smart_canteen/app/db/db_device.go

package db

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

type Device struct {
	Db       *xorm.Engine `json:"db"`
	DeviceSn string       `json:"device_sn"`
}

func (deviceOrdDb *Device) Set(deviceSn string) { // set方法
	deviceOrdDb.Db = Db
	deviceOrdDb.DeviceSn = deviceSn
}

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

func (deviceOrdDb *Device) GetDevice() (m *model.Device, err error) {
	m = new(model.Device)
	has, err := deviceOrdDb.Db.Where("device_sn =?", deviceOrdDb.DeviceSn).Get(m)
	if err != nil {
		return nil, logx.Error(err)
	}
	if has == false {
		return nil, nil
	}
	return m, nil
}

func (deviceOrdDb *Device) DeviceInsert(m *model.Device) (int, error) {
	_, err := deviceOrdDb.Db.InsertOne(m)
	if err != nil {
		return 0, err
	}
	return m.Id, nil
}

func (deviceOrdDb *Device) DeviceInsertBySession(session *xorm.Session, m *model.Device) (int, error) {
	_, err := session.InsertOne(m)
	if err != nil {
		return 0, err
	}
	return m.Id, nil
}

func (deviceOrdDb *Device) BatchAddDevices(mm []*model.Device) (int64, error) {
	affected, err := deviceOrdDb.Db.Insert(mm)
	if err != nil {
		return 0, err
	}
	return affected, nil
}

func (deviceOrdDb *Device) DeviceDeleteById(id interface{}) (int64, error) {
	if reflect.TypeOf(id).Kind() == reflect.Slice {
		return Db.In("id", id).Delete(model.Device{})
	} else {
		return Db.Where("id = ?", id).Delete(model.Device{})
	}
}

func (deviceOrdDb *Device) DeviceDelete() (int64, error) {
	return Db.Where("device_sn = ?", deviceOrdDb.DeviceSn).Delete(model.Device{})
}

func (deviceOrdDb *Device) DeviceUpdate(m *model.Device, forceColums ...string) (int64, error) {
	var (
		affected int64
		err      error
	)
	if forceColums != nil {
		affected, err = deviceOrdDb.Db.Where("device_sn=?", deviceOrdDb.DeviceSn).Cols(forceColums...).Update(m)
	} else {
		affected, err = deviceOrdDb.Db.Where("device_sn=?", deviceOrdDb.DeviceSn).Update(m)
	}
	if err != nil {
		return 0, err
	}
	return affected, nil
}

type DeviceWithEnterprise struct {
	model.Device     `xorm:"extends"`
	model.Enterprise `xorm:"extends"`
	model.Merchant   `xorm:"extends"`
}

func (DeviceWithEnterprise) TableName() string {
	return "device"
}