one_item_one_code/app/db/db_qrcode.go

package db

import (
	"applet/app/db/model"
	"applet/app/enum"
	"applet/app/utils/logx"
	"fmt"
	"xorm.io/xorm"
)

type QrcodeDb struct {
	Db *xorm.Engine `json:"db"`
}

func (qrcodeDb *QrcodeDb) Set() { // set方法
	qrcodeDb.Db = Db
}

func (qrcodeDb *QrcodeDb) GetQrcode(id int) (m *model.Qrcode, err error) {
	m = new(model.Qrcode)
	has, err := qrcodeDb.Db.Where("id =?", id).Get(m)
	if err != nil {
		return nil, logx.Error(err)
	}
	if has == false {
		return nil, nil
	}
	return m, nil
}

func (qrcodeDb *QrcodeDb) GetQrcodeByIndex(index string) (m *model.Qrcode, err error) {
	fmt.Println(">>>>>>>>>>>>>>>>>>identity<<<<<<<<<<<<<<", index)
	m = new(model.Qrcode)
	has, err := qrcodeDb.Db.Where("identity =?", index).Get(m)
	if err != nil {
		return nil, logx.Error(err)
	}
	if has == false {
		return nil, nil
	}
	return m, nil
}

func (qrcodeDb *QrcodeDb) GetQrcodeForAllowUse() (m *model.Qrcode, err error) {
	m = new(model.Qrcode)
	has, err := qrcodeDb.Db.Where("state =?", enum.QrcodeSateAllowUse).Get(m)
	if err != nil {
		return nil, logx.Error(err)
	}
	if has == false {
		return nil, nil
	}
	return m, nil
}

func (qrcodeDb *QrcodeDb) FindQrcodeForAllowUse() (m []*model.Qrcode, total int64, err error) {
	total, err = qrcodeDb.Db.Where("state =?", enum.QrcodeSateAllowUse).FindAndCount(&m)
	return
}

func (qrcodeDb *QrcodeDb) BatchAddQrcode(data []*model.Qrcode) (int64, error) {
	affected, err := qrcodeDb.Db.Insert(data)
	if err != nil {
		return 0, err
	}
	return affected, nil
}

func (qrcodeDb *QrcodeDb) BatchUpdateQrcodeBySession(session *xorm.Session, ids []int, state int32) (int64, error) {
	m := new(model.Qrcode)
	m.State = state
	affected, err := session.In("id", ids).Cols("state").Update(m)
	if err != nil {
		return 0, err
	}
	return affected, nil
}

func (qrcodeDb *QrcodeDb) BatchUpdateQrcode(m *model.Qrcode, columns ...string) (int64, error) {
	affected, err := qrcodeDb.Db.Where("id =?", m.Id).Cols(columns...).Update(m)
	if err != nil {
		return 0, err
	}
	return affected, nil
}