617 lines
19 KiB
JavaScript
617 lines
19 KiB
JavaScript
const express = require('express');
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const router = express.Router();
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const Rack = require('../models/Rack');
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const Device = require('../models/Device');
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const Room = require('../models/Room');
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const { sequelize } = require('../db');
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const XLSX = require('xlsx');
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const fs = require('fs');
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const path = require('path');
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const { validateBody, validateQuery } = require('../middleware/validation');
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const { createRackSchema, updateRackSchema, queryRackSchema } = require('../validation/rackSchema');
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// 获取所有机柜
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router.get('/', async (req, res) => {
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try {
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// 分页参数
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const page = parseInt(req.query.page) || 1;
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const pageSize = parseInt(req.query.pageSize) || 10;
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const offset = (page - 1) * pageSize;
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// 筛选参数
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const { roomId, status, keyword } = req.query;
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// 构建查询条件
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const where = {};
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if (roomId && roomId !== 'all') {
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where.roomId = roomId;
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}
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if (status && status !== 'all') {
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where.status = status;
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}
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if (keyword) {
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where[require('sequelize').Op.or] = [
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{ rackId: { [require('sequelize').Op.like]: `%${keyword}%` } },
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{ name: { [require('sequelize').Op.like]: `%${keyword}%` } }
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];
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}
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// 获取总记录数（带筛选条件）
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const total = await Rack.count({ where });
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// 获取分页数据 - 先查询机柜基本信息
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const racks = await Rack.findAll({
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where,
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include: [
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{ model: Room, separate: false }
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],
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limit: pageSize,
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offset: offset
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});
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// 单独查询每个机柜的设备信息（避免 JOIN 导致的数据重复问题）
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const rackIds = racks.map(r => r.rackId);
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const devices = await Device.findAll({
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where: { rackId: rackIds },
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attributes: ['deviceId', 'rackId', 'name', 'powerConsumption']
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});
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// 将设备信息关联到对应的机柜
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const deviceMap = {};
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devices.forEach(d => {
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if (!deviceMap[d.rackId]) {
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deviceMap[d.rackId] = [];
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}
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deviceMap[d.rackId].push(d);
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});
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racks.forEach(rack => {
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rack.dataValues.Devices = deviceMap[rack.rackId] || [];
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});
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// 返回带分页信息的响应
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res.json({
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racks,
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total
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});
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} catch (error) {
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res.status(500).json({ error: error.message });
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}
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});
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// 导出机柜导入模板 - 必须放在 /:rackId 路由之前，避免被当作 rackId 参数
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router.get('/import-template', async (req, res) => {
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try {
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// 准备模板数据 - 机柜ID留空表示自动生成
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const templateData = [
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{
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'机柜ID(留空自动生成)': '',
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'机柜名称': '测试机柜1',
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'所属机房名称': '测试机房1',
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'高度(U)': 42,
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'最大功率(W)': 5000,
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'状态': 'active'
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},
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{
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'机柜ID(留空自动生成)': 'RACK001',
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'机柜名称': '测试机柜2',
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'所属机房名称': '测试机房1',
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'高度(U)': 42,
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'最大功率(W)': 3000,
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'状态': 'maintenance'
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}
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];
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// 使用xlsx创建工作簿
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const wb = XLSX.utils.book_new();
