qimall/addons/Purchase/api/modules/v1/controllers/CartController.php

<?php

namespace addons\Purchase\api\modules\v1\controllers;

use addons\Purchase\common\models\PurchaseCart;
use addons\Purchase\common\models\PurchaseManager;
use api\controllers\OnAuthController;
use common\enums\StatusEnum;
use common\models\goods\Goods;
use common\models\goods\GoodsAttr;


/**
 * Class CartController
 * @package api\modules\goods\controllers
 */
class CartController extends OnAuthController
{
    public $modelClass = '';

    /**
     * 不用进行登录验证的方法
     * 例如： ['index', 'update', 'create', 'view', 'delete']
     * 默认全部需要验证
     *
     * @var array
     */
    protected $authOptional = ['add'];


    /**
     * 添加购物车
     * @return mixed|void
     */
    public function actionAdd()
    {
        try {
            $params = \Yii::$app->request->post();
            $res = \Yii::$app->services->validate->validate($params, [
                [['goods_id', 'num'], 'required'],
                [['attr_id'], 'safe'],
            ]);
            if ($res === false) return $this->error(\Yii::$app->services->validate->getErrorMessage());
            $goods = Goods::findOne(['id' => $params['goods_id'], 'status' => StatusEnum::ENABLED, 'is_on_sale' => 1]);
            if (empty($goods)) return $this->error("商品不存在");

            // 检查用户申请是否通过
            if (PurchaseManager::check($this->user_id) == false) return $this->error("请申请资格");

            // 没有规格id则查找默认规格【寻找价格最低的规格】
            $where = ['goods_id' => $params['goods_id'], 'status' => StatusEnum::ENABLED];
            !empty($params['attr_id']) && $where['id'] = $params['attr_id'];
            $goods_attr = GoodsAttr::find()->where($where)->orderBy('price asc')->one();
            if ($goods_attr->goods_id != $params['goods_id']) return $this->error("goods_id与attr_id不配对");
            if (empty($goods->is_attr)) {
                if (empty($goods->stock)) return $this->error('库存不足');
            } else {
                //多规格
                if (empty($goods_attr)) return $this->error("所选的规格不存在");
                if (empty($goods_attr->stock)) return $this->error("所选的规格库存不足");
            }

            $params['mall_id'] = $this->mall_id;
            $params['user_id'] = $this->user_id;
            PurchaseCart::addCart($params);

            return $this->success('加入购物车成功', []);
        } catch (\Exception $e) {
            return $this->error($e->getMessage(), []);
        }

    }

    /**
     * 删除购物车
     * @return mixed|void
     */
    public function actionDel()
    {
        $params = \Yii::$app->request->post();
        $res = \Yii::$app->services->validate->validate($params, [
            [['list'], 'required'],
        ]);
        if ($res === false) return $this->error(\Yii::$app->services->validate->getErrorMessage());
        $params['mall_id'] = $this->mall_id;
        $params['user_id'] = $this->user_id;
        PurchaseCart::delCart($params);
        return $this->success('操作成功', []);
    }

    /**
     * 购物车列表
     * @return mixed|void
     */
    public function actionIndex()
    {
        $list = PurchaseCart::getCartList($this->user_id);
        $data = [];
        if (!empty($list)) {
            $attr_id_arr = [];
            $num_arr = [];
            foreach ($list as $v) {
                $row = json_decode($v, true);
                if ($row) {
                    $attr_id_arr[] = $row['attr_id'];
                    $num_arr[$row['attr_id']] = $row['num'];
                }
            }
            $params['where'] = [['id' => $attr_id_arr]];
            $params['with'] = ['goods' => function ($query) {
                $query->select('id,goods_name,is_on_sale,cover_pic,is_attr')->with(['extra']);
            }];
            $params['select'] = 'id,sign_id,goods_id,pic_url,price,name';
            $list = GoodsAttr::lists($params);
            $rows = [];

            if (!empty($list)) {
                foreach ($list as $v) {
                    $rows[] = [
                        'goods_id' => $v['goods_id'],
                        'num' => $num_arr[$v['id']],
                        'attr_id' => $v['id'],
                        'price' => $v['price'],
                        'cover_pic' => $v['goods']['cover_pic']??'',
                        'attr' => $v['name'],
                        'goods_name' => $v['goods']['goods_name'],
                        'is_on_sale' => $v['goods']['is_on_sale'],
                    ];
                }
            }
            $mall_name = \Yii::$app->services->setting->mall->get($this->mall_id, 'basic.name');
            $mall_logo = \Yii::$app->services->setting->mall->get($this->mall_id, 'basic.logo');
            $mch_arr = [
                ['id' => 0, 'mch_pic' => $mall_logo, 'mch_name' => $mall_name, 'list' => $rows]
            ];
        }
        return $this->success('操作成功', $mch_arr);
    }

    /**
     * @notes:修改购物车
     * @return mixed|null
     * @author: lun
     * @Time: 2022/10/24 14:56
     */
    public function actionUpdateCart()
    {
        try {
            $params = \Yii::$app->request->post();
            $res = \Yii::$app->services->validate->validate($params, [
                [['goods_id', 'num'], 'required'],
                [['attr_id'], 'safe'],
            ]);
            if ($res === false) return $this->error(\Yii::$app->services->validate->getErrorMessage());
            $goods = Goods::findOne(['id' => $params['goods_id'], 'status' => StatusEnum::ENABLED, 'is_on_sale' => 1]);
            if (empty($goods)) return $this->error("商品不存在");

            // 没有规格id则查找默认规格【寻找价格最低的规格】
            $where = ['goods_id' => $params['goods_id'], 'status' => StatusEnum::ENABLED];
            !empty($params['attr_id']) && $where['id'] = $params['attr_id'];
            $goods_attr = GoodsAttr::find()->where($where)->orderBy('price asc')->one();
            if ($goods_attr->goods_id != $params['goods_id']) return $this->error("goods_id与attr_id不配对");
            if (empty($goods->is_attr)) {
                if (empty($goods->stock)) return $this->error('库存不足');
            } else {
                //多规格
                if (empty($goods_attr)) return $this->error("所选的规格不存在");
                if (empty($goods_attr->stock)) return $this->error("所选的规格库存不足");
            }

            $params['mall_id'] = $this->mall_id;
            $params['user_id'] = $this->user_id;
            PurchaseCart::updateCart($params);

            return $this->success('更新购物车成功', []);
        } catch (\Exception $e) {
            return $this->error($e->getMessage(), []);
        }

    }
}