315 lines
No EOL
11 KiB
JavaScript
315 lines
No EOL
11 KiB
JavaScript
import fs from 'fs'
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import { EventEmitter } from 'events'
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import { request } from './client.mjs'
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import { getPathFromRoot, getUrlFromRoot, runCommand } from './util.mjs'
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const fsp = fs.promises
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export default class Core extends EventEmitter{
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constructor(config, db, log, closeCb) {
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super()
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this._config = config
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this._db = db
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this._log = log
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this._close = closeCb
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this._appRunning = false
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this._manageRunning = false
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this._appUpdating = {
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status: false,
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starting: false,
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logs: '',
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}
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this._manageUpdating = {
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status: false,
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starting: false,
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logs: '',
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}
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}
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restart() {
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this._close()
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}
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status() {
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return {
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app: this._appRunning,
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manage: this._manageRunning,
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appUpdating: this._appUpdating.status,
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manageUpdating: this._manageUpdating.status,
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}
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}
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async getLatestVersion(active, name) {
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// Example: 'https://api.github.com/repos/thething/sc-helloworld/releases'
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this.logActive(name, active, `[Core] Fetching release info from: https://api.github.com/repos/${this._config[name + 'Repository']}/releases\n`)
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let result = await request(`https://api.github.com/repos/${this._config[name + 'Repository']}/releases`)
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let items = result.body.filter(function(item) {
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if (!item.assets.length) return false
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for (let i = 0; i < item.assets.length; i++) {
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if (item.assets[i].name.endsWith('-sc.zip')) return true
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}
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})
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if (items && items.length) {
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for (let x = 0; x < items.length; x++) {
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let item = items[x]
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for (let i = 0; i < item.assets.length; i++) {
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if (item.assets[i].name.endsWith('-sc.zip')) {
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this.logActive(name, active, `[Core] Found version ${item.name} with file ${item.assets[i].name}\n`)
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await this._db.set(`core.${name}LatestVersion`, item.name)
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.write()
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this.emit('dbupdated', {})
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return {
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name: item.name,
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filename: item.assets[i].name,
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url: item.assets[i].browser_download_url,
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description: item.body,
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}
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}
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}
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}
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} else {
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return null
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}
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}
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logActive(name, active, logline, doNotPrint = false) {
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if (!doNotPrint) {
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this._log.info(`Log ${name}: ` + logline.replace(/\n/g, ''))
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}
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active.logs += logline
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this.emit(name + 'log', active)
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}
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getProgramLogs(name) {
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if (name === 'app' && this._appUpdating.logs) {
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return this._appUpdating.logs
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} else if (name === 'manage' && this._manageUpdating.logs) {
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return this._manageUpdating.logs
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}
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let latestInstalled = this._db.get('core.' + name + 'LatestInstalled').value()
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let latestVersion = this._db.get('core.' + name + 'LatestVersion').value()
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if (latestVersion) {
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let value = this._db.get(`core_${name}History`).getById(latestVersion).value()
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if (value) return value.logs
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}
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if (latestInstalled) {
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let value = this._db.get(`core_${name}History`).getById(latestInstalled).value()
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if (value) return value.logs
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}
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return '< no logs found >'
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}
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async installVersion(name, active, version) {
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if (fs.existsSync(getPathFromRoot(`./${name}/` + version.name))) {
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await runCommand('rmdir', ['/S', '/Q', `"${getPathFromRoot(`./${name}/` + version.name)}"`])
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}
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try {
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await fsp.mkdir(getPathFromRoot(`./${name}/` + version.name))
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} catch(err) {
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if (err.code !== 'EEXIST') {
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throw err
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}
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}
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// await fsp.mkdir(getPathFromRoot(`./${name}/` + version.name + '/node_modules'))
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this.logActive(name, active, `[Core] Downloading ${version.name} (${version.url}) to ${version.name + '/' + version.name + '.zip'}\n`)
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let filePath = getPathFromRoot(`./${name}/` + version.name + '/' + version.name + '.zip')
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await request(version.url, filePath)
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this.logActive(name, active, `[Core] Downloading finished, starting extraction\n`)
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await runCommand(
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'"C:\\Program Files\\7-Zip\\7z.exe"',
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['x', `"${filePath}"`],
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getPathFromRoot(`./${name}/` + version.name + '/'),
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this.logActive.bind(this, name, active)
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)
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if (!fs.existsSync(getPathFromRoot(`./${name}/` + version.name + '/index.mjs'))) {
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this.logActive(name, active, `\n[Core] ERROR: Missing index.mjs in the folder, exiting\n`)
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throw new Error(`Missing index.mjs in ${getPathFromRoot(`./${name}/` + version.name + '/index.mjs')}`)
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}
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this.logActive(name, active, `\n[Core] Starting npm install\n`)
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await runCommand(
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'npm.cmd',
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['install', '--production', '--no-optional', '--no-package-lock', '--no-audit'],
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getPathFromRoot(`./${name}/` + version.name + '/'),
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this.logActive.bind(this, name, active)
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)
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await this._db.set(`core.${name}LatestInstalled`, version.name)
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.write()
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this.emit('dbupdated', {})
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this.logActive(name, active, `\n[Core] Successfully installed ${version.name}\n`)
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}
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getActive(name) {
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if (name === 'app') {
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return this._appUpdating
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} else if (name === 'manage') {
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return this._manageUpdating
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} else {
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throw new Error('Invalid name: ' + name)
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}
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}
