455 lines
13 KiB
JavaScript
455 lines
13 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 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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// 获取总记录数
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const total = await Rack.count();
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// 获取分页数据
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const racks = await Rack.findAll({
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include: [
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{ model: Room },
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{ model: Device }
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],
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limit: pageSize,
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offset: offset
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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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// 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 },
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{ model: Device }
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]
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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 },
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{ model: Device }
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]
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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
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router.post('/import', async (req, res) => {
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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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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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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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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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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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// 转换为JSON格式
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const jsonData = XLSX.utils.sheet_to_json(worksheet, {
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header: ['rackId', 'name', 'roomName', 'height', 'maxPower', 'status'],
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range: 1, // 从第2行开始读取数据
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blankrows: false // 跳过空行
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});
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if (jsonData.length === 0) {
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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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// 验证数据
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const validStatuses = ['active', 'maintenance', 'inactive'];
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const validationResults = [];
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// 获取所有有效的机房信息（名称到ID的映射）
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const allRooms = await Room.findAll();
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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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// 为没有rackId的记录自动生成
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let autoGeneratedIdIndex = 0;
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const processedData = jsonData.map((item, index) => {
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const rowNumber = index + 2;
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// 如果rackId为空，先标记为null，后续统一生成
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if (!item.rackId || item.rackId.trim() === '') {
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return { ...item, rackId: null, rowNumber, _autoGenerate: true };
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}
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return { ...item, rowNumber, _autoGenerate: false };
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});
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// 验证数据
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processedData.forEach((item) => {
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const errors = [];
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// rackId为null表示需要自动生成，跳过验证
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if (item.rackId !== null) {
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// 验证机柜ID格式
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if (!/^RACK\d+$/.test(item.rackId.trim())) {
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errors.push('机柜ID格式应为RACK+数字，如RACK001');
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}
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}
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if (!item.name || item.name.trim() === '') {
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errors.push('机柜名称不能为空');
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}
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if (!item.roomName || item.roomName.trim() === '') {
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errors.push('所属机房名称不能为空');
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} else if (!validRoomNames.has(item.roomName.trim())) {
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errors.push(`所属机房名称不存在: ${item.roomName}`);
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}
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if (typeof item.height !== 'number' || item.height <= 0) {
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errors.push('高度必须是大于0的数字');
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}
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if (typeof item.maxPower !== 'number' || item.maxPower < 0) {
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errors.push('最大功率必须是大于等于0的数字');
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}
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if (!item.status || !validStatuses.includes(item.status)) {
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errors.push(`状态必须是以下值之一: ${validStatuses.join(', ')}`);
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}
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if (errors.length > 0) {
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validationResults.push({
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row: item.rowNumber,
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data: item,
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errors: errors
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});
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}
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});
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if (validationResults.length > 0) {
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return res.status(400).json({
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success: false,
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message: '数据验证失败',
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error: `${validationResults.length} 行数据格式错误`,
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details: validationResults
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});
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}
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// 批量创建机柜
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let createdCount = 0;
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let duplicateCount = 0;
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let autoGeneratedCount = 0;
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try {
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// 获取当前最大的机柜ID序号（用于自动生成）
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const allRacks = 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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allRacks.forEach(rack => {
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const match = rack.rackId.match(/^RACK(\d+)$/);
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if (match) {
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const num = parseInt(match[1], 10);
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if (num > maxNumber) {
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maxNumber = num;
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}
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}
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});
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// 为需要自动生成的记录分配rackId
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const dataWithGeneratedIds = processedData.map(item => {
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if (item._autoGenerate) {
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maxNumber++;
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autoGeneratedCount++;
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return {
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...item,
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rackId: `RACK${String(maxNumber).padStart(3, '0')}`
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};
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}
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return item;
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});
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// 检查重复的机柜ID
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const existingRacks = await Rack.findAll({
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where: {
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rackId: dataWithGeneratedIds.map(item => item.rackId)
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}
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});
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const existingIds = new Set(existingRacks.map(rack => rack.rackId));
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const newData = dataWithGeneratedIds.filter(item => !existingIds.has(item.rackId));
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const duplicateData = dataWithGeneratedIds.filter(item => existingIds.has(item.rackId));
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duplicateCount = duplicateData.length;
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// 将roomName转换为roomId
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const dataWithRoomId = newData.map(item => {
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const trimmedRoomName = item.roomName.trim();
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return {
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rackId: item.rackId,
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name: item.name,
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height: item.height,
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maxPower: item.maxPower,
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status: item.status,
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roomId: roomNameToIdMap.get(trimmedRoomName),
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currentPower: 0
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};
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});
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// 只创建新的机柜
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if (dataWithRoomId.length > 0) {
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const result = await Rack.bulkCreate(dataWithRoomId, {
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ignoreDuplicates: true // 忽略重复的机柜ID
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});
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createdCount = result.length;
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}
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} catch (dbError) {
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return res.status(500).json({
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success: false,
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message: '数据库操作失败',
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error: `保存机柜数据失败: ${dbError.message}`
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});
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}
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res.status(200).json({
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success: true,
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message: '机柜导入完成',
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imported: createdCount,
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duplicates: duplicateCount,
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total: jsonData.length
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});
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} finally {
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// 删除临时文件
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if (fs.existsSync(tempFilePath)) {
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fs.unlinkSync(tempFilePath);
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}
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}
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} catch (error) {
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res.status(500).json({
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success: false,
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message: '服务器内部错误',
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error: `导入过程中发生未知错误: ${error.message}`
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});
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}
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});
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module.exports = router; |