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feat: add event reference provider and widget for
Fixes: #7104 Signed-off-by: Jonas <jonas@freesources.org>
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‎lib/AppInfo/Application.php‎

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@@ -15,6 +15,7 @@
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use OCA\Calendar\Listener\UserDeletedListener;
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use OCA\Calendar\Notification\Notifier;
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use OCA\Calendar\Profile\AppointmentsAction;
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use OCA\Calendar\Reference\EventReferenceProvider;
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use OCA\Calendar\Reference\ReferenceProvider;
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use OCA\Calendar\UserMigration\Migrator;
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use OCP\AppFramework\App;
@@ -52,6 +53,8 @@ public function register(IRegistrationContext $context): void {
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$context->registerProfileLinkAction(AppointmentsAction::class);
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$context->registerReferenceProvider(EventReferenceProvider::class);
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$context->registerReferenceProvider(ReferenceProvider::class);
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$context->registerEventListener(BeforeAppointmentBookedEvent::class, AppointmentBookedListener::class);

‎lib/Reference/EventReferenceProvider.php‎

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@@ -0,0 +1,207 @@
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<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OCA\Calendar\Reference;
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use OCA\Calendar\AppInfo\Application;
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use OCA\DAV\CalDAV\CalDavBackend;
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use OCP\Calendar\IManager;
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use OCP\Collaboration\Reference\ADiscoverableReferenceProvider;
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use OCP\Collaboration\Reference\IReference;
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use OCP\Collaboration\Reference\Reference;
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use OCP\IDateTimeFormatter;
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use OCP\IL10N;
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use OCP\IURLGenerator;
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use Sabre\VObject\Reader;
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class EventReferenceProvider extends ADiscoverableReferenceProvider {
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public function __construct(
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private readonly IL10N $l10n,
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private readonly IURLGenerator $urlGenerator,
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private readonly IManager $calendarManager,
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private CalDavBackend $calDavBackend,
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private readonly IDateTimeFormatter $dateTimeFormatter,
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private readonly ?string $userId,
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) {
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}
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#[\Override]
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public function getId(): string {
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return 'calendar-event';
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}
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#[\Override]
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public function getTitle(): string {
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return $this->l10n->t('Calendar event');
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}
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#[\Override]
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public function getOrder(): int {
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return 21;
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}
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#[\Override]
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public function getIconUrl(): string {
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return $this->urlGenerator->getAbsoluteURL(
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$this->urlGenerator->imagePath(Application::APP_ID, 'calendar-dark.svg')
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);
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}
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#[\Override]
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public function matchReference(string $referenceText): bool {
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$start = $this->urlGenerator->getAbsoluteURL('/apps/' . Application::APP_ID);
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$startIndex = $this->urlGenerator->getAbsoluteURL('/index.php/apps/' . Application::APP_ID);
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foreach ([$start, $startIndex] as $base) {
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$quoted = preg_quote($base, '/');
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// URL pattern 1: .../apps/calendar/edit/{objectId}
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// URL pattern 2: .../apps/calendar/edit/{objectId}/{recurrenceId}
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if (preg_match('/^' . $quoted . '\/edit\/[^\/?#]+$/i', $referenceText) === 1) {
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return true;
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}
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// URL pattern 3: .../apps/calender/{view}/{timeRange}/edit/{mode}/{objectId}/{recurrenceId}
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$views = 'timeGridDay|timeGridWeek|dayGridMonth|multiMonthYear|listMonth';
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if (preg_match('/^' . $quoted . '\/(?:' . $views . ')\/[^\/]+\/edit\/(?:popover|full)\/[^\/?#]+/i', $referenceText) === 1) {
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return true;
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}
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}
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return false;
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}
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#[\Override]
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public function resolveReference(string $referenceText): ?IReference {
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if ($this->userId === null || !$this->matchReference($referenceText)) {
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return null;
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}
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$objectId = $this->getObjectIdFromUrl($referenceText);
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if ($objectId === null) {
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return null;
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}
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// objectId is base64(davUrl)
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$davUrl = base64_decode($objectId, true);
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if ($davUrl === false) {
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return null;
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}
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// DAV URL format: /remote.php/dav/calendars/{userid}/{calendarUri}/{eventFile}.ics
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$parts = explode('/', trim($davUrl, '/'));
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if (count($parts) < 2) {
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return null;
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}
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$eventFile = array_pop($parts); // e.g. 'event.ics'
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$calendarUri = array_pop($parts); // e.g. 'personal'
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if (empty($calendarUri) || empty($eventFile)) {
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return null;
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}
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$calendar = $this->getCalendar($calendarUri);
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if ($calendar === null) {
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return null;
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}
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$eventData = $this->getEventData($calendar['id'], $eventFile);
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if ($eventData === null) {
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return null;
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}
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$reference = new Reference($referenceText);
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$reference->setTitle($eventData['title']);
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$reference->setDescription($eventData['date'] ?? $calendar['{DAV:}displayname'] ?? '');
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$reference->setRichObject(
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'calendar_event',
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[
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'title' => $eventData['title'],
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'calendarName' => $calendar['{DAV:}displayname'] ?? '',
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'calendarColor' => $calendar['{http://apple.com/ns/ical/}calendar-color'] ?? null,
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'date' => $eventData['date'],
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'startTimestamp' => $eventData['startTimestamp'],
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'endTimestamp' => $eventData['endTimestamp'],
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'url' => $referenceText,
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]
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);
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return $reference;
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}
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private function getObjectIdFromUrl(string $url): ?string {
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// URL pattern 1+2: .../apps/calendar/edit/{objectId}[/{recurrenceId}]
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if (preg_match('/\/edit\/([^\/?#]+)/i', $url, $matches) === 1) {
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if (in_array($matches[1], ['popover', 'full'], true)) {
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// URL pattern 3: .../apps/calender/{view}/{timeRange}/edit/{mode}/{objectId}/{recurrenceId}
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if (preg_match('/\/edit\/(?:popover|full)\/([^\/?#]+)/i', $url, $m2)) {
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return $m2[1];
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}
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return null;
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}
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return $matches[1];
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}
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return null;
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}
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private function getCalendar(string $calendarUri): ?array {
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$principalUri = 'principals/users/' . $this->userId;
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$calendar = $this->calDavBackend->getCalendarByUri($principalUri, $calendarUri);
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if ($calendar === null || $calendar['{http://nextcloud.com/ns}deleted_at'] !== null) {
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return null;
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}
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return $calendar;
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}
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private function getEventData(int $calendarId, string $eventFile): ?array {
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$object = $this->calDavBackend->getCalendarObject($calendarId, $eventFile);
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if ($object === null) {
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return null;
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}
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$vObject = Reader::read($object['calendardata']);
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$vEvent = $vObject->VEVENT ?? null;
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if ($vEvent === null) {
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return null;
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}
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$date = null;
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$startTimestamp = null;
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if (isset($vEvent->DTSTART)) {
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$dt = $vEvent->DTSTART->getDateTime();
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$date = $this->dateTimeFormatter->formatTimeSpan(\DateTime::createFromInterface($dt));
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$startTimestamp = $dt->getTimestamp();
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}
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$endTimestamp = null;
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if (isset($vEvent->DTEND)) {
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$dt = $vEvent->DTEND->getDateTime();
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$endTimestamp = $dt->getTimestamp();
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} elseif (isset($vEvent->DURATION) && $startTimestamp !== null) {
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$duration = $vEvent->DURATION->getDateInterval();
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$endTimestamp = (new \DateTime())->setTimestamp($startTimestamp)->add($duration)->getTimestamp();
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}
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return [
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'title' => isset($vEvent->SUMMARY) ? (string)$vEvent->SUMMARY : $this->l10n->t('Untitled event'),
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'date' => $date,
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'startTimestamp' => $startTimestamp,
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'endTimestamp' => $endTimestamp,
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'location' => isset($vEvent->LOCATION) ? (string)$vEvent->LOCATION : null,
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];
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}
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#[\Override]
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public function getCachePrefix(string $referenceId): string {
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return $this->userId ?? '';
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}
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#[\Override]
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public function getCacheKey(string $referenceId): string {
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return $referenceId;
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}
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}

