Hinzufügen einer Cookie-basierten Sprachauswahl zum Front-End

EnvelopeGenerator.Web/Views/Home/EnvelopeLocked.cshtml

@@ -1,6 +1,25 @@
 @{
     ViewData["Title"] = "Dokument geschützt";
+    string userLanguage = ViewData["UserLanguage"] as string;
+    string[] languages = ViewData["Languages"] as string[];
 }
+@* @if(ViewData["UserLanguage"] == null){
+    <script>
+        fetch('/api/data', {  // Assuming the API endpoint is '/api/data' on the same origin
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json'
+            },
+            body: JSON.stringify({
+                key: 'value'
+            })
+        })
+        .then(response => response.json())
+        .then(data => console.log(data))
+        .catch(error => console.error('Error:', error));
+    </script>
+} *@
+
 <div class="page container p-5">
     <header class="text-center">
         <div class="icon locked">
@@ -16,8 +35,8 @@
         <p>Wir haben Ihnen gerade den Zugriffscode an die hinterlegte Email Adresse gesendet. Dies kann evtl. einige Minuten dauern.</p>
     </section>
 
-    <section>
-        <form id="form-access-code" class="form" method="post">
+    <section class="d-flex">
+        <form id="form-access-code" class="form pl-0 ml-0" method="post">
             <div class="input">
                 <label class="visually-hidden" for="access_code">Zugriffscode</label>
                 <input type="password" id="access_code" class="form-control" name="access_code" placeholder="Zugriffscode" required="required">
@@ -27,6 +46,16 @@
                 <button type="submit" class="btn btn-primary">Öffnen</button>
             </div>
         </form>
+        <form class="form pl-0 ml-0" method="post" action="/lang">
+            <div class="dropdown">
+                <select class="form-select" name="language" onchange="this.form.submit()">
+                    @foreach(var lang in languages)
+                    {
+                        <option data-icon="flag-icon flag-icon-us" value="@lang">@_localizer[@lang]</option>
+                    }
+                </select>
+            </div>
+        </form>
     </section>
 
     <section class="text-center">