public async Task <ActionResult> GetArbitrageSummary(int currencyId)
{
var data = await ArbitrageReader.GetData();
var arbCurrencies = data.Where(x => x.BaseCurrencyId == currencyId).Select(x => x.CurrencyId).Distinct().ToList();
var currencies = (await CurrencyReader.GetCurrencies()).Where(x => arbCurrencies.Contains(x.CurrencyId));
var exchanges = data.Select(x => x.Exchange).GroupBy(x => x).OrderByDescending(x => x.Count()).Select(x => x.Key).ToList();
var marketData = new Dictionary <CurrencyModel, List <ArbitrageDataModel> >();
foreach (var currency in currencies)
{
var currencyData = new List <ArbitrageDataModel>();
foreach (var exchange in exchanges)
{
currencyData.Add(data.FirstOrDefault(x => x.Symbol == currency.Symbol && x.BaseCurrencyId == currencyId && x.Exchange == exchange) ?? new ArbitrageDataModel {
Exchange = exchange
});
}
marketData.Add(currency, currencyData);
}
return(PartialView("_ArbitrageMarket", new ArbitrageMarketModel
{
Exchanges = exchanges,
Markets = marketData
}));
}
public async Task <ActionResult> Index()
{
var data = await ArbitrageReader.GetData();
var baseCurrencies = await CurrencyReader.GetBaseCurrencies();
var arbitrageBases = data.Select(x => x.BaseCurrencyId).Distinct();
return(View("Arbitrage", new ArbitrageModel
{
Exchanges = data.Select(x => x.Exchange).Distinct().ToList(),
BaseCurrencies = baseCurrencies.Where(x => arbitrageBases.Contains(x.CurrencyId)).ToList()
}));
}