Update app.py

app.py

@@ -59,15 +59,30 @@ def load_menu_from_salesforce():
 
 # Filter Menu Items
 def filter_menu(preference):
+    """
+    Filters the menu items based on the given preference.
+    Preference can be "All", "Veg", or "Non-Veg".
+    """
     menu_data = load_menu_from_salesforce()
     filtered_data = []
     for item in menu_data:
-        if preference == "All" or (preference == "Veg" and item["Veg_NonVeg__c"] == "Veg") or (preference == "Non-Veg" and item["Veg_NonVeg__c"] == "Non-Veg"):
+        veg_nonveg = item.get("Veg_NonVeg__c", "").strip().lower()
+        if preference == "All":
+            filtered_data.append(item)
+        elif preference == "Veg" and veg_nonveg == "veg":
+            filtered_data.append(item)
+        elif preference == "Non-Veg" and veg_nonveg == "non-veg":
             filtered_data.append(item)
     return filtered_data
 
 # Render Menu as HTML
 def render_menu_html(menu_data):
+    """
+    Renders menu items as HTML cards in a grid layout.
+    """
+    if not menu_data:
+        return '<div style="text-align: center; font-size: 1.2em; color: gray;">No items match your filter.</div>'
+
     html_content = '<div style="display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; align-items: center; padding: 20px;">'
     for item in menu_data:
         html_content += f"""