update code

app/Http/Requests/Department/UpdateRequest.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Http\Requests\Department;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class UpdateRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     *
+     * @return bool
+     */
+    public function authorize()
+    {
+        return $this->user()->hasPermissionTo('Quản lý phòng ban');
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'id' => 'nullable|string|alpha_dash|max:7|unique:departments,id,'.$this->department,
+            'name' => 'nullable|string',
+            'tel' => 'nullable|alpha_num|max:15',
+        ];
+    }
+}