62 lines
1.9 KiB
TypeScript
62 lines
1.9 KiB
TypeScript
import type { DateRange } from "@calcom/lib/date-ranges";
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import { intersect } from "@calcom/lib/date-ranges";
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import { SchedulingType } from "@calcom/prisma/enums";
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export const getAggregatedAvailability = (
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userAvailability: { dateRanges: DateRange[]; user?: { isFixed?: boolean } }[],
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schedulingType: SchedulingType | null
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): DateRange[] => {
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const fixedHosts = userAvailability.filter(
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({ user }) => !schedulingType || schedulingType === SchedulingType.COLLECTIVE || user?.isFixed
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);
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const dateRangesToIntersect = fixedHosts.map((s) => s.dateRanges);
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const unfixedHosts = userAvailability.filter(({ user }) => user?.isFixed !== true);
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if (unfixedHosts.length) {
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dateRangesToIntersect.push(unfixedHosts.flatMap((s) => s.dateRanges));
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}
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const availability = intersect(dateRangesToIntersect);
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return mergeOverlappingDateRanges(availability);
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};
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function isSameDay(date1: Date, date2: Date) {
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return (
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date1.getUTCFullYear() === date2.getUTCFullYear() &&
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date1.getUTCMonth() === date2.getUTCMonth() &&
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date1.getUTCDate() === date2.getUTCDate()
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);
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}
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function mergeOverlappingDateRanges(dateRanges: DateRange[]) {
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dateRanges.sort((a, b) => a.start.valueOf() - b.start.valueOf());
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const mergedDateRanges: DateRange[] = [];
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let currentRange = dateRanges[0];
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if (!currentRange) {
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return [];
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}
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for (let i = 1; i < dateRanges.length; i++) {
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const nextRange = dateRanges[i];
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if (
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isSameDay(currentRange.start.toDate(), nextRange.start.toDate()) &&
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currentRange.end.valueOf() > nextRange.start.valueOf()
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) {
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currentRange = {
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start: currentRange.start,
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end: currentRange.end.valueOf() > nextRange.end.valueOf() ? currentRange.end : nextRange.end,
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};
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} else {
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mergedDateRanges.push(currentRange);
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currentRange = nextRange;
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}
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}
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mergedDateRanges.push(currentRange);
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return mergedDateRanges;
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}
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