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

<?php

namespace App\Service\v3\Implementations;

use App\Constants\v3\ErrorCode;
use App\Exception\ErrorCodeException;
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){
                continue;
            }
            $subtotal = 0;
            foreach ($store['shopping_cart'] as $k => &$shopcart){
                if($shopcart['activity_type'] == 1){
                    $goodsType = $this->goodsService->check($shopcart['goods_id']);
                }else{
                    $goodsType = $this->goodsActivityService->check($shopcart['goods_id'],$shopcart['num'],$shopcart['user_id']);
                }
                if($goodsType !== true){
                    unset($store['shopping_cart'][$k]);
                    continue;
                }
                if($shopcart['activity_type'] == 1){
                    $builder = Goods::query();
                }else{
                    $builder = GoodsActivity::query();
                }
                $shopcart['goods'] = $builder->where('id',$shopcart['goods_id'])->first()->toArray();
                $subtotal+= $shopcart['num'] * $shopcart['goods']['price'];
            }
            $store['subtotal'] = $subtotal;
            $storeArr[] = $store;
        }
        return $storeArr;
    }

    public function check($userId,$goodsId,$activityType = 1)
    {
        $ShoppingCart = ShoppingCart::query()->where([
            ['user_id','=',$userId],
            ['goods_id','=',$goodsId],
            ['activity_type','=',$activityType],
        ])
            ->select('num')
            ->first();
        return $ShoppingCart->num ?? 0;
    }

    public function undo($userId,$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){
            $addStore = false;
            $sotreType = $this->storeService->check($store['id']);
            if(!$sotreType){
                $addStore = true;
            }
            foreach ($store['shopping_cart'] as $k => &$shopcart){
                if($shopcart['activity_type'] == 1){
                    $goodsType = $this->goodsService->check($shopcart['goods_id']);
                }else{
                    $goodsType = $this->goodsActivityService->check($shopcart['goods_id'],$shopcart['num'],$shopcart['user_id']);
                }
                if($goodsType === true){
                    unset($store['shopping_cart'][$k]);
                    continue;
                }
                $addStore = true;
                if($shopcart['activity_type'] == 1){
                    $builder = Goods::query();
                }else{
                    $builder = GoodsActivity::query();
                }
                $shopcart['goods'] = $builder->where('id',$shopcart['goods_id'])->first()->toArray();
                $shopcart['goods']['invalid_cause'] = $goodsType;
            }
            if($addStore){
                $storeArr[] = $store;
            }
        }
        return $storeArr;
    }

    public function countGoods($userId,$marketId)
    {
        $shoppingCart = $this->allForUser($userId,$marketId);
        $count = 0;
        foreach ($shoppingCart['store_lists'] as $store){
            foreach ($store['shopping_cart'] as $cart) {
                $num = $cart['num'];
                $count += $num;
            }
        }
        return $count;
    }

    public function getTotal($userId,$marketId)
    {
        $shoppingCart = $this->allForUser($userId,$marketId);
        return $shoppingCart['total'];
    }

    public function getGoodsByShopcartId($shopcartIds)
    {
        bcscale(6);
        // 查询当前用户的市场下的购物车数据
        $shopcartIdsArr = explode(',',$shopcartIds);
        $carts = ShoppingCart::query()
            ->with(['store', 'goods'])
            ->whereIn('id',$shopcartIdsArr)
            ->get();
        $cartList = [];
        $totalAmount = 0;
        foreach ($carts as $key => &$cart) {
            if (empty($cart->store)) {
                throw new ErrorCodeException(ErrorCode::STORE_NOT_AVAILABLE);
                continue;
            }

            if (empty($cart->goods)) {
                throw new ErrorCodeException(ErrorCode::GOODS_NOT_EXISTS);
                continue;
            }

            $shoppingCart = $cart->toArray();
            $store = $shoppingCart['store'];
            unset($shoppingCart['store']);

            // 商户是否歇业
            $checkStore = $this->storeService->check($store['id']);
            if (!$checkStore) {
                throw new ErrorCodeException(ErrorCode::STORE_NOT_AVAILABLE);
                continue;
            }

            // 商品是否失效
            if ($cart->activity_type == 2) {
                $goods = GoodsActivity::query()->find($cart->goods_id);
                $res = $this->goodsActivityService->check($goods, $cart->num, $cart->user_id);
            } else {
                $goods = Goods::query()->find($cart->goods_id);
                $res = $this->goodsService->check($goods, $cart->num);
            }

            if ($res === true) {
                $cartList['store_lists'][$store['id']]['store'] = $store;
                $cartList['store_lists'][$store['id']]['shopping_cart'][] = $shoppingCart;

                if (isset($cartList['store_lists'][$store['id']]['subtotal'])) {
                    $cartList['store_lists'][$store['id']]['subtotal'] = bcadd(
                        $cartList['store_lists'][$store['id']]['subtotal'],
                        bcmul($cart->goods->price, $cart->num)
                    );
                } else {
                    $cartList['store_lists'][$store['id']]['subtotal'] = bcmul($cart->goods->price, $cart->num);
                }