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async startProgram(name) {
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let active = this.getActive(name)
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if ((name === 'app' && this._appRunning)
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|| (name === 'manage' && this._manageRunning)
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|| active.starting) {
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this._log.event.warn('Attempting to start ' + name + ' which is already running')
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this._log.warn('Attempting to start ' + name + ' which is already running')
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this.logActive(name, active, `[${name}] Attempting to start it but it is already running\n`, true)
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return
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}
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active.starting = true
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let core = this._db.get('core').value()
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let version = core[name + 'LatestInstalled']
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if (await this.tryStartProgram(name, active, version)) return
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version = core[name + 'LastActive']
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if (await this.tryStartProgram(name, active,version)) return
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this._log.error('Unable to start ' + name)
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this._log.event.error('Unable to start ' + name)
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active.starting = false
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}
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async tryStartProgram(name, active, version) {
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if (!version) return false
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this.logActive(name, active, `[${name}] Attempting to start ${version}\n`)
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let indexPath = getUrlFromRoot(`./${name}/` + version + '/index.mjs')
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let module
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try {
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this.logActive(name, active, `[${name}] Loading ${indexPath}\n`)
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module = await import(indexPath)
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} catch (err) {
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this.logActive(name, active, `[${name}] Error importing module\n`, true)
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this.logActive(name, active, `[${name}] ${err.stack}\n`, true)
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this._log.error(err, `Failed to load ${indexPath}`)
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return false
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}
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let checkTimeout = null
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try {
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await new Promise((res, rej) => {
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try {
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let checkTimeout = setTimeout(function() {
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rej(new Error('Program took longer than 60 seconds to resolve promise'))
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}, 60 * 1000)
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this.logActive(name, active, `[${name}] Starting module\n`)
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let out = module.start(this._config, this._db, this._log, this)
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if (out.then) {
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return out.then(res, rej)
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} else {
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res()
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}
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} catch (err) {
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rej(err)
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}
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})
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} catch (err) {
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clearTimeout(checkTimeout)
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this.logActive(name, active, `[${name}] Error starting\n`, true)
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this.logActive(name, active, `[${name}] ${err.stack}\n`, true)
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this._log.error(err, `Failed to start ${name}`)
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return false
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}
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clearTimeout(checkTimeout)
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this.logActive(name, active, `[${name}] Successfully started version ${version}\n`)
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await this._db.set(`core.${name}Active`, version)
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.write()
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let port = name === 'app' ? this._config.port : this._config.managePort
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this.logActive(name, active, `[${name}] Checking if listening to port ${port}\n`)
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if (name === 'app') {
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this._appRunning = true
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} else {
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this._manageRunning = true
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}
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this.logActive(name, active, `[${name}] Module is running successfully\n`)
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return true
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}
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async updateProgram(name) {
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if (!this._config[name + 'Repository']) {
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if (name === 'app') {
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this._log.error(name + 'Repository was missing from config')
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this._log.event.error(name + 'Repository was missing from config')
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} else {
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this._log.warn(name + 'Repository was missing from config')
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this._log.event.warn(name + 'Repository was missing from config')
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}
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return
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}
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let active = this.getActive(name)
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active.status = true
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active.logs = ''
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this.emit('statusupdated', {})
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this.logActive(name, active, `[Core] Time: ${new Date().toISOString().replace('T', ' ').split('.')[0]}\n`)
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this.logActive(name, active, '[Core] Checking for updates...\n')
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let version = null
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let installed = false
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let found = false
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try {
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version = await this.getLatestVersion(active, name)
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let core = this._db.get('core').value()
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let fromDb = this._db.get(`core_${name}History`).getById(version.name).value()
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console.log(fromDb)
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if (!fromDb || !fromDb.installed) {
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let oldVersion = core[name + 'Current'] || '<none>'
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this.logActive(name, active, `[Core] Updating from ${oldVersion} to ${version.name}\n`)
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await this.installVersion(name, active, version)
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this.logActive(name, active, `[Core] Finished: ${new Date().toISOString().replace('T', ' ').split('.')[0]}\n`)
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installed = new Date()
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} else {
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found = true
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this.logActive(name, active, `[Core] Version ${version.name} already installed\n\n[Core] Logs from previous install:\n----------------------------------\n\n${fromDb.logs}\n----------------------------------\n[Core] Old logs finished`)
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}
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} catch(err) {
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this.logActive(name, active, '\n', true)
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this.logActive(name, active, `[Error] Exception occured while updating ${name}\n`, true)
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this.logActive(name, active, err.stack, true)
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this._log.error(err, 'Error while updating ' + name)
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}
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active.status = false
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if (version && !found) {
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await this._db.get(`core_${name}History`).upsert({
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id: version.name,
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name: version.name,
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filename: version.filename,
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url: version.url,
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description: version.description,
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logs: active.logs,
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stable: 0,
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installed: installed,
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}).write()
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}
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this.emit('statusupdated', {})
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}
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async start(name) {
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await this.updateProgram(name)
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if (core[name + 'CurrentVersion']) {
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await this.startProgram(name)
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}
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}
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} |