add extension method to ease registering classes in bootstrap installers

src/Cortside.Common.BootStrap/ServiceCollectionExtensions.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Cortside.Common.BootStrap {
+    public static class ServiceCollectionExtensions {
+        public static IServiceCollection RegisterClassesWithSuffix<T>(this IServiceCollection services, string suffix) where T : class {
+            typeof(T).GetTypeInfo().Assembly.GetTypes()
+                .Where(x => (x.Name.EndsWith(suffix, StringComparison.InvariantCulture))
+                            && x.GetTypeInfo().IsClass
+                            && !x.GetTypeInfo().IsAbstract
+                            && x.GetInterfaces().Length > 0)
+                .ToList().ForEach(x => {
+                    x.GetInterfaces().ToList()
+                        .ForEach(i => services.AddScoped(i, x));
+                });
+
+            return services;
+        }
+    }
+}