244 lines
7.5 KiB
PHP
244 lines
7.5 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use Illuminate\Http\Request;
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use Illuminate\Support\Str;
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use Carbon\Carbon;
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use Illuminate\Support\Facades\DB;
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use App\Models\Calendar;
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use App\Models\Event;
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use App\Models\EventMeta;
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class EventController extends Controller
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{
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/**
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* create a new event page
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*/
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public function create(Calendar $calendar)
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{
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$this->authorize('update', $calendar);
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$instance = $calendar->instanceForUser();
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$event = new Event;
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$event->meta = (object) [
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'title' => '',
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'description' => '',
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'location' => '',
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'start_at' => null,
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'end_at' => null,
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'all_day' => false,
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'category' => '',
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];
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$start = $event->start_at;
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$end = $event->end_at;
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return view('event.form', compact('calendar', 'instance', 'event', 'start', 'end'));
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}
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/**
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* edit event page
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*/
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public function edit(Calendar $calendar, Event $event)
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{
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$this->authorize('update', $calendar);
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$instance = $calendar->instanceForUser();
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$timezone = $instance?->timezone ?? 'UTC';
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$start = optional($event->meta?->start_at)
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?->timezone($timezone)
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?->format('Y-m-d\TH:i');
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$end = optional($event->meta?->end_at)
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?->timezone($timezone)
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?->format('Y-m-d\TH:i');
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return view('event.form', compact('calendar', 'instance', 'event', 'start', 'end'));
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}
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/**
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* single event view handling
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*
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* URL: /calendar/{uuid}/event/{event_id}
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*/
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public function show(Request $request, Calendar $calendar, Event $event)
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{
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// ensure the event really belongs to the parent calendar
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if ((int) $event->calendarid !== (int) $calendar->id) {
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abort(Response::HTTP_NOT_FOUND);
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}
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// authorize
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$this->authorize('view', $event);
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// eager-load meta so the view has everything
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$event->load('meta');
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// check for HTML; it sends `HX-Request: true` on every AJAX call
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$isHtmx = $request->header('HX-Request') === 'true';
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// convert Sabre timestamps if meta is missing
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$start = $event->meta->start_at
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?? Carbon::createFromTimestamp($event->firstoccurence);
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$end = $event->meta->end_at
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?? ($event->lastoccurence
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? Carbon::createFromTimestamp($event->lastoccurence)
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: $start);
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$data = compact('calendar', 'event', 'start', 'end');
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return $isHtmx
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? view('event.partials.details', $data) // tiny fragment for the modal
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: view('event.show', $data); // full-page fallback
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}
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/**
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* BACKEND METHODS
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*
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*/
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/**
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* insert vevent into sabre’s calendarobjects + meta row
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*/
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public function store(Request $req, Calendar $calendar)
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{
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$this->authorize('update', $calendar);
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$data = $req->validate([
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'title' => 'required|string|max:200',
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'start_at' => 'required|date',
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'end_at' => 'required|date|after:start_at',
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'description' => 'nullable|string',
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'location' => 'nullable|string',
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'all_day' => 'sometimes|boolean',
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'category' => 'nullable|string|max:50',
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]);
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// prepare payload
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$uid = Str::uuid() . '@' . parse_url(config('app.url'), PHP_URL_HOST);
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// store events as UTC in the database; convert to calendar time in the view
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$client_timezone = $calendar->timezone ?? 'UTC';
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$start = Carbon::createFromFormat('Y-m-d\TH:i', $data['start_at'], $client_timezone)
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->setTimezone('UTC');
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$end = Carbon::createFromFormat('Y-m-d\TH:i', $data['end_at'], $client_timezone)
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->setTimezone('UTC');
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// prepare strings
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$description = $data['description'] ?? '';
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$location = $data['location'] ?? '';
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$description = str_replace("\n", '\\n', $description);
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$location = str_replace("\n", '\\n', $location);
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/* build minimal iCalendar payload */
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$ical = <<<ICS
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BEGIN:VCALENDAR
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VERSION:2.0
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PRODID:-//Kithkin//Laravel CalDAV//EN
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BEGIN:VEVENT
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UID:$uid
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DTSTAMP:{$start->utc()->format('Ymd\\THis\\Z')}
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DTSTART:{$start->format('Ymd\\THis')}
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DTEND:{$end->format('Ymd\\THis')}
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SUMMARY:{$data['title']}
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DESCRIPTION:$description
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LOCATION:$location
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END:VEVENT
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END:VCALENDAR
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ICS;
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$event = Event::create([
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'calendarid' => $calendar->id,
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'uri' => Str::uuid() . '.ics',
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'lastmodified' => time(),
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'etag' => md5($ical),
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'size' => strlen($ical),
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'componenttype' => 'VEVENT',
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'uid' => $uid,
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'calendardata' => $ical,
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]);
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$event->meta()->create([
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'title' => $data['title'],
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'description' => $data['description'] ?? null,
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'location' => $data['location'] ?? null,
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'all_day' => $data['all_day'] ?? false,
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'category' => $data['category'] ?? null,
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'start_at' => $start,
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'end_at' => $end,
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]);
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return redirect()->route('calendar.show', $calendar);
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}
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/**
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* update vevent + meta
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*/
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public function update(Request $req, Calendar $calendar, Event $event)
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{
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$this->authorize('update', $calendar);
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$data = $req->validate([
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'title' => 'required|string|max:200',
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'start_at' => 'required|date',
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'end_at' => 'required|date|after:start_at',
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'description' => 'nullable|string',
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'location' => 'nullable|string',
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'category' => 'nullable|string|max:50',
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]);
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// rebuild the icalendar payload
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$calendar_timezone = $calendar->timezone ?? 'UTC';
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$start = Carbon::createFromFormat('Y-m-d\TH:i', $data['start_at'], $calendar_timezone)->setTimezone($calendar_timezone);
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$end = Carbon::createFromFormat('Y-m-d\TH:i', $data['end_at'], $calendar_timezone)->setTimezone($calendar_timezone);
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// prepare strings
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$description = $data['description'] ?? '';
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$location = $data['location'] ?? '';
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$description = str_replace("\n", '\\n', $description);
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$location = str_replace("\n", '\\n', $location);
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// note: keep the UID stable (CalDAV relies on it!)
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$uid = $event->uid;
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$ical = <<<ICS
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BEGIN:VCALENDAR
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VERSION:2.0
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PRODID:-//Kithkin//Laravel CalDAV//EN
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BEGIN:VEVENT
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UID:$uid
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DTSTAMP:{$start->utc()->format('Ymd\\THis\\Z')}
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DTSTART;TZID={$calendar_timezone}:{$start->format('Ymd\\THis')}
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DTEND;TZID={$calendar_timezone}:{$end->format('Ymd\\THis')}
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SUMMARY:{$data['title']}
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DESCRIPTION:$description
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LOCATION:$location
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END:VEVENT
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END:VCALENDAR
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ICS;
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// persist changes
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$event->update([
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'calendardata' => $ical,
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'etag' => md5($ical),
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'lastmodified' => time(),
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]);
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$event->meta()->updateOrCreate([], [
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'title' => $data['title'],
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'description' => $data['description'] ?? null,
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'location' => $data['location'] ?? null,
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'all_day' => $data['all_day'] ?? false,
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'category' => $data['category'] ?? null,
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'start_at' => $start,
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'end_at' => $end,
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]);
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return redirect()->route('calendar.show', $calendar);
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}
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}
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