ColdVerify_server/models/Device/Device.go

package Device

import (
	"bzd_server/conf"
	"bzd_server/logs"
	orm2 "github.com/beego/beego/v2/client/orm"

	"encoding/json"
	"fmt"

	"github.com/astaxie/beego/cache"
	_ "github.com/astaxie/beego/cache/redis"
	"github.com/beego/beego/v2/adapter/orm"
	_ "github.com/go-sql-driver/mysql"
	"time"
)

// 模板
type Device struct {
	Id int `orm:"column(ID);size(11);auto;pk"`

	T_sn                 string `orm:"size(256);null"` // 设备序列号 KF开头，环境监测主机。 YD开头，温途监测主机

	T_id   int    `orm:"size(256);null"`        // 标题
	T_t    float32   `orm:"size(10);null"`         // 温度
	T_rh   float32   `orm:"size(10);null"`         // 湿度
	T_time time.Time `orm:"type(timestamp);null;"` // 采集时间

	T_MSISDN             string `orm:"size(256);null"` // 物联网卡
	T_version            int    `orm:"size(2);1"`      // 版本
	T_signal             int    `orm:"size(2);1"`      // 信号强度
	T_electric           int    `orm:"size(2);1"`      // 电量百分比
	T_up_time_interval   int    `orm:"size(2);1"`      //上传时间间隔
	T_note_time_interval int    `orm:"size(2);1"`      //记录时间间隔
	T_note_file_num      int    `orm:"size(2);1"`      //记录文件数量


	int `orm:"size(2);1"` // 电量百分比

	T_State    int       `orm:"size(2);1"`                                             // 0 删除   1 正常
	CreateTime time.Time `orm:"column(create_time);type(timestamp);null;auto_now_add"` //auto_now_add 第一次保存时才设置时间
	UpdateTime time.Time `orm:"column(update_time);type(timestamp);null;auto_now"`     //auto_now 每次 model 保存时都会对时间自动更新
}

func (t *Device) TableName() string {
	return "Device" // 数据库名称   // ************** 替换 FormulaList **************
}

var redisCache_Device cache.Cache

func init() {

	//注册模型
	orm.RegisterModel(new(Device))

	config := fmt.Sprintf(`{"key":"%s","conn":"%s","dbNum":"%s","password":"%s"}`,
		"redis_"+"Device", conf.Redis_address, conf.Redis_dbNum, conf.Redis_password)
	logs.Println(config)
	var err error
	redisCache_Device, err = cache.NewCache("redis", config)
	if err != nil || redisCache_Device == nil {
		errMsg := "failed to init redis"
		logs.Println(errMsg, err)

	}
}

// ---------------- Redis -------------------
//Redis_Set(m.T_sn,m) // Redis 更新缓存
func Redis_Device_Set(key string, r Device) (err error) {
	//json序列化
	str, err := json.Marshal(r)
	if err != nil {
		logs.Println(err)
		return
	}
	err = redisCache_Device.Put(key, str, 24*time.Hour)
	if err != nil {
		logs.Println("set key:", key, ",value:", str, err)
	}
	return
}

//if r,is :=Redis_Get(T_sn);is{
//return r,nil
//}
func Redis_Device_Get(key string) (r Device, is bool) {
	if redisCache_Device.IsExist(key) {
		logs.Println("找到key:", key)
		v := redisCache_Device.Get(key)
		json.Unmarshal(v.([]byte), &r)
		return r, true
	}
	logs.Println("没有 找到key:", key)
	return Device{}, false
}
func Redis_Device_DelK(key string) (err error) {
	err = redisCache_Device.Delete(key)
	return
}

// ---------------- 特殊方法 -------------------

// 获取 ById
func Read_Device_ById(id int) (r Device, is bool) {
	o := orm.NewOrm()
	r = Device{Id: id}
	err := o.Read(&r) // o.Read(&r,"Tokey") 如果不是 主键 就得指定字段名
	if err != nil {
		logs.Println(err)
		return r, false
	}
	return r, true
}

// 获取 By
func Read_Device(T_sn string) (r Device, is bool) {
	if r, is = Redis_Device_Get(T_sn); is == true {
		return r, true
	}

	o := orm.NewOrm()
	qs := o.QueryTable(new(Device))
	err := qs.Filter("T_sn", T_sn).One(&r)
	if err != nil {
		return r, false
	}

	Redis_Device_Set(T_sn, r)
	return r, true
}

// 添加
func Add_Device(r Device) (id int64, is bool) {
	o := orm.NewOrm()

	id, err := o.Insert(&r)
	if err != nil {
		logs.Println(err)
		return 0, false
	}
	CREATE_DeviceData(r.T_sn)
	Redis_Device_Set(r.T_sn, r)
	return id, true
}

// 删除
func Delete_Device(v Device) bool {
	o := orm.NewOrm()
	if num, err := o.Delete(&v); err == nil {
		logs.Println("Number of records deleted in database:", num)
	} else {
		return false
	}

	Redis_Device_DelK(v.T_sn)
	return true
}

// 删除
func Delete_Device_(v Device) bool {
	o := orm.NewOrm()
	v.T_State = 0
	if num, err := o.Update(&v, "T_State"); err == nil {
		fmt.Println("Number of records updated in database:", num)
	} else {
		return false
	}

	Redis_Device_DelK(v.T_sn)
	return true
}

// 修改
func Update_Device(m Device, cols ...string) bool {
	o := orm.NewOrm()
	if num, err := o.Update(&m, cols...); err == nil {
		fmt.Println("Number of records updated in database:", num)
		Redis_Device_Set(m.T_sn, m)
		return true
	}
	return false
}

// 获取列表
func Read_Device_List(T_sn string, T_MSISDN string, page int, page_z int) (r []Device, cnt int64) {

	o := orm.NewOrm()
	// 也可以直接使用 Model 结构体作为表名

	qs := o.QueryTable(new(Device))
	var offset int64
	if page <= 1 {
		offset = 0
	} else {
		offset = int64((page - 1) * page_z)
	}
	cond := orm.NewCondition()
	cond1 := cond.And("T_MSISDN__icontains", T_MSISDN).And("T_sn__icontains", T_sn).And("T_State", 1) // .AndNot("status__in", 1).Or("profile__age__gt", 2000)

	qs.Limit(page_z, offset).SetCond((*orm2.Condition)(cond1)).OrderBy("-Id").All(&r)
	cnt, _ = qs.SetCond((*orm2.Condition)(cond1)).Count()
	return r, cnt
}