Update app.py

app.py

@@ -1,28 +1,42 @@
 from flask import Flask, request, jsonify
+import requests
 
 app = Flask(__name__)
 
+VERIFY_TOKEN = 'imseldrith'  # Replace with your verification token
+
 @app.route('/', methods=['GET'])
 def home():
     return "Welcome to the chatbot!"
 
-@app.route('/webhook', methods=['POST'])
+@app.route('/webhook', methods=['GET', 'POST'])
 def webhook():
-    data = request.get_json()
-    messaging_event = data['entry'][0]['messaging'][0]
+    if request.method == 'GET':
+        # Webhook verification
+        verify_token = request.args.get('hub.verify_token')
+        challenge = request.args.get('hub.challenge')
+
+        if verify_token == VERIFY_TOKEN:
+            return challenge
+        else:
+            return 'Error, wrong validation token'
+
+    elif request.method == 'POST':
+        data = request.get_json()
+        messaging_event = data['entry'][0]['messaging'][0]
 
-    if 'message' in messaging_event:
-        sender_id = messaging_event['sender']['id']
-        message_text = messaging_event['message'].get('text', '')
+        if 'message' in messaging_event:
+            sender_id = messaging_event['sender']['id']
+            message_text = messaging_event['message'].get('text', '')
 
-        if message_text.lower() == 'hi':
-            response_text = 'hello'
-            send_message(sender_id, response_text)
+            if message_text.lower() == 'hi':
+                response_text = 'hello'
+                send_message(sender_id, response_text)
 
-    return jsonify({'status': 'ok'})
+        return jsonify({'status': 'ok'})
 
 def send_message(recipient_id, message_text):
-    access_token = 'EAAHQjpHkOQQBO8d03L5jRIdplH7dOuYOFpTCYqVMU4QZA7HJbzP6pGICnCam6RF2zhfR7Hu8s7p5eKDH1Bjn84tm0ZBEA2CJCzu4UujsUUkGIZAuP7wNQVLs9OY34CsOixt5nkgi9zLPPFCGpAEEpo8dXZBXifQPOwGtma7FfWmP2AMpukODNfsfbv8SeA4K'  # Replace with your Facebook Page Access Token
+    access_token = 'YOUR_PAGE_ACCESS_TOKEN'  # Replace with your Facebook Page Access Token
     url = f'https://graph.facebook.com/v12.0/me/messages?access_token={access_token}'
     headers = {'Content-Type': 'application/json'}
     payload = {
@@ -32,4 +46,4 @@ def send_message(recipient_id, message_text):
     requests.post(url, headers=headers, json=payload)
 
 if __name__ == '__main__':
-    app.run(port=7860, debug=True)
+    app.run(host="0.0.0.0", port=7860, debug=True)