edu-textbook/server/server.js

// 数据库启动器
const path = require("path")
const fs = require("fs")

// 全局配置加载
// IMPORTANT:通过apps/<appId>/加载应用独立配置
var appConfig 
try{
  appConfig = require(`./config.js`) // 默认加载包内config.js文件
}catch{}
if(!appConfig) appConfig = {}

var userConfig
/*********************
 * windows: process.env.PORTABLE_EXECUTABLE_DIR
 * linux:   process.env.OWD
 */
var OWN_DIR = process.env.PORTABLE_EXECUTABLE_DIR || process.env.OWD || process.cwd() || __dirname
if (OWN_DIR) {
  let configPath = path.join(OWN_DIR, `config.js`)
  if (fs.existsSync(configPath)) {
    userConfig = require(configPath) // 用户独立配置config.js覆盖
    if (userConfig) {
      Object.keys(userConfig).forEach(key => {
        appConfig[key] = userConfig[key]
      })
    }
  }
}
global.config = global.config || {}
global.config['DATABASE_LOCAL'] = process.env["DATABASE_LOCAL"] || appConfig["DATABASE_LOCAL"] || false
global.config['MCENTER_ENABLED'] = process.env["MCENTER_ENABLED"] || appConfig["MCENTER_ENABLED"] || false
global.config['PARSE_SERVERURL'] = process.env["PARSE_SERVERURL"] || appConfig["PARSE_SERVERURL"] || false
global.config['PARSE_APPID'] = process.env["PARSE_APPID"] || appConfig["PARSE_APPID"] || false
global.config['PARSE_MASTERKEY'] = process.env["PARSE_MASTERKEY"] || appConfig["PARSE_MASTERKEY"] || false
global.config['SEGMENT_COUNT'] = process.env["SEGMENT_COUNT"] || appConfig["SEGMENT_COUNT"] || false



// 全局共享属性
global.coolMap = {}
global.minerMap = {}
global.monitorMap = {}

// Web服务启动器
const express = require('express');
const parse = require('parse-server')
const Parse = require('parse/node')

const ParseServer = parse.ParseServer;
const ParseDashboard = require('parse-dashboard');

// 同端口多进程集群
let processCluster = require('cluster')
let cpus = require('os').cpus()
console.log(cpus.length)

const app = express();

const cors = require('cors');
const { importAllSchemas } = require("./db/func/import-schemas")
const { PostgreSQLKeep } = require("./lib/pg/index.js")
app.use(cors({
    origin: '*'
}));

global.parseConfig = {
  port : 61337,
  allowClientClassCreation: true,
  allowExpiredAuthDataToken: false,
  encodeParseObjectInCloudFunction: false,
}

global.parseConfig.serverURL = `http://localhost:${global.parseConfig?.port}/parse`
  global.parseConfig.databaseURI = "postgresql://postgres@127.0.0.1:25432/"
  if(global.config['DATABASE_LOCAL']) {
  global.parseConfig.databaseURI = "postgresql://postgres@127.0.0.1:25432/"
}
global.parseConfig.appId = 'edu-textbook'
global.parseConfig.appName = 'EduParse'
global.parseConfig.masterKey = 'EDU2024'
global.parseConfig.cloud = './cloud/main.js'

Parse.initialize(global.parseConfig.appId,null,global.parseConfig.masterKey);
Parse.serverURL = global.parseConfig.serverURL;

async function startParse(){
  if(global.config['DATABASE_LOCAL']) {
    await PostgreSQLKeep({
        username:"postgres",
        password:"postgres",
        port:"25432",
        dbpath:"database/edudata"
    })
  }
  // 挂载微服务
  const api = new ParseServer(global.parseConfig);
  await api.start();

  // Serve the Parse API at /parse URL prefix
  app.use('/parse', api.app);

  // 挂载管理看板
  const dashboard = new ParseDashboard({
    "apps": [
      global.parseConfig
    ]
  }, { allowInsecureHTTP: true });
  app.use('/dashboard', dashboard);

}

process.on('exit', async () => {
    // await stopDB()
});
process.on('SIGINT', async () => {
  /* DO SOME STUFF HERE */
  // await stopDB()
  process.exit()
})

// 在程序中捕获异常并进行处理
process.on('uncaughtException', async (err) => {
  console.error('Uncaught Exception:', err);
  process.exit(1);
});


// 启动服务
async function initParseAndDatabase(){
  try{

    console.log("正在启动微服务...")
    await startParse();
    // console.log("parse:",parseConfig)

    console.log("正在启动api接口")
    // 加载textbook专属路由 通过代理操控局域网设备
    let textbookRouter = require("./api/textbook/routes")
    app.use("/api/textbook",textbookRouter)
    app.get("/",(req,res)=>{
      res.json({
        code:200,
        data:{message:"ok"}
      })
    })


    /**
     * Listen on provided port, on all network interfaces.
     */
    app.listen(global.parseConfig?.port, async function() {
      console.log('微服务已运行，端口 ' + global.parseConfig?.port + '.');
      // 迁移数据范式 Schemas
      await importAllSchemas();
      // 导入初始化数据
      setTimeout(() => {
        require("./db/func/import-data")
      }, 500);
    });
 
    console.log("正在启动管理看板...")
    console.log("浏览器管理看板:","http://localhost:61337/dashboard")
  }catch(err){
    console.error(err)
  }
}


// 启动服务端及数据库
initParseAndDatabase()