Update app.py

app.py

@@ -266,14 +266,14 @@ def feedback_ui():
             st.success("Feedback submitted successfully! Thank you for your feedback.")
 
 #section for messaging 
-# Function to get all user emails
+# Function to get all users
 def get_all_users():
     try:
-        users = auth.list_users()
-        return [user.email for user in users.iterate_all()]
+        users_ref = db_firestore.collection('users')
+        users = users_ref.get()
+        return [{"email": user.id} for user in users]  # Convert users to dictionaries with email key
     except Exception as e:
-        print(f"Failed to get all users: {str(e)}")
-        return []
+        return f"Failed to retrieve users: {str(e)}"
 
 # Streamlit interface for sending messages
 def send_message_ui():
@@ -289,7 +289,7 @@ def send_message_ui():
 def get_messages(user_email):
     try:
         messages = db_firestore.collection('messages').where('receiver_email', '==', user_email).order_by('timestamp').get()
-        return messages
+        return [message.to_dict() for message in messages]  # Convert messages to dictionaries
     except Exception as e:
         return f"Failed to retrieve messages: {str(e)}"