* @day: 2017/12/08 */ namespace app\admin\model\ump; use crmeb\basic\BaseModel; use crmeb\traits\ModelTrait; class StoreSeckillAttrValue extends BaseModel { /** * 模型名称 * @var string */ protected $name = 'store_seckill_attr_value'; use ModelTrait; protected $insert = ['unique']; protected function setSukAttr($value) { return is_array($value) ? implode(',',$value) : $value; } protected function setUniqueAttr($value,$data) { if(is_array($data['suk'])) $data['suk'] = $this->setSukAttr($data['suk']); return self::uniqueId($data['product_id'].$data['suk'].uniqid(true)); } public static function decProductAttrStock($productId,$unique,$num) { return false !== self::where('product_id',$productId)->where('unique',$unique) ->dec('stock',$num)->inc('sales',$num)->update(); } public static function uniqueId($key) { return substr(md5($key),12,8); } public static function clearProductAttrValue($productId) { return self::where('product_id',$productId)->delete(); } }