joshuaandClaude Opus 5.5
c79b74bc67
Events can run over several sessions: per-session check-in with a whole-day or session-time window, late joining with pro-rata or fixed late pricing, an attendance register (Excel/PDF), session reminders, and completion certificates (four templates, public verify page). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
57 lines
2.1 KiB
JavaScript
57 lines
2.1 KiB
JavaScript
const { createEvent, createEvents } = require('ics');
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// Event.startDate/endDate are stored as true UTC instants (the admin event form's
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// datetime-local input is parsed in the browser's local time before being sent as an
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// ISO string), so serializing them as UTC here requires no timezone math and lets every
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// viewer's calendar app localize correctly to *their own* timezone.
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function toUtcArray(date) {
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const d = new Date(date);
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return [d.getUTCFullYear(), d.getUTCMonth() + 1, d.getUTCDate(), d.getUTCHours(), d.getUTCMinutes()];
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}
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function icsEntry(event, eventUrl, { start, end, title, location }) {
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return {
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title,
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start: toUtcArray(start),
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end: toUtcArray(end),
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startInputType: 'utc',
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endInputType: 'utc',
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startOutputType: 'utc',
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endOutputType: 'utc',
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location: location || event.location || undefined,
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description: event.description || undefined,
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url: eventUrl,
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};
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}
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/**
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* Build an RFC 5545 .ics file (as a string) for an event. A multi-session event gets one
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* calendar entry per session that isn't cancelled (not a repeat rule, so moved or skipped
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* sessions are exact).
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*
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* @param {object} event - Prisma Event row: title, description?, startDate, endDate, location?,
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* scheduleType?, sessions?[]
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* @param {string} eventUrl - absolute URL to the event's public page
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* @returns {string}
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*/
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function buildEventIcs(event, eventUrl) {
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const sessions = event.scheduleType === 'sessions'
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? (event.sessions || []).filter(s => !s.cancelledAt).sort((a, b) => new Date(a.startsAt) - new Date(b.startsAt))
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: [];
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if (sessions.length > 0) {
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const { error, value } = createEvents(sessions.map((s, i) => icsEntry(event, eventUrl, {
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start: s.startsAt,
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end: s.endsAt,
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title: `${event.title} — ${s.label || `Session ${i + 1}`}`,
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location: s.location,
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})));
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if (error) throw error;
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return value;
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}
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const { error, value } = createEvent(icsEntry(event, eventUrl, { start: event.startDate, end: event.endDate, title: event.title }));
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if (error) throw error;
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return value;
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}
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module.exports = { buildEventIcs };
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