public PortfolioDomainModel(List<StockDomainModel> stocks, Portfolio portfolio)
{
Stocks = stocks;
ID = portfolio.ID;
Name = portfolio.Name;
DateCreated = portfolio.DateCreated;
UpdatePortfolioDollarValue();
SetWeights();
CalculateExpectedReturn();
CalculateVariance(Stocks);
}
public PortfolioDomainModel GetPortfolioDomainModel(Portfolio portfolio)
{
IEnumerable<string> symbols = portfolio.PortfolioAssets.Select(a => a.AssetSymbol);
List<Stock> stocks = _context.Stock
.Where(s => symbols.Contains(s.Symbol)).ToList();
List<StockDomainModel> stockDomainModels = new List<StockDomainModel>();
Parallel.For(0, stocks.Count(), i =>
{
int amountOwned = portfolio.PortfolioAssets.Single(a => a.AssetSymbol == stocks[i].Symbol).NumberOfAssetOwned;
stockDomainModels.Add(new StockDomainModel(stocks[i], amountOwned));
});
PortfolioDomainModel output = new PortfolioDomainModel(stockDomainModels, portfolio);
return output;
}
public async Task<IActionResult> Edit(Portfolio portfolio)
{
if (ModelState.IsValid)
{
_context.Update(portfolio);
await _context.SaveChangesAsync();
return RedirectToAction("Index");
}
HttpContext.Session.Remove("selected_port_viewmodel");
return View(portfolio);
}
public async Task<IActionResult> Create(Portfolio portfolio)
{
if (ModelState.IsValid)
{
ApplicationUser user = await _userManager.FindByIdAsync(HttpContext.User.GetUserId());
portfolio.User = user;
portfolio.DateCreated = DateTime.Now;
_context.Portfolio.Add(portfolio);
await _context.SaveChangesAsync();
return RedirectToAction("AddStock", portfolio);
}
return View();
}