++ fix prioritario display and add link sent toggle

app/Http/Controllers/AssignmentPdfController.php

@@ -5,6 +5,7 @@ namespace App\Http\Controllers;
 use App\Models\Assegnazione;
 use Illuminate\Contracts\View\View;
 use Illuminate\Http\Request;
+use Illuminate\Http\Response;
 use Illuminate\Support\Facades\Storage;
 use Symfony\Component\HttpFoundation\StreamedResponse;
 
@@ -14,6 +15,10 @@ class AssignmentPdfController extends Controller
     {
         $this->validateAccess($assignment, $code);
 
+        if ($expired = $this->linkScaduto($assignment)) {
+            return $expired;
+        }
+
         $pdfUrl = route('assignments.pdf.file', [
             'assignment' => $assignment->id,
             'code'       => $code,
@@ -25,10 +30,14 @@ class AssignmentPdfController extends Controller
         ]);
     }
 
-    public function file(Request $request, Assegnazione $assignment, string $code): StreamedResponse
+    public function file(Request $request, Assegnazione $assignment, string $code): StreamedResponse|View
     {
         $this->validateAccess($assignment, $code);
 
+        if ($expired = $this->linkScaduto($assignment)) {
+            return $expired;
+        }
+
         $pdfPath = $assignment->territorio?->pdf_path;
         abort_unless($pdfPath && Storage::disk('public')->exists($pdfPath), 404);
 
@@ -48,4 +57,22 @@ class AssignmentPdfController extends Controller
         abort_unless($assignment->is_aperta, 403);
         abort_unless($assignment->territorio?->pdf_path, 404);
     }
+
+    protected function linkScaduto(Assegnazione $assignment): ?View
+    {
+        if (auth()->check()) {
+            return null;
+        }
+
+        $ttlMonths = max(1, (int) \App\Models\Setting::getValue('assignment_link_ttl_hours', 1));
+
+        if ($assignment->assigned_at->copy()->addMonths($ttlMonths)->isPast()) {
+            return view('assignments.link-scaduto', [
+                'numero' => $assignment->territorio?->numero,
+            ]);
+        }
+
+        return null;
+    }
 }
+