#179 Workaround

src/Project/MvpSite/rendering/Middleware/EnsureAcceptLanguageHeaderMiddleware.cs

@@ -4,26 +4,24 @@
 
 namespace Mvp.Project.MvpSite.Middleware
 {
-    public class EnsureAcceptLanguageHeaderMiddleware
+    public class EnsureAcceptLanguageHeaderMiddleware(RequestDelegate next, IConfiguration configuration)
     {
-        private readonly RequestDelegate next;
-        private readonly IConfiguration configuration;
-
-        public EnsureAcceptLanguageHeaderMiddleware(RequestDelegate next, IConfiguration configuration)
-        {
-            this.next = next;
-            this.configuration = configuration;
-        }
-
+        private readonly string _defaultLanguage = configuration.GetValue<string>("DefaultAcceptLanguageHeader");
+
         public async Task Invoke(HttpContext httpContext)
         {
             if (!httpContext.Request.Headers.ContainsKey("Accept-Language"))
             {
-                var defaultLang = configuration.GetValue<string>("DefaultAcceptLanguageHeader");
-                httpContext.Request.Headers.Add("Accept-Language", defaultLang);
+
+                httpContext.Request.Headers.Append("Accept-Language", _defaultLanguage);
+            }
+            else
+            {
+                // NOTE [IVA] Hard fix for #555373 until V22 release
+                httpContext.Request.Headers.AcceptLanguage = _defaultLanguage;
             }
 
-            await next(httpContext).ConfigureAwait(false);
+            await next(httpContext);
         }
     }
 }