package dao

import "git.rosy.net.cn/jx-print/globals"

type PrintActivation struct {
}

var PrintActivationDao = new(PrintActivation)

// QueryPrintHeartBeat 查询打印机是否心跳监听正常
func (p *PrintActivation) QueryPrintHeartBeat(printNo string) (bool, error) {
	count := 0
	err := globals.GetDB().QueryRow(`SELECT count(print_no) FROM print_activation WHERE print_no = ?`, []interface{}{printNo}...).Scan(&count)
	if err != nil {
		return false, err
	}
	return count == 1, nil
}