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// 将数据转换为工作表
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const ws = XLSX.utils.json_to_sheet(templateData);
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// 设置列宽
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ws['!cols'] = [
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{ wch: 15 },
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{ wch: 20 },
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{ wch: 15 },
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{ wch: 10 },
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{ wch: 15 },
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{ wch: 15 }
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];
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// 添加工作表到工作簿
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XLSX.utils.book_append_sheet(wb, ws, '机柜模板');
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// 生成Excel文件的Buffer
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const excelBuffer = XLSX.write(wb, { type: 'buffer', bookType: 'xlsx' });
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// 设置响应头
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res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
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res.setHeader('Content-Disposition', `attachment; filename*=UTF-8''${encodeURIComponent('机柜导入模板.xlsx')}`);
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// 发送文件
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res.send(excelBuffer);
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} catch (error) {
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console.error('生成导入模板失败:', error);
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res.status(500).json({ error: '生成导入模板失败' });
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}
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});
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// 导出租机柜数据 - 必须放在 /:rackId 路由之前，避免被当作 rackId 参数
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router.get('/export', async (req, res) => {
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try {
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// 获取所有机柜数据（包含机房信息）
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const racks = await Rack.findAll({
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include: [
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{ model: Room, attributes: ['name'] },
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{ model: Device, attributes: ['deviceId', 'name', 'powerConsumption'] }
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],
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order: [['rackId', 'ASC']]
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});
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// 准备导出数据
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const exportData = racks.map(rack => {
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const deviceCount = rack.Devices ? rack.Devices.length : 0;
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const totalPower = rack.Devices ? rack.Devices.reduce((sum, d) => sum + (d.powerConsumption || 0), 0) : 0;
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return {
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'机柜ID': rack.rackId,
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'机柜名称': rack.name,
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'所属机房': rack.Room ? rack.Room.name : '',
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'机柜高度(U)': rack.height,
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'最大功耗(W)': rack.maxPower,
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'当前功耗(W)': rack.currentPower || 0,
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'设备数量': deviceCount,
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'设备总功耗(W)': totalPower,
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'状态': rack.status === 'active' ? '启用' : rack.status === 'maintenance' ? '维护中' : '停用',
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'创建时间': rack.createdAt ? new Date(rack.createdAt).toLocaleString() : ''
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};
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});
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// 创建工作簿
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const wb = XLSX.utils.book_new();
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const ws = XLSX.utils.json_to_sheet(exportData);
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// 设置列宽
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ws['!cols'] = [
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{ wch: 15 }, // 机柜ID
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{ wch: 20 }, // 机柜名称
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{ wch: 20 }, // 所属机房
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{ wch: 12 }, // 机柜高度
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{ wch: 15 }, // 最大功耗
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{ wch: 15 }, // 当前功耗
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{ wch: 12 }, // 设备数量
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{ wch: 15 }, // 设备总功耗
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{ wch: 10 }, // 状态
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{ wch: 20 } // 创建时间
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];
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XLSX.utils.book_append_sheet(wb, ws, '机柜列表');
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// 生成文件名
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const timestamp = new Date().toISOString().replace(/[:.]/g, '-').slice(0, 19);
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const fileName = `机柜导出_${timestamp}.xlsx`;
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// 确保temp目录存在
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const tempDir = path.join(__dirname, '../temp');
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if (!fs.existsSync(tempDir)) {
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fs.mkdirSync(tempDir, { recursive: true });
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}
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const filePath = path.join(tempDir, fileName);
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// 写入文件
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XLSX.writeFile(wb, filePath);
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// 发送文件
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res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
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res.setHeader('Content-Disposition', `attachment; filename*=UTF-8''${encodeURIComponent(fileName)}`);
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const fileStream = fs.createReadStream(filePath);
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fileStream.pipe(res);
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// 发送完成后删除临时文件
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fileStream.on('close', () => {
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if (fs.existsSync(filePath)) {
