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sails-hook-publisher

Build Status

Kue based job publisher(producer) for sails v0.11.0+. Its a wrapper around Kue for publishing jobs by using redis as a queue engine.

Installation

$ npm install --save sails-hook-publisher

Usage

In sails hooks, sails.hooks.publisher will be available for use and it will expose:

  • queue : a kue based job queue specifially for publish jobs. If you want to consume jobs you may use sails-hook-subscriber. It is a valid kue queue so you can also invoke other kue methods from it. See

  • create or createJob : which is a proxy for kue.create and kue.createJob respectively. See kue creating jobs for detailed explanations

Publishing Jobs

Use sails.hooks.publisher.create or sails.hooks.publisher.createJob to publish job(s) as way you used with kue. You can publish jobs in any place within your sails application where sails.hooks is accessible and sails.hook.publisher is loaded and available.

Example

//in AuthController.js
//in register(request,response) method

register: function(request,response){
      //your codes ....

      //grab publisher
      var publisher = sails.hooks.publisher;
      
      //publish send confirmation email
      var job = publisher.create('email', {
        title: 'Welcome'
      , to: request.email,
      , template: 'welcome-email'
     })
     .save();
}

Note: The above example demostrate sails-hook-publisher usage in controller you can use it in your models and services too

Queue Events

sails-hook-publisher expose queue which is the underlying kue queue it use for listening for queue events. For you to listen on your job events on the queue, just add listener on the publisher queue.on. see kue queue events for more explanation

Example:

//somewhere in your codes just once
//prefered on config/bootstrap.js
//or custom hook
//or services
var publisher = sails.hooks.publisher;

//add listener on the queue
publisher
          .queue
          .on('job complete', function(id, jobResult) {
              //your codes here
          });

Configuration

sails-hook-publisher accept application defined configuration by utilizing sails configuration api. In sails config directory add config/publisher.js and you will be able to override all the defauts configurations.

Simply, copy the below and add it to your config/publisher.js

module.exports.publisher = {
    //control activeness of publisher
    //its active by default
    active: true,
                
    //default key prefix for kue in
    //redis server
    prefix: 'q',

    //default redis configuration
    redis: {
        //default redis server port
        port: 6379,
        //default redis server host
        host: '127.0.0.1'
    },
    //number of milliseconds
    //to wait 
    //before shutdown publisher
    shutdownDelay: 5000
}

Testing

  • Clone this repository

  • Install all development dependencies

$ npm install
  • Then run test
$ npm test

Contribute

Fork this repo and push in your ideas. Do not forget to add a bit of test(s) of what value you adding.

Licence

Copyright (c) 2015 lykmapipo

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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Kue based job publisher(producer) for sails

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