670 lines
16 KiB
JavaScript
670 lines
16 KiB
JavaScript
const express = require('express');
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const router = express.Router();
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const DatabaseManager = require('../database/database-manager');
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const RegistryDatabase = require('../database/registry-database');
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const RegistryMigration = require('../services/registry-migration');
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const { defaultLogger } = require('../utils/logger');
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// 创建logger实例
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const logger = defaultLogger.child('DatabaseRouter');
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// 全局数据库管理器实例
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let databaseManager = null;
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let registryDatabase = null;
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/**
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* 设置数据库实例
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*/
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function setDatabaseInstances(dbManager, regDatabase) {
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databaseManager = dbManager;
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registryDatabase = regDatabase;
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}
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/**
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* 测试数据库连接
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* POST /api/database/test-connection
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*/
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router.post('/test-connection', async (req, res) => {
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try {
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const { host, port, user, password, database, ssl } = req.body;
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if (!host || !port || !user || !database) {
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return res.status(400).json({
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success: false,
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error: '缺少必要的连接参数'
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});
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}
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// 创建临时数据库管理器进行测试
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const testManager = new DatabaseManager();
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// 初始化连接池
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await testManager.init({
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host,
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port: parseInt(port),
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user,
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password,
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database,
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ssl: ssl || false
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});
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const result = await testManager.testConnection();
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if (result.success) {
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res.json({
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success: true,
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data: {
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message: '数据库连接成功',
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serverVersion: result.serverVersion,
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connectionTime: result.connectionTime
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}
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});
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} else {
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res.status(400).json({
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success: false,
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error: result.error
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});
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}
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// 关闭测试连接
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await testManager.close();
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} catch (error) {
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logger.error('测试数据库连接失败:', error);
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res.status(500).json({
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success: false,
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error: error.message
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});
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}
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});
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/**
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* 保存数据库配置
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* POST /api/database/config
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*/
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router.post('/config', async (req, res) => {
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try {
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const { host, port, user, password, database, connectionLimit, ssl } = req.body;
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if (!host || !port || !user || !database) {
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return res.status(400).json({
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success: false,
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error: '缺少必要的连接参数'
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});
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}
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const config = {
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host,
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port: parseInt(port),
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user,
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password,
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database,
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connectionLimit: parseInt(connectionLimit) || 10,
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ssl: ssl || false
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};
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// 先测试连接
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const testManager = new DatabaseManager();
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await testManager.init(config);
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const testResult = await testManager.testConnection();
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if (!testResult.success) {
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await testManager.close();
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return res.status(400).json({
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success: false,
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error: `连接测试失败: ${testResult.error}`
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});
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}
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await testManager.close();
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// 保存配置到文件
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const fs = require('fs-extra');
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const path = require('path');
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// 检测是否在pkg打包环境中运行
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const isPkg = process.pkg !== undefined;
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const configPath = isPkg
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? path.join(process.cwd(), 'data', 'database.json') // 打包环境：当前工作目录的data文件夹
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: path.join(__dirname, '..', '..', 'data', 'database.json'); // 开发环境：项目根目录的data文件夹
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await fs.ensureDir(path.dirname(configPath));
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await fs.writeJson(configPath, config, { spaces: 2 });
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// 重新初始化全局数据库管理器
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if (databaseManager) {
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await databaseManager.close();
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}
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databaseManager = new DatabaseManager();
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await databaseManager.init(config);
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// 初始化注册表数据库
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registryDatabase = new RegistryDatabase(databaseManager);
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await registryDatabase.init();
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res.json({
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success: true,
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data: {
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message: '数据库配置已保存并连接成功',
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config: {
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host: config.host,
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port: config.port,
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user: config.user,
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database: config.database,
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connectionLimit: config.connectionLimit,
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ssl: config.ssl
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}
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}
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});
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} catch (error) {
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logger.error('保存数据库配置失败:', error);
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res.status(500).json({
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success: false,
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error: error.message
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});
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}
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});
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/**
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* 获取数据库配置
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* GET /api/database/config
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*/
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router.get('/config', async (req, res) => {
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try {
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const fs = require('fs-extra');
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const path = require('path');
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// 检测是否在pkg打包环境中运行
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const isPkg = process.pkg !== undefined;
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const configPath = isPkg
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? path.join(process.cwd(), 'data', 'database.json') // 打包环境：当前工作目录的data文件夹
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: path.join(__dirname, '..', '..', 'data', 'database.json'); // 开发环境：项目根目录的data文件夹
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if (await fs.pathExists(configPath)) {
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const config = await fs.readJson(configPath);
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// 不返回密码
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const safeConfig = {
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host: config.host,
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port: config.port,
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user: config.user,
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database: config.database,
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connectionLimit: config.connectionLimit,
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ssl: config.ssl,
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hasPassword: !!config.password
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};
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res.json({
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success: true,
