hemall.terabimsoft.com.cn/app/backend/modules/order/controllers/ChangeOrderPriceController.php

<?php
/**
 * 改价
 * Created by PhpStorm.
 * Author: 芸众商城 www.yunzshop.com
 * Date: 2017/3/18
 * Time: 上午10:00
 */

namespace app\backend\modules\order\controllers;

use app\backend\modules\order\models\Order;
use app\common\components\BaseController;
use app\common\models\order\OrderChangePriceLog;
use app\common\models\OrderGoods;
use app\frontend\modules\order\services\OrderService;
use Illuminate\Support\Facades\DB;

class ChangeOrderPriceController extends BaseController
{
    /**
     * 展示
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function index()
    {
        $order_model = Order::find(\YunShop::request()->order_id);
        return view('order.change_price',[
            'order_goods_model' => $order_model->hasManyOrderGoods,
            'order_model'       => $order_model,
            'change_num'        => 1//改价次数
        ]);
    }


    /**
     * 修改
     * @param \Request $request
     * @return \Illuminate\Http\JsonResponse
     */
    public function store(\Illuminate\Http\Request $request)
    {
        OrderService::changeOrderPrice($request);

        return $this->message('改价成功');
    }

    /**
     * 改价状态清空重置 todo 有bug
     * @param \Request $request
     */
    public function back(\Illuminate\Http\Request $request){
        $orderId = $request->input('order_id');
        $this->validate([
            'order_id'=>'required'
        ]);
        $order = Order::find($orderId);
        $change_price = $order->orderChangePriceLogs->sum('change_price');

        $order->price -= $change_price;
        $order->order_goods_price -= $change_price;
        $order->dispatch -= $order->orderChangePriceLogs->sum('change_dispatch_price');
        DB::transaction(function ()use ($order){
            $order->hasManyOrderGoods->sum(function ($orderGoods){
                dd($orderGoods->hasManyChangeOrderGoodsPrcieLogs);
                exit;
                if(!isset($orderGoods->hasManyChangeOrderGoodsPrcieLogs)){
                    return 0;
                }
                $result = $orderGoods->hasManyChangeOrderGoodsPrcieLogs->sum('change_price');
                /**
                 * @var $orderGoods OrderGoods
                 */
                $orderGoods->orderGoodsChangePriceLogs()->delete();
                return $result;
            });
            $order->orderChangePriceLogs()->delete();
            $order->push();
        });

        echo 'ok';
    }

    /**
     * 展示
     */
    public function indexApi()
    {
        $order_model = Order::with(['hasManyOrderGoods'=> function($query) {
            $query->with('hasOneGoods');
        },'address'])->find(request()->order_id);

        return $this->successJson('show',[
            'order_goods_model' => $order_model->hasManyOrderGoods,
            'order_model'       => $order_model,
            'change_num'        => 1//改价次数
        ]);
    }


    /**
     * 修改价格保存
     * @return \Illuminate\Http\JsonResponse
     * @throws \app\common\exceptions\AppException
     */
    public function storeApi()
    {
        OrderService::changeOrderPrice(request()->input());

        return $this->successJson('改价成功');
    }
}