twong329/app/models/store/StoreCart.php

<?php

namespace app\models\store;

use app\admin\model\store\StoreProductAttrValue;
use app\admin\model\system\SystemGroupData;
use crmeb\basic\BaseModel;
use crmeb\services\UtilService;
use crmeb\traits\ModelTrait;

/**
 * TODO 购物车Model
 * Class StoreCart
 * @package app\models\store
 */
class StoreCart extends BaseModel
{
    /**
     * 数据表主键
     * @var string
     */
    protected $pk = 'id';

    /**
     * 模型名称
     * @var string
     */
    protected $name = 'store_cart';

    use ModelTrait;

    protected $insert = ['add_time'];

    protected function setAddTimeAttr()
    {
        return time();
    }

    public static function setCart($uid, $product_id, $cart_num = 1, $product_attr_unique = '', $type = 'product', $is_new = 0, $combination_id = 0, $seckill_id = 0, $bargain_id = 0)
    {
        if ($cart_num < 1) $cart_num = 1;
        if (!$product_attr_unique) {
            $id = 0;
            $activity_type = 0;
            if ($seckill_id) {
                $id = $seckill_id;
                $activity_type = 1;
            } elseif ($bargain_id) {
                $id = $bargain_id;
                $activity_type = 2;
            } elseif ($combination_id) { //拼团
                $id = $combination_id;
                $activity_type = 3;
            }
            $unique = StoreProduct::getSingleAttrUnique($product_id, $id, $activity_type);
            if ($unique) {
                $product_attr_unique = $unique;
            }
        }
        if (!StoreOrder::checkProductStock($uid, $product_id, $cart_num, $product_attr_unique, $combination_id, $seckill_id, $bargain_id)) {
            return self::setErrorInfo(StoreOrder::getErrorInfo());
        }
        if ($cart = self::where('type', $type)->where('uid', $uid)->where('product_id', $product_id)->where('product_attr_unique', $product_attr_unique)->where('is_new', $is_new)->where('is_pay', 0)->where('is_del', 0)->where('combination_id', $combination_id)->where('bargain_id', $bargain_id)->where('seckill_id', $seckill_id)->find()) {
            if ($is_new)
                $cart->cart_num = $cart_num;
            else
                $cart->cart_num = bcadd($cart_num, $cart->cart_num, 0);
            $cart->add_time = time();
            $cart->save();
            return $cart;
        } else {
            $add_time = time();
            return self::create(compact('uid', 'product_id', 'cart_num', 'product_attr_unique', 'is_new', 'type', 'combination_id', 'add_time', 'bargain_id', 'seckill_id'));
        }
    }

    public static function removeUserCart($uid, $ids)
    {
        return self::where('uid', $uid)->where('id', 'IN', implode(',', $ids))->update(['is_del' => 1]);
    }

    public static function getUserCartNum($uid, $type, $numType)
    {
        if ($numType) {
            return self::where('c.uid', $uid)->alias('c')->join('store_product p', 'p.id = c.product_id')->where('c.type', $type)->where('c.is_pay', 0)->where('c.is_del', 0)->where('c.is_new', 0)->count();
        } else {
            return self::where('c.uid', $uid)->alias('c')->join('store_product p', 'p.id = c.product_id')->where('c.type', $type)->where('c.is_pay', 0)->where('c.is_del', 0)->where('c.is_new', 0)->sum('c.cart_num');
        }
    }

    /**
     * TODO 修改购物车库存
     * @param $cartId
     * @param $cartNum
     * @param $uid
     * @return StoreCart|bool
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     */
    public static function changeUserCartNum($cartId, $cartNum, $uid)
    {
        $count = self::where('uid', $uid)->where('id', $cartId)->count();
        if (!$count) return self::setErrorInfo('参数错误');
        $cartInfo = self::where('uid', $uid)->where('id', $cartId)->field('product_id,combination_id,seckill_id,bargain_id,product_attr_unique,cart_num')->find()->toArray();
        $stock = 0;
        if ($cartInfo['bargain_id']) {
            //TODO 获取砍价产品的库存
            $stock = 0;
        } else if ($cartInfo['seckill_id']) {
            //TODO 获取秒杀产品的库存
            $stock = 0;
        } else if ($cartInfo['combination_id']) {
            //TODO 获取拼团产品的库存
            $stock = 0;
        } else if ($cartInfo['product_id']) {
            //TODO 获取普通产品的库存
            $stock = StoreProduct::getProductStock($cartInfo['product_id'], $cartInfo['product_attr_unique']);
        }
        if (!$stock) return self::setErrorInfo('暂无库存');
        if (!$cartNum) return self::setErrorInfo('库存错误');
        if ($stock < $cartNum) return self::setErrorInfo('库存不足' . $cartNum);
        if ($cartInfo['cart_num'] == $cartNum) return true;
        return self::where('uid', $uid)->where('id', $cartId)->update(['cart_num' => $cartNum]);
    }

