Update app.py

updates and correction of errors

app.py

@@ -1,13 +1,14 @@
 import streamlit as st
 import pandas as pd
 from hijri_converter import Gregorian, Hijri
+from datetime import date, timedelta
 
 # Set the title of the app
 st.title("Date Converter with Deadlines")
 
-# Add a sidebar with two options
+# Add a sidebar with radio buttons
 st.sidebar.title("Navigation")
-option = st.sidebar.selectbox(
+option = st.sidebar.radio(
     "Choose an option",
     ("Three Month Deadlines", "60 Days Deadlines")
 )
@@ -100,9 +101,9 @@ def sixty_days_deadlines():
 
     # Convert the selected Gregorian date to a Hijri date
     if year and month and day:
-        # Convert Gregorian date to Hijri
-        gregorian_date = Gregorian(year, month, day)
-        hijri_date = gregorian_date.to_hijri()
+        # Create a Gregorian date from user input
+        gregorian_date = date(year, month, day)
+        hijri_date = Gregorian(gregorian_date.year, gregorian_date.month, gregorian_date.day).to_hijri()
 
         # Add chosen start date to the data list
         date_data.append({
@@ -112,8 +113,8 @@ def sixty_days_deadlines():
         })
 
         # Calculate and store the deadline (60 days from the start date)
-        deadline_gregorian_date = gregorian_date.to_date() + pd.Timedelta(days=60)
-        deadline_hijri_date = Gregorian.fromdate(deadline_gregorian_date).to_hijri()
+        deadline_gregorian_date = gregorian_date + timedelta(days=60)
+        deadline_hijri_date = Gregorian(deadline_gregorian_date.year, deadline_gregorian_date.month, deadline_gregorian_date.day).to_hijri()
 
         date_data.append({
             "Description": "Deadline - 60 days from start date",
@@ -128,7 +129,7 @@ def sixty_days_deadlines():
         st.write("### Date Conversion Table")
         st.dataframe(df)
 
-# Sidebar navigation
+# Sidebar navigation using radio buttons
 if option == "Three Month Deadlines":
     three_month_deadlines()
 elif option == "60 Days Deadlines":