using System;

public class Program

{

    public static void Main()

    {

        CanAccessAdminPanel(null);

        User matthias = new User("Matthias", false, false);

        CanAccessAdminPanel(matthias);

        User fabio = new User("Fabio", true, false);

        CanAccessAdminPanel(fabio);

        User david = new User("David", true, true);

        CanAccessAdminPanel(david);

    }

    public static void CanAccessAdminPanel(User user)

    {

        if(user == null)

        {

            Console.WriteLine("No user was provided");

            return;

        }

        if(user.IsEnabled == false)

        {

            Console.WriteLine(user.Name + " is not enabled");

            return;

        }

        if(user.IsAdmin == false)

        {

            Console.WriteLine(user.Name + " can't access the Admin Panel");

            return;

        }

        Console.WriteLine(user.Name + " can access the Admin Panel");

    }

}

​

public class User

{

    public string Name { get; private set; }

    public bool IsEnabled { get; private set; }

    public bool IsAdmin { get; private set; }

    public User(string name, bool isEnabled, bool isAdmin)

    {

        this.Name = name;

        this.IsEnabled = isEnabled;

        this.IsAdmin = isAdmin;

    }

}