Files
UT-Registration-Plus/src/views/hooks/useSchedules.ts
2024-01-24 19:40:30 -06:00

37 lines
1.5 KiB
TypeScript

import { UserScheduleStore } from '@shared/storage/UserScheduleStore';
import { UserSchedule } from '@shared/types/UserSchedule';
import { useEffect, useState } from 'react';
export default function useSchedules(): [active: UserSchedule | null, schedules: UserSchedule[]] {
const [schedules, setSchedules] = useState<UserSchedule[]>([]);
const [activeIndex, setActiveIndex] = useState<number>(0);
const [activeSchedule, setActiveSchedule] = useState<UserSchedule | null>(null);
useEffect(() => {
Promise.all([UserScheduleStore.get('schedules'), UserScheduleStore.get('activeIndex')]).then(
([schedules, activeIndex]) => {
setSchedules(schedules.map(s => new UserSchedule(s)));
setActiveIndex(activeIndex);
setActiveSchedule(new UserSchedule(schedules[activeIndex]));
}
);
const l1 = UserScheduleStore.listen('schedules', ({ newValue }) => {
setSchedules(newValue.map(s => new UserSchedule(s)));
setActiveSchedule(new UserSchedule(newValue[activeIndex]));
});
const l2 = UserScheduleStore.listen('activeIndex', ({ newValue }) => {
setActiveIndex(newValue);
setActiveSchedule(new UserSchedule(schedules[newValue]));
});
return () => {
UserScheduleStore.removeListener(l1);
UserScheduleStore.removeListener(l2);
};
}, []);
return [activeSchedule, schedules];
}