Exercise Files

Ch07/07_02_Begin/Website/Extensions/AllowPartialRenderingAttribute.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using System.Web.Mvc;
+
+namespace HPlusSports.Extensions
+{
+    public class AllowPartialRenderingAttribute : ActionFilterAttribute
+    {
+        public override void OnActionExecuted(ActionExecutedContext filterContext)
+        {
+            var request = filterContext.HttpContext.Request;
+            var result = filterContext.Result as ViewResult;
+
+            if (request == null)
+                return;
+
+            if (request.IsAjaxRequest())
+            {
+                filterContext.Result = new PartialViewResult
+                {
+                    TempData = result.TempData,
+                    View = result.View,
+                    ViewData = result.ViewData,
+                    ViewEngineCollection = result.ViewEngineCollection,
+                    ViewName = result.ViewName,
+                };
+            }
+        }
+    }
+}

Ch07/07_02_Begin/Website/Extensions/HtmlHelperExtensions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using System.Web.Mvc.Html;
+
+namespace HPlusSports
+{
+    public static class HtmlHelperExtensions
+    {
+
+        public static IHtmlString Rating(this System.Web.Mvc.HtmlHelper html, Models.ProductRating rating)
+        {
+            if (rating == null || rating.ReviewCount == 0)
+            {
+                return new System.Web.Mvc.MvcHtmlString("<span><em>No Rating</em></span>");
+            }
+
+            return html.Partial("_Rating", rating);
+        }
+
+    }
+}

Ch07/07_02_Begin/Website/Extensions/TempDataExtensions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+
+namespace HPlusSports
+{
+    public static class TempDataExtensions
+    {
+        const string ErrorMessageKey = "ErrorMessage";
+        const string SuccessMessageKey = "SuccessMessage";
+
+        public static bool HasSuccessMessage(this System.Web.Mvc.TempDataDictionary tempData)
+        {
+            return !string.IsNullOrWhiteSpace(tempData[SuccessMessageKey] as string);
+        }
+
+        public static string SuccessMessage(this System.Web.Mvc.TempDataDictionary tempData)
+        {
+            return tempData[SuccessMessageKey] as string;
+        }
+
+        public static void SuccessMessage(this System.Web.Mvc.TempDataDictionary tempData, string successMessage)
+        {
+            tempData[SuccessMessageKey] = successMessage;
+        }
+
+
+        public static bool HasErrorMessage(this System.Web.Mvc.TempDataDictionary tempData)
+        {
+            return !string.IsNullOrWhiteSpace(tempData[ErrorMessageKey] as string);
+        }
+
+        public static string ErrorMessage(this System.Web.Mvc.TempDataDictionary tempData)
+        {
+            return tempData[ErrorMessageKey] as string;
+        }
+
+        public static void ErrorMessage(this System.Web.Mvc.TempDataDictionary tempData, string errorMessage)
+        {
+            tempData[ErrorMessageKey] = errorMessage;
+        }
+    }
+}

Ch07/07_02_Begin/Website/Extensions/UrlHelperExtensions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using HPlusSports.Models;
+
+namespace HPlusSports
+{
+    public static class UrlHelperExtensions
+    {
+        public static string Product(this System.Web.Mvc.UrlHelper urlHelper, Product product)
+        {
+            return Product(urlHelper, product?.SKU);
+        }
+
+        public static string Product(this System.Web.Mvc.UrlHelper urlHelper, string sku)
+        {
+            return urlHelper.Action("Product", "Products", new { id = sku });
+        }
+    }
+}