Prerendering server-side code can now issue redirections. Fixes aspnet#280

SteveSandersonMS · SteveSandersonMS · commit 1be9102aea7f · 2016-09-09T11:09:44.000+01:00
diff --git a/src/Microsoft.AspNetCore.SpaServices/Prerendering/PrerenderTagHelper.cs b/src/Microsoft.AspNetCore.SpaServices/Prerendering/PrerenderTagHelper.cs
@@ -85,6 +85,15 @@ public override async Task ProcessAsync(TagHelperContext context, TagHelperOutpu
                 unencodedPathAndQuery,
                 CustomDataParameter,
                 TimeoutMillisecondsParameter);
+
+            if (!string.IsNullOrEmpty(result.RedirectUrl))
+            {
+                // It's a redirection
+                ViewContext.HttpContext.Response.Redirect(result.RedirectUrl);
+                return;
+            }
+
+            // It's some HTML to inject
             output.Content.SetHtmlContent(result.Html);
 
             // Also attach any specified globals to the 'window' object. This is useful for transferring
diff --git a/src/Microsoft.AspNetCore.SpaServices/Prerendering/RenderToStringResult.cs b/src/Microsoft.AspNetCore.SpaServices/Prerendering/RenderToStringResult.cs
@@ -6,5 +6,6 @@ public class RenderToStringResult
     {
         public JObject Globals { get; set; }
         public string Html { get; set; }
+        public string RedirectUrl { get; set; }
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -6,5 +6,6 @@ public class RenderToStringResult`
`6`	`6`	`{`
`7`	`7`	`public JObject Globals { get; set; }`
`8`	`8`	`public string Html { get; set; }`
	`9`	`+ public string RedirectUrl { get; set; }`
`9`	`10`	`}`
`10`	`11`	`}`