lanzu_api_2021-12-26/app/Service/v3/Implementations/ShopCartService.php

<?php

namespace App\Service\v3\Implementations;

use App\Model\v3\Goods;
use App\Model\v3\GoodsActivity;
use App\Model\v3\ShoppingCart;
use App\Model\v3\Store;
use App\Service\v3\Interfaces\GoodsActivityServiceInterface;
use App\Service\v3\Interfaces\GoodsServiceInterface;
use App\Service\v3\Interfaces\ShopCartServiceInterface;
use App\Service\v3\Interfaces\StoreServiceInterface;
use Hyperf\DbConnection\Db;
use Hyperf\Di\Annotation\Inject;

class ShopCartService implements ShopCartServiceInterface
{
    /**
     * @Inject
     * @var StoreServiceInterface
     */
    protected $storeService;
    /**
     * @Inject
     * @var GoodsServiceInterface
     */
    protected $goodsService;

    /**
     * @Inject
     * @var GoodsActivityServiceInterface
     */
    protected $goodsActivityService;
    public function do($userId,$marketId)
    {
        $storeIds = Db::table('lanzu_shopping_cart')->where([
            ['user_id','=',$userId],
            ['market_id','=',$marketId],
        ])->pluck('store_id')->toArray();
        $stores = Store::query()->with(['ShoppingCart' => function($query) use ($userId,$marketId){
                $query->where([
                    ['user_id','=',$userId],
                    ['market_id','=',$marketId],
                ]);
            }])->whereIn('id',$storeIds)
            ->get()
            ->toArray();
        $storeArr = [];
        foreach ($stores as $key => &$store){
            $sotreType = $this->storeService->check($store['id']);
            if(!$sotreType){
                unset($stores[$key]);
                continue;
            }
            $subtotal = 0;
            foreach ($store['shopping_cart'] as &$shopcart){
                if($shopcart['activity_type'] == 1){
                    $builder = Goods::query();
                }else{
                    $builder = GoodsActivity::query();
                }
                $shopcart['goods'] = $builder->where('id',$shopcart['goods_id'])->first()->toArray();
                foreach ($shopcart['goods'] as $goods){
                    if($shopcart['activity_type'] == 1){
                        $goodsType = $this->goodsService->check($goods['id']);
                    }else{
                        $goodsType = $this->goodsActivityService->check($goods['id'],$shopcart['num'],$shopcart['user_id']);
                    }
                    if($goodsType !== true){
                        unset($shopcart['goods'][$key]);
                        continue;
                    }
                    $subtotal+= $shopcart['num'] * $shopcart['goods']['price'];
                }
            }
            $store['subtotal'] = $subtotal;
            $storeArr[] = $store;
        }
        return $storeArr;
    }

    public function check($goodsId)
    {
        return mt_rand(0,6);
    }

    public function undo()
    {
        $storeIds = Db::table('lanzu_shopping_cart')->where('user_id',198)->pluck('store_id')->toArray();
        $res = Store::query()->with(['ShoppingCart' => function($query) {
            $query->with('goods');
        }])->whereIn('id',$storeIds)
            ->get();
        foreach ($res as &$k){
            $k->subtotal = '99.90';
            foreach ($k->ShoppingCart as &$v){
                switch (mt_rand(1,3)) {
                    case 1:
                        $str = '已下架';
                        break;
                    case 2:
                        $str = '已抢光';
                        break;
                    case 3:
                        $str = '已打烊';
                        break;
                }
                $v['goods']['invalid_cause'] = $str;
            }

        }
        return $res;
    }

    public function countGoods()
    {
        return mt_rand(1,100);
    }

    public function getTotal($userId,$marketId)
    {
        $randomFloat = rand(100,999)/100;
        return $randomFloat;
    }
}