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From Telegram

Telegram News API

API for retrieving news from a Telegram channel. Automatically saves all messages from the channel and provides them via REST API.

Features​

  • Automatic retrieval of new messages from the channel
  • Persistence of messages between restarts
  • REST API for fetching messages
  • Docker support
  • Automatic restart on failures

Installation​

Standard Installation​

  1. Clone the repository
  2. Install dependencies:
npm install
  1. Copy the .env.example file to .env and fill in the necessary environment variables:
BOT_TOKEN=your_bot_token
CHANNEL_USERNAME=@your_channel
PORT=3000

Docker Installation​

  1. Clone the repository
  2. Create a .env file with the required environment variables (as described above)
  3. Run via Docker Compose:
docker-compose up -d

To update the container:

docker-compose build && docker-compose up -d

Running​

Standard Run​

For development:

npm run dev

For production:

npm start

Docker Run​

Start:

docker compose up -d

View logs:

docker compose logs -f

Stop:

docker compose down

API Endpoints​

GET /api/news​

Returns a list of news from the Telegram channel.

Response format:

{
  "success": true,
  "total": 10,
  "data": [
    {
      "title": "News Title",
      "content": "News Content",
      "date": "2024-01-01T12:00:00.000Z",
      "type": "text",
      "channel": "Channel Name",
      "messageId": 123
    }
  ]
}

Data Storage​

  • In a standard installation, messages are saved to the messages.json file in the project root.
  • In a Docker installation, the messages.json file is mounted as a volume to persist data between container restarts.

Requirements​

  • Node.js 18 or higher
  • For Docker installation: Docker and Docker Compose

Troubleshooting​

  1. Ensure the bot is added to the channel as an administrator.
  2. Verify the bot token and channel name in .env.
  3. If using Docker, check the logs: docker compose logs -f.
  4. Ensure the messages.json file is writable.