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import streamlit as st
import pandas as pd
import os
from pathlib import Path
def home_page():
"""
Render the combined home and about page
"""
st.title("Delivery Route Optimization")
st.write("""
Welcome to the Delivery Route Optimization application! This tool helps logistics teams
optimize delivery routes for a fleet of vehicles while considering constraints such as delivery time windows,
vehicle capacity, and traffic conditions.
Use the navigation sidebar to explore different features of this application.
""")
# Quick stats from data at the top
try:
# Get data paths
root_dir = Path(__file__).resolve().parent.parent.parent
delivery_path = os.path.join(root_dir, 'data', 'delivery-data', 'delivery_data.csv')
vehicle_path = os.path.join(root_dir, 'data', 'vehicle-data', 'vehicle_data.csv')
if os.path.exists(delivery_path) and os.path.exists(vehicle_path):
# Load data for stats
delivery_data = pd.read_csv(delivery_path)
vehicle_data = pd.read_csv(vehicle_path)
# Display stats
st.subheader("Current Statistics")
col1, col2, col3 = st.columns(3)
with col1:
st.metric("Total Deliveries", len(delivery_data))
with col2:
st.metric("Total Vehicles", len(vehicle_data))
with col3:
pending = delivery_data[delivery_data['status'] == 'Pending'] if 'status' in delivery_data.columns else []
st.metric("Pending Deliveries", len(pending))
# Add more detailed stats in an expander
with st.expander("View More Statistics"):
# Status breakdown
if 'status' in delivery_data.columns:
st.write("#### Delivery Status Breakdown")
status_counts = delivery_data['status'].value_counts().reset_index()
status_counts.columns = ['Status', 'Count']
status_chart = st.bar_chart(status_counts.set_index('Status'))
# Priority breakdown
if 'priority' in delivery_data.columns:
st.write("#### Delivery Priority Breakdown")
priority_counts = delivery_data['priority'].value_counts().reset_index()
priority_counts.columns = ['Priority', 'Count']
priority_chart = st.bar_chart(priority_counts.set_index('Priority'))
else:
st.info("Please generate data first to see statistics")
st.code("python src/utils/generate_all_data.py")
except Exception as e:
st.info("Generate data first to see statistics")
st.code("python src/utils/generate_all_data.py")
# Add the image
img_path = Path(__file__).resolve().parent.parent.parent / "img" / "delivery-route-network.jpg"
if os.path.exists(img_path):
st.image(str(img_path), caption="Delivery Route Network")
# Make sure the function can be executed standalone
if __name__ == "__main__":
st.set_page_config(page_title="Home - Delivery Route Optimization", page_icon="🚚", layout="wide")
home_page() |