public async Task <IObservable <BfTicker> > GetTickerSource(ProductCode productCode)
{
TryOpen();
await InitProductCodeAliasesAsync();
return(_tickSources.GetOrAdd(productCode, _ =>
{
var realProductCode = ProductCodeAliases.GetProductCodeFromAlias(productCode.ToEnumString());
var source = new RealtimeTickerSource(_webSocket, JsonSerializerSettingsFactory.GetDefaultSettings(), realProductCode);
_webSocketSources[source.Channel] = source;
return source.Publish().RefCount();
}));
}
private async Task InitProductCodeAliasesAsync()
{
if (ProductCodeAliases.HasGotProductCodes())
{
return; // Already initialized
}
foreach (var response in await _client.GetAllMarketsAsync())
{
if (response.IsError)
{
if (response.Exception != null)
{
throw response.Exception;
}
else
{
throw new InvalidOperationException(response.ErrorMessage);
}
}
ProductCodeAliases.Populate(response.GetResult());
}
}