    /**
     * 获取购物车商品列表
     * 
     * @uid
     * @cartIds: string
     * @status: 1/0 是否为立即购买, 如果传入1,则不过滤 is_new 字段
     */
    public static function getUserProductCartList($uid, $cartIds = '', $status = 0)
    {
        $productInfoField = 'id,image,price,ot_price,vip_price,postage,give_integral,sales,stock,store_name,unit_name,is_show,is_del,is_postage,cost,is_sub,temp_id';
        $seckillInfoField = 'id,image,price,ot_price,postage,give_integral,sales,stock,title as store_name,unit_name,is_show,is_del,is_postage,cost,temp_id,weight,volume,start_time,stop_time,time_id';
        $bargainInfoField = 'id,image,min_price as price,price as ot_price,postage,give_integral,sales,stock,title as store_name,unit_name,status as is_show,is_del,is_postage,cost,temp_id,weight,volume';
        $combinationInfoField = 'id,image,price,postage,sales,stock,title as store_name,is_show,is_del,is_postage,cost,temp_id,weight,volume';
        $model = new self();
        $valid = $invalid = [];
        $model = $model->alias('c')->field('c.*')->join('store_product p', 'c.product_id = p.id')
            ->where('c.uid', $uid)
            ->where('c.type', 'product')
            ->where('c.is_pay', 0)
            ->where('c.is_del', 0);
        if (!$status) $model = $model->where('c.is_new', 0);
        if ($cartIds) $model = $model->where('c.id', 'IN', $cartIds);
        $model = $model->order('c.add_time DESC');
        $list = $model->select()->toArray();
        if (!count($list)) return compact('valid', 'invalid');

        $now = time();
        // TODO: for 里调 sql
        foreach ($list as $k => $cart) {
            // 根据购物车中每一件商品ID 找到商品信息
            if ($cart['seckill_id']) {
                $product = StoreSeckill::field($seckillInfoField)
                    ->find($cart['seckill_id'])->toArray();
            } elseif ($cart['bargain_id']) {
                $product = StoreBargain::field($bargainInfoField)
                    ->find($cart['bargain_id'])->toArray();
            } elseif ($cart['combination_id']) {
                $product = StoreCombination::field($combinationInfoField)
                    ->find($cart['combination_id'])->toArray();
            } else {
                $product = StoreProduct::field($productInfoField)
                    ->find($cart['product_id'])->toArray();
            }
            $product['image'] = set_file_url($product['image']);
            $cart['productInfo'] = $product;

            //商品不存在
            if (!$product) {
                $model->where('id', $cart['id'])->update(['is_del' => 1]);
                //商品删除或无库存
            } else if (!$product['is_show'] || $product['is_del'] || !$product['stock']) {
                $invalid[] = $cart;

                //秒杀产品未开启或者已结束
            } else if ($cart['seckill_id'] && ($product['start_time'] > $now || $product['stop_time'] < $now - 86400)) {
                $invalid[] = $product;
                //商品属性不对应
            } else if (!StoreProductAttr::issetProductUnique($cart['product_id'], $cart['product_attr_unique']) && !$cart['combination_id'] && !$cart['seckill_id'] && !$cart['bargain_id']) {
                $invalid[] = $cart;
                //正常商品
            } else {

                if ($cart['seckill_id']) {
                    $config = SystemGroupData::get($product['time_id']);
                    if ($config) {
                        $arr = json_decode($config->value, true);
                        $now_hour = date('H', time());
                        $start_hour = $arr['time']['value'];
                        $continued = $arr['continued']['value'];
                        $end_hour = $start_hour + $continued;
                        if ($start_hour > $now_hour) {
                            //'活动未开启';
                            $invalid[] = $cart;
                            continue;
                        } elseif ($end_hour < $now_hour) {
                            //'活动已结束';
                            $invalid[] = $cart;
                            continue;
                        }
                    }
                }
                if ($cart['product_attr_unique']) { // 大部分走这个分支
                    // 从 product_attr_value 表中根据 unique 找到 sku 详情
                    $attrInfo = StoreProductAttr::uniqueByAttrInfo($cart['product_attr_unique']);
                    //商品没有对应的属性
                    if (!$attrInfo || !$attrInfo['stock'])
                        $invalid[] = $cart;
                    else {
                        $cart['productInfo']['attrInfo'] = $attrInfo;
                        if ($cart['combination_id'] || $cart['seckill_id'] || $cart['bargain_id']) {
                            if ($cart['bargain_id']) {
                                $cart['truePrice'] = $cart['productInfo']['price'];
                            } else {
                                $cart['truePrice'] = $attrInfo['price'];
                            }
                            $cart['vip_truePrice'] = 0;
                        } else {
                            $cart['truePrice'] = (float)StoreProduct::setLevelPrice($attrInfo['price'], $uid, true);
                            $cart['vip_truePrice'] = (float)StoreProduct::setLevelPrice($attrInfo['price'], $uid);
                        }
                        $cart['trueStock'] = $attrInfo['stock'];
                        $cart['costPrice'] = $attrInfo['cost'];
                        $cart['productInfo']['image'] = empty($attrInfo['image']) ? $cart['productInfo']['image'] : $attrInfo['image'];
                        $valid[] = $cart;
                    }
                } else {
                    if ($cart['combination_id'] || $cart['seckill_id'] || $cart['bargain_id']) {
                        $cart['truePrice'] = $cart['productInfo']['price'];
                        $cart['vip_truePrice'] = 0;
                        if ($cart['bargain_id']) {
                            $cart['productInfo']['attrInfo'] = StoreProductAttrValue::where('product_id', $cart['bargain_id'])->where('type', 2)->find();
                        }
                        $cart['productInfo']['attrInfo']['weight'] = $product['weight'];
                        $cart['productInfo']['attrInfo']['volume'] = $product['volume'];
                    } else {
                        $cart['truePrice'] = (float)StoreProduct::setLevelPrice($cart['productInfo']['price'], $uid, true);
                        $cart['vip_truePrice'] = (float)StoreProduct::setLevelPrice($cart['productInfo']['price'], $uid);
                    }
                    $cart['trueStock'] = $cart['productInfo']['stock'];
                    $cart['costPrice'] = $cart['productInfo']['cost'];
                    $valid[] = $cart;
                }
            }
        } // foreach

