//receives input from user
public ActionResult Create(user userModel)
{
using (minesweeperWebEntities db = new minesweeperWebEntities())
{
//if username already exists in database, user is notified
if (db.users.Any(x => x.username == userModel.username))
{
userModel.RegisterFail = "Username already exists";
return View("Create", userModel);
}
//otherwise, the new user is added into the database and saved
db.users.Add(userModel);
db.SaveChanges();
}
//clears the model state object and redirects user to a success view
ModelState.Clear();
Session["username"] = userModel.username;
return RedirectToAction("Index", "RegisterSuccess");
}
public ActionResult Authenticate(user userModel)
{
//using the database
using (minesweeperWebEntities db = new minesweeperWebEntities())
{
//checks database table names users for username and password
var userDetails = db.users.Where(x => x.username == userModel.username && x.password == userModel.password).FirstOrDefault();
//error message is displayed if username/password was not found in database
if (userDetails == null)
{
userModel.LoginErrorMessage = "Wrong username or password";
return(View("Index", userModel));
}
//redirects user to login success page and displays username
else
{
Session["userID"] = userDetails.id;
Session["username"] = userDetails.username;
return(RedirectToAction("Index", "HomePage"));
}
}
}
