116 lines
4.0 KiB
PHP
116 lines
4.0 KiB
PHP
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<?php
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namespace app\admin\validate;
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use think\Validate;
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use think\Db;
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class FlashSale extends Validate
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{
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// 验证规则
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protected $rule = [
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['id','checkId'],
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['title', 'require|unique:flash_sale'],
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['goods_id', 'require'],
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['price','require|gt:0|checkPrice'],
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['goods_num','require|gt:0|checkGoodsNum'],
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['buy_limit','require|gt:0|checkLimit'],
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['start_time','require'],
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['end_time','require|checkEndTime'],
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];
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//错误信息
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protected $message = [
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'title.require' => '抢购标题必填',
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'title.unique' => '已存在相同抢购标题',
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'goods_id.require' => '请选择参与抢购的商品',
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'price.require' => '请填写限时抢购价格',
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'price.gt' => '限时抢购价格必须是大于0的数字',
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'price.checkPrice' => '限时抢购价格必须小于商品原价',
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'goods_num.require' => '请填写参加抢购数量',
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'goods_num.gt' => '抢购数量必须是大于0的数字',
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'buy_limit.require' => '请填写限购数量',
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'buy_limit.gt' => '限购数量必须是大于0的数字',
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'start_time.require' => '请选择开始时间',
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'end_time.require' => '请选择结束时间',
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'end_time.checkEndTime' => '结束时间不能早于开始时间',
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];
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/**
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* 检查限购数量
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* @param $value|验证数据
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* @param $rule|验证规则
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* @param $data|全部数据
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* @return bool|string
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*/
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protected function checkLimit($value, $rule ,$data)
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{
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if($value > $data['goods_num']){
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return '限购数量不能超过抢购数量';
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}
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$goods = Db::name("goods")->where(['goods_id'=>$data['goods_id']])->find();
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if($goods['is_virtual'] == 1 && $value > $goods['virtual_limit']){
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return '限购数量不能超过虚拟商品购买上限';
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}
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return true;
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}
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/**
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* 检查结束时间
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* @param $value|验证数据
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* @param $rule|验证规则
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* @param $data|全部数据
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* @return bool|string
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*/
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protected function checkEndTime($value, $rule ,$data)
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{
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return ($value < $data['start_time']) ? false : true;
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}
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/**
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* 检查抢购价格
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* @param $value|验证数据
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* @param $rule|验证规则
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* @param $data|全部数据
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* @return bool|string
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*/
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protected function checkPrice($value, $rule ,$data)
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{
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if($data['item_id'] > 0){
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//商品规格
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$price = Db::name("spec_goods_price")->where(['item_id'=>$data['item_id']])->getField('price');
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}else{
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$price = Db::name('goods')->where('goods_id',$data['goods_id'])->getField('shop_price');
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}
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return ($value >= $price) ? false : true;
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}
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/**
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* 检查参与抢购数量
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* @param $value|验证数据
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* @param $rule|验证规则
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* @param $data|全部数据
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* @return bool|string
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*/
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protected function checkGoodsNum($value, $rule ,$data)
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{
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if($value == 0){
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return '抢购数量不能为零';
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}
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if($data['item_id'] > 0){
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//商品规格
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$store_count = Db::name("spec_goods_price")->where(['item_id'=>$data['item_id']])->getField('store_count');
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}else{
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$store_count = Db::name("goods")->where(['goods_id'=>$data['goods_id']])->getField('store_count');
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}
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return ($value > $store_count) ? '抢购数量不能大于库存数量' : true;
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}
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/**
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* 该活动是否可以编辑
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* @param $value|验证数据
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* @param $rule|验证规则
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* @param $data|全部数据
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* @return bool|string
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*/
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protected function checkId($value, $rule ,$data)
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{
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$isHaveOrder = Db::name('order_goods')->where(['prom_type'=>1,'prom_id'=>$value])->find();
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if($isHaveOrder){
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return '该活动已有用户下单购买不能编辑';
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}else{
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return true;
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}
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}
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}
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