Integration Guidelines

Integration Guidelines

Prerequisites

Before integrating pop-queue into your project, make sure you have the following prerequisites:

• Node.js (version 14 or higher)
• npm (Node Package Manager)
• MongoDB
• Redis
• Memcached (optional)
• PostgreSQL (optional)

Step 1: Install the Library

Install the pop-queue library using npm:

npm install pop-queue

Step 2: Import the Library

Import the pop-queue library in your project:

const { PopQueue } = require('pop-queue');

Step 3: Create a Queue

Create a queue by instantiating the PopQueue class with the required parameters:

const queue = new PopQueue('mongodb://localhost:27017', 'redis://localhost:6379', 'myDatabase', 'myCollection', 3);

Step 4: Define Jobs

Define jobs using the define method:

queue.define('myJob', async (job) => {
  console.log('Processing job:', job);
  // Perform job processing logic here
  return true;
});

Step 5: Enqueue Jobs

Enqueue jobs using the now method:

queue.now({ data: 'jobData' }, 'myJob', 'jobIdentifier', Date.now());

Step 6: Start the Queue

Start the queue using the start method:

queue.start();

Example

Here is a complete example of integrating pop-queue into your project:

const { PopQueue } = require('pop-queue');

const queue = new PopQueue('mongodb://localhost:27017', 'redis://localhost:6379', 'myDatabase', 'myCollection', 3);

queue.define('myJob', async (job) => {
  console.log('Processing job:', job);
  // Perform job processing logic here
  return true;
});

queue.now({ data: 'jobData' }, 'myJob', 'jobIdentifier', Date.now());

queue.start();

Additional Integration Guidelines

gRPC Endpoints

To integrate gRPC endpoints, follow these steps:

1. Define the gRPC service and methods in a .proto file.
2. Load the .proto file using protoLoader.
3. Implement the gRPC service methods.
4. Start the gRPC server.

For detailed instructions, please visit the gRPC Endpoints page in the GitHub wiki.

REST API Endpoints

To integrate REST API endpoints, follow these steps:

1. Create an Express application.
2. Define the REST API routes and handlers.
3. Start the Express server.

For detailed instructions, please visit the API Endpoints page in the GitHub wiki.

Job Management UI

To integrate the job management UI, follow these steps:

1. Create an HTML file for the UI.
2. Create a CSS file for styling the UI.
3. Create a JavaScript file for handling UI interactions.
4. Serve the UI files using an Express application.

For detailed instructions, please visit the Job Management UI page in the GitHub wiki.

Configuration and Environment Variables

To configure the pop-queue library, create a .env file in the root directory of your project and add the required environment variables. For detailed instructions, please visit the Configuration page in the GitHub wiki.

Error Handling

To handle errors in API endpoints and queue operations, follow these guidelines:

1. Use try-catch blocks to catch and handle errors.
2. Log errors using a logging library such as winston.
3. Return appropriate error responses in API endpoints.

For detailed instructions, please visit the Error Handling page in the GitHub wiki.