Player Database (2)

using System;
using System.Collections.Generic;

namespace Classes
{
    internal class Program
    {
        static void Main(string[] args)
        {
            const string CommandAddPlayer = "1";
            const string CommandRemovePlayer = "2";
            const string CommandBannPlayer = "3";
            const string CommandUnbannPlayer = "4";
            const string CommandShowAllPlayers = "5";
            const string CommandExit = "0";

            bool isRunning = true;

            Datebase datebase = new Datebase();

            while (isRunning)
            {
                Console.WriteLine($"Введите команду:\n" +
                    $"{CommandAddPlayer} - добавить игрока\n" +
                    $"{CommandRemovePlayer} - удалить игрока\n" +
                    $"{CommandBannPlayer} - забанить игрока по номеру\n" +
                    $"{CommandUnbannPlayer} - разбанить игрока по номеру\n" +
                    $"{CommandShowAllPlayers} - показать всех игроков\n" +
                    $"{CommandExit} - выход\n");
                string userCommand = Console.ReadLine();

                switch (userCommand)
                {
                    case CommandAddPlayer:
                        datebase.AddPlayer();
                        break;

                    case CommandRemovePlayer:
                        datebase.RemovePlayer();
                        break;

                    case CommandBannPlayer:
                        datebase.BannPlayer();
                        break;

                    case CommandUnbannPlayer:
                        datebase.UnbannPlayer();
                        break;

                    case CommandShowAllPlayers:
                        datebase.ShowAllPlayers();
                        break;

                    case CommandExit:
                        isRunning = false;
                        break;

                    default:
                        Console.WriteLine("Повторите ввод команды");
                        break;
                }

                Console.Clear();
            }
        }
    }

    class Datebase
    {
        private List<Player> _player = new List<Player>();

        public void AddPlayer()
        {
            Console.WriteLine("Введите имя");
            string nickName = Console.ReadLine();
            Console.WriteLine("Введите номер");
            bool haveNumber = int.TryParse(Console.ReadLine(), out int number);
            Console.WriteLine("Введите уровень");
            bool haveLevel = int.TryParse(Console.ReadLine(), out int level);
            string signBaned = "0";
            string signUnbaned = "1";
            Console.WriteLine($"Статус игрока ({signBaned} - если забанен, {signUnbaned} - если доступен)");

            bool isBanned = false;
            bool haveStatus = true;

            string userInput = Console.ReadLine();

            if (userInput == signBaned)
                isBanned = true;
            else if (userInput == signUnbaned)
                isBanned = false;
            else
                haveStatus = false;

            foreach (Player player in _player)
            {
                if (player.Number == number)
                {
                    Console.WriteLine("Номер не уникален");
                    Console.ReadKey();
                    haveNumber = false;
                }
            }

            if (haveNumber == true && haveLevel == true && haveStatus == true)
            {
                _player.Add(new Player(nickName, number, level, isBanned));
            }
            else
            {
                Console.WriteLine("Неверный ввод, для продолжения нажмите что нибудь");
                Console.ReadKey();
            }
        }


        public void RemovePlayer()
        {
            Console.WriteLine("Введите номер игрока запись о котором нужно удалить");

            if (TryGetPlayer(out Player player))
                _player.Remove(player);
        }

        public void BannPlayer()
        {
            Console.WriteLine("Введите номер игрока которого нужно забанить");

            if (TryGetPlayer(out Player player))
                player.Ban();
        }

        public void UnbannPlayer()
        {
            Console.WriteLine("Введите номер игрока которого нужно разабанить");

            if (TryGetPlayer(out Player player))
                player.Unban();
        }

        public void ShowAllPlayers()
        {
            foreach (Player player in _player)
            {
                string status;

                if (player.IsBanned == true)
                    status = "Забанен";
                else
                    status = "Свободен";

                Console.WriteLine($"Ник: {player.NickName} Номер: {player.Number} Уровень: {player.Level} Статус: {status}");
            }

            Console.ReadKey();
        }

        private bool TryGetPlayer(out Player player)
        {
            int.TryParse(Console.ReadLine(), out int number);

            foreach (Player findedPlayer in _player)
            {
                if (findedPlayer.Number == number)
                {
                    player = findedPlayer;
                    return true;
                }
            }

            Console.WriteLine("Нет такого номера");
            Console.ReadKey();
            player = null;
            return false;
        }
    }

    class Player
    {
        public Player(string nickName, int number, int level, bool isBanned)
        {
            NickName = nickName;
            Number = number;
            Level = level;
            IsBanned = isBanned;
        }

        public string NickName { get; private set; }
        public int Number { get; private set; }
        public int Level { get; private set; }
        public bool IsBanned { get; private set; }

        public void Ban()
        {
            IsBanned = true;
        }

        public void Unban()
        {
            IsBanned = false;
        }
    }
}