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Chường trình quản lý sở thú - Lập trình C# - Lập trình C Sharp

#Program.cs

using System;

namespace BT1734
{
    class Program
    {
        static Zoo zoo;

        static void Main(string[] args)
        {
            zoo = new Zoo();
            int choose;

            do
            {
                ShowMenu();
                choose = Utility.ReadInt();

                switch(choose)
                {
                    case 1:
                        zoo.ThemChuong();
                        break;
                    case 2:
                        zoo.XoaChuong();
                        break;
                    case 3:
                        ThemConVat();
                        break;
                    case 4:
                        XoaConVat();
                        break;
                    case 5:
                        XemThongTin();
                        break;
                    case 6:
                        LuuJSONFile();
                        break;
                    case 7:
                        //DocJSONFile();
                        break;
                    case 8:
                        Console.WriteLine("Thoat!!!");
                        break;
                    default:
                        Console.WriteLine("Nhap sai!!!");
                        break;
                }
            } while (choose != 8);
        }

        //private static void DocJSONFile()
        //{
        //    //B1. Doc noi dung json tu file zoo.json
        //    string json = System.IO.File.ReadAllText(@"zoo.json");

        //    if(json != null && json != "")
        //    {
        //        zoo = Newtonsoft.Json.JsonConvert.DeserializeObject<Zoo>(json);
        //    }

        //    Console.WriteLine("Doc noi dung thanh cong!!!");
        //}

        private static void LuuJSONFile()
        {
            //B1. Convert zoo object -> json string
            string json = Newtonsoft.Json.JsonConvert.SerializeObject(zoo);

            //B2. Luu json string -> FILE
            System.IO.File.WriteAllText(@"zoo.json", json);

            Console.WriteLine("Luu thong tin thanh cong!!!");
        }

        private static void XemThongTin()
        {
            Console.WriteLine("=== Xem thong tin");
            foreach(Chuong chuong in zoo.DanhSachChuong)
            {
                chuong.XemThongTin();
            }
        }

        private static void XoaConVat()
        {
            Console.WriteLine("Nhap Ma Chuong Can Xoa Dong Vat: ");
            int machuong = Utility.ReadInt();

            foreach (Chuong chuong in zoo.DanhSachChuong)
            {
                if (chuong.MaChuong == machuong)
                {
                    Console.WriteLine("Nhap ten dong vat can xoa: ");
                    string name = Console.ReadLine();
                    chuong.XoaConVat(name);
                    return;
                }
            }

            Console.WriteLine("Khong tim thay chuong cho ma: " + machuong);
        }

        private static void ThemConVat()
        {
            Console.WriteLine("Nhap Ma Chuong Can Them Dong Vat: ");
            int machuong = Utility.ReadInt();

            foreach(Chuong chuong in zoo.DanhSachChuong)
            {
                if(chuong.MaChuong == machuong)
                {
                    chuong.ThemConVat();
                    return;
                }
            }

            Console.WriteLine("Khong tim thay chuong cho ma: " + machuong);
        }

        static void ShowMenu()
        {
            Console.WriteLine("1. Them chuong");
            Console.WriteLine("2. Xoa chuong");
            Console.WriteLine("3. Them con vat");
            Console.WriteLine("4. Xoa con vat");
            Console.WriteLine("5. Xem thong tin");
            Console.WriteLine("6. Luu zoo.json");
            Console.WriteLine("7. Doc zoo.json");
            Console.WriteLine("8. Thoat");
            Console.WriteLine("Chon: ");
        }
    }
}

#Utility.cs

using System;
namespace BT1734
{
    public class Utility
    {
        public static int ReadInt()
        {
            int value;

            while(true)
            {
                try
                {
                    value = int.Parse(Console.ReadLine());
                    return value;
                } catch(Exception ex)
                {
                    Console.WriteLine("Nhap sai!!!");
                }
            }
        }
    }
}

#Animal.cs

using System;
namespace BT1734
{
    public abstract class Animal
    {
        public string Ten { get; set; }
        public int Tuoi { get; set; }
        public string MoTa { get; set; }

        public Animal()
        {
        }

        public Animal(string ten, int tuoi, string moTa)
        {
            Ten = ten;
            Tuoi = tuoi;
            MoTa = moTa;
        }

        public void NhapThongTin()
        {
            Console.WriteLine("Nhap ten: ");
            Ten = Console.ReadLine();

