fegger
9e461aab1a
Switch mobile app to dark theme and fix calendar filtering - Default to dark theme in mobile app, matching web app style - Filter native calendar events by location to exclude empty ones - Add batch edit panel for destinations on web calendar - Add edit support to AddEventModal - Update notification trigger input type export
64 lines
2.2 KiB
TypeScript
64 lines
2.2 KiB
TypeScript
import { useMemo } from 'react';
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import type { Journey } from '@timetoleave/core';
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interface DepartureTimeResult {
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departureTime: Date | null;
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arrivalTime: Date | null;
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mode: 'train' | 'bike' | null;
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}
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/**
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* Calculate departure time based on selected transport mode.
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* Mirrors the web app's useDepartureTime hook.
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*/
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export function useDepartureTime(
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eventTime: Date,
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journeys: Journey[] | null,
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bikeDurationSeconds: number | null,
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activeMode: 'train' | 'bike' | null,
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arrivalBufferMinutes: number,
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): DepartureTimeResult {
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return useMemo(() => {
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// Calculate target arrival time (event time minus buffer)
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const targetArrivalTime = new Date(eventTime);
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targetArrivalTime.setMinutes(targetArrivalTime.getMinutes() - arrivalBufferMinutes);
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// Filter out cancelled journeys
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const validJourneys = journeys?.filter((journey) => !journey.cancelled) || [];
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let departureTime: Date | null = null;
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let arrivalTime: Date | null = null;
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let mode: 'train' | 'bike' | null = null;
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if (activeMode === 'train' && validJourneys.length > 0) {
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// Find journeys that arrive by target time
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const onTimeJourneys = validJourneys.filter(
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(journey) => journey.rA.getTime() <= targetArrivalTime.getTime(),
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);
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if (onTimeJourneys.length > 0) {
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// Pick the journey with the latest departure that still arrives on time
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const bestJourney = onTimeJourneys.reduce((latest, current) =>
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current.rD.getTime() > latest.rD.getTime() ? current : latest,
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);
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departureTime = new Date(bestJourney.rD);
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arrivalTime = new Date(bestJourney.rA);
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mode = 'train';
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}
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}
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if (activeMode === 'bike' && bikeDurationSeconds !== null && bikeDurationSeconds > 0) {
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const bikeDurationMs = bikeDurationSeconds * 1000;
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const totalBufferMs = arrivalBufferMinutes * 60 * 1000;
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const targetArrivalMs = eventTime.getTime() - totalBufferMs;
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departureTime = new Date(targetArrivalMs - bikeDurationMs);
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arrivalTime = new Date(targetArrivalMs);
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mode = 'bike';
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}
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return { departureTime, arrivalTime, mode };
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}, [eventTime, journeys, bikeDurationSeconds, activeMode, arrivalBufferMinutes]);
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}
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