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Chương trình quản lý khách sạn - Develop Hotel Project - Lập Trình C# - Lập Trình C Sharp

#Booking.cs

using System;
using BT1460.Utils;

namespace BT1460.Models
{
    public class Booking
    {
        public string HotelNo { get; set; }
        public string RoomNo { get; set; }
        public string CMTND { get; set; }
        public DateTime CheckIn { get; set; }
        public DateTime CheckOut { get; set; }

        public Booking()
        {
        }

        public void Input()
        {
            if(DataController.getInstance().HotelList.Count == 0)
            {
                return;
            }

            bool isFind = false;

            Console.WriteLine("Nhap ma khach san: ");
            Hotel currentHotel = null;
            while(true)
            {
                HotelNo = Console.ReadLine();
                isFind = false;
                foreach(Hotel hotel in DataController.getInstance().HotelList)
                {
                    if(hotel.HotelNo == HotelNo)
                    {
                        currentHotel = hotel;
                        isFind = true;
                        break;
                    }
                }
                if(!isFind)
                {
                    Console.WriteLine("Nhap lai: ");
                } else
                {
                    break;
                }
            }

            Console.WriteLine("Nhap ma phong: ");
            while (true)
            {
                RoomNo = Console.ReadLine();
                isFind = false;
                foreach (Room room in currentHotel.RoomList)
                {
                    if (room.RoomNo == RoomNo)
                    {
                        isFind = true;
                        break;
                    }
                }
                if (!isFind)
                {
                    Console.WriteLine("Nhap lai: ");
                }
                else
                {
                    break;
                }
            }

            Console.WriteLine("Nhap CMTND: ");
            CMTND = Console.ReadLine();
            isFind = false;
            foreach(Customer customer in DataController.getInstance().CustomerList)
            {
                if(customer.CMTND == CMTND)
                {
                    isFind = true;
                    break;
                }
            }
            if(!isFind)
            {
                Customer customer = new Customer(CMTND);
                customer.InputWithoutCMTND();

                DataController.getInstance().CustomerList.Add(customer);
            }

            Console.WriteLine("Nhap ngay nhan (yyyy-MM-dd HH:mm:ss): ");
            CheckIn = Utility.ConvertStringToDateTime(Console.ReadLine());

            Console.WriteLine("Nhap ngay tra (yyyy-MM-dd HH:mm:ss): ");
            CheckOut = Utility.ConvertStringToDateTime(Console.ReadLine());
        }

        public void Display()
        {
            Console.WriteLine("Ma KS: {0}, ma phong: {1}, CMTND: {2}, " +
                "Ngay nhan: {3}, ngay tra: {4}", HotelNo, RoomNo, CMTND,
                Utility.ConvertDateTimeToString(CheckIn), Utility.ConvertDateTimeToString(CheckOut));
        }
    }
}

#Customer.cs

using System;
namespace BT1460.Models
{
    public class Customer
    {
        public string Fullname { get; set; }
        public int Age { get; set; }
        public string CMTND { get; set; }
        public string Gender { get; set; }
        public string Address { get; set; }

        public Customer()
        {
        }

        public Customer(string cmtnd)
        {
            CMTND = cmtnd;
        }

        public Customer(string fullname, int age, string cmtnd, string gender, string address)
        {
            Fullname = fullname;
            Age = age;
            CMTND = cmtnd;
            Gender = gender;
            Address = address;
        }

        public void Input()
        {
            Console.WriteLine("Nhap CMTND: ");
            CMTND = Console.ReadLine();

            InputWithoutCMTND();
        }

        public void InputWithoutCMTND()
        {
            Console.WriteLine("Nhap ten: ");
            Fullname = Console.ReadLine();

            Console.WriteLine("Nhap tuoi: ");
            Age = int.Parse(Console.ReadLine());

            Console.WriteLine("Nhap gioi tinh: ");
            Gender = Console.ReadLine();

            Console.WriteLine("Nhap dia chi: ");
            Address = Console.ReadLine();
        }

        public void Display()
        {
            Console.WriteLine("Ten: {0}, tuoi: {1}, cmtnd: {2}, gioi tinh: {3}, dia chi: {4}", Fullname, Age, CMTND, Gender, Address);
        }
    }
}

#DataController.cs

using System;
using System.Collections.Generic;

namespace BT1460.Models
{
    public class DataController
    {
        public List<Customer> CustomerList { get; set; }
        public List<Hotel> HotelList { get; set; }
        public List<Booking> BookingList { get; set; }

        public static DataController instance = null;

        private DataController()
        {
            CustomerList = new List<Customer>();
            HotelList = new List<Hotel>();
            BookingList = new List<Booking>();
        }

        public static DataController getInstance()
        {
            if(instance == null)
            {
                instance = new DataController();
            }
            return instance;
        }

        public Hotel FindHotel(string hotelNo)
        {
            foreach(Hotel hotel in HotelList)
            {
                if(hotel.HotelNo == hotelNo)
                {
                    return hotel;
                }
            }
            return null;
        }
    }
}

