Initial commit - SaveTheMoment Atlas Basis-Setup
This commit is contained in:
Dennis Forte
233
lib/google-maps.ts
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233
lib/google-maps.ts
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const GOOGLE_MAPS_API_KEY = process.env.GOOGLE_MAPS_API_KEY || '';
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interface Stop {
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eventAddress: string;
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eventCity: string;
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eventZip: string;
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setupTimeStart: Date;
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setupTimeLatest?: Date;
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}
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interface RouteResult {
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optimizedOrder: number[];
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totalDistance: number;
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totalDuration: number;
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waypoints: Array<{
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address: string;
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lat: number;
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lng: number;
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arrivalTime?: string;
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setupWindow?: string;
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}>;
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}
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export async function optimizeRouteBySchedule(stops: Stop[]): Promise<RouteResult> {
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if (!GOOGLE_MAPS_API_KEY) {
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throw new Error('Google Maps API key not configured');
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}
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if (stops.length === 0) {
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return {
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optimizedOrder: [],
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totalDistance: 0,
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totalDuration: 0,
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waypoints: [],
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};
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}
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const stopsWithTimes = stops.map((stop, index) => ({
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...stop,
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index,
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setupStart: new Date(stop.setupTimeStart),
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setupLatest: stop.setupTimeLatest ? new Date(stop.setupTimeLatest) : null,
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}));
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stopsWithTimes.sort((a, b) => a.setupStart.getTime() - b.setupStart.getTime());
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const sortedIndices = stopsWithTimes.map(s => s.index);
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let totalDistance = 0;
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let totalDuration = 0;
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const waypoints: RouteResult['waypoints'] = [];
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for (let i = 0; i < stopsWithTimes.length; i++) {
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const stop = stopsWithTimes[i];
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const address = `${stop.eventAddress}, ${stop.eventZip} ${stop.eventCity}`;
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const geocoded = await geocodeAddress(address);
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const setupWindow = stop.setupLatest
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? `${stop.setupStart.toLocaleTimeString('de-DE', { hour: '2-digit', minute: '2-digit' })} - ${stop.setupLatest.toLocaleTimeString('de-DE', { hour: '2-digit', minute: '2-digit' })}`
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: `ab ${stop.setupStart.toLocaleTimeString('de-DE', { hour: '2-digit', minute: '2-digit' })}`;
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waypoints.push({
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address: `${stop.eventAddress}, ${stop.eventCity}`,
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lat: geocoded.lat,
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lng: geocoded.lng,
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setupWindow,
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});
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if (i > 0) {
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const prevStop = stopsWithTimes[i - 1];
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const origin = `${prevStop.eventAddress}, ${prevStop.eventZip} ${prevStop.eventCity}`;
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const destination = address;
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const { distance, duration } = await calculateDistance(origin, destination);
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totalDistance += distance;
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totalDuration += duration;
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}
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}
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return {
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optimizedOrder: sortedIndices,
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totalDistance,
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totalDuration,
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waypoints,
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};
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}
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export async function optimizeRoute(stops: Stop[]): Promise<RouteResult> {
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if (!GOOGLE_MAPS_API_KEY) {
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throw new Error('Google Maps API key not configured');
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}
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if (stops.length === 0) {
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return {
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optimizedOrder: [],
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totalDistance: 0,
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totalDuration: 0,
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waypoints: [],
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};
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}
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if (stops.length === 1) {
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const geocoded = await geocodeAddress(
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`${stops[0].eventAddress}, ${stops[0].eventZip} ${stops[0].eventCity}`
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);
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return {
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optimizedOrder: [0],
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totalDistance: 0,
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totalDuration: 0,
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waypoints: [
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{
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address: `${stops[0].eventAddress}, ${stops[0].eventCity}`,
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lat: geocoded.lat,
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lng: geocoded.lng,
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},
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],
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};
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}
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const origin = `${stops[0].eventAddress}, ${stops[0].eventZip} ${stops[0].eventCity}`;
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const destination = `${stops[stops.length - 1].eventAddress}, ${stops[stops.length - 1].eventZip} ${stops[stops.length - 1].eventCity}`;
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const waypoints = stops.slice(1, -1).map(stop =>
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`${stop.eventAddress}, ${stop.eventZip} ${stop.eventCity}`
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);
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const url = new URL('https://maps.googleapis.com/maps/api/directions/json');
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url.searchParams.append('origin', origin);
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url.searchParams.append('destination', destination);
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if (waypoints.length > 0) {
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url.searchParams.append('waypoints', `optimize:true|${waypoints.join('|')}`);
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}
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url.searchParams.append('key', GOOGLE_MAPS_API_KEY);
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url.searchParams.append('mode', 'driving');
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url.searchParams.append('language', 'de');
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const response = await fetch(url.toString());
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if (!response.ok) {
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throw new Error(`Google Maps API error: ${response.statusText}`);
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}
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const data = await response.json();
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if (data.status !== 'OK') {
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throw new Error(`Google Maps API returned status: ${data.status}`);
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}
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const route = data.routes[0];
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const waypointOrder = route.waypoint_order || [];
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const optimizedOrder = [
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0,
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...waypointOrder.map((i: number) => i + 1),
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stops.length - 1,
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];
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let totalDistance = 0;
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let totalDuration = 0;
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route.legs.forEach((leg: any) => {
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totalDistance += leg.distance.value;
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totalDuration += leg.duration.value;
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});
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const waypointsData = await Promise.all(
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stops.map(async (stop, index) => {
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const address = `${stop.eventAddress}, ${stop.eventZip} ${stop.eventCity}`;
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const geocoded = await geocodeAddress(address);
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return {
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address: `${stop.eventAddress}, ${stop.eventCity}`,
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lat: geocoded.lat,
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lng: geocoded.lng,
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};
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})
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);
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return {
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optimizedOrder,
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totalDistance: Math.round(totalDistance / 1000),
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totalDuration: Math.round(totalDuration / 60),
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waypoints: waypointsData,
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};
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}
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async function geocodeAddress(address: string): Promise<{ lat: number; lng: number }> {
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const url = new URL('https://maps.googleapis.com/maps/api/geocode/json');
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url.searchParams.append('address', address);
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url.searchParams.append('key', GOOGLE_MAPS_API_KEY);
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url.searchParams.append('language', 'de');
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const response = await fetch(url.toString());
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const data = await response.json();
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if (data.status === 'OK' && data.results.length > 0) {
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const location = data.results[0].geometry.location;
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return {
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lat: location.lat,
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lng: location.lng,
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};
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}
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return { lat: 0, lng: 0 };
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}
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export async function calculateDistance(
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origin: string,
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destination: string
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): Promise<{ distance: number; duration: number }> {
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if (!GOOGLE_MAPS_API_KEY) {
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throw new Error('Google Maps API key not configured');
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}
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const url = new URL('https://maps.googleapis.com/maps/api/distancematrix/json');
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url.searchParams.append('origins', origin);
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url.searchParams.append('destinations', destination);
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url.searchParams.append('key', GOOGLE_MAPS_API_KEY);
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url.searchParams.append('mode', 'driving');
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url.searchParams.append('language', 'de');
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const response = await fetch(url.toString());
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const data = await response.json();
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if (data.status === 'OK' && data.rows[0].elements[0].status === 'OK') {
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const element = data.rows[0].elements[0];
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return {
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distance: Math.round(element.distance.value / 1000),
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duration: Math.round(element.duration.value / 60),
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};
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}
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return { distance: 0, duration: 0 };
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}
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