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data: safeConfig
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});
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} else {
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res.json({
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success: true,
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data: null
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});
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}
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} catch (error) {
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logger.error('获取数据库配置失败:', error);
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res.status(500).json({
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success: false,
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error: error.message
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});
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}
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});
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/**
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* 获取数据库连接状态
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* GET /api/database/status
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*/
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router.get('/status', async (req, res) => {
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try {
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if (!databaseManager) {
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return res.json({
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success: true,
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data: {
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connected: false,
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message: '数据库未配置'
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}
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});
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}
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const isConnected = databaseManager.isConnected;
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res.json({
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success: true,
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data: {
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connected: isConnected,
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message: isConnected ? '数据库已连接' : '数据库连接断开'
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}
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});
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} catch (error) {
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logger.error('获取数据库状态失败:', error);
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res.status(500).json({
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success: false,
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error: error.message
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});
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}
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});
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/**
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* 初始化数据库表
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* POST /api/database/init-tables
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*/
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router.post('/init-tables', async (req, res) => {
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try {
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if (!databaseManager) {
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return res.status(400).json({
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success: false,
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error: '数据库未配置'
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});
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}
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if (!registryDatabase) {
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registryDatabase = new RegistryDatabase(databaseManager);
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}
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await registryDatabase.init();
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res.json({
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success: true,
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data: {
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message: '数据库表初始化成功'
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}
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});
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} catch (error) {
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logger.error('初始化数据库表失败:', error);
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res.status(500).json({
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success: false,
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error: error.message
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});
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}
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});
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/**
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* 数据迁移：JSON到数据库
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* POST /api/database/migrate/json-to-db
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*/
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router.post('/migrate/json-to-db', async (req, res) => {
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try {
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const { overwrite = true, createBackup = true } = req.body;
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if (!databaseManager || !registryDatabase) {
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return res.status(400).json({
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success: false,
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error: '数据库未配置或未初始化'
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});
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}
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const downloadService = req.backend.getDownloadService();
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const jsonRegistry = downloadService.downloadRegistry;
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const fileManager = downloadService.fileManager;
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const migration = new RegistryMigration(jsonRegistry, registryDatabase, fileManager);
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const result = await migration.performMigration('json-to-db', overwrite, createBackup);
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res.json({
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success: true,
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data: result
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});
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} catch (error) {
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logger.error('JSON到数据库迁移失败:', error);
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res.status(500).json({
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success: false,
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error: error.message
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});
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}
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});
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/**
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* 数据迁移：数据库到JSON
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* POST /api/database/migrate/db-to-json
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*/
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router.post('/migrate/db-to-json', async (req, res) => {
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try {
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const { overwrite = true, createBackup = true } = req.body;
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if (!databaseManager || !registryDatabase) {
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return res.status(400).json({
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success: false,
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error: '数据库未配置或未初始化'
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});
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}
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const downloadService = req.backend.getDownloadService();
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const jsonRegistry = downloadService.downloadRegistry;
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const fileManager = downloadService.fileManager;
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const migration = new RegistryMigration(jsonRegistry, registryDatabase, fileManager);
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const result = await migration.performMigration('db-to-json', overwrite, createBackup);
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res.json({
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success: true,
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data: result
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});
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} catch (error) {
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logger.error('数据库到JSON迁移失败:', error);
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res.status(500).json({
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success: false,
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error: error.message
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});
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}
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});
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/**
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* 比较注册表差异
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* GET /api/database/compare-registries
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*/
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router.get('/compare-registries', async (req, res) => {
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try {
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if (!databaseManager || !registryDatabase) {
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return res.status(400).json({
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success: false,
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error: '数据库未配置或未初始化'
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});
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}
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const downloadService = req.backend.getDownloadService();
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const jsonRegistry = downloadService.downloadRegistry;
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const fileManager = downloadService.fileManager;
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const migration = new RegistryMigration(jsonRegistry, registryDatabase, fileManager);
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const comparison = await migration.compareRegistries();
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res.json({
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success: true,
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data: comparison
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});
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} catch (error) {
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logger.error('比较注册表失败:', error);
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res.status(500).json({
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success: false,
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error: error.message
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});
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}
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});
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/**
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* 断开数据库连接
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* POST /api/database/disconnect
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*/
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router.post('/disconnect', async (req, res) => {
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try {
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if (databaseManager) {
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await databaseManager.disconnect();
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databaseManager = null;
