def login_user(request):
    if request.user.is_authenticated():
        return redirect("/")
    form = LoginForm(request.POST or None)
    return render(request, "users/login.html", context={"form": form})
    username = request.POST['username']
    password = request.POST['password']
    user = authenticate(username=username, password=password)
    if user is not None:
        if user.is_active:
            login(request, user)
            return render(request, "main/index.html")
        return "Account is disabled"
    return "Invalid username or password"