refactor:重构后台分类控制器代码，将业务逻辑剥离

backend/modules/goods/controllers/CategoryController.php

@@ -10,6 +10,7 @@ use backend\modules\goods\models\searchs\CategorySearch;
 use yii\web\Controller;
 use yii\web\NotFoundHttpException;
 use yii\filters\VerbFilter;
+use backend\modules\file\logic\file\FileManager;
 
 /**
  * CategoryController implements the CRUD actions for Category model.
@@ -82,18 +83,13 @@ class CategoryController extends Controller
         $model->sort_order = 0;
 
         if ($model->load(Yii::$app->request->post()) && $model->validate()) {
-
             //类目图片上传保存处理
-            $icon_image_id_str = $model->iconImageId;
-            $model->save();
-            $save_icon_image_res = GoodsManager::saveFile(explode(',', $icon_image_id_str), $model, [], File::OWN_TYPE_CATEGORY_ICON);
-            if($save_icon_image_res['status']){
-                $model->icon = $save_icon_image_res['first_file_id'];
-                $model->save();
-            }
+            $res = FileManager::saveFileInModel($model, 'iconImageId', '', File::OWN_TYPE_CATEGORY_ICON, 'icon');
 
+            if ($res) {
                 return $this->redirect('index');
             }
+        }
 
         return $this->render('create', [
             'model' => $model,
@@ -115,18 +111,13 @@ class CategoryController extends Controller
         $icon_image_old_id_arr = $model->icon;
 
         if ($model->load(Yii::$app->request->post()) && $model->validate()) {
-
             //类目图片上传保存处理
-            $icon_image_id_str = $model->iconImageId;
-            $model->save();
-            $save_icon_image_res = GoodsManager::saveFile(explode(',', $icon_image_id_str), $model, explode(',', $icon_image_old_id_arr), File::OWN_TYPE_CATEGORY_ICON);
-            if($save_icon_image_res['status'] && $save_icon_image_res['first_file_id'] !== 0){
-                $model->icon = $save_icon_image_res['first_file_id'];
-                $model->save();
-            }
+            $res = FileManager::saveFileInModel($model, 'iconImageId', $icon_image_old_id_arr, File::OWN_TYPE_CATEGORY_ICON, 'icon');
 
+            if ($res) {
                 return $this->redirect('index');
             }
+        }
 
         return $this->render('update', [
             'model' => $model,