From a619ff9fe1980b97901bf0a9bc65ea7f2d10be8f Mon Sep 17 00:00:00 2001
From: Tobias Klika <cee@live.at>
Date: Fri, 7 Jul 2023 14:39:02 +0200
Subject: [PATCH] append file version to svg icon path

---
 zero/TagHelpers/IconTagHelper.cs | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/zero/TagHelpers/IconTagHelper.cs b/zero/TagHelpers/IconTagHelper.cs
index b5ad1d44..4f070f88 100644
--- a/zero/TagHelpers/IconTagHelper.cs
+++ b/zero/TagHelpers/IconTagHelper.cs
@@ -1,4 +1,6 @@
-using Microsoft.AspNetCore.Razor.TagHelpers;
+using Microsoft.AspNetCore.Mvc.Rendering;
+using Microsoft.AspNetCore.Mvc.ViewFeatures;
+using Microsoft.AspNetCore.Razor.TagHelpers;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 
@@ -15,17 +17,24 @@ public class IconTagHelper : TagHelper
 
   public string Class { get; set; }
 
+  [HtmlAttributeNotBound]
+  [ViewContext]
+  public ViewContext ViewContext { get; set; } = default!;
+
 
   private IconOptions _options;
 
+  private IFileVersionProvider _fileVersionProvider;
+
   private readonly ILogger<IconTagHelper> _logger;
 
 
-  public IconTagHelper(IOptionsMonitor<IconOptions> options, ILogger<IconTagHelper> logger)
+  public IconTagHelper(IOptionsMonitor<IconOptions> options, ILogger<IconTagHelper> logger, IFileVersionProvider versionProvider)
   {
     _options = options.CurrentValue;
     _logger = logger;
-    
+    _fileVersionProvider = versionProvider;
+
     options.OnChange(val => _options = val);
   }
 
@@ -55,7 +64,8 @@ public class IconTagHelper : TagHelper
 
   public string BuildIcon(string symbol, int size = 18, string stroke = "2", string classes = null, bool withSvg = false)
   {
-    string inner = $"<use xlink:href='{_options.Path}#{symbol}\'></use>";
+    string path = _fileVersionProvider.AddFileVersionToPath(ViewContext.HttpContext.Request.PathBase, _options.Path);
+    string inner = $"<use xlink:href='{path}#{symbol}\'></use>";
 
     if (!withSvg)
     {