Added AddProblemDetailsConventions overload (#1)

Author: lonix1

src/ProblemDetails/Mvc/MvcBuilderExtensions.cs

@@ -18,18 +18,33 @@ public static class MvcBuilderExtensions
         /// <param name="builder">The <see cref="IMvcBuilder"/>.</param>
         /// <returns>The <see cref="IMvcBuilder"/>.</returns>
         public static IMvcBuilder AddProblemDetailsConventions(this IMvcBuilder builder)
+        {
+            AddProblemDetailsConventions(builder.Services);
+
+            return builder;
+        }
+
+        /// <summary>
+        /// Adds conventions to turn off MVC's built-in <see cref="ApiBehaviorOptions.ClientErrorMapping"/>,
+        /// adds a <see cref="ProducesErrorResponseTypeAttribute"/> to all actions with in controllers with an
+        /// <see cref="ApiControllerAttribute"/> and a result filter that transforms <see cref="ObjectResult"/>
+        /// containing a <see cref="string"/> to <see cref="ProblemDetails"/> responses.
+        /// </summary>
+        /// <param name="services">The <see cref="IServiceCollection"/>.</param>
+        /// <returns>The <see cref="IServiceCollection"/>.</returns>
+        public static IServiceCollection AddProblemDetailsConventions(this IServiceCollection services)
         {
             // Forward the MVC problem details factory registration to the factory used by the middleware.
-            builder.Services.Replace(
+            services.Replace(
                 ServiceDescriptor.Singleton<MvcProblemDetailsFactory>(p => p.GetRequiredService<ProblemDetailsFactory>()));
 
-            builder.Services.TryAddEnumerable(
+            services.TryAddEnumerable(
                 ServiceDescriptor.Transient<IConfigureOptions<ApiBehaviorOptions>, ProblemDetailsApiBehaviorOptionsSetup>());
 
-            builder.Services.TryAddEnumerable(
+            services.TryAddEnumerable(
                 ServiceDescriptor.Transient<IApplicationModelProvider, ProblemDetailsApplicationModelProvider>());
 
-            return builder;
+            return services;
         }
     }
 }