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Maurice
30 lines
1.2 KiB
TypeScript
30 lines
1.2 KiB
TypeScript
import type { DistanceUnit, RouteSegment } from '../../types';
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import { foldViaLegs, viasOnDayLeg, type DayViaLookup } from '../../utils/dayRouteVias';
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import { calculateRouteWithLegs } from './RouteCalculator';
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/** One end of a leg: a planned stop carries its assignment, which the vias are filed against. */
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export type LegEnd = { lat: number; lng: number; assignmentId?: number };
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/**
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* The drive between two points of a day as one leg, bent through the road trip's vias
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* between them and tagged with the mode it was routed in. Undefined when the router has
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* no road for it.
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*/
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export async function routeLeg(
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from: LegEnd,
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to: LegEnd,
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lookup: DayViaLookup | null,
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options: Parameters<typeof calculateRouteWithLegs>[1] & { profile: string; dayId: number },
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unit: DistanceUnit | undefined
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): Promise<RouteSegment | undefined> {
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const vias = viasOnDayLeg(lookup, options.dayId, options.profile, from, to);
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try {
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const waypoints = [from, ...vias, to].map((p) => ({ lat: p.lat, lng: p.lng }));
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const r = await calculateRouteWithLegs(waypoints, options);
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const leg = foldViaLegs(r.legs, [0, vias.length + 1], unit)[0];
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return leg ? { ...leg, mode: options.profile } : undefined;
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} catch {
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return undefined;
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}
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}
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