#Hotel.cs

using System;
using System.Collections.Generic;
using BT1460.Models;

namespace BT1460.Models
{
    public class Hotel
    {
        public string HotelNo { get; set; }
        public string Name { get; set; }
        public string Address { get; set; }
        public string Type { get; set; }
        public List<Room> RoomList { get; set; }

        public Hotel()
        {
            RoomList = new List<Room>();
        }

        public void Input()
        {
            Console.WriteLine("Nhap ma khach san: ");
            HotelNo = Console.ReadLine();

            Console.WriteLine("Nhap ten khach san: ");
            Name = Console.ReadLine();

            Console.WriteLine("Nhap dia chi: ");
            Address = Console.ReadLine();

            Console.WriteLine("Nhap loai: ");
            Type = Console.ReadLine();

            Console.WriteLine("Nhap so phong: ");
            int N = int.Parse(Console.ReadLine());

            for(int i=0;i<N;i++)
            {
                Room room = new Room();
                room.Input();

                RoomList.Add(room);
            }
        }

        public void DisplayAll ()
        {
            Console.WriteLine("Ten KS: {0}, ma ks: {1}, dia chi: {2}, loai: {3}",
                Name, HotelNo, Address, Type);
            Console.WriteLine("Danh sach phong: ");
            foreach(Room room in RoomList)
            {
                room.Display();
            }
        }

        public void Display()
        {
            Console.WriteLine("Ten KS: {0}, ma ks: {1}, dia chi: {2}, loai: {3}",
                Name, HotelNo, Address, Type);
        }

        Room findRoom(string roomNo)
        {
            foreach(Room room in RoomList)
            {
                if(room.RoomNo == roomNo)
                {
                    return room;
                }
            }
            return null;
        }

        public int CalculateProfit(List<Booking> bookings)
        {
            int profit = 0;
            foreach(Booking booking in bookings)
            {
                if(booking.HotelNo == HotelNo)
                {
                    Room room = findRoom(booking.RoomNo);
                    if(room != null)
                    {
                        profit += room.Price;
                    }
                }
            }
            return profit;
        }

        public void ShowRoomAvailable(List<Booking> bookings)
        {
            Display();
            Console.WriteLine("Danh sach phong trong: ");
            foreach(Room room in RoomList)
            {
                if(CheckAvailable(bookings, room))
                {
                    room.Display();
                }
            }
        }

        bool CheckAvailable(List<Booking> bookings, Room room)
        {
            foreach(Booking booking in bookings)
            {
                if(booking.HotelNo == HotelNo && booking.RoomNo == room.RoomNo)
                {
                    return false;
                }
            }
            return true;
        }
    }
}

#Room.cs

using System;
namespace BT1460.Models
{
    public class Room
    {
        public string RoomNo { get; set; }
        public string RoomName { get; set; }
        public int Floor { get; set; }
        public int NumMax { get; set; }
        public int Price { get; set; }

        public Room()
        {
        }

        public void Input()
        {
            Console.WriteLine("Nhap ma phong: ");
            RoomNo = Console.ReadLine();

            Console.WriteLine("Nhap ten phong: ");
            RoomName = Console.ReadLine();

            Console.WriteLine("Nhap tang: ");
            Floor = int.Parse(Console.ReadLine());

            Console.WriteLine("Nhap so nguoi toi da: ");
            NumMax = int.Parse(Console.ReadLine());

            Console.WriteLine("Nhap gia: ");
            Price = int.Parse(Console.ReadLine());
        }

        public void Display()
        {
            Console.WriteLine("Ma phong: {0}, ten phong: {1}, " +
                "tang: {2}, so nguoi toi da: {3}, " +
                "gia tien: {4}", RoomNo, RoomName, Floor, NumMax, Price);
        }
    }
}

#Utility.cs

using System;
using System.Globalization;

namespace BT1460.Utils
{
    public class Utility
    {
        /**
         * Format: yyyy-MM-dd HH:mm:ss
         */
        public static DateTime ConvertStringToDateTime(String str)
        {
            DateTime outputDateTimeValue;
            if (DateTime.TryParseExact(str, "yyyy-MM-dd HH:mm:ss", System.Globalization.CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.None, out outputDateTimeValue))
            {
                return outputDateTimeValue;
            }
            return new DateTime();
        }

