Refactor send_webhook function to improve logging

discord_reminder_bot/main.py

@@ -1165,14 +1165,15 @@ def send_webhook(custom_url: str = "", message: str = "") -> None:
         custom_url: The custom webhook URL to send the message to. If not provided, uses the WEBHOOK_URL environment variable.
         message: The message that will be sent to Discord.
     """
-    logger.info(f"Sending webhook to '{custom_url}' with message: '{message}'")
+    webhook_url: str = os.getenv("WEBHOOK_URL", default="")
+    url: str = custom_url or webhook_url
+
+    logger.info(f"Sending webhook to '{url}' with message: '{message}'")
 
     if not message:
         logger.error("No message provided.")
         message = "No message provided."
 
-    webhook_url: str = os.getenv("WEBHOOK_URL", default="")
-    url: str = custom_url or webhook_url
     if not url:
         logger.error("No webhook URL provided.")
         return