Overview

This file sets up an Express application that serves content from various APIs. It imports necessary modules, initializes the Express application, and configures middleware.

Imports

• express: The Express framework for building web applications.
• fetchContent: A helper function to fetch content from a specified API.
• fetchContentAndTranslate: A helper function to fetch content from a specified API and translate it.

Variables

• app: An instance of the Express application.
• port: The port number on which the server will listen. It defaults to 8000 if the PORT environment variable is not set.
• contentApis: An object that will hold the API URLs and their corresponding ISO 639-2 language codes.

Middleware

• app.use(express.json()): Adds middleware to parse incoming JSON requests.

Example Usage

To start the server, you would typically run a command like node index.js or use a task runner like nodemon for development.

API

GET /unified-content Fetches unified content from multiple sources defined in the contentApis array.

GET /lang/:lang lang (string): The language code ( ISO 639-2 ) to fetch content for.

Endpoint: GET /translate/:lang lang (string): The language code ( ISO 639-2 ) to fetch and translate content for.

Prerequisites

• Node.js
• npm (Node Package Manager)

Installation

1. Clone the repository:

   git clone <repository-url>

2. Navigate to the project directory:

   cd <project-directory>

3. Install the dependencies:

   npm install

Usage

1. Start the server:

   npm start

2. The server will run on the port specified in the PORT environment variable or default to 8000.

Project Structure

• index.ts: The main entry point of the application.
• helpers/fetchContent.ts: Helper function to fetch content from a specified API.
• helpers/fetchContentAndTranslate.ts: Helper function to fetch content from a specified API and translate it.

Environment Variables

• PORT: The port number on which the server will listen (default is 8000).

Example

To start the server, run:

npm start