Replace closure with class name in config file

Author: bluehaha2

src/Handlers/ConfigHandler.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace App\Handlers;
+
+class ConfigHandler
+{
+    public function userField()
+    {
+        return auth()->user()->id;
+    }
+}

src/LaravelFilemanagerServiceProvider.php

@@ -3,7 +3,6 @@
 use Illuminate\Support\ServiceProvider;
 use Illuminate\Support\Facades\Config;
 
-
 /**
  * Class LaravelFilemanagerServiceProvider
  * @package Unisharp\Laravelfilemanager
@@ -17,8 +16,9 @@ class LaravelFilemanagerServiceProvider extends ServiceProvider {
      */
     public function boot()
     {
-        if (Config::get('lfm.use_package_routes'))
+        if (Config::get('lfm.use_package_routes')) {
             include __DIR__ . '/routes.php';
+        }
 
         $this->loadTranslationsFrom(__DIR__.'/lang', 'laravel-filemanager');
 
@@ -28,13 +28,17 @@ public function boot()
             __DIR__ . '/config/lfm.php' => base_path('config/lfm.php'),
         ], 'lfm_config');
 
-        $this->publishes([      
-            __DIR__.'/../public' => public_path('vendor/laravel-filemanager'),     
+        $this->publishes([
+            __DIR__.'/../public' => public_path('vendor/laravel-filemanager'),
         ], 'lfm_public');
 
         $this->publishes([
             __DIR__.'/views'  => base_path('resources/views/vendor/laravel-filemanager'),
         ], 'lfm_view');
+
+        $this->publishes([
+            __DIR__.'/Handlers' => base_path('app/Handlers')
+        ], 'lfm_handler');
     }
 
     /**
@@ -44,10 +48,8 @@ public function boot()
      */
     public function register()
     {
-        $this->app->singleton('laravel-filemanager', function ()
-        {
+        $this->app->singleton('laravel-filemanager', function () {
             return true;
         });
     }
-
 }

src/config/lfm.php

@@ -33,11 +33,9 @@
     'allow_share_folder' => true,
 
     // Flexibla way to customize client folders accessibility
+    // You can extend ConfigHandler class and rewrite userField function in class
     // Ex: The private folder of user will be named as the user id.
-    // You cant use a closure when using the optimized config file (in Laravel 5.2 anyway)
-    'user_field' => function() {
-        return auth()->user()->id;
-    },
+    'user_field' => App\Handlers\ConfigHandler::class,
 
     /*
     |--------------------------------------------------------------------------
@@ -164,7 +162,7 @@
     | These values override your php.ini settings before uploading files
     | Set these to false to ingnore and apply your php.ini settings
     |
-    | Please note that the 'upload_max_filesize' & 'post_max_size' 
+    | Please note that the 'upload_max_filesize' & 'post_max_size'
     | directives are not supported.
     */
     'php_ini_overrides' => [

src/traits/LfmHelpers.php

@@ -588,7 +588,10 @@ public function sortFilesAndDirectories($arr_items, $sort_type)
      */
     public function getUserSlug()
     {
-        if (is_callable(config('lfm.user_field'))) {
+        if (class_exists(config('lfm.user_field'))) {
+            $config_handler = config('lfm.user_field');
+            $slug_of_user = app()->make($config_handler)->userField();
+        } elseif (is_callable(config('lfm.user_field'))) {
             $slug_of_user = call_user_func(config('lfm.user_field'));
         } else {
             $old_slug_of_user = config('lfm.user_field');