feat: implement versioning service to retrieve application version and cachebuster tokens

csharpfritz · csharpfritz · commit fcdd47110cfb · 2025-06-13T10:31:43.000-04:00
diff --git a/Web/Pages/Shared/_Layout.cshtml b/Web/Pages/Shared/_Layout.cshtml
@@ -1,4 +1,5 @@
 ﻿@inject IConfiguration Configuration
+@inject Web.Services.IVersionService VersionService
 <!DOCTYPE html>
 <html lang="en">
 <head>
@@ -89,16 +90,14 @@
     <link href="https://fonts.googleapis.com/css2?family=Outfit:wght@800&display=swap" rel="stylesheet" />
     <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.min.css" />
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css" />
-    <link id="prism-theme" rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/themes/prism.min.css" />
-    
-    <!-- Site CSS -->
+    <link id="prism-theme" rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/themes/prism.min.css" />    <!-- Site CSS -->
     <environment exclude="Development">
-        <link rel="stylesheet" href="~/css/bundle.min.css" asp-append-version="true" />
+        <link rel="stylesheet" href="~/css/bundle.min.css?v=@VersionService.GetVersion()" />
     </environment>
     <environment include="Development">
         <link rel="stylesheet" href="~/css/site.css" asp-append-version="true" />
         <link rel="stylesheet" href="~/css/layout.css" asp-append-version="true" />
-    </environment>    <link rel="stylesheet" href="~/Web.styles.css" asp-append-version="true" />
+    </environment><link rel="stylesheet" href="~/Web.styles.css" asp-append-version="true" />
     @await RenderSectionAsync("Styles", required: false)
 
     <!-- Google Analytics - Production Only -->
@@ -192,7 +191,7 @@
     <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/components/prism-bash.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/components/prism-yaml.min.js"></script>    <!-- Site scripts -->
     <environment exclude="Development">
-        <script src="~/js/bundle.min.js" asp-append-version="true"></script>
+        <script src="~/js/bundle.min.js?v=@VersionService.GetVersion()"></script>
     </environment>
     <environment include="Development">
         <script src="~/js/site.js" asp-append-version="true"></script>
diff --git a/Web/Program.cs b/Web/Program.cs
@@ -94,6 +94,7 @@
 
 // Register content service
 builder.Services.AddScoped<IContentService, ContentService>();
+builder.Services.AddSingleton<IVersionService, VersionService>();
 
 var app = builder.Build();
 
diff --git a/Web/Services/IVersionService.cs b/Web/Services/IVersionService.cs
@@ -0,0 +1,6 @@
+namespace Web.Services;
+
+public interface IVersionService
+{
+    string GetVersion();
+}
diff --git a/Web/Services/VersionService.cs b/Web/Services/VersionService.cs
@@ -0,0 +1,26 @@
+using System.Reflection;
+
+namespace Web.Services;
+
+public class VersionService : IVersionService
+{
+    private readonly string _version;
+
+    public VersionService()
+    {
+        // Get version from assembly or use build timestamp
+        var assembly = Assembly.GetExecutingAssembly();
+        var assemblyVersion = assembly.GetName().Version?.ToString() ?? "1.0.0.0";
+        
+        // Alternative: Use assembly's last write time as version
+        var buildDate = File.GetLastWriteTime(assembly.Location);
+        _version = buildDate.Ticks.ToString();
+        
+        // You could also use assembly version: _version = assemblyVersion;
+    }
+
+    public string GetVersion()
+    {
+        return _version;
+    }
+}
