26 lines
816 B
TypeScript
26 lines
816 B
TypeScript
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import { isSameLocalCalendarDay } from '@/lib/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 appointment whose time range contains now;
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* otherwise pick 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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}
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return appointments[0].id;
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}
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