147 lines
3.1 KiB
JavaScript
147 lines
3.1 KiB
JavaScript
/**
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* Alert 模型定义
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* @file Alert.js
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* @description 定义预警模型，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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* 预警模型
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* @typedef {Object} Alert
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* @property {number} id - 预警唯一标识
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* @property {string} type - 预警类型
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* @property {string} level - 预警级别
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* @property {string} message - 预警消息
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* @property {string} status - 预警状态
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* @property {number} farmId - 所属养殖场ID
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* @property {number} deviceId - 关联设备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 Alert extends BaseModel {
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/**
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* 获取预警所属的养殖场
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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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* 获取预警关联的设备
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* @returns {Promise<Object>} 设备信息
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*/
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async getDevice() {
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return await this.getDevice();
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}
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/**
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* 更新预警状态
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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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if (status === 'resolved') {
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this.resolved_at = new Date();
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}
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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('更新预警状态失败:', error);
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return false;
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}
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}
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/**
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* 解决预警
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* @param {Number} userId 解决人ID
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* @param {String} notes 解决说明
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* @returns {Promise<Boolean>} 解决结果
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*/
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async resolve(userId, notes) {
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try {
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this.status = 'resolved';
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this.resolved_at = new Date();
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this.resolved_by = userId;
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this.resolution_notes = notes;
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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('解决预警失败:', 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Alert模型
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Alert.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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type: {
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type: DataTypes.STRING(50),
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allowNull: false
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},
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level: {
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type: DataTypes.ENUM('low', 'medium', 'high', 'critical'),
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defaultValue: 'medium'
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},
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message: {
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type: DataTypes.TEXT,
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allowNull: false
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},
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status: {
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type: DataTypes.ENUM('active', 'acknowledged', 'resolved'),
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defaultValue: 'active'
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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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device_id: {
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type: DataTypes.INTEGER,
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allowNull: true,
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references: {
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model: 'devices',
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key: 'id'
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}
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},
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resolved_at: {
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type: DataTypes.DATE,
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allowNull: true
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},
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resolved_by: {
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type: DataTypes.INTEGER,
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allowNull: true
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},
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resolution_notes: {
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type: DataTypes.TEXT,
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allowNull: true
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}
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}, {
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sequelize,
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tableName: 'alerts',
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modelName: 'Alert',
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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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* 导出预警模型
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* @exports Alert
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*/
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module.exports = Alert; |