https://github.com/combatpoodle/simple-message-helper

Implements a simple message broker pattern for subscriptions to a single queue and publication to a single command.
https://github.com/combatpoodle/simple-message-helper

Last synced: 10 days ago
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Implements a simple message broker pattern for subscriptions to a single queue and publication to a single command.

• Host: GitHub
• URL: https://github.com/combatpoodle/simple-message-helper
• Owner: combatpoodle
• Created: 2015-06-03T03:32:40.000Z (over 9 years ago)
• Default Branch: master
• Last Pushed: 2015-09-18T13:55:53.000Z (over 9 years ago)
• Last Synced: 2024-04-26T01:21:24.649Z (8 months ago)
• Language: CoffeeScript
• Size: 156 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Message Helper

This simplifies interactions for working with a message broker when you really don't need a full feature set - basically just send and receive.  It's written in CoffeeScript and is used downstream to run chatops tasks as part of a Hubot deployment.

### Basic usage

```javascript

var readyFn = function() {

    console.log("Connected and configured");

    communicator.send("Do stuff");

};

var messageHandler = function(message) {

    console.log("Got a message:", message);

};

var disconnected = function() {

    console.log("Disconnected");

}

var messageHelper = require('message-helper')

var communicator = new messageHelper(readyFn, messageHandler, disconnected);

```

From the above, you'd expect the message "Do stuff" to get published to your exchange.

### Configuration

You can use the default configuration:

```coffeescript

configuration =

    user: "guest"

    password: "guest"

    host: "localhost"

    port: 5672

    vhost: "/"

    commandExchangeName: "hubot-commands"

    commandRoutingKey: "hubot-commands"

    responseExchangeName: "hubot-responses"

    responseQueueName: "hubot-responses"

```

Or, use custom environment variables:

```bash

export AMQP_USER="amqp_user"

export AMQP_PASSWORD="amqp_password"

export AMQP_HOST="amqp_host"

export AMQP_PORT="amqp_port"

export AMQP_VHOST="amqp_vhost"

export AMQP_COMMAND_EXCHANGE_NAME="amqp_command_exchange_name"

export AMQP_COMMAND_ROUTING_KEY="amqp_command_routing_key"

export AMQP_RESPONSE_EXCHANGE_NAME="amqp_response_exchange_name"

export AMQP_RESPONSE_QUEUE_NAME="amqp_response_queue_name"

```