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refactor: async/await

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Barış Soner Uşaklı
2019-10-05 17:05:52 -04:00
parent 91e8e3905c
commit 02d38caf47
4 changed files with 173 additions and 240 deletions
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159
src/start.js
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@@ -1,90 +1,75 @@
'use strict';
var async = require('async');
var nconf = require('nconf');
var url = require('url');
var winston = require('winston');
const nconf = require('nconf');
const url = require('url');
const winston = require('winston');
var start = module.exports;
const start = module.exports;
start.start = function () {
var db = require('./database');
start.start = async function () {
const db = require('./database');
setupConfigs();
printStartupInfo();
addProcessHandlers();
try {
await db.init();
async.waterfall([
function (next) {
db.init(next);
},
function (next) {
var meta = require('./meta');
async.parallel([
async.apply(db.checkCompatibility),
async.apply(meta.configs.init),
function (next) {
if (nconf.get('dep-check') === undefined || nconf.get('dep-check') !== false) {
meta.dependencies.check(next);
} else {
winston.warn('[init] Dependency checking skipped!');
setImmediate(next);
}
},
function (next) {
require('./upgrade').check(next);
},
], function (err) {
next(err);
});
},
function (next) {
db.initSessionStore(next);
},
function (next) {
var webserver = require('./webserver');
require('./socket.io').init(webserver.server);
const meta = require('./meta');
await Promise.all([
db.checkCompatibility(),
meta.configs.init(),
require('./upgrade').check(),
]);
if (nconf.get('runJobs')) {
require('./notifications').startJobs();
require('./user').startJobs();
require('./plugins').startJobs();
}
webserver.listen(next);
},
], function (err) {
if (err) {
switch (err.message) {
case 'schema-out-of-date':
winston.error('Your NodeBB schema is out-of-date. Please run the following command to bring your dataset up to spec:');
winston.error(' ./nodebb upgrade');
break;
case 'dependencies-out-of-date':
winston.error('One or more of NodeBB\'s dependent packages are out-of-date. Please run the following command to update them:');
winston.error(' ./nodebb upgrade');
break;
case 'dependencies-missing':
winston.error('One or more of NodeBB\'s dependent packages are missing. Please run the following command to update them:');
winston.error(' ./nodebb upgrade');
break;
default:
winston.error(err);
break;
}
// Either way, bad stuff happened. Abort start.
process.exit();
if (nconf.get('dep-check') === undefined || nconf.get('dep-check') !== false) {
await meta.dependencies.check();
} else {
winston.warn('[init] Dependency checking skipped!');
}
await db.initSessionStore();
const webserver = require('./webserver');
require('./socket.io').init(webserver.server);
if (nconf.get('runJobs')) {
require('./notifications').startJobs();
require('./user').startJobs();
require('./plugins').startJobs();
}
await webserver.listen();
if (process.send) {
process.send({
action: 'listening',
});
}
});
} catch (err) {
switch (err.message) {
case 'schema-out-of-date':
winston.error('Your NodeBB schema is out-of-date. Please run the following command to bring your dataset up to spec:');
winston.error(' ./nodebb upgrade');
break;
case 'dependencies-out-of-date':
winston.error('One or more of NodeBB\'s dependent packages are out-of-date. Please run the following command to update them:');
winston.error(' ./nodebb upgrade');
break;
case 'dependencies-missing':
winston.error('One or more of NodeBB\'s dependent packages are missing. Please run the following command to update them:');
winston.error(' ./nodebb upgrade');
break;
default:
winston.error(err);
break;
}
// Either way, bad stuff happened. Abort start.
process.exit();
}
};
function setupConfigs() {
@@ -93,8 +78,8 @@ function setupConfigs() {
nconf.set('sessionKey', 'express.sid');
}
// Parse out the relative_url and other goodies from the configured URL
var urlObject = url.parse(nconf.get('url'));
var relativePath = urlObject.pathname !== '/' ? urlObject.pathname.replace(/\/+$/, '') : '';
const urlObject = url.parse(nconf.get('url'));
const relativePath = urlObject.pathname !== '/' ? urlObject.pathname.replace(/\/+$/, '') : '';
nconf.set('base_url', urlObject.protocol + '//' + urlObject.host);
nconf.set('secure', urlObject.protocol === 'https:');
nconf.set('use_port', !!urlObject.port);
@@ -106,8 +91,8 @@ function printStartupInfo() {
if (nconf.get('isPrimary') === 'true') {
winston.info('Initializing NodeBB v%s %s', nconf.get('version'), nconf.get('url'));
var host = nconf.get(nconf.get('database') + ':host');
var storeLocation = host ? 'at ' + host + (!host.includes('/') ? ':' + nconf.get(nconf.get('database') + ':port') : '') : '';
const host = nconf.get(nconf.get('database') + ':host');
const storeLocation = host ? 'at ' + host + (!host.includes('/') ? ':' + nconf.get(nconf.get('database') + ':port') : '') : '';
winston.verbose('* using %s store %s', nconf.get('database'), storeLocation);
winston.verbose('* using themes stored in: %s', nconf.get('themes_path'));
@@ -138,27 +123,19 @@ function restart() {
}
}
function shutdown(code) {
async function shutdown(code) {
winston.info('[app] Shutdown (SIGTERM/SIGINT) Initialised.');
async.waterfall([
function (next) {
require('./webserver').destroy(next);
},
function (next) {
winston.info('[app] Web server closed to connections.');
require('./analytics').writeData(next);
},
function (next) {
winston.info('[app] Live analytics saved.');
require('./database').close(next);
},
], function (err) {
if (err) {
winston.error(err);
return process.exit(code || 0);
}
try {
await require('./webserver').destroy();
winston.info('[app] Web server closed to connections.');
await require('./analytics').writeData();
winston.info('[app] Live analytics saved.');
await require('./database').close();
winston.info('[app] Database connection closed.');
winston.info('[app] Shutdown complete.');
process.exit(code || 0);
});
} catch (err) {
winston.error(err);
return process.exit(code || 0);
}
}