const Database = require('./database') const MojangUpdater = require('./mojang') const PingController = require('./ping') const Server = require('./server') const config = require('../config') const minecraftVersions = require('../minecraft_versions') class App { serverRegistrations = [] constructor () { this.mojangUpdater = new MojangUpdater(this) this.pingController = new PingController(this) this.server = new Server(this.handleClientConnection) } loadDatabase (callback) { this.database = new Database(this) // Setup database instance this.database.ensureIndexes() this.database.loadGraphPoints(config.graphDuration, () => { this.database.loadRecords(callback) }) } handleReady () { this.server.listen(config.site.ip, config.site.port) // Allow individual modules to manage their own task scheduling this.mojangUpdater.schedule() this.pingController.schedule() } handleClientConnection = (client) => { if (config.logToDatabase) { client.on('requestHistoryGraph', () => { // Send historical graphData built from all serverRegistrations const graphData = {} const graphPeaks = {} this.serverRegistrations.forEach((serverRegistration) => { graphData[serverRegistration.data.name] = serverRegistration.graphData // Send current peak, if any const graphPeak = serverRegistration.getGraphPeak() if (graphPeak) { graphPeaks[serverRegistration.data.name] = graphPeak } }) // Send current peaks, if any // Emit peaks first since graphData may take a while to receive if (Object.keys(graphPeaks).length > 0) { client.emit('peaks', graphPeaks) } client.emit('historyGraph', graphData) }) } client.emit('setPublicConfig', (() => { // Remap minecraftVersion entries into name values const minecraftVersionNames = {} Object.keys(minecraftVersions).forEach(function (key) { minecraftVersionNames[key] = minecraftVersions[key].map(version => version.name) }) // Send configuration data for rendering the page return { graphDuration: config.graphDuration, servers: this.serverRegistrations.map(serverRegistration => serverRegistration.data), minecraftVersions: minecraftVersionNames, isGraphVisible: config.logToDatabase } })()) // Send last Mojang update, if any this.mojangUpdater.sendLastUpdate(client) // Send pingHistory of all ServerRegistrations client.emit('add', this.serverRegistrations.map(serverRegistration => serverRegistration.getPingHistory())) // Always send last // This tells the frontend to do final processing and render client.emit('syncComplete') } } module.exports = App