Yunlot/models/Product/ProductRelay.go

package Product

import (
	"Yunlot/conf"
	"Yunlot/logs"
	"encoding/json"
	"fmt"
	"github.com/astaxie/beego/cache"
	_ "github.com/astaxie/beego/cache/redis"
	"github.com/beego/beego/v2/adapter/orm"
	orm2 "github.com/beego/beego/v2/client/orm"
	_ "github.com/go-sql-driver/mysql"
	"time"
)

// 消息转发
type ProductRelay struct {
	Id            int    `orm:"column(ID);size(11);auto;pk" json:"ID"`
	T_ProductID string `orm:"size(8);index" json:"T_ProductID" form:"T_ProductID"` // 产品型号 随机生成（8位）

	T_name string `orm:"size(256);" json:"T_name" form:"T_name"`         // 名称
	T_rtab string `orm:"size(32);index" json:"T_rtab" form:"T_rtab"`     //转发 TAB 标识 拼接：AAAA.BBBB.   对象后面加点
	T_mode int    `orm:"size(1);default(0)" json:"T_mode" form:"T_mode"` //接入方式  0：Mqtt  1：http  2:tcp  3:CoAP  4:websocket
	T_pub  string `orm:"size(256);" json:"T_pub" form:"T_pub"`           //发布号

}

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

var redis_ProductRelay cache.Cache

func init() {
	//注册模型
	orm.RegisterModel(new(ProductRelay))

	config := fmt.Sprintf(`{"key":"%s","conn":"%s","dbNum":"%s","password":"%s"}`,
		"redis_ProductRelay", conf.Redis_address, conf.Redis_dbNum, conf.Redis_password)
	var err error
	redis_ProductRelay, err = cache.NewCache("redis", config)
	if err != nil || redis_ProductRelay == nil {
		logs.Println(config)
		panic(any(err))
	}
}

// ---------------- Redis -------------------
func (t *ProductRelay) redis_Set() (err error) {
	//json序列化
	str, err := json.Marshal(t)
	if err != nil {
		logs.PrintlnError("Redis_Set", err)
		return
	}

	err = redis_ProductRelay.Put(t.T_ProductID+"-"+t.T_rtab, str, 24*time.Hour)
	if err != nil {
		logs.Println("set key:", t.T_ProductID+"-"+t.T_rtab, ",value:", str, err)
	}
	return
}
func (t *ProductRelay) redis_Get(key string) (is bool) {
	if redis_ProductRelay.IsExist(key) {
		//println("找到key:",key)
		v := redis_ProductRelay.Get(key)
		if v == nil {
			return false
		}
		json.Unmarshal(v.([]byte), t)
		return true
	}
	//println("没有 找到key:",key)
	return false
}
func (t *ProductRelay) redis_DelK() (err error) {
	err = redis_ProductRelay.Delete(t.T_ProductID)
	return
}

// ---------------- 方法 -------------------

// 添加
func (t *ProductRelay) Add() (is bool) {
	o := orm.NewOrm()

	id, err := o.Insert(t)
	if err != nil {
		return false
	}
	println(id)
	t.redis_Set()
	return true
}

// 获取
func (t *ProductRelay) Read() (bool bool) {
	if t.redis_Get(t.T_ProductID+"-"+t.T_rtab) {
		return true
	}
	o := orm.NewOrm()
	err := o.Read(&t) // o.Read(&r,"Tokey") 如果不是 主键 就得指定字段名
	if err != nil {
		return false
	}
	t.redis_Set() // Redis 更新缓存
	return true
}

// 修改
func (t *ProductRelay) Update(cols ...string) bool {
	o := orm.NewOrm()
	if num, err := o.Update(t, cols...); err == nil {
		logs.Println("Number of records updated in database:", num)
		t.redis_Set() // Redis 更新缓存
		return true
	}
	return false
}

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

	t.redis_DelK()
	return true
}

// 获取列表
func (t *ProductRelay) Lists(PageIndex int, PageSize int) (r []ProductRelay, Total int64) {

	o := orm.NewOrm()

	// 也可以直接使用 Model 结构体作为表名
	qs := o.QueryTable(new(ProductRelay))
	var offset int64
	if PageIndex <= 1 {
		offset = 0
	} else {
		offset = int64((PageIndex - 1) * PageSize)
	}

	// 筛选参数
	cond := orm.NewCondition()
	if len(t.T_ProductID) > 0 {
		cond = cond.And("T_ProductID", t.T_ProductID) // .AndNot("status__in", 1).Or("profile__age__gt", 2000)
	}

	// 执行
	qs.Limit(PageSize, offset).SetCond((*orm2.Condition)(cond)).All(&r)
	Total, _ = qs.SetCond((*orm2.Condition)(cond)).Count()

	return r, Total
}