        // TODO: for 里 sql
        foreach ($valid as $k => $cart) {
            if ($cart['trueStock'] < $cart['cart_num']) {
                $cart['cart_num'] = $cart['trueStock'];
                $model = new self();
                $model->where('id', $cart['id'])->update(['cart_num' => $cart['cart_num']]);
                $valid[$k] = $cart;
            }

            unset($valid[$k]['uid'], $valid[$k]['is_del'], $valid[$k]['is_new'], $valid[$k]['is_pay'], $valid[$k]['add_time']);
            if (isset($valid[$k]['productInfo'])) {
                unset($valid[$k]['productInfo']['is_del'], $valid[$k]['productInfo']['is_del'], $valid[$k]['productInfo']['is_show']);
            }
        }
        foreach ($invalid as $k => $cart) {
            unset($valid[$k]['uid'], $valid[$k]['is_del'], $valid[$k]['is_new'], $valid[$k]['is_pay'], $valid[$k]['add_time']);
            if (isset($invalid[$k]['productInfo'])) {
                unset($invalid[$k]['productInfo']['is_del'], $invalid[$k]['productInfo']['is_del'], $invalid[$k]['productInfo']['is_show']);
            }
        }

        return compact('valid', 'invalid');
    }

    /**
     * 拼团
     * @param $uid
     * @param string $cartIds
     * @return array
     */
    public static function getUserCombinationProductCartList($uid, $cartIds = '')
    {
        $productInfoField = 'id,image,slider_image,price,cost,ot_price,vip_price,postage,mer_id,give_integral,cate_id,sales,stock,store_name,unit_name,is_show,is_del,is_postage';
        $model = new self();
        $valid = $invalid = [];
        $model = $model->where('uid', $uid)->where('type', 'product')->where('is_pay', 0)
            ->where('is_del', 0);
        if ($cartIds) $model->where('id', 'IN', $cartIds);
        $list = $model->select()->toArray();
        if (!count($list)) return compact('valid', 'invalid');
        foreach ($list as $k => $cart) {
            $product = StoreProduct::field($productInfoField)
                ->find($cart['product_id'])->toArray();
            $cart['productInfo'] = $product;
            //商品不存在
            if (!$product) {
                $model->where('id', $cart['id'])->update(['is_del' => 1]);
                //商品删除或无库存
            } else if (!$product['is_show'] || $product['is_del'] || !$product['stock']) {
                $invalid[] = $cart;
                //商品属性不对应
                //            }else if(!StoreProductAttr::issetProductUnique($cart['product_id'],$cart['product_attr_unique'])){
                //                $invalid[] = $cart;
                //正常商品
            } else {
                $cart['truePrice'] = (float)StoreCombination::where('id', $cart['combination_id'])->value('price');
                $cart['costPrice'] = (float)StoreCombination::where('id', $cart['combination_id'])->value('cost');
                $cart['trueStock'] = StoreCombination::where('id', $cart['combination_id'])->value('stock');
                $valid[] = $cart;
            }
        }

        foreach ($valid as $k => $cart) {
            if ($cart['trueStock'] < $cart['cart_num']) {
                $cart['cart_num'] = $cart['trueStock'];
                $model->where('id', $cart['id'])->update(['cart_num' => $cart['cart_num']]);
                $valid[$k] = $cart;
            }
        }

        return compact('valid', 'invalid');
    }

    /**
     * 产品编号
     * @param array $ids
     * @return array
     */
    public static function getCartIdsProduct(array $ids)
    {
        return self::whereIn('id', $ids)->column('product_id', 'id');
    }

    /**
     *  获取购物车内最新一张产品图
     */
    public static function getProductImage(array $cart_id)
    {
        return self::whereIn('a.id', $cart_id)->alias('a')->order('a.id desc')
            ->join('store_product p', 'p.id = a.product_id')->value('p.image');
    }
}