public CryptoItemModel(CoinInfo info, CoinFullAggregatedData aggregatedData)
{
this.Info = info;
this.AggregatedData = aggregatedData;
}
/// <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);
}
