Add initial Todo items and CalDAV sync
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@@ -0,0 +1,174 @@
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<?php
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namespace App\Services;
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use App\Models\Todo;
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use Sabre\DAV\Client;
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use Sabre\DAV\Xml\Service;
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use Illuminate\Support\Facades\Log;
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use Sabre\VObject;
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class CalendarInfo
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{
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public $id;
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public $displayName;
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public $url;
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public $ctag;
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public $syncToken;
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public $color;
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}
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class CaldavService
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{
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protected Client $client;
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protected string $baseUrl;
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protected string $userName;
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protected CalendarInfo $calendar;
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public function __construct()
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{
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$cfg = config('caldav', []);
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$this->calendar = new CalendarInfo();
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$this->baseUrl = rtrim($cfg['base_url'] ?? '', '/') . '/';
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$this->userName = $cfg['username'] ?? '';
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$this->calendar->displayName = $cfg['calendar_name'] ?? '';
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if (
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empty($this->baseUrl) ||
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empty($this->userName) ||
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empty($cfg['password'] ?? '') ||
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empty($this->calendar->displayName)
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) {
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Log::warning('CalDAV config incomplete', ['base' => $this->baseUrl, 'calendarName' => $this->calendar->displayName, 'userName' => $this->userName]);
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}
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$this->client = new Client([
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'baseUri' => $this->baseUrl,
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'userName' => $cfg['username'] ?? null,
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'password' => $cfg['password'] ?? null,
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'authType' => \Sabre\DAV\Client::AUTH_BASIC,
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'userAgent' => $cfg['user_agent'] ?? 'caldav-client',
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]);
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$this->getCalendarInfo();
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}
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/**
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* Requests all calendars of the user and gets the ID that belongs to the calendar name
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*/
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public function getCalendarId()
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{
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$response = $this->client->propFind(
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'calendars/' . $this->userName . '/',
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[
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'{DAV:}resourcetype',
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'{DAV:}displayname',
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],
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1
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);
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foreach ($response as $href => $node) {
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if (array_key_exists('{DAV:}displayname', $node) && strcasecmp($node['{DAV:}displayname'], $this->calendar->displayName) == 0) {
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$this->calendar->url = $href;
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$parts = explode('/', trim($href, '/'));
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return array_pop($parts);
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}
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}
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}
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/**
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* Request information about the calendar (ctag, sync-token, color)
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*/
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public function getCalendarInfo()
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{
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$this->calendar->id = $this->getCalendarId();
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$response = $this->client->propFind(
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'calendars/' . $this->userName . '/' . $this->calendar->id,
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[
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'{DAV:}displayname',
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'{http://calendarserver.org/ns/}getctag',
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'{DAV:}sync-token',
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'{http://apple.com/ns/ical/}calendar-color',
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]
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);
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// TODO: store ctag to compare whether the calendar has changed
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$this->calendar->ctag = $response['{http://calendarserver.org/ns/}getctag'];
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$this->calendar->syncToken = $response['{DAV:}sync-token'];
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$this->calendar->color = $response['{http://apple.com/ns/ical/}calendar-color'];
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return $this->calendar;
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}
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public function getTodos()
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{
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$body = '<c:calendar-query xmlns:d="DAV:" xmlns:c="urn:ietf:params:xml:ns:caldav">'
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. ' <d:prop>'
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. ' <d:getetag />'
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. ' <c:calendar-data />'
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. ' </d:prop>'
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. ' <c:filter>'
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. ' <c:comp-filter name="VCALENDAR">'
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. ' <c:comp-filter name="VTODO" />'
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. ' </c:comp-filter>'
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. ' </c:filter>'
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. '</c:calendar-query>';
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$headers = [
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'Depth' => '1',
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'Content-Type' => 'application/xml; charset=utf-8',
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'Prefer' => 'return-minimal'
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];
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$response = $this->client->request(
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'REPORT',
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'calendars/' . $this->userName . '/' . $this->calendar->id,
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$body,
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$headers
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);
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// Sabre\DAV\Xml\Service
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$service = new Service();
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// Sabre\DAV\Xml\Response\MultiStatus
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$multiStatus = $service->parse($response['body']);
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// Sabre\DAV\Xml\Element\Response
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$responses = $multiStatus->getResponses();
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$todos = [];
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foreach ($responses as $key => $response) {
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$href = $response->getHref();
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$properties = $response->getResponseProperties();
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$calendarData = $properties[200]['{urn:ietf:params:xml:ns:caldav}calendar-data'];
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$etag = $properties[200]['{DAV:}getetag'];
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$vcalendar = VObject\Reader::read($calendarData);
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// Create new todo
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$todo = new Todo();
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// Map VTODO -> App\Model\Todo
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$todo->id = isset($vcalendar->VTODO->UID) ? $vcalendar->VTODO->UID->getValue() : uniqid();
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$todo->etag = $etag;
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$todo->title = isset($vcalendar->VTODO->SUMMARY) ? $vcalendar->VTODO->SUMMARY->getValue() : 'Neues Todo';
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if (isset($vcalendar->VTODO->DESCRIPTION)) $todo->description = $vcalendar->VTODO->DESCRIPTION->getValue();
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$todo->type_id = 2;
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$todo->url = $href;
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if (isset($vcalendar->VTODO->DUE)) $todo->due_date = $vcalendar->VTODO->DUE->getDateTime();
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if(isset($vcalendar->VTODO->RRULE)) $todo->recurring = $vcalendar->VTODO->RRULE->getValue();
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if(isset($vcalendar->VTODO->PRIORITY)) $todo->priority = $vcalendar->VTODO->PRIORITY->getValue();
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if(isset($vcalendar->VTODO->STATUS)) $todo->status = $vcalendar->VTODO->STATUS->getValue();
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if(isset($vcalendar->VTODO->{'RELATED-TO'})) $todo->parent = $vcalendar->VTODO->{'RELATED-TO'}->getValue();
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$todo->created_at = $vcalendar->VTODO->CREATED->getDateTime();
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$todo->last_modified = $vcalendar->VTODO->{'LAST-MODIFIED'}->getDateTime();
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$todos[] = $todo;
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}
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return $todos;
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}
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}
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