Update app.py

app.py

@@ -1,14 +1,79 @@
-from fastapi import FastAPI
-import os
-app = FastAPI()
+from fastapi import FastAPI, Request, Response  # Import FastAPI classes for creating the web app and handling requests/responses
+# from async_tgvoicebot import handle_message    # Import the asynchronous function to handle incoming Telegram messages
+import aiohttp                                 # Import aiohttp for making asynchronous HTTP requests
+import os                                      # Import os module to access environment variables
+import logging
+
+app = FastAPI()                                 # Initialize a FastAPI application instance
+
+# Configure logging
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
 
 # Retrieve the Telegram bot token from environment variables
 TELEGRAM_BOT_TOKEN = os.environ.get('TELEGRAM_BOT_TOKEN')
 # Retrieve the secret token for webhook security from environment variables
 SECRET_TOKEN = os.environ.get('SECRET_TOKEN')
 
+print(TELEGRAM_BOT_TOKEN)
+print(SECRET_TOKEN)
+
 
+@app.post("/webhook")
+async def webhook(request: Request):
+    """
+    Endpoint to receive webhook updates from Telegram.
+    Only processes the update if the secret token matches (if provided).
+    """
+    try:
+        # Check if a secret token is set for additional security
+        if SECRET_TOKEN:
+            # Compare the secret token in the request headers with the expected SECRET_TOKEN
+            if request.headers.get('X-Telegram-Bot-Api-Secret-Token') != SECRET_TOKEN:
+                # If tokens do not match, respond with 403 Forbidden status
+                return Response(status_code=403)
+
+        # Parse the incoming JSON payload from the request
+        update = await request.json()
+        # Create an asynchronous HTTP session
+        async with aiohttp.ClientSession() as session:
+            # Call the handle_message function with the current session and the message part of the update
+            # await handle_message(session, update.get('message', {}))
+            pass
+        # Respond to Telegram that the update was received and processed successfully
+        logger.info("Received webhook request")
+        return {"status": "ok"}
+    except Exception as e:
+        logger.error(f"Error processing webhook: {e}")
+        return Response(status_code=500)
 
 @app.get("/")
-def greet_json():
-    return {"hello":"testing"}
+async def root():
+    """
+    Root endpoint to confirm that the Telegram Bot is running.
+    """
+    # Return a simple JSON message indicating the bot's status
+    return {"message": "Telegram Bot is running"}
+
+# Endpoint to set webhook
+@app.get("/set_webhook")
+async def set_webhook():
+    """
+    Endpoint to set the Telegram webhook to the specified URL.
+    This should be called after deploying the bot to ensure Telegram sends updates to the correct endpoint.
+    """
+    # Construct the webhook URL using the SPACE_ID environment variable
+    webhook_url = f"https://{os.environ.get('SPACE_ID')}.hf.space/webhook"
+    # Telegram API URL to set the webhook
+    set_webhook_url = f"https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/setWebhook"
+    # Payload containing the webhook URL and the secret token for security
+    payload = {
+        "url": webhook_url,
+        "secret_token": SECRET_TOKEN
+    }
+    # Create an asynchronous HTTP session
+    async with aiohttp.ClientSession() as session:
+        # Send a POST request to Telegram's setWebhook API with the payload
+        async with session.post(set_webhook_url, json=payload) as response:
+            # Await and return the JSON response from Telegram confirming the webhook setup
+            return await response.json()