player data base (data base as class)

iJunior_C#_Lesson_53

using System;
using System.IO;
using iJuniorPractice;

namespace iJuniorPractice
{
    class Program
    {
        static void Main(string[] args)
        {
            Database playerDatabase = new Database();
            DatabaseController databaseController = new DatabaseController();
            
            databaseController.OpenDatabaseController(playerDatabase);
        }
    }
    
    static class Utils
    {
        public static int ReadInt(string message = "")
        {
            int command;
            string input;

            Console.WriteLine(message);
            input = Console.ReadLine();
            
            while (int.TryParse(input, out command) == false)
            {
                Console.WriteLine("Incorrect input");
                input = Console.ReadLine();
            }

            return command;
        }
    }

class DatabaseController
{
    private const int CommandAddPlayer = 1;
    private const int CommandRemovePlayer = 2;
    private const int CommandBanPlayer = 3;
    private const int CommandUnbanPlayer = 4;
    private const int CommandShowPlayers = 5;
    private const int CommandExit = 6;

    public void ShowDatabaseControllerCommands()
    {
        Console.WriteLine("MAIN MENU");
        Console.WriteLine
        (
            "Commands:\n" +
            $"{CommandAddPlayer}. Add player\n" +
            $"{CommandRemovePlayer}. Remove player\n" +
            $"{CommandBanPlayer}. Ban player\n" +
            $"{CommandUnbanPlayer}. Unban player\n" +
            $"{CommandShowPlayers}. Show players\n" +
            $"{CommandExit}.Exit\n"
        );
    }

    public void OpenDatabaseController(Database playerDatabase)
    {
        bool isWork = true;

        while (isWork)
        {
            int input;

            ShowDatabaseControllerCommands();
            input =  Utils.ReadInt();

            switch (input)
            {
                case CommandAddPlayer:
                    playerDatabase.AddPlayer();
                    break;

                case CommandRemovePlayer:
                    playerDatabase.RemovePlayer();
                    break;

                case CommandBanPlayer:
                    playerDatabase.BanPlayer();
                    break;

                case CommandUnbanPlayer:
                    playerDatabase.UnbanPlayer();
                    break;

                case CommandShowPlayers:
                    playerDatabase.ShowPlayers();
                    break;

                case CommandExit:
                    isWork = false;
                    Console.WriteLine("Goodbye");
                    break;

                default:
                    Console.WriteLine("Incorrect input");
                    break;
            }

            Console.WriteLine("Press any key to continue...");
            Console.ReadKey();
            Console.Clear();
        }
    }
}

class Player
    {
        public Player(int id)
        {
            Id = id;
            
            Console.WriteLine("Enter name: ");
            Name = Console.ReadLine();
            Level = Utils.ReadInt("Enter level: ");
            IsBan = false;
        }

        public int Id { get; private set; }
        public string Name{ get; }
        public int Level{ get; }
        public bool IsBan { get; private set; }

        public void ShowInfo()
        {
            Console.WriteLine($"Name: {Name}, Level: {Level}, is Banned: {IsBan}");
        }

        public void Ban()
        {
            IsBan = true;
        }   
        
        public void Unban()
        {
            IsBan = false;
        }
    }

    class Database
    {
        private List<Player> _players;
        private int _lastPlayerId;
        
        public Database()
        {
            _lastPlayerId = 0;
            _players = new List<Player>();
        }
        
        public void AddPlayer()
        {
            _players.Add(new Player(_lastPlayerId++));
        }

        public void RemovePlayer()
        {
            if (TryGetPlayer(out Player player))
            {
                _players.Remove(player);
            }
        }

        public void BanPlayer()
        {
            if (TryGetPlayer(out Player player))
            {
                player.Ban();
                Console.WriteLine($"{player.Name} banned");
            }
        }

        public void UnbanPlayer()
        {
            if (TryGetPlayer(out Player player))
            {
                player.Unban();
                Console.WriteLine($"{player.Name} unbanned");
            }
        }
        
        public void ShowPlayers()
        {
            if(_players.Count > 0)
            {
                foreach (var player in _players)
                {
                    Console.Write($"Player Id: {player.Id}, ");
                    player.ShowInfo();
                }
            }
            else
            {
                Console.WriteLine("No players yet.");
            }
        }

        private bool TryGetPlayer(out Player player)
        {
            if (_players.Count > 0)
            {
                int playerId = Utils.ReadInt("Enter player Id");
                
                foreach (var playerObject in _players)
                {
                    if (playerObject.Id == playerId)
                    {
                        player = playerObject;
                        return true;
                    }
                }

                Console.WriteLine("Player not found");
                player = null;
                return false;
            }
            else
            {
                Console.WriteLine("Database is empty");
                player = null;
                return false;
            }
        }
    }
}