48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
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import Util from './core/util.mjs'
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import { readFileSync } from 'fs'
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import { getLog } from './core/log.mjs'
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import lowdb from './core/db.mjs'
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export default class ServiceCore {
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constructor(name, root_import_meta_url) {
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if (!root_import_meta_url) {
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throw new Error('ServiceCore must be called with the full string from "import.meta.url" from a file residing in the root directory')
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}
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this._root_import_meta_url = root_import_meta_url
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this.util = new Util(this._root_import_meta_url)
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this.log = getLog(name)
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this.db = null
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this.config = null
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this.core = null
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}
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close(err) {
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if (err) {
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log.fatal(err, 'App recorded a fatal error')
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process.exit(4)
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}
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log.warn('App asked to be restarted')
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process.exit(0)
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}
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async init() {
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try {
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this.config = JSON.parse(readFileSync(this.util.getPathFromRoot('./config.json')))
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} catch (err) {
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throw new Error('Unable to read config.json from root directory: ' + err)
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}
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try {
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this.db = await lowdb(this.util, this.log)
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} catch (err) {
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throw new Error('Unable to read initialise lowdb: ' + err)
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}
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this.core = new Core(this.util, this.config, this.db, this.log, (err) => this.close(err))
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}
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async startModule(module) {
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return module.start(config, db, log, core)
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}
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}
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