From 0d661239fe1faf809f3771c4aa26ca6df9624e80 Mon Sep 17 00:00:00 2001
From: Tobias Klika <gthb09213@swcs.pro>
Date: Fri, 24 May 2024 13:07:59 +0200
Subject: [PATCH] cache-able static files (max-age) extensions method

---
 .../MediaApplicationBuilderExtensions.cs      | 22 +++++++++++++++++++
 zero/Media/ZeroMediaModule.cs                 | 10 ++++-----
 2 files changed, 26 insertions(+), 6 deletions(-)
 create mode 100644 zero/Media/MediaApplicationBuilderExtensions.cs

diff --git a/zero/Media/MediaApplicationBuilderExtensions.cs b/zero/Media/MediaApplicationBuilderExtensions.cs
new file mode 100644
index 00000000..8c457e0b
--- /dev/null
+++ b/zero/Media/MediaApplicationBuilderExtensions.cs
@@ -0,0 +1,22 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Net.Http.Headers;
+
+namespace zero.Media;
+
+public static class MediaApplicationBuilderExtensions
+{
+  public static IApplicationBuilder UseStaticFilesWithCache(this IApplicationBuilder app, TimeSpan cacheDuration)
+  {
+    return app.UseStaticFiles(new StaticFileOptions
+    {
+      OnPrepareResponse = ctx =>
+      {
+        ctx.Context.Response.Headers[HeaderNames.CacheControl] = "public, must-revalidate, max-age=" + (int)cacheDuration.TotalSeconds;
+      },
+      OnPrepareResponseAsync = async ctx =>
+      {
+        await Task.Delay(0);
+      }
+    });
+  }
+}
\ No newline at end of file
diff --git a/zero/Media/ZeroMediaModule.cs b/zero/Media/ZeroMediaModule.cs
index fdb9571e..9eaf369c 100644
--- a/zero/Media/ZeroMediaModule.cs
+++ b/zero/Media/ZeroMediaModule.cs
@@ -1,15 +1,13 @@
-using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Routing;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
-using SixLabors.ImageSharp.Processing;
-using System.IO;
-using Microsoft.AspNetCore.Builder;
-using Microsoft.AspNetCore.Routing;
 using SixLabors.ImageSharp.Web.Caching;
 using SixLabors.ImageSharp.Web.DependencyInjection;
+using System.IO;
 using zero.Media.ImageSharp;
-using zero.Numbers;
 using zero.Media.ImageSharp.Processors;
 
 namespace zero.Media;