inizio sistemazione tag mailing list

app/Http/Controllers/CalendarioConnessioneController.php

@@ -64,7 +64,7 @@ class CalendarioConnessioneController extends Controller
         $connessione->is_active = $request->boolean('is_active', true);
 
         if (!empty($data['config'])) {
-            $connessione->encryptAndSetConfig($data['config']);
+            $connessione->encryptAndSetConfig($data['config'], $connessione->config ?? []);
         }
 
         $connessione->save();

app/Http/Controllers/MailingListController.php

@@ -186,6 +186,41 @@ class MailingListController extends Controller
         return redirect()->route('mailing-liste.index')->with('success', 'Lista eliminata.');
     }
 
+    public function massTag(Request $request)
+    {
+        $this->authorizeWrite('mailing');
+        $idsInput = $request->input('ids', '');
+        $ids = is_array($idsInput) ? $idsInput : (is_string($idsInput) ? explode(',', $idsInput) : []);
+
+        if (empty($ids)) {
+            return back()->with('error', 'Nessuna mailing list selezionata.');
+        }
+
+        $data = $request->validate([
+            'tags' => 'required|array',
+            'tags.*' => 'exists:tags,id',
+            'mode' => 'required|in:assign,remove',
+        ]);
+
+        $tagIds = $data['tags'];
+        $mode = $data['mode'];
+        $count = 0;
+
+        MailingList::whereIn('id', $ids)->chunk(100, function ($lists) use ($tagIds, $mode, &$count) {
+            foreach ($lists as $list) {
+                if ($mode === 'assign') {
+                    $list->tags()->syncWithoutDetaching($tagIds);
+                } else {
+                    $list->tags()->detach($tagIds);
+                }
+                $count++;
+            }
+        });
+
+        $actionLabel = $mode === 'assign' ? 'assegnati' : 'rimossi';
+        return back()->with('success', "Tag $actionLabel per $count mailing list.");
+    }
+
     public function massElimina(Request $request)
     {
         $this->authorizeDelete('mailing');

app/Models/CalendarioConnessione.php

@@ -53,11 +53,13 @@ class CalendarioConnessione extends Model
         return $config;
     }
 
-    public function encryptAndSetConfig(array $config): void
+    public function encryptAndSetConfig(array $config, array $existingConfig = []): void
     {
         foreach (['username', 'password', 'client_secret', 'refresh_token', 'api_key'] as $field) {
-            if (isset($config[$field]) && $config[$field] !== '' && !str_starts_with($config[$field], 'eyJpdiI')) {
+            if (!empty($config[$field]) && !str_starts_with($config[$field], 'eyJpdiI')) {
                 $config[$field] = Crypt::encryptString($config[$field]);
+            } elseif (empty($config[$field]) && !empty($existingConfig[$field])) {
+                $config[$field] = $existingConfig[$field];
             }
         }
         $this->config = $config;