Replace AdminRouteAttribute with AdminAttribute.

Lombiq.HelpfulLibraries.OrchardCore/Docs/Mvc.md

@@ -19,7 +19,3 @@ If you also use our [UI Testing Toolbox](https://github.com/Lombiq/UI-Testing-To
 ## `WidgetFilterBase<T>`
 
 A base class for creating filters that insert a content as widget in a specified zone with permission check.
-
-## `[AdminRoute]`
-
-`[AdminRoute("My/Path/{id}")]` can be applied to any MVC action method. It work the same way as if you used [Route("Admin/My/Path/{id}")] except the admin prefix is no longer hard coded. This functionality is enabled by registering its mapper as a DI service using the `AdminRouteAttributeRouteMapper.AddToServices(services)` static method.

Lombiq.HelpfulLibraries.OrchardCore/Mvc/AdminRouteAttribute.cs

@@ -2,6 +2,7 @@
 
 namespace Lombiq.HelpfulLibraries.OrchardCore.Mvc;
 
+[Obsolete("Use the [Admin(route)] attribute instead.")]
 [AttributeUsage(AttributeTargets.Method)]
 public sealed class AdminRouteAttribute : Attribute
 {

Lombiq.HelpfulLibraries.OrchardCore/Mvc/AdminRouteAttributeRouteMapper.cs

@@ -5,6 +5,7 @@
 using Microsoft.Extensions.Options;
 using OrchardCore.Admin;
 using OrchardCore.Mvc.Routing;
+using System;
 using System.Reflection;
 
 namespace Lombiq.HelpfulLibraries.OrchardCore.Mvc;
@@ -25,6 +26,7 @@ namespace Lombiq.HelpfulLibraries.OrchardCore.Mvc;
 /// It can be added to the DI service collection using the <see cref="AddToServices"/> static method.
 /// </para>
 /// </remarks>
+[Obsolete("Use the [Admin(route)] attribute instead of [AdminRoute(route)].")]
 public class AdminRouteAttributeRouteMapper : IAreaControllerRouteMapper
 {
     private readonly string _adminUrlPrefix;

Lombiq.HelpfulLibraries.OrchardCore/Mvc/TypedRoute.cs

@@ -93,7 +93,7 @@ public string ToString(HttpContext httpContext)
     public override string ToString()
     {
         var routeTemplate = _action.GetCustomAttribute<RouteAttribute>()?.Template ??
-            _action.GetCustomAttribute<AdminRouteAttribute>()?.Template;
+            _action.GetCustomAttribute<AdminAttribute>()?.Template;
         var (route, arguments) = routeTemplate != null && !string.IsNullOrWhiteSpace(routeTemplate)
             ? GetRouteFromTemplate(routeTemplate, _arguments)
             : ($"{_area}/{_controller.ControllerName()}/{_action.GetCustomAttribute<ActionNameAttribute>()?.Name ?? _action.Name}", _arguments);