‎psalm.xml‎

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@@ -37,6 +37,7 @@
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<referencedClass name="OCA\Circles\Api\v1\Circles" />
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<referencedClass name="OCA\Circles\Exceptions\CircleNotFoundException" />
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<referencedClass name="OCA\Calendar\Controller\Exception" />
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<referencedClass name="OCA\DAV\CalDAV\CalDavBackend" />
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<referencedClass name="OCA\DAV\CalDAV\Calendar" />
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<referencedClass name="OCA\DAV\CalDAV\CalendarHome" />
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<referencedClass name="OCA\DAV\CalDAV\InvitationResponse\InvitationResponseServer" />
@@ -45,6 +46,7 @@
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<referencedClass name="Sabre\VObject\Component\VCalendar" />
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<referencedClass name="Sabre\VObject\Component\VEvent" />
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<referencedClass name="Sabre\VObject\Component\VTimezone" />
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<referencedClass name="Sabre\VObject\Reader" />
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<referencedClass name="Sabre\VObject\TimeZoneUtil" />
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<referencedClass name="Symfony\Component\HttpFoundation\IpUtils" />
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<referencedClass name="Symfony\Component\Console\Command\Command" />

‎src/reference.js‎

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@@ -39,3 +39,16 @@ registerWidget('calendar_widget', async (el, { richObjectType, richObject, acces
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}, (el, renderResult) => {
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renderResult.object.$destroy()
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}, true)
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registerWidget('calendar_event', async (el, { richObject }) => {
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const { createApp } = await import('vue')
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const { default: EventReferenceWidget } = await import('./views/EventReferenceWidget.vue')
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const app = createApp(EventReferenceWidget, {
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richObject,
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})
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app.mount(el)
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return new NcCustomPickerRenderResult(el, app)
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}, (el, renderResult) => {
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renderResult.object.$destroy()
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})

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