LuzAPI Telegram Bot

Telegram bot for fetching data from the ESIOS API with caching and user authentication via Telegram token. Supports deployment on AWS Lambda.

📦 Features

• Commands:
  • /login — register user and create a token
  • /getdata — fetch data from ESIOS API
  • /help — show available commands
• In-memory and PostgreSQL caching
• AWS Lambda support
• Telegram webhook integration

⚙️ Installation

git clone https://github.com/username/luzapi.git cd luzapi npm install

Create a .env file: TELEGRAM_BOT_TOKEN=your_telegram_bot_token API_KEY=your_esios_api_key DB_URL=postgresql://user:password@host:port/dbname 🚀 Usage

Local Development npm run dev:bot

Commands /login → register user /getdata → fetch ESIOS data /help → list commands AWS Lambda Deployment Create Lambda function with Node.js 22.x.

Use lambdaFunction.ts as handler.

Configure API Gateway HTTP endpoint.

Set Telegram webhook:

https://api.telegram.org/bot<YOUR_BOT_TOKEN>/setWebhook?url=<LAMBDA_URL> Check webhook status: npm run check-webhook

⚠️ Notes In-memory cache exists only while the Node.js process runs.

Use PostgreSQL for long-term caching.

Ensure Telegram token and ESIOS API_KEY are valid.