mirror of
https://github.com/multipleof4/lynchmark.git
synced 2026-01-14 16:47:55 +00:00
48 lines
1.8 KiB
JavaScript
48 lines
1.8 KiB
JavaScript
async function findAvailableSlots(c1, c2, con) {
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const {DateTime, Interval} = await import('https://cdn.jsdelivr.net/npm/luxon@3.4.4/+esm');
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const st = DateTime.fromISO(con.searchRange.start, {zone:'utc'});
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const ed = DateTime.fromISO(con.searchRange.end, {zone:'utc'});
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const sr = Interval.fromDateTimes(st, ed);
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let bs = [...c1, ...c2].map(({start, end}) => Interval.fromDateTimes(
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DateTime.fromISO(start, {zone:'utc'}),
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DateTime.fromISO(end, {zone:'utc'})
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));
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let cur = st.startOf('day');
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const [wh, wm] = con.workHours.start.split(':').map(Number);
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const [eh, em] = con.workHours.end.split(':').map(Number);
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while (cur <= ed) {
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const ws = cur.set({hour: wh, minute: wm});
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const we = cur.set({hour: eh, minute: em});
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if (cur < ws) bs.push(Interval.fromDateTimes(cur, ws));
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const eod = cur.endOf('day');
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if (we < eod) bs.push(Interval.fromDateTimes(we, eod));
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cur = cur.plus({days:1}).startOf('day');
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}
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let mb = Interval.merge(bs).sort((a,b) => a.start.toMillis() - b.start.toMillis());
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let rb = mb.filter(i => i.overlaps(sr));
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let free = [];
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if (rb.length === 0) {
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free.push(sr);
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} else {
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if (sr.start < rb[0].start) free.push(Interval.fromDateTimes(sr.start, rb[0].start));
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for (let i = 0; i < rb.length - 1; i++) {
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free.push(Interval.fromDateTimes(rb[i].end, rb[i + 1].start));
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}
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if (rb[rb.length - 1].end < sr.end) free.push(Interval.fromDateTimes(rb[rb.length - 1].end, sr.end));
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}
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const dur = con.durationMinutes;
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let av = [];
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for (let f of free) {
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let cs = f.start;
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while (true) {
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let ce = cs.plus({minutes: dur});
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if (ce > f.end) break;
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av.push({start: cs.toISO(), end: ce.toISO()});
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cs = ce;
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}
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}
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return av;
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}
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export default findAvailableSlots;
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// Generation time: 201.779s
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// Result: PASS
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