public async Task <IEnumerable <InvestmentOptions> > GetBestTradingOptionsForAssets(decimal limit)
{
var assets = await _context.TradeAssets.Where(asset => asset.Open > 0 && asset.Open <= limit)
.Take(50)
.ToListAsync();
var result = new List <InvestmentOptions>();
foreach (var asset in assets)
{
if (asset.Open is null or 0)
{
continue;
}
var quantity = (int)(limit / asset.Open);
var investment = new InvestmentOptions
{
Description = asset.Symbol,
Quantity = quantity,
BaseValue = asset.Open,
ProductId = asset.Id,
TotalValue = quantity * asset.Open,
DailyTradedVolume = asset.Volume.ToString(),
IsCrypto = false
};
result.Add(investment);
}
result.Sort((item0, item1) => item1.TotalValue > item0.TotalValue ? 1 : -1);
return(result);
}
public async Task <IEnumerable <InvestmentOptions> > GetBestTradingOptionsForCrypto(decimal limit)
{
var coins = await _context.CryptoCoins
.Where((c) =>
c.PriceUsd != null &&
Convert.ToDecimal(c.PriceUsd) > (decimal)0.5 &&
Convert.ToDecimal(c.PriceUsd) <= limit)
.Take(50)
.ToListAsync();
var result = new List <InvestmentOptions>();
foreach (var coin in coins)
{
var parseSuccess = decimal.TryParse(coin.PriceUsd, out var price);
if (!parseSuccess)
{
continue;
}
var quantity = (int)(limit / price);
var investment = new InvestmentOptions
{
Description = coin.Name,
Quantity = quantity,
BaseValue = price,
ProductId = coin.Id,
TotalValue = quantity * price,
DailyTradedVolume = coin.Volume1DayUsd,
IsCrypto = true
};
result.Add(investment);
}
result.Sort((item0, item1) => item1.TotalValue > item0.TotalValue ? 1 : -1);
return(result);
}
