From b86e8bcc1e51b48ed5dfc6a5dec9a4739487fba0 Mon Sep 17 00:00:00 2001
From: Damiaan Peeters <damiaan@umbrace.be>
Date: Fri, 19 Nov 2021 13:03:38 +0100
Subject: [PATCH] Following example for custom routes

(work in progress)
---
 .../Custom-Routes/Product.cs                  | 16 +++
 .../Custom-Routes/ShopController.cs           | 98 +++++++++++++++++++
 Umbraco.Docs.Samples.Web/Startup.cs           |  5 +
 3 files changed, 119 insertions(+)
 create mode 100644 Umbraco.Docs.Samples.Web/Custom-Routes/Product.cs
 create mode 100644 Umbraco.Docs.Samples.Web/Custom-Routes/ShopController.cs

diff --git a/Umbraco.Docs.Samples.Web/Custom-Routes/Product.cs b/Umbraco.Docs.Samples.Web/Custom-Routes/Product.cs
new file mode 100644
index 0000000..30c2a27
--- /dev/null
+++ b/Umbraco.Docs.Samples.Web/Custom-Routes/Product.cs
@@ -0,0 +1,16 @@
+using System.Collections.Generic;
+using Umbraco.Cms.Core.Models;
+using Umbraco.Cms.Core.Models.PublishedContent;
+
+namespace Umbraco.Docs.Samples.Web.Custom_Routes
+{
+    public class Product : ContentModel
+    {
+        public Product(IPublishedContent content) : base(content)
+        {
+        }
+
+        public string Sku { get; set; }
+        public IEnumerable<string> AvailableStores { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/Umbraco.Docs.Samples.Web/Custom-Routes/ShopController.cs b/Umbraco.Docs.Samples.Web/Custom-Routes/ShopController.cs
new file mode 100644
index 0000000..a7d6d6c
--- /dev/null
+++ b/Umbraco.Docs.Samples.Web/Custom-Routes/ShopController.cs
@@ -0,0 +1,98 @@
+using System.Linq;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Controllers;
+using Microsoft.AspNetCore.Mvc.Filters;
+using Microsoft.AspNetCore.Mvc.ViewEngines;
+using Microsoft.Extensions.Logging;
+using Umbraco.Cms.Core.Models.PublishedContent;
+using Umbraco.Cms.Core.Web;
+using Umbraco.Cms.Web.Common.Controllers;
+using Umbraco.Extensions;
+
+namespace Umbraco.Docs.Samples.Web.Custom_Routes
+{
+    public class ShopController : UmbracoPageController, IVirtualPageController
+    {
+        private readonly IUmbracoContextAccessor _umbracoContextAccessor;
+        private readonly IPublishedValueFallback _publishedValueFallback;
+
+        public ShopController(
+            ILogger<UmbracoPageController> logger,
+            ICompositeViewEngine compositeViewEngine,
+            IUmbracoContextAccessor umbracoContextAccessor,
+            IPublishedValueFallback publishedValueFallback)
+            : base(logger, compositeViewEngine)
+        {
+            _umbracoContextAccessor = umbracoContextAccessor;
+            _publishedValueFallback = publishedValueFallback;
+        }
+
+        public IPublishedContent FindContent(ActionExecutingContext actionExecutingContext)
+        {
+            var umbracoContext = _umbracoContextAccessor.GetRequiredUmbracoContext();
+
+            if (umbracoContext == null)
+            {
+                return null;
+            }
+
+            var productRoot = umbracoContext.Content.GetById(2074);
+            if (actionExecutingContext.ActionDescriptor is not ControllerActionDescriptor controllerActionDescriptor)
+            {
+                return productRoot;
+            }
+
+            // Check which action is executing
+            switch (controllerActionDescriptor.ActionName)
+            {
+                case nameof(Index):
+                    return productRoot;
+
+                case nameof(Product):
+                    // Get the SKU/Id from the route values
+                    if (actionExecutingContext.ActionArguments.TryGetValue("id", out var sku))
+                    {
+                        return productRoot
+                            .Children
+                            .FirstOrDefault(c => c.Value<string>(_publishedValueFallback, "sku") == sku.ToString());
+                    }
+                    else
+                    {
+                        return productRoot;
+                    }
+            }
+
+            return productRoot;
+        }
+
+        [HttpGet]
+        public IActionResult Index()
+        {
+            // CurrentPage (IPublishedContent) will be the content returned
+            // from the FindContent method.
+
+            // return the view with the IPublishedContent
+            return View(CurrentPage);
+        }
+
+        [HttpGet]
+        public IActionResult Product(string id)
+        {
+            // CurrentPage (IPublishedContent) will be the content returned
+            // from the FindContent method.
+
+            // One example of using a custom route would be to include additional
+            // model information based on external services. For example, if
+            // we wanted to return the stores the product is available in from
+            // a custom data store.
+            var dbProduct = DbContext.Products.GetBySku(id);
+            var shopModel = new Product(CurrentPage)
+            {
+                Sku = id,
+                AvailableStores = dbProduct.AvailableStores
+            };
+
+            return View(shopModel);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Umbraco.Docs.Samples.Web/Startup.cs b/Umbraco.Docs.Samples.Web/Startup.cs
index 9973342..bb20af4 100644
--- a/Umbraco.Docs.Samples.Web/Startup.cs
+++ b/Umbraco.Docs.Samples.Web/Startup.cs
@@ -79,6 +79,11 @@ public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
                 })
                 .WithEndpoints(u =>
                 {
+                    u.EndpointRouteBuilder.MapControllerRoute(
+                        "Shop Controller",
+                        "/shop/{action}/{id?}",
+                        new { Controller = "Shop", Action = "Index" });
+
                     u.UseInstallerEndpoints();
                     u.UseBackOfficeEndpoints();
                     u.UseWebsiteEndpoints();