Sri Lanka Railways Location API

This Node.js application serves as a RESTful API for Sri Lanka Railways, handling the ingestion, storage, and retrieval of real-time GPS location data for trains. The API supports CRUD operations on train data and maintains a 90-day data retention policy, allowing clients to access both current and historical location information.

Features

• Ingest and store real-time GPS location data for trains.
• Retrieve current and historical location data.
• Maintain a 90-day data retention policy with automatic cleanup.
• Perform CRUD operations on train data with history logging.

Prerequisites

• Node.js (v14 or higher)
• MongoDB
• npm (Node Package Manager)

Installation

1. Clone the repository:

   git clone https://github.com/your-username/sri-lanka-railways-location-api.git

   cd sri-lanka-railways-location-api

2. Install dependencies:

   npm install

3. Set up environment variables:

   MONGO_URI=mongodb://localhost:27017/railways

   PORT=5000

4. Start the application:

   npm start

API Endpoints

• POST /location: Ingest GPS location data for a train.

• GET /location/:trainId: Retrieve the current location of a specific train.

• GET /location/history/:trainId: Retrieve historical location data for a specific train.

• GET /train-history: Retrieve CRUD operation history for trains.

• GET /location-history: Retrieve creation history logs for locations.

  

Data Retention and Cleanup

The application automatically deletes location data older than 90 days, managed by a cron job running daily at midnight.

License This project is licensed under the MIT License. See the LICENSE file for details.