mediator

laba7.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace constr_PO_laba7
{
    abstract class Mediator
    {
        public abstract void Send(string msg, Person colleague);
    }

    abstract class Person
    {
        protected Mediator mediator;

        public Person(Mediator mediator)
        {
            this.mediator = mediator;
        }
    }

    class PersonOne : Person
    {
        public PersonOne(Mediator mediator)
            : base(mediator)
        { }

        public void Send(string message)
        {
            mediator.Send(message, this);
        }

        public void Notify(string message)
        {
            Console.WriteLine($"Notified: {message}");
        }
    }

    class PersonTwo : Person
    {
        public PersonTwo(Mediator mediator)
            : base(mediator)
        { }

        public void Send(string message)
        {
            mediator.Send(message, this);
        }

        public void Notify(string message)
        {
            Console.WriteLine($"Notified: {message}");
        }
    }

    class PersonMediator : Mediator
    {
        public PersonOne Person1 { get; set; }
        public PersonTwo Person2 { get; set; }
        public override void Send(string msg, Person person)
        {
            if (Person1 == person)
            {
                Console.WriteLine(person + ": ");
                Person2.Notify(msg);
            }
            else
            {
                Console.WriteLine(person + ": ");
                Person1.Notify(msg);
            }
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            PersonMediator mediator = new PersonMediator();
            PersonOne vasya = new PersonOne(mediator);
            PersonTwo petya = new PersonTwo(mediator);
            mediator.Person1 = vasya;
            mediator.Person2 = petya;
            vasya.Send("Как дела?");
            petya.Send("Да вроде нормально");

            Console.ReadLine();
        }
    }
}