parent
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commit
9e40eeb0b5
@ -1,91 +0,0 @@
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// sample-worker.js
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// Copyright (C) 2022 DTP Technologies, LLC
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// License: Apache-2.0
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'use strict';
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const path = require('path');
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require('dotenv').config({ path: path.resolve(__dirname, '..', '..', '.env') });
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const {
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SiteLog,
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SiteWorker,
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} = require(path.join(__dirname, '..', '..', 'lib', 'site-lib'));
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const { CronJob } = require('cron');
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module.rootPath = path.resolve(__dirname, '..', '..');
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module.pkg = require(path.resolve(__dirname, '..', '..', 'package.json'));
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module.config = {
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environment: process.env.NODE_ENV,
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root: module.rootPath,
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component: { name: 'sampleWorker', slug: 'sample-worker' },
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};
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module.config.site = require(path.join(module.rootPath, 'config', 'site'));
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module.config.http = require(path.join(module.rootPath, 'config', 'http'));
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class SampleWorker extends SiteWorker {
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constructor (dtp) {
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super(dtp, { });
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}
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async start ( ) {
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const CRON_TIMEZONE = 'America/New_York';
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await super.start();
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this.log.info('starting worker job');
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this.job = new CronJob(
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'*/5 * * * * *',
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this.runJob.bind(this),
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null, true, CRON_TIMEZONE,
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);
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const { jobQueue: jobQueueService } = this.dtp.services;
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this.sampleJobQueue = jobQueueService.getJobQueue('dtp-sample', this.dtp.config.jobQueues['dtp-sample']);
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this.sampleJobQueue.process('dtp-sample', 1, this.processDtpSample.bind(this));
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}
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async stop ( ) {
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this.log.info('stopping sample worker job');
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this.job.stop();
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delete this.job;
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await super.stop();
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}
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async runJob ( ) {
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this.log.alert('sample job starting');
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/*
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* Your worker will do interesting things here
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*/
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this.log.alert('sample job ending');
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}
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async processDtpSample (job) {
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this.log.info('received sample job', { id: job.id, data: job.data });
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}
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}
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(async ( ) => {
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try {
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module.log = new SiteLog(module, module.config.component);
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module.worker = new SampleWorker(module);
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await module.worker.start();
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module.log.info(`${module.pkg.name} v${module.pkg.version} ${module.config.component.name} started`);
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} catch (error) {
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module.log.error('failed to start worker', {
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component: module.config.component,
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error,
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});
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process.exit(-1);
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}
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})();
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// samples/controller.js
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// Copyright (C) 2022 DTP Technologies, LLC
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// License: Apache-2.0
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'use strict';
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const express = require('express');
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const { SiteController, SiteError } = require('../../lib/site-lib');
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class HomeController extends SiteController {
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constructor (dtp) {
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super(dtp, module.exports);
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}
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async start ( ) {
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const { dtp } = this;
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const { limiter: limiterService } = dtp.services;
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const upload = this.createMulter();
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const router = express.Router();
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dtp.app.use('/your-route', router);
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router.use(async (req, res, next) => {
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res.locals.currentView = 'your-view';
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return next();
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});
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router.param('itemId', this.populateItemId.bind(this));
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router.post(
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'/item',
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limiterService.createMiddleware(limiterService.config.home.postItemCreate),
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upload.none(),
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this.postItemCreate.bind(this),
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);
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router.get(
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'/item/:itemId',
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limiterService.createMiddleware(limiterService.config.sample.getItemView),
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this.getItemView.bind(this),
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);
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router.get('/',
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limiterService.createMiddleware(limiterService.config.sample.getHome),
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this.getHome.bind(this),
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);
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}
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async populateItemId (req, res, next, itemId) {
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const { item: itemService } = this.dtp.services;
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try {
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res.locals.item = await itemService.getById(itemId);
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if (!res.locals.item) {
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throw new SiteError(404, 'Item not found');
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}
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return next();
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} catch (error) {
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return next(error);
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}
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}
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async postItemCreate (req, res, next) {
