@evolving-bubble/redis-q
Redis Queue for jobs
Last updated 2 years ago by yogeshyadav108098 .
MIT · Repository · Bugs · Original npm · Tarball · package.json
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Redis-Q Job Manager

Manage jobs using redis queues

Preface

In normal scenario, tracking and processing job is little typical. This library is trageted to make that simpler and effective

Features

  1. Create a job.
  2. Delete a job.
  3. Track a job progress.
  4. Generate job reports

Getting started.

Redis-Q Job manager will work on all systems which can run node.

Install

npm install @evolving-bubble/redis-q

Usage

Examples

  • Create a publisher

Will create a publisher connection with redis, when redis isReady we can start pushing data

const JobManager = require('@evolving-bubble/redis-q')
const publisher = new JobManager.Publisher({
    redis: {
        connectionType: 'NORMAL',
        host: 'localhost',
        port: '6379',
    },
    jobPrefix: 'JobManager'
});

if(publisher.isReady()){
    publisher.push([{ 1: 1, 2: 2 }]);
}
  • Create a db publisher

Will create a DB publisher connection with redis, when redis isReady we can start pushing data, it will fetch data from db using searchOptions and will push in redis as part of job

const JobManager = require('@evolving-bubble/redis-q')
const dBPublisher = new JobManager.DbPublisher({
    jobName: 'test-DBPublisher',
    schedulerTime: '*/1 * * * * *', // Every 10 secs
    db: {
        host: 'localhost',
        port: '3306',
        user: 'username',
        password: 'password',
        database: 'testDatabase',
        table: 'testTable',
        tableFields: [
            {
                key: 'order_id',
                type: 'varchar'
            },
            {
                key: 'customer_id',
                type: 'varchar'
            },
        ],
        searchOptions: [{
            key: 'order_id',
            operator: 'eq',
            value: '4295046610'
        }]
    },
    redis: {
        host: 'localhost',
        port: '6379',
        connectionType: 'NORMAL'
    },
    jobPrefix: 'JobManager'
});

dBPublisher.exec();
  • Create a subscriber

Will create a subscriber that will be listening to queues and will run the callback if some message gets added to Queue

const JobManager = require('@evolving-bubble/redis-q')
const subscriber = new JobManager.Subscriber({
    redis: {
        connectionType: 'NORMAL',
        host: 'localhost',
        port: '6379',
    },
    jobPrefix: 'JobManager',
    callback: (message) => {
        return new Promise((resolve, reject) => {
            Promise.resolve()
                .then(() => {
                    console.log(message);
                    return resolve();
                })
                .catch((error) => {
                    return reject(error);
                });
        })
    },
    callbackTimeOut: 2 * 1000
});
subscriber.process();
  • Create a job

Will create a job object to track job progress and to generate reports

const job = new Job({
    redis: {
        connectionType: 'NORMAL',
        host: 'localhost',
        port: '6379',
    },
    jobPrefix: 'JobManager'
});

setTimeout(() => {
    job.generateCSVReport('6372bae0-14ed-4b0e-bd61-6775ff81f2e5');
    job.generateJSONReport('4ff188bd-5572-4455-bcac-f5c758e9f924');
    job.peek('4ff188bd-5572-4455-bcac-f5c758e9f924');
}, 1000);

How to contribute

Have an idea? Found a bug? See how to contribute.

Have a problem? Come chat with us!

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Maintained by

Yogesh Yadav

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Where is this library used?

If you are using this library in one of your projects, add it here.

License

MIT © Yogesh Yadav

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