43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
import { isSameLocalCalendarDay } from '@/components/appointments/appointmentTime';
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import type { TreatmentAppointment } from '@/types/treatment';
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/**
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* For the selected calendar day: if it is today, pick the in-progress appointment,
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* otherwise the appointment whose start time is nearest to now; on other days pick
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* the first appointment of that day. Returns null when there are no appointments.
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*/
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export function pickAutoAppointment(
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appointments: TreatmentAppointment[],
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selectedDay: Date,
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): string | null {
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if (appointments.length === 0) return null;
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const now = new Date();
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if (isSameLocalCalendarDay(selectedDay, now)) {
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const t = now.getTime();
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for (const a of appointments) {
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const s = new Date(a.startAt).getTime();
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const e = new Date(a.endAt).getTime();
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if (t >= s && t <= e) return a.id;
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}
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let nearest = appointments[0];
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let nearestDistance = Math.abs(new Date(nearest.startAt).getTime() - t);
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for (const appointment of appointments.slice(1)) {
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const distance = Math.abs(new Date(appointment.startAt).getTime() - t);
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if (distance < nearestDistance) {
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nearest = appointment;
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nearestDistance = distance;
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}
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}
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return nearest.id;
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}
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return appointments[0].id;
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}
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export function treatmentAppointmentHref(appointmentId?: string): string {
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if (!appointmentId) return '/treatment';
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return `/treatment?appointmentId=${encodeURIComponent(appointmentId)}`;
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}
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