rpi-tg-imagebot.py

#!/bin/bash

# Telegram Bot Token
TOKEN="6830599987:AAHWoCdShN_potBq7xP6BxR52nuDyf10pT8"

# Telegram Bot API URL
API_URL="https://api.telegram.org/bot$TOKEN"

# Function to send photo to Telegram
send_photo() {
    curl -s -X POST "$API_URL/sendPhoto" -F chat_id="$1" -F photo=@"$2"
}

# Function to delete file
delete_file() {
    rm -f "$1"
}

# Main function
main() {
    offset=0
    while true; do
        # Get updates from Telegram
        updates=$(curl -s "$API_URL/getUpdates?offset=$offset")

        # Check if updates are empty
        if [[ "$updates" == '{"ok":true,"result":[]}' ]]; then
            continue
        fi

        # Extract messages
        messages=$(echo "$updates" | sed -n 's/^.*"message":{\([^}]*\)}.*/\1/p')

        # Process each message
        while IFS= read -r message; do
            chat_id=$(echo "$message" | sed -n 's/^.*"chat":{"id":\([^,}]*\).*/\1/p')

            # Log incoming message
            echo "Received message"

            # Download image
            echo "Downloading image..."
            curl -s http://192.168.137.248:8080/photo.jpg -o photo.jpg

            # Send photo
            echo "Sending photo..."
            send_photo "$chat_id" "photo.jpg"

            # Delete image file
            echo "Deleting image..."
            delete_file "photo.jpg"
        done <<< "$messages"

        # Update offset
        offset=$(echo "$updates" | sed -n 's/^.*"update_id":\([^,}]*\).*/\1/p' | tail -n 1)
        ((offset++))
    done
}

# Start the script
main