Auto detect classes with the suffix 'Actor' and register as Singleton with DI

DIAutoWireActors.cs

using System.Linq;
using System.Reflection;
using Microsoft.Extensions.DependencyInjection;

namespace Xeno.StateMachine.Extensions
{
  public static class DependencyExtension
  {
    /// <summary>Auto-wire state machine actors, directors, or coordinators.</summary>
    /// <param name="service">MS IOC service.</param>
    /// <param name="suffix">Suffix of the state machine type to register.</param>
    public static void AddActors(this IServiceCollection service, string suffix = "Actor")
    {
      var assembly = Assembly.GetExecutingAssembly();

      // search for supplied suffix, but not classes starting with 'I' for interface.
      var services = assembly.GetTypes().Where(type =>
        type.GetTypeInfo().IsClass &&
        type.Name.EndsWith(suffix) &&
        !type.Name.StartsWith("I") &&
        !type.GetTypeInfo().IsAbstract);

      foreach (var serviceType in services)
      {
        var allInterfaces = serviceType.GetInterfaces();
        var mainInterfaces = allInterfaces.Except(allInterfaces.SelectMany(t => t.GetInterfaces()));

        foreach (var iServiceType in mainInterfaces)
        {
          service.AddSingleton(iServiceType, serviceType);
        }
      }
    }
  }
}