using System;

using System.Collections.Generic;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        var userEventsService = new UserEventsService();

        Console.WriteLine("User Created Start");

        userEventsService.RaiseEvent(new UserCreatedEvent("Mark"));

        Console.WriteLine("User Created End");

        Console.WriteLine("Manager Password Reset Start");

        userEventsService.RaiseEvent(new AddManagerPasswordResetEvent("ABC", "Mark"));

        Console.WriteLine("Manager Password Reset End");

    }

}

​

public interface IDomainService

{

     void RaiseEvent(IEvent @event);

}

​

public abstract class DomainEventsService : IDomainService

{

    public virtual void RaiseEvent(IEvent @event)

    {

         //common implementation and save it in database

         Console.WriteLine("DomainEventsService - Type: " + @event.GetType() + " Object: " + JsonConvert.SerializeObject(@event));

    }

}

​

public class UserEventsService : DomainEventsService

{

     //override the common implementation if neccesory

     public override void RaiseEvent(IEvent @event)

     {

         base.RaiseEvent(@event);

     }

}

​

public abstract class IEvent

{

   public string UserId {get; set;}

   public object Data { get; set; }

   public IEvent (string userId)

   {

      UserId = userId;

   }

}

​

public class UserCreatedEvent : IEvent

{

  public UserCreatedEvent(string userId) : base (userId)

  {

  }

}

​

public class AddManagerPasswordResetEvent : IEvent

{

   public AddManagerPasswordResetEvent (string userId, string affectedUserId) : base (userId)

   {

       Data = new Dictionary<string, string>

       {

           {"affectedUserId", affectedUserId}

       };

   }

}