public bool SellShare(TradeModel trade)
{
try
{
var share = _dbContext.Shares.Find(trade.ShareId);
var portfolioUser = _dbContext.Portfolios.Find(trade.PortfolioId);
if (share != null && share.Symbol.Length == 3 && share.Symbol.All(c => char.IsUpper(c)) && portfolioUser != null && !string.IsNullOrEmpty(trade.Action) && trade.Action.Equals("SELL"))
{
var boughtSharesList = _dbContext.Trades.Where(a => a.Price / a.NoOfShares == share.Rate && a.Symbol == trade.Symbol && a.Action == "BUY").ToList();
int boughtShares = 0;
foreach (var i in boughtSharesList)
{
boughtShares = boughtShares + i.NoOfShares;
}
var soldsharesList = _dbContext.Trades.Where(a => a.Price / a.NoOfShares == share.Rate && a.Symbol == trade.Symbol && a.Action == "SELL").ToList();
int soldShares = 0;
foreach (var j in soldsharesList)
{
soldShares = soldShares + j.NoOfShares;
}
var availableSharesTobeSold = (boughtShares - soldShares);
if (availableSharesTobeSold >= trade.NoOfShares)
{
var tde = new Trade
{
Action = trade.Action,
NoOfShares = trade.NoOfShares,
Price = (trade.Price * trade.NoOfShares),
PortfolioId = trade.PortfolioId,
Symbol = trade.Symbol
};
decimal latestPrice = trade.Price;
share.Rate = latestPrice;
_dbContext.Add(tde);
_dbContext.SaveChanges();
return(true);
}
}
return(false);
}
catch (Exception ex)
{
return(false);
}
}
public async Task <Trade> Buy(TradeModel model, Func <HourlyShareRate> hourlyShareRateFunc)
{
Trade trade = new Trade
{
NoOfShares = model.NoOfShares,
PortfolioId = model.PortfolioId,
Symbol = model.Symbol,
Action = model.Action,
Price = hourlyShareRateFunc().Rate
};
await InsertAsync(trade);
return(trade);
}
public async Task <Trade> Sell(TradeModel model, Func <HourlyShareRate> hourlyShareRateFunc)
{
IEnumerable <TradeSummary> trades = GetSummaryTradeByProfileIdAndSymbol(model.PortfolioId, model.Symbol);
int noOfShare = -model.NoOfShares;
foreach (TradeSummary item in trades)
{
switch (item.Action)
{
case "BUY":
noOfShare += item.NoOfShares;
break;
case "SELL":
noOfShare -= item.NoOfShares;
break;
default:
throw new HttpStatusCodeException(400, "Action not exists");
}
}
if (noOfShare < 0)
{
throw new HttpStatusCodeException(400, "Insufficient quantities available");
}
Trade trade = new Trade
{
NoOfShares = model.NoOfShares,
PortfolioId = model.PortfolioId,
Symbol = model.Symbol,
Action = model.Action,
Price = hourlyShareRateFunc().Rate
};
await InsertAsync(trade);
return(trade);
}
public bool BuyShare(TradeModel trade)
{
try
{
var share = _dbContext.Shares.Find(trade.ShareId);
var portfolioUser = _dbContext.Portfolios.Find(trade.PortfolioId);
if (share != null && share.Symbol.Length == 3 && share.Symbol.All(c => char.IsUpper(c)) && portfolioUser != null && !string.IsNullOrEmpty(trade.Action) && trade.Action.Equals("BUY"))
{
var tde = new Trade
{
Action = trade.Action,
NoOfShares = trade.NoOfShares,
Price = (trade.Price * trade.NoOfShares),
PortfolioId = trade.PortfolioId,
Symbol = trade.Symbol
};
decimal latestPrice = trade.Price;
share.Rate = latestPrice;
_dbContext.Add(tde);
_dbContext.SaveChanges();
return(true);
}
else
{
return(false);
}
}
catch (Exception ex)
{
return(false);
}
}