Fixed notification handling

whatsapp_api_webhook_server_python/webhooks.py

@@ -1,14 +1,16 @@
-import json
+from json import JSONDecodeError, loads
+from typing import Any, Callable, Optional
 
 
-class Webhooks():
+def handle_notification(
+        notification: Optional[bytes],
+        notification_handler: Callable[[str, dict], Any]
+) -> None:
+    try:
+        data = loads(notification)
+    except JSONDecodeError:
+        return None
 
-    def webhookProccessing(dataText, onEvent):
-        try:
-            data = json.loads(dataText)
-        except Exception as error:
-            print(error)
+    webhook_type = data["typeWebhook"]
 
-            return
-        typeWebhook = data['typeWebhook']
-        onEvent(typeWebhook, data)
+    notification_handler(webhook_type, data)

whatsapp_api_webhook_server_python/webhooksHandler.py

@@ -1,34 +1,27 @@
 import tornado.ioloop
 import tornado.web
 
-from whatsapp_api_webhook_server_python.webhooks import Webhooks
+from .webhooks import handle_notification
 
 
 class WebhooksHandler(tornado.web.RequestHandler):
-
     def get(self):
         length = self.request.headers.get('Content-Length')
         if length is not None:
-            dataBytes = self.request.body
-            dataText = dataBytes.decode("utf-8", 'ignore')
-            Webhooks.webhookProccessing(dataText, self.onEvent)
+            handle_notification(self.request.body, self.onEvent)
         else:
             self.set_status(200)
             self.set_header('Content-type', 'text/html')
 
     def post(self):
         length = self.request.headers.get('Content-Length')
         if length is not None:
-            dataBytes = self.request.body
-            dataText = dataBytes.decode("utf-8", 'ignore')
-            Webhooks.webhookProccessing(dataText, self.onEvent)
+            handle_notification(self.request.body, self.onEvent)
 
     def delete(self):
         length = self.request.headers.get('Content-Length')
         if length is not None:
-            dataBytes = self.request.body
-            dataText = dataBytes.decode("utf-8", 'ignore')
-            Webhooks.webhookProccessing(dataText, self.onEvent)
+            handle_notification(self.request.body, self.onEvent)
 
 
 class Application(tornado.web.Application):