Add an application part factory for an assembly that contains controllers and views. (#30481)

Author: pranavkm

src/Mvc/Mvc.Razor/src/ApplicationParts/ConsolidatedAssemblyApplicationPartFactory.cs

@@ -0,0 +1,28 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+
+namespace Microsoft.AspNetCore.Mvc.ApplicationParts
+{
+    /// <summary>
+    /// Configures an <see cref="ApplicationPart" /> that contains controllers, as well as Razor views and Pages.
+    /// <para>
+    /// Combines the results of <see cref="DefaultApplicationPartFactory.GetApplicationParts(Assembly)"/> and
+    /// <see cref="CompiledRazorAssemblyApplicationPartFactory.GetApplicationParts(Assembly)"/>. This part factory
+    /// may be used if Razor views or Razor Pages are compiled in to with other types including controllers.
+    /// </para>
+    /// </summary>
+    public sealed class ConsolidatedAssemblyApplicationPartFactory : ApplicationPartFactory
+    {
+        /// <inheritdoc />
+        public override IEnumerable<ApplicationPart> GetApplicationParts(Assembly assembly)
+        {
+            return Enumerable.Concat(
+                DefaultApplicationPartFactory.GetDefaultApplicationParts(assembly),
+                CompiledRazorAssemblyApplicationPartFactory.GetDefaultApplicationParts(assembly));
+        }
+    }
+}

src/Mvc/Mvc.Razor/src/PublicAPI.Unshipped.txt

@@ -1 +1,4 @@
 #nullable enable
+Microsoft.AspNetCore.Mvc.ApplicationParts.ConsolidatedAssemblyApplicationPartFactory
+Microsoft.AspNetCore.Mvc.ApplicationParts.ConsolidatedAssemblyApplicationPartFactory.ConsolidatedAssemblyApplicationPartFactory() -> void
+~override Microsoft.AspNetCore.Mvc.ApplicationParts.ConsolidatedAssemblyApplicationPartFactory.GetApplicationParts(System.Reflection.Assembly assembly) -> System.Collections.Generic.IEnumerable<Microsoft.AspNetCore.Mvc.ApplicationParts.ApplicationPart>