        /**
         * Format: yyyy-MM-dd HH:mm:ss
         */
        public static string ConvertDateTimeToString(DateTime dateTime)
        {
            return dateTime.ToString("yyyy-MM-dd HH:mm:ss");
        }
    }
}

#Program.cs

using System;
using BT1460.Models;
using BT1460.Utils;
using System.Collections.Generic;

namespace BT1460
{
    class Program
    {
        //1. Quan ly khach hang
        //2. Quan ly dc KS
        //3. Quan ly dc booking
        static void Main(string[] args)
        {
            int choose;

            do
            {
                ShowMenu();
                choose = int.Parse(Console.ReadLine());

                switch(choose)
                {
                    case 1:
                        InputHotel();
                        break;
                    case 2:
                        DisplayHotel();
                        break;
                    case 3:
                        InputBooking();
                        break;
                    case 4:
                        FindRoomAvailable();
                        break;
                    case 5:
                        CalculateProfit();
                        break;
                    case 6:
                        SearchCustomerByCMNTD();
                        break;
                    case 7:
                        Console.WriteLine("Thoat!!!");
                        break;
                    default:
                        Console.WriteLine("Nhap sai!!!");
                        break;
                }
            } while (choose != 7);
        }

        private static void FindRoomAvailable()
        {
            Console.WriteLine("Nhap ngay nhan (yyyy-MM-dd HH:mm:ss): ");
            DateTime checkIn = Utility.ConvertStringToDateTime(Console.ReadLine());

            Console.WriteLine("Nhap ngay tra (yyyy-MM-dd HH:mm:ss): ");
            DateTime checkOut = Utility.ConvertStringToDateTime(Console.ReadLine());

            //Book -> CheckIn (checkIn & checkOut) || CheckOut (checkIn & checkOut)
            List<Booking> bookList = new List<Booking>();
            foreach(Booking booking in DataController.getInstance().BookingList)
            {
                if(booking.CheckIn >= checkIn && booking.CheckIn <= checkOut)
                {
                    bookList.Add(booking);
                } else if (booking.CheckOut >= checkIn && booking.CheckOut <= checkOut)
                {
                    bookList.Add(booking);
                }
            }

            //Hien thi danh sach phong con trong:
            foreach(Hotel hotel in DataController.getInstance().HotelList)
            {
                hotel.ShowRoomAvailable(bookList);
            }
        }

        private static void SearchCustomerByCMNTD()
        {
            Console.WriteLine("Nhap CMTND can tim: ");
            string cmntd = Console.ReadLine();

            List<Hotel> list = new List<Hotel>();

            foreach(Booking booking in DataController.getInstance().BookingList)
            {
                if(booking.CMTND == cmntd)
                {
                    Hotel hotel = DataController.getInstance().FindHotel(booking.HotelNo);
                    if(hotel != null && !list.Contains(hotel))
                    {
                        list.Add(hotel);
                    }
                }
            }

            Console.WriteLine("Danh sach KS ma KH toi: ");
            foreach(Hotel hotel in list)
            {
                hotel.Display();
            }
        }

        private static void CalculateProfit()
        {
            foreach(Hotel hotel in DataController.getInstance().HotelList)
            {
                int profit = hotel.CalculateProfit(DataController.getInstance().BookingList);
                Console.WriteLine("KS: {0}, ma ks: {1}, doanh thu: {2}", hotel.Name, hotel.HotelNo, profit);
            }
        }

        private static void InputBooking()
        {
            Console.WriteLine("Nhap thong tin dat phong: ");
            Booking booking = new Booking();
            booking.Input();

            DataController.getInstance().BookingList.Add(booking);
        }

        private static void DisplayHotel()
        {
            Console.WriteLine("Thong tin KS:");
            foreach(Hotel hotel in DataController.getInstance().HotelList)
            {
                hotel.Display();
            }
        }

        private static void InputHotel()
        {
            Console.WriteLine("Nhap so khach san can them: ");
            int N = int.Parse(Console.ReadLine());

            for(int i=0;i<N;i++)
            {
                Hotel hotel = new Hotel();
                hotel.Input();

                DataController.getInstance().HotelList.Add(hotel);
            }
        }

        static void ShowMenu()
        {
            Console.WriteLine("1. Nhap thong tin khach san");
            Console.WriteLine("2. Hien thi thong tin KS");
            Console.WriteLine("3. Dat phong");
            Console.WriteLine("4. Tim phong trong");
            Console.WriteLine("5. Thong ke doanh thu");
            Console.WriteLine("6. Tim kiem KH");
            Console.WriteLine("7. Thoat");
            Console.WriteLine("Chon: ");
        }
    }
}