72 lines
2.1 KiB
PHP
Executable File
72 lines
2.1 KiB
PHP
Executable File
<?php
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/**
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* 订单商品模型
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*/
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namespace app\common\model;
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use think\model\concern\SoftDelete;
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use think\db;
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class OrderGoods extends Model
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{
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use SoftDelete;
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public $softDelete = true;
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protected $name = 'order_goods';
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protected $autoWriteTimestamp = true;
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//下单扣除订单库存
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public static function decStock($goods)
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{
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$goods_ids = [];
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foreach ($goods as $k1 => $good) {
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$item_value = $good['item_value'];
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//扣除库存,扣除规格库存,增加商品销量
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Db::name('goods')
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->where('id', $good['goods_id'])
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->update([
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'order_num' => Db::raw("order_num+" . $good['goods_num']),
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'stock' => Db::raw('stock-' . $good['goods_num'])
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]);
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//扣除规格表库存
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Db::name('goods_item')
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->where(array('goods_id'=>$good['goods_id'],'spec_value'=>$good['item_value']))
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->setDec('stock', $good['goods_num']);
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$goods_ids[] = $good['goods_id'];
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}
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//下架商品总库存为0的商品
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if (!empty($goods_ids)){
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self::outGoods($goods_ids);
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}
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}
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/**
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* Notes: 下单后下架商品总库存为0的商品
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* @param $goods_id
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*/
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public static function outGoods($goods_ids)
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{
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try{
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$goods = Db::name('goods')
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->field('id, stock')
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->where('id', 'in', $goods_ids)
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->select();
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if (empty($goods)){
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return true;
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}
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$need_handle_ids = [];
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foreach ($goods as $good) {
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if ($good['stock'] <= 0) {
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$need_handle_ids[] = $good['id'];
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}
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}
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if (empty($need_handle_ids)){
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return true;
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}
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//下架订单商品中 商品总库存已为0的商品
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Db::name('goods')->where('id', 'in', $need_handle_ids)->update(['status' => 0]);
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} catch (\Exception $e) {}
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}
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}
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