public IActionResult WatchlistAdd(AllStockViewModels s)
{
int?id = HttpContext.Session.GetInt32("LoggedUserId");
if (id == null)
{
return(RedirectToAction("Index", "User"));
}
// Get the User object based on the id stored in session.
User User = _context.Users.SingleOrDefault(u => u.Id == (int)id);
// Get the Watchlist and Stocks of the user.
Watchlist Watchlist = _context.Watchlists
.Include(w => w.Stocks)
.SingleOrDefault(p => p.User == User);
if (ModelState.IsValid)
{
try
{
Dictionary <string, object> Data = new Dictionary <string, object>();
// Make a API call to ensure that the inputted ticker/symbol is a valid one before storing it in user's list of Stocks.
WebRequest.GetQuote(s.WatchlistStockViewModel.Symbol, JsonResponse =>
{
Data = JsonResponse;
}
).Wait();
Stock NewStock = new Stock
{
Symbol = s.WatchlistStockViewModel.Symbol,
Name = (string)Data["companyName"],
CreatedAt = DateTime.Now,
UpdatedAt = DateTime.Now,
};
Watchlist.Stocks.Add(NewStock);
_context.Add(NewStock);
_context.SaveChanges();
return(RedirectToAction("Watchlist"));
}
// Catch will run if the ticker/symbol submitted was not found in the DB.
catch
{
// Return reason for error
TempData["NewStockError"] = "That stock does not exist in our database. Please try again.";
return(RedirectToAction("Watchlist"));
}
}
// If ModelState is invalid, return View with validation errors and also make API call to retrieve proper data to display (Stock data, place User in viewbag, place error in ViewBag)
// For each Stock in Portfolio, call API based on values in database
// Also, populate Stocks list for later use in ViewBag
ViewBag.Total = 0;
foreach (Stock Stock in Watchlist.Stocks)
{
// Create a Dictionary object to store JSON values from API call
Dictionary <string, object> Data = new Dictionary <string, object>();
// Make API call
WebRequest.GetQuote(Stock.Symbol, JsonResponse =>
{
Data = JsonResponse;
}
).Wait();
// Define values for each stock to be stored in ViewBag
double CurrentPrice = Convert.ToDouble(Data["latestPrice"]);
Stock.Name = (string)Data["companyName"];
Stock.PurchaseValue = Stock.PurchasePrice * Stock.Shares;
Stock.CurrentPrice = CurrentPrice;
Stock.CurrentValue = CurrentPrice * Stock.Shares;
Stock.GainLossPrice = CurrentPrice - Stock.PurchasePrice;
Stock.GainLossValue = (CurrentPrice - Stock.PurchasePrice) * Stock.Shares;
Stock.GainLossPercent = 100 * (CurrentPrice - Stock.PurchasePrice) / (Stock.PurchasePrice);
Stock.Week52Low = Convert.ToDouble(Data["week52Low"]);
Stock.Week52High = Convert.ToDouble(Data["week52High"]);
Stock.UpdatedAt = DateTime.Now;
_context.SaveChanges();
ViewBag.Total += Stock.CurrentValue;
}
// Store values in ViewBag for Portfolio page rendering
ViewBag.Watchlist = Watchlist;
ViewBag.User = User;
return(View("Watchlist"));
}
public IActionResult NewUser(AllUserViewModels model)
{
// Check if models received any validation errors.
if (ModelState.IsValid)
{
try
{
// Check if email already exists in DB.
var EmailExists = _context.Users.Where(e => e.Email == model.Reg.Email).SingleOrDefault();
// If email is unique, perform registration.
if (EmailExists == null)
{
// Hash and store password in DB.
PasswordHasher <RegisterViewModel> Hasher = new PasswordHasher <RegisterViewModel>();
string HashedPassword = Hasher.HashPassword(model.Reg, model.Reg.Password);
User NewUser = new User
{
FirstName = model.Reg.FirstName,
LastName = model.Reg.LastName,
Email = model.Reg.Email,
Password = HashedPassword,
CreatedAt = DateTime.Now,
UpdatedAt = DateTime.Now,
};
Portfolio Portfolio = new Portfolio
{
User = NewUser,
CreatedAt = DateTime.Now,
UpdatedAt = DateTime.Now,
};
Watchlist Watchlist = new Watchlist
{
User = NewUser,
CreatedAt = DateTime.Now,
UpdatedAt = DateTime.Now,
};
_context.Add(NewUser);
_context.Add(Portfolio);
_context.Add(Watchlist);
_context.SaveChanges();
// Set user id in session for use in identification, future db calls, and for greeting the user.
HttpContext.Session.SetInt32("LoggedUserId", NewUser.Id);
// Redirect to Profile method.
return(RedirectToAction("Profile"));
}
// Redirect w/ error if email already exists in db.
else
{
ViewBag.email = "That email is already in use. Please try again using a different one.";
MostActiveStocksAPICall();
return(View("landing"));
}
}
// Catch should only run if there was an error with the password hashing or storing on the new user in the DB.
catch
{
MostActiveStocksAPICall();
return(View("landing"));
}
}
// Else statement will run if the ModelState is invalid.
else
{
MostActiveStocksAPICall();
return(View("landing"));
}
}