gtfs-bods/dist/index.js

A CLI tool for processing UK Bus Open Data Service (BODS) GTFS data - import, export, and query transit data with ease

import { importGtfs } from 'gtfs';
import { readFile } from 'fs/promises';
import path from 'node:path';
import { GTFSQueries } from './queries.js';
async function main() {
    try {
        console.log('🚀 Starting GTFS UK BODS data processing...');
        // Load configuration
        const configPath = path.resolve('./src/config.json');
        const configData = await readFile(configPath, 'utf8');
        const config = JSON.parse(configData);
        console.log('📁 Configuration loaded:', config);
        // Import GTFS data
        console.log('📥 Importing GTFS data into SQLite database...');
        console.log('⏳ This may take several minutes for large datasets...');
        await importGtfs(config);
        console.log('✅ GTFS data imported successfully!');
        console.log(`📊 Database created at: ${config.sqlitePath}`);
        // Query some basic statistics
        await displayStats();
    }
    catch (error) {
        console.error('❌ Error processing GTFS data:', error);
        process.exit(1);
    }
}
async function displayStats() {
    try {
        console.log('\n📈 Displaying database statistics...');
        // Get agencies
        const agencies = await GTFSQueries.getAllAgencies();
        console.log(`🏢 Total agencies: ${agencies.length}`);
        if (agencies.length > 0) {
            console.log('📋 Agencies:');
            agencies.forEach((agency, index) => {
                console.log(`  ${index + 1}. ${agency.agency_name} (${agency.agency_id})`);
            });
        }
        // Get routes
        const routes = await GTFSQueries.getAllRoutes();
        console.log(`🚌 Total routes: ${routes.length}`);
        // Get stops
        const stops = await GTFSQueries.getAllStops();
        console.log(`🚏 Total stops: ${stops.length}`);
        // Display sample routes
        if (routes.length > 0) {
            console.log('\n🔍 Sample routes:');
            const sampleRoutes = routes.slice(0, 5);
            sampleRoutes.forEach((route, index) => {
                console.log(`  ${index + 1}. ${route.route_short_name || route.route_id}: ${route.route_long_name || 'No description'}`);
            });
        }
        // Display sample stops
        if (stops.length > 0) {
            console.log('\n🔍 Sample stops:');
            const sampleStops = stops.slice(0, 5);
            sampleStops.forEach((stop, index) => {
                console.log(`  ${index + 1}. ${stop.stop_name} (${stop.stop_id}) - Lat: ${stop.stop_lat}, Lon: ${stop.stop_lon}`);
            });
        }
    }
    catch (error) {
        console.error('❌ Error retrieving statistics:', error);
    }
}
// Run the main function
if (import.meta.url === `file://${process.argv[1]}`) {
    main();
}
export { main, displayStats };
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