public IActionResult TradeInput(TradeInputViewModel viewModel = null)
{
var role = HttpContext.Session.GetString("Role");
if (string.IsNullOrEmpty(role) || role != "Administrator" && role != "Broker")
{
return(RedirectToAction("Home", "Public"));
}
if (viewModel == null)
{
viewModel = new TradeInputViewModel();
}
viewModel.SecurityRepository = _securityRepository;
viewModel.Login = new Login
{
Role = role,
Username = HttpContext.Session.GetString("Username")
};
ModelState.Clear();
ViewData["Title"] = "Trade Input";
return(View("TradeInput", viewModel));
}
public async Task <IActionResult> Submit(TradeInputViewModel viewModel)
{
if (!viewModel.IsChecked)
{
return(TradeInput(new TradeInputViewModel
{
Result = "Warning"
}));
}
if (!int.TryParse(viewModel.BuyerId, out var buyerId) || !int.TryParse(viewModel.SellerId, out var sellerId) ||
buyerId < 0 || sellerId < 0)
{
return(Error("IDs must be non-negative integers."));
}
if (buyerId == sellerId)
{
return(Error("Buyer ID and Seller ID must be different."));
}
if (!int.TryParse(viewModel.Quantity, out var quantity) || quantity < 1)
{
return(Error("Quantity must be an integer of at least 1."));
}
if (!int.TryParse(viewModel.Price, out var price) || price < 1)
{
return(Error("Price must be an integer of at least 1."));
}
var buyer = await _traderRepository.GetAsync(buyerId);
if (buyer == null)
{
return(Error("Buyer does not exist."));
}
var seller = await _traderRepository.GetAsync(sellerId);
if (seller == null)
{
return(Error("Seller does not exist."));
}
var buyerTeamId = buyer.TeamId;
var sellerTeamId = seller.TeamId;
if (buyerTeamId == sellerTeamId)
{
return(Error("Buyer and Seller must be on different teams."));
}
var symbol = viewModel.Symbol;
var marketPrice = (await _securityRepository.GetAsync(symbol)).Price;
await _tradeRepository.InsertAsync(new Trade
{
BuyerId = buyerId,
SellerId = sellerId,
Symbol = symbol,
Quantity = quantity,
Price = price,
MarketPrice = marketPrice,
Flagged = Math.Abs((float)(price - marketPrice) / marketPrice) > Constants.FlagThreshold,
BrokerId = HttpContext.Session.GetString("Username")
});
return(TradeInput(new TradeInputViewModel {
Result = "Success"
}));
}
