app.py

import streamlit as st
import pandas as pd

# Placeholder data structures (replace with actual data sources)
drivers = pd.DataFrame(columns=['driver_id', 'name', 'location', 'availability'])
orders = pd.DataFrame(columns=['order_id', 'pickup_location', 'dropoff_location', 'status'])
zones = pd.DataFrame(columns=['zone_id', 'pressure_level']) 

st.title("Dispatch Call Management")

# Sidebar for navigation
st.sidebar.header("Navigation")
selected_page = st.sidebar.radio("Go to", ["Order Management", "Driver Management", "Zone Monitoring", "Analytics"])

# Order Management page
if selected_page == "Order Management":
    st.subheader("Order Management")
    # Display order list, allow creating new orders, updating status, etc.
    st.write(orders)

# Driver Management page
elif selected_page == "Driver Management":
    st.subheader("Driver Management")
    # Display driver list, their locations, availability, allow assigning orders
    st.write(drivers)

# Zone Monitoring page
elif selected_page == "Zone Monitoring":
    st.subheader("Dynamic Zone Pressure Monitoring")
    # Visualize zone pressure (e.g., using a heatmap), consider pickup/drop-off scheduling
    st.write(zones)

# Analytics Dashboard page
elif selected_page == "Analytics":
    st.subheader("Analytics Dashboard")
    # Display key performance indicators, delivery times, customer satisfaction, etc.