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# live_poll_feature.py
import streamlit as st
import pandas as pd
from datetime import datetime
from poll_db_operations import PollDatabase
class LivePollFeature:
def __init__(self):
self.db = PollDatabase()
def display_faculty_interface(self, session_id):
"""Display the faculty interface for managing polls"""
st.subheader("Live Polls Management")
# Create new poll
with st.expander("Create New Poll", expanded=False):
question = st.text_input("Poll Question")
num_options = st.number_input("Number of Options",
min_value=2,
max_value=6,
value=4)
options = []
for i in range(num_options):
option = st.text_input(f"Option {i+1}",
key=f"option_{i}")
if option:
options.append(option)
if st.button("Create Poll") and question and len(options) >= 2:
self.db.create_poll(
st.session_state.selected_course,
session_id,
question,
options,
st.session_state.user_id
)
st.success("Poll created successfully!")
st.rerun()
# Display active polls
active_polls = self.db.get_active_polls(session_id)
if active_polls:
st.subheader("Active Polls")
for poll in active_polls:
with st.expander(f"Poll: {poll['question']}", expanded=True):
# Display results
self._display_poll_results(poll)
if st.button("Close Poll",
key=f"close_{str(poll['_id'])}"):
self.db.close_poll(poll['_id'])
st.success("Poll closed successfully!")
st.rerun()
def display_student_interface(self, session_id):
"""Display the student interface for participating in polls"""
st.subheader("Live Polls")
active_polls = self.db.get_active_polls(session_id)
if not active_polls:
st.info("No active polls at the moment.")
return
for poll in active_polls:
with st.expander(f"Poll: {poll['question']}", expanded=True):
selected_option = st.radio(
"Your response:",
options=poll['options'],
key=f"poll_{str(poll['_id'])}"
)
if st.button("Submit Response",
key=f"submit_{str(poll['_id'])}"):
success, message = self.db.submit_response(
poll['_id'],
st.session_state.user_id,
selected_option
)
if success:
st.success(message)
else:
st.warning(message)
st.rerun()
# self._display_poll_results(poll)
def _display_poll_results(self, poll):
"""Helper method to display poll results"""
responses_df = pd.DataFrame(
list(poll['responses'].items()),
columns=['Option', 'Votes']
)
total_votes = responses_df['Votes'].sum()
# Calculate percentages
if total_votes > 0:
responses_df['Percentage'] = (
responses_df['Votes'] / total_votes * 100
).round(1)
else:
responses_df['Percentage'] = 0
# Display metrics
st.metric("Total Responses", total_votes)
# Display charts
st.bar_chart(responses_df.set_index('Option')['Votes'])
# Display detailed statistics
if st.session_state.user_type == 'faculty':
st.dataframe(responses_df) |