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const { item: itemService } = this.dtp.services;
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try {
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const item = await itemService.create(req.user, req.body);
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res.redirect(`/item/${item._id}`);
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} catch (error) {
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this.log.error('failed to create item', { error });
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return next(error);
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}
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}
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async getItemView (req, res) {
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res.render('item/view');
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}
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async getHome (req, res, next) {
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const { announcement: announcementService } = this.dtp.services;
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try {
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res.locals.announcements = await announcementService.getLatest(req.user);
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res.render('index');
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} catch (error) {
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this.log.error('failed to render home view', { error });
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return next(error);
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}
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}
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}
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module.exports = {
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slug: 'home',
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name: 'home',
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isHome: true,
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create: async (dtp) => { return new HomeController(dtp); },
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};
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// samples/service.js
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// Copyright (C) 2022 DTP Technologies, LLC
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// License: Apache-2.0
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'use strict';
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const mongoose = require('mongoose');
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const Item = mongoose.model('Item');
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const { SiteService } = require('../../lib/site-lib');
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class SampleService extends SiteService {
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constructor (dtp) {
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super(dtp, module.exports);
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}
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async start ( ) {
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await super.start();
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this.queue = this.getJobQueue('sample');
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}
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async stop ( ) {
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// do your shutdown here
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await super.stop();
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}
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async create (owner, itemDefinition) {
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const NOW = new Date();
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const item = new Item();
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item.created = NOW;
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item.title = itemDefinition.title;
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item.content = itemDefinition.content;
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await item.save();
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return item.toObject();
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}
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async getItems (search, pagination) {
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const items = await Item
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.find(search)
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.sort({ created: -1 })
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.skip(pagination.skip)
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.limit(pagination.cpp)
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.lean();
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return items;
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}
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async getById (itemId) {
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const item = await Item.findById(itemId).lean();
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return item;
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}
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async deleteItem (item) {
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await Item.deleteOne({ _id: item._id });
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}
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}
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module.exports = {
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name: 'sample',
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slug: 'sample',
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create: (dtp) => { return new SampleService(dtp); },
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};
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// samples/worker.js
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// Copyright (C) 2022 DTP Technologies, LLC
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// License: Apache-2.0
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'use strict';
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const path = require('path');
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require('dotenv').config({ path: path.resolve(__dirname, '..', '..', '.env') });
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const { SiteLog, SiteWorker } = require(path.join(__dirname, '..', '..', 'lib', 'site-lib'));
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class SampleWorker extends SiteWorker {
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constructor (dtp) {
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super(dtp, dtp.config.component);
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}
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async start ( ) {
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await super.start();
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await this.loadProcessor(path.join(__dirname, 'your-worker', 'cron', 'expire-things.js'));
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await this.loadProcessor(path.join(__dirname, 'your-worker', 'job', 'process-things.js'));
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await this.startProcessors();
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}
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async stop ( ) {
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await super.stop();
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}
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}
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(async ( ) => {
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try {
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module.rootPath = path.resolve(__dirname, '..', '..');
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module.pkg = require(path.resolve(__dirname, '..', '..', 'package.json'));
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module.component = { name: 'theWorkerName', slug: 'the-worker-name' };
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module.config = {
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environment: process.env.NODE_ENV,
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root: module.rootPath,
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component: module.component,
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};
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module.config.site = require(path.join(module.rootPath, 'config', 'site'));
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module.log = new SiteLog(module, module.component);
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module.worker = new SampleWorker(module);
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await module.worker.start();
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module.log.info(`${module.pkg.name} v${module.pkg.version} ${module.component.name} started`);
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} catch (error) {
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module.log.error('failed to start worker', { component: module.component.name, error });
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process.exit(-1);
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}
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})();
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Loading…
Reference in new issue