// Sample postcode entered by the user const userPostcode = ‘12345’; // Sample aged care provider data const agedCareProviders = [ { name: ‘Provider A’, address: ‘123 Main St, Sydney, NSW 2000’, rating: 4.5 }, { name: ‘Provider B’, address: ‘456 Elm St, Melbourne, VIC 3000’, rating: 4.2 }, { name: ‘Provider C’, address: ‘789 Oak St, Brisbane, QLD 4000’, rating: 4.7 }, // Additional aged care provider data… ]; // Calculate distance between two sets of coordinates using the Haversine formula function calculateDistance(lat1, lon1, lat2, lon2) { const earthRadiusKm = 6371; const dLat = ((lat2 – lat1) * Math.PI) / 180; const dLon = ((lon2 – lon1) * Math.PI) / 180; const a = Math.sin(dLat / 2) * Math.sin(dLat / 2) + Math.cos((lat1 * Math.PI) / 180) * Math.cos((lat2 * Math.PI) / 180) * Math.sin(dLon / 2) * Math.sin(dLon / 2); const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 – a)); const distanceKm = earthRadiusKm * c; return distanceKm; } // Sort aged care providers based on distance and rating function rankAgedCareProviders(postcode) { const userCoordinates = { lat: 0, lon: 0 }; // Get user coordinates using geocoding service // Calculate distance and add it as a property to each aged care provider const providersWithDistance = agedCareProviders.map(provider => { const providerCoordinates = { lat: 0, lon: 0 }; // Get provider coordinates using geocoding service const distance = calculateDistance(userCoordinates.lat, userCoordinates.lon, providerCoordinates.lat, providerCoordinates.lon); return { …provider, distance }; }); // Sort providers based on distance (ascending) and rating (descending) const sorted