            Console.WriteLine("Nhap mo ta: ");
            MoTa = Console.ReadLine();

            Console.WriteLine("Nhap tuoi: ");
            Tuoi = Utility.ReadInt();
        }

        public void XemThongTin()
        {
            Console.WriteLine("Ten: {0}, tuoi: {1}, mo ta: {2}", Ten, Tuoi, MoTa);
        }

        public abstract void TiengKeu();
    }
}

#Dog.cs

using System;
namespace BT1734
{
    public class Dog : Animal
    {
        public Dog()
        {
        }

        public override void TiengKeu()
        {
            Console.WriteLine("Dog ...");
        }
    }
}

#Cat.cs

using System;
namespace BT1734
{
    public class Cat : Animal
    {
        public Cat()
        {
        }

        public override void TiengKeu()
        {
            Console.WriteLine("Cat ...");
        }
    }
}

#Tiger.cs

using System;
namespace BT1734
{
    public class Tiger : Animal
    {
        public Tiger()
        {
        }

        public override void TiengKeu()
        {
            Console.WriteLine("Tiger ...");
        }
    }
}

#Chuong.cs

using System;
using System.Collections.Generic;

namespace BT1734
{
    public class Chuong
    {
        public int MaChuong { get; set; }
        public List<Animal> AnimalList { get; set; }

        public Chuong()
        {
            AnimalList = new List<Animal>();
        }

        public void NhapThongTin()
        {
            Console.WriteLine("Nhap ma chuong: ");
            MaChuong = Utility.ReadInt();

            Console.WriteLine("Nhap so dong vat can them: ");
            int N = Utility.ReadInt();
            for(int i=0;i<N;i++)
            {
                ThemConVat();
            }
        }

        public void XemThongTin()
        {
            Console.WriteLine("=== Ma chuong: {0}", MaChuong);
            Console.WriteLine("Danh sach dong vat");

            foreach(Animal animal in AnimalList)
            {
                animal.XemThongTin();
            }
        }

        public void ThemConVat()
        {
            Console.WriteLine("=== Chon dong vat can them: ");
            Console.WriteLine("1. Tiger");
            Console.WriteLine("2. Dog");
            Console.WriteLine("3. Cat");
            Console.WriteLine("Chon: ");
            int choose = Utility.ReadInt();

            Animal animal;

            switch(choose)
            {
                case 1:
                    animal = new Tiger();
                    break;
                case 2:
                    animal = new Dog();
                    break;
                default:
                    animal = new Cat();
                    break;
            }
            animal.NhapThongTin();

            AnimalList.Add(animal);
        }

        /**
         * Xet TH: nhieu dong vat trung ten -> yeu cau xoa tat ca dong vat co ten la "name"
         */
        public void XoaConVat(string name)
        {
            for(int i=0;i<AnimalList.Count;i++) {
               if(AnimalList[i].Ten == name)
                {
                    //Mang dong vat = {A, B, K, K, C, D}
                    //Xoa dong vat co ten: K
                    //i = 2 => K (3) => K(2)
                    AnimalList.RemoveAt(i);
                    i--;
                }
            }
        }
    }
}

#Zoo.cs

using System;
using System.Collections.Generic;

namespace BT1734
{
    public class Zoo
    {
        public List<Chuong> DanhSachChuong { get; set; }

        public Zoo()
        {
            DanhSachChuong = new List<Chuong>();
        }

        public void ThemChuong()
        {
            Console.WriteLine("Nhap so chuong can them: ");
            int N = Utility.ReadInt();

            for(int i=0;i<N;i++)
            {
                Chuong chuong = new Chuong();
                chuong.NhapThongTin();

                DanhSachChuong.Add(chuong);
            }
        }

        public void XoaChuong()
        {
            Console.WriteLine("Nhap Ma Chuong can xoa: ");
            int machuong = Utility.ReadInt();

            foreach(Chuong chuong in DanhSachChuong)
            {
                if(chuong.MaChuong == machuong)
                {
                    DanhSachChuong.Remove(chuong);
                    Console.WriteLine("Xoa thanh cong!!!");
                    return;
                }
            }

            Console.WriteLine("Khong tim thay machuong can xoa!!!");
        }
    }
}