Force a database commit when redirecting in workflow. (#7693)

Fixes #7690

src/Orchard.Web/Modules/Orchard.Workflows/Activities/RedirectActivity.cs

@@ -1,5 +1,5 @@
 using System.Collections.Generic;
-using System.Linq;
+using Orchard.Data;
 using Orchard.Localization;
 using Orchard.Workflows.Models;
 using Orchard.Workflows.Services;
@@ -7,9 +7,11 @@ using Orchard.Workflows.Services;
 namespace Orchard.Workflows.Activities {
     public class RedirectActivity : Task {
         private readonly IWorkContextAccessor _wca;
+        private readonly ITransactionManager _tm;
 
-        public RedirectActivity(IWorkContextAccessor wca) {
+        public RedirectActivity(IWorkContextAccessor wca, ITransactionManager tm) {
             _wca = wca;
+            _tm = tm;
             T = NullLocalizer.Instance;
         }
 
@@ -26,6 +28,11 @@ namespace Orchard.Workflows.Activities {
 
         public override IEnumerable<LocalizedString> Execute(WorkflowContext workflowContext, ActivityContext activityContext) {
             var url = activityContext.GetState<string>("Url");
+
+            // Redirect is going to terminate the request, which will cause any pending updates to get rolled back,
+            // so we force a commit in case anything has changed
+            _tm.RequireNew();
+
             _wca.GetContext().HttpContext.Response.Redirect(url);
             yield return T("Done");
         }