gx

+<?php
+
+namespace App\Http\Logic\Bside\News;
+
+use App\Enums\Common\Code;
+use App\Http\Logic\Bside\BaseLogic;
+use App\Models\News\News as NewsModel;
+use App\Models\News\NewsCategory as NewsCategoryModel;
+use Illuminate\Support\Facades\DB;
+
+class NewsCategoryLogic extends BaseLogic
+{
+    public function __construct()
+    {
+        parent::__construct();
+
+        $this->model = new NewsCategoryModel();
+    }
+    /**
+     * @name :添加时验证上级分类是否有商品，有则替换带当前分类下
+     * @return void
+     * @author :liyuhang
+     * @method
+     */
+    public function add_news_category(){
+        DB::beginTransaction();
+        $this->param = $this->requestAll;
+        $this->param['project_id'] = $this->user['project_id'];
+        $this->param['operator_id'] = $this->user['id'];
+        $this->param['create_id'] = $this->user['id'];
+        $this->param['created_at'] = date('Y-m-d H:i:s');
+        $this->param['updated_at'] = date('Y-m-d H:i:s');
+        $cate_id = $this->model->insertGetId($this->param);
+        if($cate_id === false){
+            DB::rollBack();
+            $this->fail('error',Code::USER_ERROR);
+        }
+        //判断为子分类时
+        if(isset($this->param['pid']) && !empty($this->param['pid'])) {
+            //查看当前上级分类下是否有其他分类
+            $cate_info = $this->model->read(['pid' => $this->param['pid'], 'id' => ['!=', $cate_id]]);
+            if ($cate_info === false) {
+                //查看当前上一级分类下是否有新闻
+                $newsModel = new NewsModel();
+                $news_info = $newsModel->read(['category_id' => ['like', ',' . $this->param['pid'] . ',']]);
+                if ($news_info !== false) {
+                    $replacement = ',' . $cate_id . ',';
+                    $old = ',' . $this->param['pid'] . ',';
+                    //更新所有商品到当前分类
+                    $rs = DB::table('gl_news')->where('category_id', 'like', '%' . $old . '%')
+                        ->update(['category_id' => DB::raw("REPLACE(category_id, '$old', '$replacement')")]);
+                    if ($rs === false) {
+                        DB::rollBack();
+                        $this->fail('error', Code::USER_ERROR);
+                    }
+                }
+            }
+        }
+        DB::commit();
+        $this->success();
+    }
+}

+<?php
+
+namespace App\Http\Logic\Bside\News;
+
+use App\Http\Logic\Bside\BaseLogic;
+
+class NewsLogic extends BaseLogic
+{
+
+}