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fs.unlinkSync(filePath);
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}
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});
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fileStream.on('error', (err) => {
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console.error('文件流错误:', err);
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if (fs.existsSync(filePath)) {
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fs.unlinkSync(filePath);
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}
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});
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} catch (error) {
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console.error('导出租机柜数据失败:', error);
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res.status(500).json({
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success: false,
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message: '导出失败',
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error: error.message
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});
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}
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});
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// 获取单个机柜
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router.get('/:rackId', async (req, res) => {
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try {
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const rack = await Rack.findByPk(req.params.rackId, {
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include: [
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{ model: Room, separate: false },
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{ model: Device, separate: false }
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],
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subQuery: false // 避免子查询导致的性能问题
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});
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if (!rack) {
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return res.status(404).json({ error: '机柜不存在' });
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}
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res.json(rack);
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} catch (error) {
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res.status(500).json({ error: error.message });
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}
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});
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// 生成机柜ID的辅助函数
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async function generateRackId() {
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// 获取当前最大的机柜ID序号
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const racks = await Rack.findAll({
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where: {
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rackId: {
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[require('sequelize').Op.like]: 'RACK%'
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}
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}
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});
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let maxNumber = 0;
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racks.forEach(rack => {
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const match = rack.rackId.match(/^RACK(\d+)$/);
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if (match) {
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const num = parseInt(match[1], 10);
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if (num > maxNumber) {
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maxNumber = num;
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}
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}
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});
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// 生成新的机柜ID，序号+1，至少3位数字
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const newNumber = maxNumber + 1;
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return `RACK${String(newNumber).padStart(3, '0')}`;
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}
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// 创建机柜
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router.post('/', validateBody(createRackSchema), async (req, res) => {
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try {
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const rackData = { ...req.body };
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// 如果没有提供rackId或为空，则自动生成
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if (!rackData.rackId || rackData.rackId.trim() === '') {
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rackData.rackId = await generateRackId();
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}
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const rack = await Rack.create(rackData);
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res.status(201).json(rack);
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} catch (error) {
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res.status(400).json({ error: error.message });
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}
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});
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// 更新机柜
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router.put('/:rackId', validateBody(updateRackSchema), async (req, res) => {
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try {
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const [updated] = await Rack.update(req.body, {
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where: { rackId: req.params.rackId }
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});
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if (updated) {
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const updatedRack = await Rack.findByPk(req.params.rackId, {
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include: [
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{ model: Room, separate: false },
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{ model: Device, separate: false }
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],
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subQuery: false // 避免子查询导致的性能问题
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});
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res.json(updatedRack);
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} else {
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res.status(404).json({ error: '机柜不存在' });
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}
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} catch (error) {
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res.status(400).json({ error: error.message });
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}
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});
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// 删除机柜