                $totalAmount = bcadd($totalAmount, bcmul($cart->goods->price, $cart->num));
            }else{
                throw new ErrorCodeException($res);
            }
        }

        $cartList['store_lists'] = isset($cartList['store_lists']) ? array_values($cartList['store_lists']) : [];

        foreach ($cartList['store_lists'] as $key => &$value) {
            $value['subtotal'] = bcadd($value['subtotal'], '0' , 2);
        }

        $cartList['total'] = bcadd($totalAmount, '0', 2);
        return $cartList['store_lists'];
    }

    /**
     * 获取用户购物车数据
     * @param $userId
     * @param $marketId
     * @return array
     */
    public function allForUser($userId, $marketId)
    {

        bcscale(6);
        // 查询当前用户的市场下的购物车数据
        $carts = ShoppingCart::query()
            ->with(['store',
                'goods' => function($query) {
                    $query->withoutGlobalScope('normal');
                }
            ])
            ->where(['user_id' => $userId])
            ->where(['market_id' => $marketId])
            ->get();
        $cartList = [];
        $totalAmount = 0;
        foreach ($carts as $key => &$cart) {

            if (empty($cart->store)||empty($cart->goods)) {
                continue;
            }

            $shoppingCart = $cart->toArray();
            $store = $shoppingCart['store'];
            unset($shoppingCart['store']);

            // 商户是否歇业
            $checkStore = $this->storeService->check($store['id']);
            if (!$checkStore) {

                $cartList['store_lists_invalid'][$store['id']]['store'] = $store;
                $cartList['store_lists_invalid'][$store['id']]['shopping_cart'][] = $shoppingCart;

                if (isset($cartList['store_lists_invalid'][$store['id']]['subtotal'])) {
                    $cartList['store_lists_invalid'][$store['id']]['subtotal'] = bcadd(
                        $cartList['store_lists_invalid'][$store['id']]['subtotal'],
                        bcmul($cart->goods->price, $cart->num)
                    );
                } else {
                    $cartList['store_lists_invalid'][$store['id']]['subtotal'] = bcmul($cart->goods->price, $cart->num);
                }
                continue;
            }

            // 商品是否失效
            if ($cart->activity_type == 2) {
                $res = $this->goodsActivityService->check($cart->goods, $cart->num, $cart->user_id);
            } else {
                $res = $this->goodsService->check($cart->goods, $cart->num);
            }

            if ($res === true) {

                $cartList['store_lists'][$store['id']]['store'] = $store;
                $cartList['store_lists'][$store['id']]['shopping_cart'][] = $shoppingCart;

                if (isset($cartList['store_lists'][$store['id']]['subtotal'])) {
                    $cartList['store_lists'][$store['id']]['subtotal'] = bcadd(
                        $cartList['store_lists'][$store['id']]['subtotal'],
                        bcmul($cart->goods->price, $cart->num)
                    );
                } else {
                    $cartList['store_lists'][$store['id']]['subtotal'] = bcmul($cart->goods->price, $cart->num);
                }

                $totalAmount = bcadd($totalAmount, bcmul($cart->goods->price, $cart->num));
            } else {

                $cartList['store_lists_invalid'][$store['id']]['store'] = $store;
                $cartList['store_lists_invalid'][$store['id']]['shopping_cart'][] = $shoppingCart;

                if (isset($cartList['store_lists_invalid'][$store['id']]['subtotal'])) {
                    $cartList['store_lists_invalid'][$store['id']]['subtotal'] = bcadd(
                        $cartList['store_lists_invalid'][$store['id']]['subtotal'],
                        bcmul($cart->goods->price, $cart->num)
                    );
                } else {
                    $cartList['store_lists_invalid'][$store['id']]['subtotal'] = bcmul($cart->goods->price, $cart->num);
                }
            }


        }

        $cartList['store_lists'] = isset($cartList['store_lists']) ? array_values($cartList['store_lists']) : [];
        $cartList['store_lists_invalid'] = isset($cartList['store_lists_invalid']) ? array_values($cartList['store_lists_invalid']) : [];

        foreach ($cartList['store_lists'] as $key => &$value) {
            $value['subtotal'] = bcadd($value['subtotal'], '0' , 2);
        }

        foreach ($cartList['store_lists_invalid'] as $key => &$value) {
            $value['subtotal'] = bcadd($value['subtotal'], '0' , 2);
        }

        $cartList['total'] = bcadd($totalAmount, '0', 2);

        return $cartList;
    }
}