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registryDatabase = null;
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}
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res.json({
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success: true,
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data: {
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message: '数据库连接已断开'
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}
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});
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} catch (error) {
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logger.error('断开数据库连接失败:', error);
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res.status(500).json({
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success: false,
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error: error.message
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});
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}
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});
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// 数据库注册表相关API
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/**
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* 获取数据库注册表统计信息
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* GET /api/database/registry/stats
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*/
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router.get('/registry/stats', async (req, res) => {
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try {
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if (!registryDatabase) {
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return res.status(400).json({
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success: false,
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error: '数据库注册表未初始化'
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});
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}
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const stats = await registryDatabase.getStats();
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res.json({
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success: true,
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data: stats
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});
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} catch (error) {
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logger.error('获取数据库注册表统计信息失败:', error);
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res.status(500).json({
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success: false,
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error: error.message
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});
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}
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});
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/**
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* 导出数据库注册表
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* GET /api/database/registry/export
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*/
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router.get('/registry/export', async (req, res) => {
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try {
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if (!registryDatabase) {
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return res.status(400).json({
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success: false,
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error: '数据库注册表未初始化'
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});
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}
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const registryData = await registryDatabase.exportRegistry();
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res.setHeader('Content-Type', 'application/json');
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res.setHeader('Content-Disposition', 'attachment; filename="database-registry.json"');
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res.json(registryData);
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} catch (error) {
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logger.error('导出数据库注册表失败:', error);
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res.status(500).json({
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success: false,
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error: error.message
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});
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}
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});
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/**
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* 导入数据到数据库注册表
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* POST /api/database/registry/import
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*/
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router.post('/registry/import', async (req, res) => {
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try {
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const { registryData } = req.body;
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if (!registryData) {
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return res.status(400).json({
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success: false,
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error: '缺少注册表数据'
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});
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}
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if (!registryDatabase) {
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return res.status(400).json({
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success: false,
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error: '数据库注册表未初始化'
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});
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}
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const result = await registryDatabase.importRegistry(registryData);
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res.json({
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success: true,
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data: result
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});
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} catch (error) {
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logger.error('导入数据库注册表失败:', error);
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res.status(500).json({
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success: false,
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error: error.message
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});
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}
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});
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/**
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* 从文件系统重建数据库注册表
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* POST /api/database/registry/rebuild
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*/
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router.post('/registry/rebuild', async (req, res) => {
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try {
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if (!registryDatabase) {
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return res.status(400).json({
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success: false,
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error: '数据库注册表未初始化'
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});
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}
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const downloadService = req.backend.getDownloadService();
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const fileManager = downloadService.fileManager;
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// 生成任务ID
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const taskId = `db-registry-rebuild-${Date.now()}`;
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// 立即返回任务ID，不等待完成
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res.json({
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success: true,
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data: {
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taskId,
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status: 'started',
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message: '数据库注册表重建任务已启动'
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}
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});
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// 异步执行重建任务
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setImmediate(async () => {
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try {
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// 设置任务状态为进行中
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global.dbRegistryRebuildTasks = global.dbRegistryRebuildTasks || new Map();
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global.dbRegistryRebuildTasks.set(taskId, {
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status: 'running',
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startTime: Date.now(),
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progress: {
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scannedArtists: 0,
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scannedArtworks: 0,
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addedArtworks: 0,
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skippedArtworks: 0,
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currentArtist: null
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}
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});
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const result = await registryDatabase.rebuildFromFileSystem(fileManager, taskId);
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// 更新任务状态为完成
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global.dbRegistryRebuildTasks.set(taskId, {
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status: 'completed',
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startTime: global.dbRegistryRebuildTasks.get(taskId).startTime,
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endTime: Date.now(),
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result: result
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});
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logger.info(`数据库注册表重建任务完成: ${taskId}`, result);
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} catch (error) {
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logger.error(`数据库注册表重建任务失败: ${taskId}`, error);
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// 更新任务状态为失败
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global.dbRegistryRebuildTasks.set(taskId, {
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status: 'failed',
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startTime: global.dbRegistryRebuildTasks.get(taskId).startTime,
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endTime: Date.now(),
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
} catch (error) {
|
|
logger.error('启动数据库注册表重建任务失败:', error);
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 获取数据库注册表重建任务状态
|
|
* GET /api/database/registry/rebuild/status/:taskId
|
|
*/
|
|
router.get('/registry/rebuild/status/:taskId', async (req, res) => {
|
|
try {
|
|
const { taskId } = req.params;
|
|
|
|
global.dbRegistryRebuildTasks = global.dbRegistryRebuildTasks || new Map();
|
|
const task = global.dbRegistryRebuildTasks.get(taskId);
|
|
|
|
if (!task) {
|
|
return res.status(404).json({
|
|
success: false,
|
|
error: '任务不存在'
|
|
});
|
|
}
|
|
|
|
res.json({
|
|
success: true,
|
|
data: task
|
|
});
|
|
|
|
} catch (error) {
|
|
logger.error('获取数据库注册表重建任务状态失败:', error);
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 清理数据库注册表
|
|
* POST /api/database/registry/cleanup
|
|
*/
|
|
router.post('/registry/cleanup', async (req, res) => {
|
|
try {
|
|
if (!registryDatabase) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: '数据库注册表未初始化'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const fileManager = downloadService.fileManager;
|
|
|
|
const result = await registryDatabase.cleanupRegistry(fileManager);
|
|
|
|
res.json({
|
|
success: true,
|
|
data: result
|
|
});
|
|
|
|
} catch (error) {
|
|
logger.error('清理数据库注册表失败:', error);
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
// 导出数据库管理器实例，供其他模块使用
|
|
router.getDatabaseManager = () => databaseManager;
|
|
router.getRegistryDatabase = () => registryDatabase;
|
|
router.setDatabaseInstances = setDatabaseInstances;
|
|
|
|
module.exports = router; |