123 lines
2.5 KiB
JavaScript
123 lines
2.5 KiB
JavaScript
/**
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* Device 模型定义
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* @file Device.js
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* @description 定义设备模型，用于数据库操作
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*/
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const { DataTypes } = require('sequelize');
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const BaseModel = require('./BaseModel');
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const { sequelize } = require('../config/database-simple');
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/**
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* 设备模型
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* @typedef {Object} Device
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* @property {number} id - 设备唯一标识
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* @property {string} type - 设备类型
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* @property {string} status - 设备状态
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* @property {number} farmId - 所属养殖场ID
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* @property {Date} created_at - 创建时间
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* @property {Date} updated_at - 更新时间
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*/
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class Device extends BaseModel {
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/**
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* 获取设备所属的养殖场
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* @returns {Promise<Object>} 养殖场信息
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*/
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async getFarm() {
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return await this.getFarm();
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}
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/**
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* 获取设备的所有预警
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* @returns {Promise<Array>} 预警列表
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*/
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async getAlerts() {
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return await this.getAlerts();
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}
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/**
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* 更新设备状态
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* @param {String} status 新状态
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* @returns {Promise<Boolean>} 更新结果
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*/
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async updateStatus(status) {
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try {
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this.status = status;
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await this.save();
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return true;
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} catch (error) {
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console.error('更新设备状态失败:', error);
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return false;
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}
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}
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/**
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* 记录设备维护
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* @returns {Promise<Boolean>} 记录结果
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*/
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async recordMaintenance() {
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try {
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this.last_maintenance = new Date();
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this.status = 'online';
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await this.save();
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return true;
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} catch (error) {
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console.error('记录设备维护失败:', error);
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return false;
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}
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}
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}
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// 初始化Device模型
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Device.init({
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id: {
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type: DataTypes.INTEGER,
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primaryKey: true,
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autoIncrement: true
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},
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name: {
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type: DataTypes.STRING(100),
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allowNull: false
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},
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type: {
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type: DataTypes.STRING(50),
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allowNull: false
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},
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status: {
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type: DataTypes.ENUM('online', 'offline', 'maintenance'),
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defaultValue: 'offline'
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},
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farm_id: {
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type: DataTypes.INTEGER,
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allowNull: false,
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references: {
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model: 'farms',
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key: 'id'
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}
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},
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last_maintenance: {
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type: DataTypes.DATE,
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allowNull: true
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},
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installation_date: {
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type: DataTypes.DATE,
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allowNull: true
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},
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metrics: {
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type: DataTypes.JSON,
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allowNull: true,
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defaultValue: {}
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}
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}, {
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sequelize,
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tableName: 'devices',
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modelName: 'Device',
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timestamps: true,
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createdAt: 'created_at',
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updatedAt: 'updated_at'
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});
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/**
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* 导出设备模型
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* @exports Device
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*/
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module.exports = Device; |