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feat: add calendar event normalization and sanitization functions with tests

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This commit is contained in:
Linus Rath
2026-03-27 18:46:20 +01:00
parent 42734f16c3
commit b868ad591d
17 changed files with 424 additions and 47 deletions
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lib/calendar-invitation.ts
+19 -20
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@@ -1,5 +1,6 @@
import { parseISO } from 'date-fns';
import type { Email, Attachment, CalendarEvent, CalendarParticipant, EmailBodyPart } from '@/lib/jmap/types';
import { normalizeCalendarEventLike } from '@/lib/calendar-event-normalization';
export type InvitationMethod =
| 'publish'
@@ -251,9 +252,6 @@ function looksLikeReply(event: Partial<CalendarEvent>): boolean {
if (!event.participants) return false;
const participants = Object.values(event.participants);
const hasOrganizer = participants.some((participant) => isOrganizerParticipant(participant));
if (!hasOrganizer) return false;
return participants.some((participant) =>
participant.roles?.attendee
&& !isOrganizerParticipant(participant)
@@ -459,9 +457,10 @@ export interface EventSummary {
}
export function formatEventSummary(event: Partial<CalendarEvent>): EventSummary {
const normalizedEvent = normalizeCalendarEventLike(event);
let location: string | null = null;
if (event.locations) {
const firstLocation = Object.values(event.locations)[0];
if (normalizedEvent.locations) {
const firstLocation = Object.values(normalizedEvent.locations)[0];
if (firstLocation?.name) {
location = firstLocation.name;
}
@@ -471,8 +470,8 @@ export function formatEventSummary(event: Partial<CalendarEvent>): EventSummary
let organizerEmail: string | null = null;
let attendeeCount = 0;
if (event.participants) {
for (const p of Object.values(event.participants)) {
if (normalizedEvent.participants) {
for (const p of Object.values(normalizedEvent.participants)) {
if (p.roles?.owner || p.roles?.chair) {
organizer = p.name || getParticipantEmail(p) || null;
organizerEmail = getParticipantEmail(p);
@@ -484,12 +483,12 @@ export function formatEventSummary(event: Partial<CalendarEvent>): EventSummary
}
// Stalwart provides organizerCalendarAddress instead of roles.owner/chair
if (!organizerEmail && event.organizerCalendarAddress) {
organizerEmail = normalizeEmailAddress(event.organizerCalendarAddress);
if (!organizer && event.participants) {
if (!organizerEmail && normalizedEvent.organizerCalendarAddress) {
organizerEmail = normalizeEmailAddress(normalizedEvent.organizerCalendarAddress);
if (!organizer && normalizedEvent.participants) {
// Find the participant matching the organizer address for their name
for (const p of Object.values(event.participants)) {
if (p.calendarAddress === event.organizerCalendarAddress) {
for (const p of Object.values(normalizedEvent.participants)) {
if (p.calendarAddress === normalizedEvent.organizerCalendarAddress) {
organizer = p.name || organizerEmail;
break;
}
@@ -498,23 +497,23 @@ export function formatEventSummary(event: Partial<CalendarEvent>): EventSummary
if (!organizer) organizer = organizerEmail;
}
const isAllDay = event.showWithoutTime ?? false;
const isAllDay = normalizedEvent.showWithoutTime ?? false;
let end: string | null = null;
if (event.utcEnd) {
end = event.utcEnd;
} else if (event.start && event.duration) {
end = addDurationToDate(event.start, event.duration, event.timeZone);
if (normalizedEvent.utcEnd) {
end = normalizedEvent.utcEnd;
} else if (normalizedEvent.start && normalizedEvent.duration) {
end = addDurationToDate(normalizedEvent.start, normalizedEvent.duration, normalizedEvent.timeZone);
}
// For all-day events, prefer the local start (no timezone) to avoid
// UTC conversion shifting the displayed date in non-UTC timezones.
const start = isAllDay
? (event.start || null)
: (event.utcStart || event.start || null);
? (normalizedEvent.start || null)
: (normalizedEvent.utcStart || normalizedEvent.start || null);
return {
title: event.title || '',
title: normalizedEvent.title || '',
start,
end,
isAllDay,