<?php

namespace app\common\model;

use think\Model;
use think\Db;

/**
 * 模型
 */
class OrderGoods extends Model
{

    // 表名
    protected $name = 'shop_order_goods';
    // 开启自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';
    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = '';
    // 追加属性
    protected $append = [
    ];

    protected static $tagCount = 0;


    public function getGoodsImageAttr($value, $data)
    {
        $value = $value ?: ($data['image'] ?? '/assets/addons/shop/img/noimage.jpg');
        return cdnurl($value, true);
    }

    //销量增
    public static function setGoodsSalesInc($order_sn)
    {
        $list = (new self)->where('order_sn', $order_sn)->select();
        // 启动事务
        Db::startTrans();
        try {
            foreach ($list as $item) {
                $goods = $item->goods;
                $sku = $item->sku;
                if ($goods) {
                    $goods->setInc('sales', $item->nums);
                }
                if ($sku) {
                    $sku->setInc('sales', $item->nums);
                }
            }
            // 提交事务
            Db::commit();
        } catch (\Exception $e) {
            // 回滚事务
            Db::rollback();
        }
        return true;
    }

    //销量减
    public static function setGoodsSalesDec($order_sn)
    {
        $list = (new self)->where('order_sn', $order_sn)->select();
        // 启动事务
        Db::startTrans();
        try {
            foreach ($list as $item) {
                $goods = $item->goods;
                $sku = $item->sku;
                if ($goods) {
                    $goods->setDec('sales', $item->nums);
                }
                if ($sku) {
                    $sku->setDec('sales', $item->nums);
                }
            }
            // 提交事务
            Db::commit();
        } catch (\Exception $e) {
            // 回滚事务
            Db::rollback();
        }
        return true;
    }

    //库存增
    public static function setGoodsStocksInc($order_sn)
    {
        $list = (new self)->where('order_sn', $order_sn)->select();
        // 启动事务
        Db::startTrans();
        try {
            foreach ($list as $item) {
                $goods = $item->goods;
                $sku = $item->sku;
                if ($sku) {
                    $sku->setInc('stocks', $item->nums);
                }
                if ($goods) {
                    $goods->setInc('stocks', $item->nums);
                }
            }
            // 提交事务
            Db::commit();
        } catch (\Exception $e) {
            // 回滚事务
            Db::rollback();
        }
        return true;
    }

    //库存减
    public static function setGoodsStocksDec($order_sn)
    {
        $list = (new self)->where('order_sn', $order_sn)->select();
        // 启动事务
        Db::startTrans();
        try {
            foreach ($list as $item) {
                $goods = $item->goods;
                $sku = $item->sku;
                if ($sku) {
                    $sku->setDec('stocks', $item->nums);
                }
                if ($goods) {
                    $goods->setDec('stocks', $item->nums);
                }
            }
            // 提交事务
            Db::commit();
        } catch (\Exception $e) {
            // 回滚事务
            Db::rollback();
        }
        return true;
    }

    public function getGoodsSkuAttrAttr($value, $data)
    {
        return json_decode($value, true);
    }

    public function goods()
    {
        return $this->belongsTo('Goods', 'goods_id', 'id', [], 'LEFT')->setEagerlyType(1);
    }

    public function Sku()
    {
        return $this->belongsTo('Sku', 'goods_sku_id', 'id', [], 'LEFT');
    }

    public function Order()
    {
        return $this->hasOne('Order', 'order_sn', 'order_sn', [], 'LEFT');
    }
}