Introduced IHomeAliasService to deal with managing the home page.

src/Orchard.Web/Modules/Orchard.Autoroute/Services/HomeAliasService.cs

@@ -0,0 +1,53 @@
+using System.Web.Routing;
+using Orchard.Alias;
+using Orchard.ContentManagement;
+
+namespace Orchard.Autoroute.Services {
+    public class HomeAliasService : IHomeAliasService {
+        private readonly IAliasService _aliasService;
+        private readonly IContentManager _contentManager;
+        private const string AliasSource = "Autoroute:Home";
+        private const string HomeAlias = "";
+
+        public HomeAliasService(IAliasService aliasService, IContentManager contentManager) {
+            _aliasService = aliasService;
+            _contentManager = contentManager;
+        }
+
+        public RouteValueDictionary GetHomeRoute() {
+            return _aliasService.Get(HomeAlias);
+        }
+
+        public int? GetHomePageId() {
+            var homePageRoute = GetHomeRoute();
+            var homePageId = 
+                homePageRoute != null 
+                ? homePageRoute.ContainsKey("id") 
+                    ? XmlHelper.Parse<int>((string)homePageRoute["id"]) 
+                    : default(int?) 
+                : default(int?);
+
+            return homePageId;
+        }
+
+        public IContent GetHomePage(VersionOptions version = null) {
+            var homePageId = GetHomePageId();
+            var homePage = homePageId != null ? _contentManager.Get(homePageId.Value, version ?? VersionOptions.Published) : default(IContent);
+
+            return homePage;
+        }
+
+        public void SetHomeAlias(IContent content) {
+            var routeValues = _contentManager.GetItemMetadata(content).DisplayRouteValues;
+            SetHomeAlias(routeValues);
+        }
+
+        public void SetHomeAlias(string route) {
+            _aliasService.Set(HomeAlias, route, AliasSource);
+        }
+
+        public void SetHomeAlias(RouteValueDictionary route) {
+            _aliasService.Set(HomeAlias, route, AliasSource);
+        }
+    }
+}

src/Orchard.Web/Modules/Orchard.Autoroute/Services/IHomeAliasService.cs

@@ -0,0 +1,14 @@
+using System.Web.Routing;
+using Orchard.ContentManagement;
+
+namespace Orchard.Autoroute.Services {
+    
+    public interface IHomeAliasService : IDependency {
+        RouteValueDictionary GetHomeRoute();
+        int? GetHomePageId();
+        IContent GetHomePage(VersionOptions version = null);
+        void SetHomeAlias(IContent content);
+        void SetHomeAlias(string route);
+        void SetHomeAlias(RouteValueDictionary route);
+    }
+}