public function order()
 {
     $category_order = json_decode(Input::get('order'));
     $video_categories = VideoCategory::all();
     $order = 1;
     foreach ($category_order as $category_level_1) {
         $level1 = VideoCategory::find($category_level_1->id);
         if ($level1->id) {
             $level1->order = $order;
             $level1->parent_id = NULL;
             $level1->save();
             $order += 1;
         }
         if (isset($category_level_1->children)) {
             $children_level_1 = $category_level_1->children;
             foreach ($children_level_1 as $category_level_2) {
                 $level2 = VideoCategory::find($category_level_2->id);
                 if ($level2->id) {
                     $level2->order = $order;
                     $level2->parent_id = $level1->id;
                     $level2->save();
                     $order += 1;
                 }
                 if (isset($category_level_2->children)) {
                     $children_level_2 = $category_level_2->children;
                     foreach ($children_level_2 as $category_level_3) {
                         $level3 = VideoCategory::find($category_level_3->id);
                         if ($level3->id) {
                             $level3->order = $order;
                             $level3->parent_id = $level2->id;
                             $level3->save();
                             $order += 1;
                         }
                     }
                 }
             }
         }
     }
     return 1;
 }