multi-store/app/api/controller/order/CartController.php

<?php

namespace app\api\controller\order;

use app\api\logic\order\CartLogic;
use app\api\validate\CartValidate;
use app\api\controller\BaseApiController;
use app\api\lists\order\CartList;
use app\api\lists\order\CartWholesaleList;
use app\common\model\order\Cart;
use app\common\model\store_product\StoreProduct;
use app\common\model\store_product_unit\StoreProductUnit;

class CartController extends BaseApiController
{
    public function list()
    {
        return $this->dataLists(new CartList());
    }
    /**
     * 批发商品列表
     */
    public function wholesale_lists(){

        return $this->dataLists(new CartWholesaleList());
    }
    /**
     * @notes 添加购物车
     */
    public function create()
    {
        $params = (new CartValidate())->post()->goCheck('add');
        $params['uid'] = $this->request->userId;
        $result = Cart::where(['uid' => $params['uid'], 'store_id' => $params['store_id'], 'product_id' => $params['product_id'], 'attr_value_id' => $params['attr_value_id'], 'is_fail' => 0, 'is_pay' => 0, 'delete_time' => null])->find();
        $params['cart_num']=bcadd($params['cart_num'],0,2);
        //判断起批发价
        $branchProduct = StoreProduct::where(
            [
                'id' => $params['product_id'],
            ]
        )->find();
        if (!$branchProduct) {
            return $this->fail('商品不存在');
        }
        if ($params['cart_num'] < $branchProduct['batch']) {
            return $this->fail('起批发量低于最低值' . $branchProduct['batch']);
        }

        if (convertNumber($params['cart_num']) === false) {
            $is_bulk = StoreProductUnit::where('id', $branchProduct['unit'])->value('is_bulk');
            if ($is_bulk == 0) {
                return $this->fail('非计量商品,不能有小数,请编辑购物车');
            }
            
        }

        //数量下单判断
        $count = Cart::where(['uid' => $params['uid'], 'is_pay' => 0])->count();
        if ($count > 100) {
            return $this->fail('购物车商品不能大于100个，请先结算');
        }
        //数量下单判断
        //        $stock = StoreBranchProduct::where(
        //            ['product_id'=>$params['product_id'],
        //            'store_id'=>$params['store_id']
        //            ])->value('stock')??0;
        //        if ($params['cart_num'] >$stock) {
        //            return $this->fail('库存数量不足');
        //        }
        if ($result) {
            if (isset($params['type']) && $params['type'] == 1) {
                $res = CartLogic::add($params);
            } else {
                $res = CartLogic::edit($params);
            }
        } else {
            $res = CartLogic::add($params);
        }
        if ($res) {
            return $this->success('添加成功');
        } else {
            return $this->fail(CartLogic::getError());
        }
    }

    /**
     * @notes 修改购物车
     */
    public function change()
    {
        $params = (new CartValidate())->post()->goCheck('change');
        $params['uid'] = $this->request->userId;
        $params['cart_num']=bcadd($params['cart_num'],0,2);
        if (convertNumber($params['cart_num']) === false) {
            $branchProduct = StoreProduct::where(
                [
                    'id' => $params['product_id'],
                ]
            )->find();
            $is_bulk = StoreProductUnit::where('id', $branchProduct['unit'])->value('is_bulk');
            if ($is_bulk == 0) {
                return $this->fail('非计量商品,不能有小数,请编辑购物车');
            }
        }
        $res = CartLogic::edit($params, 'dec');
        if ($res) {
            return $this->success('修改成功');
        } else {
            return $this->fail('修改失败');
        }
    }

    /**
     * @notes 删除购物车
     */
    public function delete()
    {
        $params = (new CartValidate())->post()->goCheck('delete');
        $params['uid'] = $this->request->userId;
        $res = CartLogic::delete($params);
        if ($res) {
            return $this->success('删除成功');
        } else {
            return $this->fail('删除失败');
        }
    }
}