IOT/SERVER/IotAdmin/app/iot/models/device.go

package models

import (
	"IotAdmin/common/models"
	"IotAdmin/core/logger"
	"IotAdmin/iot/constant"
	iotStruct "IotAdmin/iot/struct"
	"database/sql"
	"strings"

	"gorm.io/gorm"
)

// IotDevice 设备实体
type IotDevice struct {
	models.Model
	ParentId     int                       `json:"parentId" gorm:"rel(fk);type:bigint(20);comment:父ID"`
	GroupId      int                       `json:"groupId" gorm:"type:bigint(20);comment:分组ID"`
	Sn           string                    `json:"sn" gorm:"type:varchar(50);comment:设备SN"`
	Name         string                    `json:"name" gorm:"type:varchar(50);comment:设备名称"`
	Type         int                       `json:"type" gorm:"type:bigint(20);comment:设备类型 1：网关 2：表计"`
	Mode         int                       `json:"mode" gorm:"type:bigint(20);comment:设备模式 1：下发指令查询 2：表计主动上报"`
	Cycle        int                       `json:"cycle" gorm:"type:bigint(20);comment:上报周期"`
	Dsn          string                    `json:"dsn" gorm:"type:text;comment:设备Dsn"`
	Description  string                    `json:"description" gorm:"type:varchar(255);comment:设备描述"`
	Protocol     string                    `json:"protocol" gorm:"type:varchar(50);comment:表计协议"`
	Address      int                       `json:"address" gorm:"type:bigint(20);comment:表计地址"`
	BmYz         string                    `json:"bmYz" gorm:"type:text;comment:编码因子"`
	OtherConfig  string                    `json:"otherConfig" gorm:"type:text;comment:其他配置"`
	OnlineStatus int                       `json:"onlineStatus" gorm:"type:tinyint(1);comment:在线状态"`
	TimeOnline   sql.NullTime              `json:"timeOnline" gorm:"type:datetime;comment:上线时间"`
	TimeOffline  sql.NullTime              `json:"timeOffline" gorm:"type:datetime;comment:离线时间"`
	Group        *IotGroup                 `json:"-"`
	GroupName    string                    `json:"groupName" gorm:"-"`
	ReportConfig *[]iotStruct.ReportConfig `json:"reportConfig" gorm:"-"`
	Last         *IotDevice                `json:"-" gorm:"-"`
	models.ControlBy
	models.ModelTime
}

func (*IotDevice) TableName() string {
	return "iot_device"
}

func (e *IotDevice) Generate() models.ActiveRecord {
	o := *e
	return &o
}

func (e *IotDevice) GetId() interface{} {
	return e.Id
}

func (e *IotDevice) BeforeCreate(_ *gorm.DB) error {
	var err error
	e.OnlineStatus = constant.IotDeviceOffline
	return err
}

//
//func (e *IotDevice) BeforeUpdate(_ *gorm.DB) error {
//	var err error
//
//	return err
//}

func (e *IotDevice) AfterFind(_ *gorm.DB) error {
	if e.Group != nil {
		e.GroupName = e.Group.Name
	}
	if e.Type == constant.IotDeviceTypeGateway || e.Dsn == "" {
		return nil
	}
	configs := make([]iotStruct.ReportConfig, 0)
	arr := strings.Split(e.Dsn, constant.DsnSplitString)
	bmYzMap, err := (&iotStruct.BmYz{}).BuildBmYzArray(e.BmYz)
	if err != nil {
		logger.Error("BuildBmYzArray error:", err)
		return err
	}

	for _, v := range arr {
		cfg := iotStruct.ReportConfig{}
		arr := strings.Split(v, constant.DsnChildSplitString)
		if len(arr) < 4 {
			continue
		}
		cfg.Host = arr[0]
		cfg.Protocol = arr[1]
		cfg.ST = arr[2]
		cfg.MN = arr[3]
		if len(arr) == 6 {
			cfg.User = arr[4]
			cfg.Pwd = arr[5]
		}
		bmYz := (*bmYzMap)[cfg.Protocol]
		cfg.BmYz = &bmYz
		configs = append(configs, cfg)
	}
	e.ReportConfig = &configs

	return nil
}

func (e *IotDevice) ToDtuConfig(children *[]IotDevice) *iotStruct.DtuConfig {
	if len(*children) <= 0 {
		return nil
	}
	slaveConfigs := make([]iotStruct.SlaveConfig, 0)
	dtuConfig := &iotStruct.DtuConfig{
		Enable:      true,
		Sn:          e.Sn,
		Name:        e.Name,
		Mode:        e.Mode,
		Cycle:       e.Cycle,
		SlaveConfig: &slaveConfigs,
	}
	slaveConfigs = make([]iotStruct.SlaveConfig, 0)
	for _, device := range *children {
		slaveConfig := iotStruct.SlaveConfig{
			No:           device.Sn,
			Addr:         device.Address,
			Protocol:     device.Protocol,
			OtherConfig:  device.OtherConfig,
			ReportConfig: device.ReportConfig,
		}
		slaveConfigs = append(slaveConfigs, slaveConfig)
	}
	dtuConfig.SlaveConfig = &slaveConfigs

	return dtuConfig
}