Laravel 11, Vuexy Admin 10.3, by admin@koneko.mx

modules/Admin/App/Http/Controllers/RoleController.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Modules\Admin\App\Http\Controllers;
+
+use Illuminate\Http\Request;
+use Spatie\Permission\Models\Role;
+
+use App\Http\Controllers\Controller;
+
+class RoleController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     *
+     * @return \Illuminate\Http\Response
+     */
+    public function index(Request $request)
+    {
+        return view('admin::roles.index');
+    }
+
+    public function checkUniqueRoleName(Request $request)
+    {
+        $id   = $request->input('id');
+        $name = $request->input('name');
+
+        // Verificar si el nombre ya existe en la base de datos
+        $existingRole = Role::where('name', $name)
+            ->whereNot('id', $id)
+            ->first();
+
+        if ($existingRole) {
+            return response()->json(['valid' => false]);
+        }
+
+        return response()->json(['valid' => true]);
+    }
+}