset.Symbol == "EUR=X")
{
this.eurExchangeRate = assetResponse.RegularMarketPrice;
continue;
}
Asset updatedAsset = null;
if (assetResponse.Currency == "USD")
{
updatedAsset = new Asset()
{
AssetId = assetResponse.Symbol,
Symbol = assetResponse.Symbol,
Name = asset.Name,
ConvertCurrency = asset.ConvertCurrency,
LastUpdated = DateTime.Now,
Price = asset.ConvertCurrency == "USD" ? assetResponse.RegularMarketPrice : assetResponse.RegularMarketPrice * this.eurExchangeRate,
PercentChange1h = -101,
PercentChange24h = -101,
PercentChange7d = -101,
MarketCap = -1,
SupplyAvailable = -1,
SupplyTotal = -1
};
}
else if (assetResponse.Currency == "EUR")
{
// response in EUR
updatedAsset = new Asset()
{
AssetId = assetResponse.Symbol,
Symbol = assetResponse.Symbol,
Name = asset.Name,
ConvertCurrency = asset.ConvertCurrency,
LastUpdated = DateTime.Now,
Price = asset.ConvertCurrency == "EUR" ? assetResponse.RegularMarketPrice : assetResponse.RegularMarketPrice / this.eurExchangeRate,
PercentChange1h = -101,
PercentChange24h = -101,
PercentChange7d = -101,
MarketCap = -1,
SupplyAvailable = -1,
SupplyTotal = -1
};
}
else
{
throw new Exception("Die API antwortete mit einem ungültigen Tradingpaar: " + assetResponse.Currency + "/" + assetResponse.Symbol);
}
this.FireOnAssetUpdateReceived(updatedAsset);
}
catch (KeyNotFoundException)
{
// ignore
}
}
}
catch (NullReferenceException)
{
// no internet connection?
callFailed = true;
Thread.Sleep(retryDelay);
timeout -= retryDelay;
}
catch (Exception e)
{
OnApiErrorEventArgs args = new OnApiErrorEventArgs
{
ErrorType = ErrorType.General,
ErrorMessage = e.Message
};
this.FireOnApiError(args);
}
}while (callFailed && timeout >= 0);
}
/// <summary>
/// Gets updates for a list of assets.
/// Fires the OnSingleAssetUpdated event for each updated asset from the list.
/// Fires the OnApiError event if something has gone wrong.
/// </summary>
/// <param name="assets">The assets<see cref="List{Asset}"/> to update.</param>
protected override async Task GetAssetUpdatesAsync(List <Asset> assets)
{
if (assets.Count < 1)
{
return;
}
List <string> fromSymbols = new List <string>();
assets.ForEach(ass => fromSymbols.Add(ass.Symbol));
bool callFailed = false;
int timeout = this.ApiData.UpdateInterval * 1000;
do
{
callFailed = false;
try
{
PriceMultiFullResponse response = await this.client.Prices.MultipleSymbolFullDataAsync(fromSymbols, this.attachedConvertCurrencies);
this.ApiData.IncreaseCounter(1);
this.FireOnAppDataChanged();
var res = response.Raw;
if (res == null)
{
return;
}
assets.ForEach(ass =>
{
this.attachedConvertCurrencies.ForEach(con =>
{
try
{
CoinFullAggregatedData data = res[ass.Symbol][con];
if (ass.ConvertCurrency == con)
{
ass.Price = (double)data.Price;
ass.LastUpdated = DateTime.Now;
ass.PercentChange24h = data.ChangePCT24Hour != null? (double)data.ChangePCT24Hour : -101;
ass.PercentChange24h = -101;
ass.PercentChange1h = -101;
ass.MarketCap = data.MarketCap != null? (double)data.MarketCap : -1;
ass.SupplyAvailable = -1;
ass.SupplyTotal = -1;
ass.Volume24hConvert = data.TotalVolume24HTo != null? data.TotalVolume24HTo.ToString() : "-";
this.FireOnAssetUpdateReceived(ass);
}
}
catch (KeyNotFoundException)
{
// ignore
}
});
});
}
catch (HttpRequestException)
{
// no internet connection?
callFailed = true;
Thread.Sleep(retryDelay);
timeout -= retryDelay;
}
catch (Exception e)
{
OnApiErrorEventArgs args = new OnApiErrorEventArgs
{
ErrorType = ErrorType.General,
ErrorMessage = e.Message
};
this.FireOnApiError(args);
}
}while (callFailed && timeout >= 0);
}
