74 lines
2.4 KiB
JavaScript
74 lines
2.4 KiB
JavaScript
const express = require("express");
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require('dotenv').config();
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module.exports = class ServerSingleton {
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static instance;
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constructor() {
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if (ServerSingleton.instance)
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return this.instance;
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ServerSingleton.instance = this;
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}
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static getInstance() {
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if (!ServerSingleton.instance)
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ServerSingleton.instance = new ServerSingleton();
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return ServerSingleton.instance;
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}
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setup() {
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this.setupDatabases();
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this.setupExpress();
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}
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start() {
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if (this.server === null || typeof this.server === "undefined")
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this.setup();
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this.server.listen(process.env.SERVER_PORT,
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() => console.log(`Server listening on port ${process.env.SERVER_PORT}`));
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}
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stop() {
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if (this.server === null || typeof this.server === "undefined")
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return;
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this.server.close();
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}
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setupDatabases() {
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[
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{ name: 'Postgres', instance: require('../databases/database.postgres').getInstance() },
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{ name: 'Mongo', instance: require('../databases/database.mongo').getInstance() }
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].forEach((database) => database.instance.start());
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}
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setupExpress() {
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const express = require('express');
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const app = express();
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ServerSingleton.getInstance().setupExpressPublic(express, app);
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ServerSingleton.getInstance().setupExpressViewEngine(app);
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ServerSingleton.getInstance().setupExpressParsers(app);
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ServerSingleton.getInstance().setupExpressRoutes(app);
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this.server = require('http').createServer(app);
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}
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setupExpressPublic(express, app) {
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app.use(express.static('./public'));
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}
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setupExpressViewEngine(app) {
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app.set('view engine', 'ejs');
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}
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setupExpressParsers(app) {
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[
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{ name: 'JSON', instance: require('body-parser').json() },
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{ name: 'UrlEncoder', instance: require('body-parser').urlencoded({ extended: true }) },
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{ name: 'Cookie', instance: require("cookie-parser")() }
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].forEach(parser => app.use(parser.instance));
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}
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setupExpressRoutes(app) {
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[
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{ name: 'Authentication', path: '/', router: require('./routes/authentication.router') },
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].forEach(route => app.use(route.path, route.router));
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}
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getServer() { return this.server; }
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} |