better error handling and remove traceback logs

prom2teams/app/versions/v2/__init__.py

@@ -1,5 +1,6 @@
 import logging
 from flask_restx import Api
+from werkzeug.exceptions import HTTPException
 
 log = logging.getLogger(__name__)
 
@@ -9,6 +10,26 @@
 
 @api_v2.errorhandler
 def default_error_handler(e):
+    # Define a default error message at the start
     msg = 'An unhandled exception occurred.'
-    log.exception(msg + e)
-    return {'message': msg}, 500
+
+    # Log the full stack trace for debugging
+    # log.exception(f"{msg}: {str(e)}\n{traceback.format_exc()}")
+
+    # Customize the response based on the type of exception
+    if isinstance(e, HTTPException):
+        # Set a specific message for HTTPException
+        msg = e.description
+        # Return a dictionary for the HTTPException's description and code
+        return {'message': msg}, e.code
+    elif isinstance(e, ValueError):
+        # For ValueError, set a specific message and return a 400 Bad Request code
+        msg = 'Invalid value provided.'
+        return {'message': msg}, 400
+    elif isinstance(e, KeyError):
+        # For KeyError, set a specific message and return a 400 Bad Request code
+        msg = 'Missing required data.'
+        return {'message': msg}, 400
+    else:
+        # Generic response for other unhandled exceptions
+        return {'message': msg}, 500