xmpt/app/models/store/StoreActivityProduct.php

<?php
/**
 * Created by PhpStorm
 * Author: 向往那片天空
 * Date: 2020/6/9
 * Time: 9:07
 * 微信/QQ: 250023777
 * 格言: 抓住中心，宁精勿杂，宁专勿多
 */

namespace app\models\store;


use app\admin\model\order\StoreOrder;
use app\admin\model\store\StoreProductAttrValue;
use crmeb\basic\BaseModel;
use crmeb\services\PHPExcelService;
use crmeb\traits\ModelTrait;

class StoreActivityProduct extends BaseModel
{
    /**
     * 数据表主键
     * @var string
     */
    protected $pk = 'id';

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

    use ModelTrait;

    public static function validWhere()
    {
        return self::where('is_del', 0);
    }

    /**
     * 获取活动数据
     * @param int $page
     * @param int $limit
     * @return mixed
     */
    public static function getAll($aid, $page = 0, $limit = 20)
    {
        $model = new self();
        $model = $model->alias('a');
        $model = $model->join('StoreProduct s', 's.id=a.product_id');
        $model = $model->field('a.*,s.price as product_price,s.ficti');
        $model = $model->order('a.sort desc,a.id desc');
        $model = $model->where('a.is_show', 1);
        if($aid)
            $model = $model->where('a.aid', $aid);
        $model = $model->where('a.is_del', 0);
        if ($page) $model = $model->page($page, $limit);
        return $model->select()->each(function ($item) {
            $item['image'] = set_file_url($item['image']);
            $item['activity']=StoreActivity::where("id={$item['aid']}")->find();
        });
    }

    /**
     * 获取一条活动商品数据
     * @param $id
     * @return mixed
     */
    public static function getActivityOne($id)
    {
        $model = new self();
        $model = $model->alias('a');
        $model = $model->join('StoreProduct s', 's.id=a.product_id');
//        $model = $model->field('a.*,s.price as product_price,SUM(s.sales+s.ficti) as total');
        $model = $model->field('a.*,s.price as product_price,s.ficti');
        $model = $model->where('a.is_show', 1);
        $model = $model->where('a.is_del', 0);
        $model = $model->where('a.id', $id);
//        $model = $model->where('a.start_time','<',time());
//        $model = $model->where('a.stop_time','>',time()-86400);
        return $model->find();
    }

    /**
     * 修改销量和库存
     * @param $num
     * @param $CombinationId
     * @return bool
     */
    public static function decCombinationStock($num, $CombinationId, $unique)
    {
        $product_id = self::where('id',$CombinationId)->value('product_id');
        if ($unique) {
            $res = false !== StoreProductAttrValue::decProductAttrStock($CombinationId, $unique, $num,4);
            $res = $res && self::where('id', $CombinationId)->dec('stock', $num)->inc('sales', $num)->update();
            $sku = StoreProductAttrValue::where('product_id',$CombinationId)->where('unique',$unique)->where('type',4)->value('suk');
            $res = $res && StoreProductAttrValue::where('product_id',$product_id)->where('suk',$sku)->where('type',0)->dec('stock',$num)->inc('sales',$num)->update();
        } else {
            $res = false !== self::where('id', $CombinationId)->dec('stock', $num)->inc('sales', $num)->update();
            $res = $res && StoreProduct::where('id',$product_id)->dec('stock', $num)->inc('sales', $num)->update();
        }
        return $res;
    }
}