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router.delete('/:rackId', async (req, res) => {
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try {
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// 检查是否有设备关联
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const devices = await Device.findAll({ where: { rackId: req.params.rackId } });
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if (devices.length > 0) {
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return res.status(400).json({ error: '该机柜下有设备，无法删除' });
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}
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const deleted = await Rack.destroy({
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where: { rackId: req.params.rackId }
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});
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if (deleted) {
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res.status(204).json();
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} else {
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res.status(404).json({ error: '机柜不存在' });
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}
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} catch (error) {
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res.status(500).json({ error: error.message });
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}
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});
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// 导入机柜数据 - 优化版：使用事务+批量插入
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router.post('/import', async (req, res) => {
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const t = await sequelize.transaction();
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try {
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// 检查是否有上传文件
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if (!req.files || !req.files.file) {
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await t.rollback();
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return res.status(400).json({
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success: false,
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message: '没有上传文件',
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error: '没有找到有效的上传文件，请选择一个Excel文件后重试'
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});
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}
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const file = req.files.file;
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// 确保temp目录存在
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const tempDir = path.join(__dirname, '../temp');
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if (!fs.existsSync(tempDir)) {
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fs.mkdirSync(tempDir, { recursive: true });
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}
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// 保存临时文件
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const tempFilePath = path.join(tempDir, `${Date.now()}_${file.name}`);
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try {
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await file.mv(tempFilePath);
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} catch (saveError) {
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await t.rollback();
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return res.status(500).json({
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success: false,
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message: '文件保存失败',
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error: `无法保存上传的文件: ${saveError.message}`
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});
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}
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try {
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// 读取Excel文件
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let workbook;
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try {
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workbook = XLSX.readFile(tempFilePath);
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} catch (readError) {
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await t.rollback();
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return res.status(400).json({
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success: false,
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message: '文件解析失败',
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error: `无法解析Excel文件: ${readError.message}`
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});
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}
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// 获取第一个工作表
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if (!workbook.SheetNames.length) {
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await t.rollback();
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return res.status(400).json({
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success: false,
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message: '文件格式错误',
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error: 'Excel文件中没有找到工作表'
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});
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}
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const worksheet = workbook.Sheets[workbook.SheetNames[0]];
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// 读取第一行作为列头
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const headerRow = XLSX.utils.sheet_to_json(worksheet, { header: 1, range: 0, limit: 1 })[0] || [];
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// 定义列名映射（支持导入模板格式和导出文件格式）
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const columnMapping = {
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rackId: ['机柜ID(留空自动生成)', '机柜ID'],
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name: ['机柜名称'],
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roomName: ['所属机房名称', '所属机房'],
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height: ['高度(U)', '机柜高度(U)'],
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maxPower: ['最大功率(W)', '最大功耗(W)'],
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status: ['状态']
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};
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// 根据列头自动检测列索引映射
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const columnIndexMap = {};
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Object.keys(columnMapping).forEach(field => {
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const possibleNames = columnMapping[field];
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const index = headerRow.findIndex(h => possibleNames.includes(String(h).trim()));
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if (index !== -1) {
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columnIndexMap[field] = index;
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}
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});
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// 检查必需的列是否存在
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const requiredColumns = ['name', 'roomName', 'height', 'maxPower', 'status'];
