From 843396f7c4340e04e2658ea9d1615ab988e9f1f2 Mon Sep 17 00:00:00 2001
From: erri120 <erri120@protonmail.com>
Date: Fri, 10 Jul 2020 13:55:53 +0200
Subject: [PATCH 1/2] Cache favicons

---
 Wabbajack.Common/Consts.cs                    |  1 +
 .../View Models/Settings/LoginManagerVM.cs    | 59 ++++++++++++++-----
 2 files changed, 45 insertions(+), 15 deletions(-)

diff --git a/Wabbajack.Common/Consts.cs b/Wabbajack.Common/Consts.cs
index 3ebb91f0..eae4b28e 100644
--- a/Wabbajack.Common/Consts.cs
+++ b/Wabbajack.Common/Consts.cs
@@ -102,6 +102,7 @@ namespace Wabbajack.Common
         public const string ModListExtensionString = ".wabbajack";
         public static Extension ModListExtension = new Extension(ModListExtensionString);
         public static AbsolutePath LocalAppDataPath => new AbsolutePath(Path.Combine(KnownFolders.LocalAppData.Path, "Wabbajack"));
+        public static AbsolutePath FaviconCacheFolderPath => LocalAppDataPath.Combine("favicons");
         public static string MetricsKeyHeader => "x-metrics-key";
 
         public static string WabbajackCacheLocation = "http://build.wabbajack.org/nexus_api_cache/";
diff --git a/Wabbajack/View Models/Settings/LoginManagerVM.cs b/Wabbajack/View Models/Settings/LoginManagerVM.cs
index 66af9521..d8d84224 100644
--- a/Wabbajack/View Models/Settings/LoginManagerVM.cs	
+++ b/Wabbajack/View Models/Settings/LoginManagerVM.cs	
@@ -15,6 +15,7 @@ using System.Windows.Threading;
 using Microsoft.WindowsAPICodePack.Shell.PropertySystem;
 using ReactiveUI;
 using ReactiveUI.Fody.Helpers;
+using Wabbajack.Common;
 using Wabbajack.Lib;
 using Wabbajack.Lib.Downloaders;
 
@@ -84,22 +85,50 @@ namespace Wabbajack
             {
                 if (Login.IconUri == null) return;
 
-                using var img = await new Wabbajack.Lib.Http.Client().GetAsync(Login.IconUri, errorsAsExceptions:false);
-                if (!img.IsSuccessStatusCode) return;
+                if(!Consts.FaviconCacheFolderPath.Exists)
+                    Consts.FaviconCacheFolderPath.CreateDirectory();
 
-                var icoData = new MemoryStream(await img.Content.ReadAsByteArrayAsync());
-                
-                var data = new Icon(icoData);
-                var ms = new MemoryStream(); 
-                data.ToBitmap().Save(ms, ImageFormat.Png);
-                ms.Position = 0;
-                
-                var source = new BitmapImage();
-                source.BeginInit();
-                source.StreamSource = ms;
-                source.EndInit();
-                source.Freeze();
-                Favicon = source;
+                var faviconIcon = Consts.FaviconCacheFolderPath.Combine($"{Login.SiteName}.ico");
+                if (faviconIcon.Exists)
+                {
+                    await using var fs = await faviconIcon.OpenRead();
+
+                    var ms = new MemoryStream((int)fs.Length);
+                    await fs.CopyToAsync(ms);
+                    ms.Position = 0;
+
+                    var source = new BitmapImage();
+                    source.BeginInit();
+                    source.StreamSource = ms;
+                    source.EndInit();
+                    source.Freeze();
+                    Favicon = source;
+                }
+                else
+                {
+                    using var img = await new Lib.Http.Client().GetAsync(Login.IconUri, errorsAsExceptions: false);
+                    if (!img.IsSuccessStatusCode) return;
+
+                    var icoData = new MemoryStream(await img.Content.ReadAsByteArrayAsync());
+
+                    var data = new Icon(icoData);
+                    var ms = new MemoryStream();
+                    data.ToBitmap().Save(ms, ImageFormat.Png);
+                    ms.Position = 0;
+
+                    await using (var fs = await faviconIcon.Create())
+                    {
+                        await ms.CopyToAsync(fs);
+                        ms.Position = 0;
+                    }
+
+                    var source = new BitmapImage();
+                    source.BeginInit();
+                    source.StreamSource = ms;
+                    source.EndInit();
+                    source.Freeze();
+                    Favicon = source;
+                }
             });
         }
     }

From 49eb75c5dcfec6be0f6dde78b62166e009d7552b Mon Sep 17 00:00:00 2001
From: erri120 <erri120@protonmail.com>
Date: Fri, 10 Jul 2020 14:03:07 +0200
Subject: [PATCH 2/2] Delete favicons that are older than 10 days

---
 Wabbajack/View Models/Settings/LoginManagerVM.cs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Wabbajack/View Models/Settings/LoginManagerVM.cs b/Wabbajack/View Models/Settings/LoginManagerVM.cs
index d8d84224..725e0fbf 100644
--- a/Wabbajack/View Models/Settings/LoginManagerVM.cs	
+++ b/Wabbajack/View Models/Settings/LoginManagerVM.cs	
@@ -89,6 +89,18 @@ namespace Wabbajack
                     Consts.FaviconCacheFolderPath.CreateDirectory();
 
                 var faviconIcon = Consts.FaviconCacheFolderPath.Combine($"{Login.SiteName}.ico");
+                if (faviconIcon.Exists)
+                {
+                    var fsi = new FileInfo(faviconIcon.ToString());
+                    var creationDate = fsi.CreationTimeUtc;
+                    var now = DateTime.UtcNow;
+
+                    //delete favicons older than 10 days
+
+                    if ((now - creationDate).TotalDays > 10)
+                        await faviconIcon.DeleteAsync();
+                }
+
                 if (faviconIcon.Exists)
                 {
                     await using var fs = await faviconIcon.OpenRead();