added logging.

app.py

@@ -7,6 +7,7 @@ import sqlparse
 import re
 import os
 import warnings
+from persistStorage import saveLog
 
 
 from config import *
@@ -156,7 +157,14 @@ def checkAuth(username, password):
 def respond(message, chatHistory):
   """gpt response handler for gradio ui"""
   global queryHelper
-  botMessage = queryHelper.getQueryForUserInput(message)
+  try:
+      botMessage = queryHelper.getQueryForUserInput(message)
+  except Exception as e:
+      errorMessage = {"function":"queryHelper.getQueryForUserInput","error":str(e), "userInput":message}
+      saveLog(errorMessage, 'error')
+      
+  logMessage = {"userInput":message, "queryGenerated":botMessage}
+  saveLog(logMessage)
   chatHistory.append((message, botMessage))
   time.sleep(2)
   return "", chatHistory
@@ -189,6 +197,9 @@ def testSQL(sql):
     df = pd.read_sql_query(sql, con=conn)
     return pd.DataFrame(df)
   except Exception as e:
+      errorMessage = {"function":"testSQL","error":str(e), "userInput":sql}
+      saveLog(errorMessage, 'error')
+      
       print(f"Error occured during running the query {sql}.\n and the error is {str(e)}")
         
       prompt = f"Please correct the following sql query, also it has to be run on {PLATFORM}. sql query is \n {sql}. the error occured is {str(e)}."