From 11cfa52897ddede8f3f3c1344a1b708228332ad6 Mon Sep 17 00:00:00 2001
From: Sebastian Stehle <sebastian@squidex.io>
Date: Thu, 8 Nov 2018 21:00:44 +0100
Subject: [PATCH] More performance tracking.

---
 src/Squidex/Config/Web/WebServices.cs       |  1 +
 src/Squidex/Pipeline/ETagExtensions.cs      |  6 +++-
 src/Squidex/Pipeline/MeasureResultFilter.cs | 32 +++++++++++++++++++++
 3 files changed, 38 insertions(+), 1 deletion(-)
 create mode 100644 src/Squidex/Pipeline/MeasureResultFilter.cs

diff --git a/src/Squidex/Config/Web/WebServices.cs b/src/Squidex/Config/Web/WebServices.cs
index fdb965701..af04bceed 100644
--- a/src/Squidex/Config/Web/WebServices.cs
+++ b/src/Squidex/Config/Web/WebServices.cs
@@ -45,6 +45,7 @@ namespace Squidex.Config.Web
             {
                 options.Filters.Add<ETagFilter>();
                 options.Filters.Add<AppResolver>();
+                options.Filters.Add<MeasureResultFilter>();
             }).AddMySerializers();
 
             services.AddCors();
diff --git a/src/Squidex/Pipeline/ETagExtensions.cs b/src/Squidex/Pipeline/ETagExtensions.cs
index 3c6593ca7..4c30e2411 100644
--- a/src/Squidex/Pipeline/ETagExtensions.cs
+++ b/src/Squidex/Pipeline/ETagExtensions.cs
@@ -8,6 +8,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using Squidex.Infrastructure;
+using Squidex.Infrastructure.Log;
 
 namespace Squidex.Pipeline
 {
@@ -15,7 +16,10 @@ namespace Squidex.Pipeline
     {
         public static string ToManyEtag<T>(this IEnumerable<T> items, long total = 0) where T : IGenerateEtag
         {
-            return $"{total}_{string.Join(";", items.Select(x => $"{x.Id}{x.Version}"))}".Sha256Base64();
+            using (Profiler.Trace("CalculateEtag"))
+            {
+                return $"{total}_{string.Join(";", items.Select(x => $"{x.Id}{x.Version}"))}".Sha256Base64();
+            }
         }
 
         public static string ToSurrogateKeys<T>(this IEnumerable<T> items) where T : IGenerateEtag
diff --git a/src/Squidex/Pipeline/MeasureResultFilter.cs b/src/Squidex/Pipeline/MeasureResultFilter.cs
new file mode 100644
index 000000000..2d22afd65
--- /dev/null
+++ b/src/Squidex/Pipeline/MeasureResultFilter.cs
@@ -0,0 +1,32 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc.Filters;
+using Squidex.Infrastructure.Log;
+
+namespace Squidex.Pipeline
+{
+    public sealed class MeasureResultFilter : IAsyncResultFilter, IAsyncActionFilter
+    {
+        public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
+        {
+            using (Profiler.Trace("ExecuteAction"))
+            {
+                await next();
+            }
+        }
+
+        public async Task OnResultExecutionAsync(ResultExecutingContext context, ResultExecutionDelegate next)
+        {
+            using (Profiler.Trace("ExecuteResult"))
+            {
+                await next();
+            }
+        }
+    }
+}