Update app.py

app.py

@@ -266,18 +266,24 @@ def feedback_ui():
             st.success("Feedback submitted successfully! Thank you for your feedback.")
 
 #section for messaging 
-# Function to send a message
-def send_message(sender_email, receiver_email, message_content):
+# Function to get all user emails
+def get_all_users():
     try:
-        db_firestore.collection('messages').add({
-            'sender_email': sender_email,
-            'receiver_email': receiver_email,
-            'message_content': message_content,
-            'timestamp': firestore.SERVER_TIMESTAMP
-        })
-        return "Message sent successfully."
+        users = auth.list_users()
+        return [user.email for user in users.iterate_all()]
     except Exception as e:
-        return f"Failed to send message: {str(e)}"
+        print(f"Failed to get all users: {str(e)}")
+        return []
+
+# Streamlit interface for sending messages
+def send_message_ui():
+    st.title("Send Message")
+    sender_email = st.session_state.auth_state["user"].email
+    receiver_email = st.selectbox("Receiver's Email", get_all_users())
+    message_content = st.text_area("Message Content")
+    if st.button("Send Message"):
+        result = send_message(sender_email, receiver_email, message_content)
+        st.write(result)
 
 # Function to retrieve messages for a user
 def get_messages(user_email):
@@ -303,8 +309,9 @@ def view_messages_ui():
     user_email = st.session_state.auth_state["user"].email
     messages = get_messages(user_email)
     for message in messages:
-        st.write(f"From: {message['sender_email']}")
-        st.write(f"Message: {message['message_content']}")
+        message_dict = message.to_dict()
+        st.write(f"From: {message_dict['sender_email']}")
+        st.write(f"Message: {message_dict['message_content']}")
         st.write("---")
 #end of messaging section