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const missingColumns = requiredColumns.filter(col => columnIndexMap[col] === undefined);
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if (missingColumns.length > 0) {
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await t.rollback();
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return res.status(400).json({
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success: false,
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message: 'Excel列名格式不正确',
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error: `缺少必需的列: ${missingColumns.join(', ')}，请使用系统导出的文件或下载导入模板`
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});
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}
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// 转换为JSON格式
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const rawData = XLSX.utils.sheet_to_json(worksheet, {
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header: headerRow.map((h, i) => `col_${i}`),
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range: 1,
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blankrows: false
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});
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const jsonData = rawData.map(row => {
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const item = {};
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Object.keys(columnIndexMap).forEach(field => {
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const colIndex = columnIndexMap[field];
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item[field] = row[`col_${colIndex}`];
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});
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return item;
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});
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if (jsonData.length === 0) {
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await t.rollback();
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return res.status(400).json({
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success: false,
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message: '没有找到有效数据',
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error: 'Excel文件中没有找到可导入的数据行'
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});
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}
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// 状态值转换映射
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const statusMapping = {
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'启用': 'active', '在用': 'active', '停用': 'inactive',
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'禁用': 'inactive', '维护中': 'maintenance',
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'active': 'active', 'inactive': 'inactive', 'maintenance': 'maintenance'
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};
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const validStatuses = ['active', 'maintenance', 'inactive'];
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const validationResults = [];
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// 【优化1】批量查询机房信息（单次查询）
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const allRooms = await Room.findAll({ transaction: t });
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const roomNameToIdMap = new Map(allRooms.map(room => [room.name, room.roomId]));
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const validRoomNames = new Set(roomNameToIdMap.keys());
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// 【优化2】批量查询现有最大机柜ID（单次查询）
|
|
const maxRackResult = await Rack.findOne({
|
|
attributes: [[sequelize.fn('MAX', sequelize.cast(sequelize.fn('SUBSTR', sequelize.col('rackId'), 5), 'INTEGER')), 'maxNum']],
|
|
where: {
|
|
rackId: {
|
|
[require('sequelize').Op.like]: 'RACK%'
|
|
}
|
|
},
|
|
transaction: t
|
|
});
|
|
let maxNumber = maxRackResult?.get('maxNum') || 0;
|
|
|
|
// 处理数据
|
|
const processedData = jsonData.map((item, index) => {
|
|
const rowNumber = index + 2;
|
|
const rawStatus = String(item.status || '').trim();
|
|
const normalizedStatus = statusMapping[rawStatus] || rawStatus.toLowerCase();
|
|
const rawRackId = item.rackId ? String(item.rackId).trim() : '';
|
|
|
|
if (!rawRackId || rawRackId === '') {
|
|
maxNumber++;
|
|
return {
|
|
...item,
|
|
rackId: `RACK${String(maxNumber).padStart(3, '0')}`,
|
|
status: normalizedStatus,
|
|
rowNumber
|
|
};
|
|
}
|
|
|
|
return {
|
|
...item,
|
|
rackId: rawRackId,
|
|
status: normalizedStatus,
|
|
rowNumber
|
|
};
|
|
});
|
|
|
|
// 验证数据
|
|
processedData.forEach((item) => {
|
|
const errors = [];
|
|
|
|
if (!/^RACK\d+$/.test(item.rackId)) {
|
|
errors.push('机柜ID格式应为RACK+数字，如RACK001');
|
|
}
|
|
if (!item.name || String(item.name).trim() === '') {
|
|
errors.push('机柜名称不能为空');
|
|
}
|
|
if (!item.roomName || String(item.roomName).trim() === '') {
|
|
errors.push('所属机房名称不能为空');
|
|
} else if (!validRoomNames.has(String(item.roomName).trim())) {
|
|
errors.push(`所属机房名称不存在: ${item.roomName}`);
|
|
}
|
|
if (typeof item.height !== 'number' || item.height <= 0) {
|
|
errors.push('高度必须是大于0的数字');
|
|
}
|
|
if (typeof item.maxPower !== 'number' || item.maxPower < 0) {
|
|
errors.push('最大功率必须是大于等于0的数字');
|
|
}
|
|
if (!item.status || !validStatuses.includes(item.status)) {
|
|
errors.push(`状态必须是以下值之一: ${validStatuses.join(', ')}`);
|
|
}
|
|
|
|
if (errors.length > 0) {
|
|
validationResults.push({ row: item.rowNumber, data: item, errors });
|
|
}
|
|
});
|
|
|
|
if (validationResults.length > 0) {
|
|
await t.rollback();
|
|
return res.status(400).json({
|
|
success: false,
|
|
message: '数据验证失败',
|
|
error: `${validationResults.length} 行数据格式错误`,
|
|
details: validationResults
|
|
});
|
|
}
|
|
|
|
// 【优化3】批量查询已存在的机柜ID（单次查询）
|
|
const existingRacks = await Rack.findAll({
|
|
where: {
|
|
rackId: processedData.map(item => item.rackId)
|
|
},
|
|
transaction: t
|
|
});
|
|
|
|
const existingIds = new Set(existingRacks.map(rack => rack.rackId));
|
|
const newData = processedData.filter(item => !existingIds.has(item.rackId));
|
|
const duplicateCount = processedData.length - newData.length;
|
|
|
|
// 【优化4】批量插入数据
|
|
let createdCount = 0;
|
|
if (newData.length > 0) {
|
|
const dataWithRoomId = newData.map(item => ({
|
|
rackId: item.rackId,
|
|
name: item.name,
|
|
height: item.height,
|
|
maxPower: item.maxPower,
|
|
status: item.status,
|
|
roomId: roomNameToIdMap.get(item.roomName.trim()),
|
|
currentPower: 0
|
|
}));
|
|
|
|
const result = await Rack.bulkCreate(dataWithRoomId, {
|
|
transaction: t,
|
|
ignoreDuplicates: true
|
|
});
|
|
createdCount = result.length;
|
|
}
|
|
|
|
// 提交事务
|
|
await t.commit();
|
|
|
|
res.status(200).json({
|
|
success: true,
|
|
message: '机柜导入完成',
|
|
imported: createdCount,
|
|
duplicates: duplicateCount,
|
|
total: jsonData.length
|
|
});
|
|
} finally {
|
|
// 删除临时文件
|
|
if (fs.existsSync(tempFilePath)) {
|
|
fs.unlinkSync(tempFilePath);
|
|
}
|
|
}
|
|
} catch (error) {
|
|
await t.rollback();
|
|
res.status(500).json({
|
|
success: false,
|
|
message: '服务器内部错误',
|
|
error: `导入过程中发生未知错误: ${error.message}`
|
|
});
|
|
}
|
|
});
|
|
|
|
module.exports = router; |