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<?php
declare(strict_types=1);
use Sabre\CardDAV;
use Sabre\DAV;
class SabreCardDAVJsonBackend extends Sabre\CardDAV\Backend\AbstractBackend implements Sabre\CardDAV\Backend\SyncSupport {
protected $cardMgr;
public function __construct(AddressbookCollectionManager $cardMgr) {
$this->cardMgr = $cardMgr;
}
public function getAddressBooksForUser ($principalUri) {
$addressBooks = [];
foreach ($this->cardMgr->getCollections($principalUri) as $row) {
$addressBooks[] = [
'id' => $row['id'],
'uri' => $row['uri'],
'principaluri' => $row['principaluri'],
'{DAV:}displayname' => $row['displayname'],
'{'.CardDAV\Plugin::NS_CARDDAV.'}addressbook-description' => $row['description'],
'{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
'{http://sabredav.org/ns}sync-token' => $row['synctoken'],
];
}
return $addressBooks;
}
public function updateAddressBook ($addressBookId, \Sabre\DAV\PropPatch $propPatch) {
$supportedProperties = [
'{DAV:}displayname',
'{'.CardDAV\Plugin::NS_CARDDAV.'}addressbook-description',
];
$propPatch->handle($supportedProperties, function ($mutations) use ($addressBookId) {
$values = [];
foreach ($mutations as $property => $newValue) {
switch ($property) {
case '{DAV:}displayname':
$values['displayname'] = $newValue;
break;
case '{'.CardDAV\Plugin::NS_CARDDAV.'}addressbook-description':
$values['description'] = $newValue;
break;
}
}
$this->cardMgr->updateCollection($addressBookId, $values);
return true;
});
}
public function createAddressBook ($principalUri, $url, array $properties) {
$displayname = null;
$description = null;
foreach ($properties as $property => $newValue) {
switch ($property) {
case '{DAV:}displayname':
$displayname = $newValue;
break;
case '{'.CardDAV\Plugin::NS_CARDDAV.'}addressbook-description':
$description = $newValue;
break;
default:
throw new DAV\Exception\BadRequest('Unknown property: '.$property);
}
}
return $this->cardMgr->createCollection($principalUri, $url, $displayname, $description);
}
public function deleteAddressBook ($addressBookId) {
$this->cardMgr->deleteCollection($addressBookId);
}
public function getCards ($addressbookId) {
$objects = $this->cardMgr->getObjects($addressbookId);
foreach ($objects as $key => $object) {
$objects[$key]['etag'] = '"'.$object['etag'].'"';
}
return $objects;
}
public function getCard ($addressBookId, $cardUri) {
$object = $this->cardMgr->getObject($addressBookId, $cardUri);
if (isset($object['etag'])) $object['etag'] = '"'.$object['etag'].'"';
return $object;
}
public function getMultipleCards ($addressBookId, array $uris) {
$result = [];
foreach ($uris as $uri) {
$result[] = $this->getCard($addressBookId, $uri);
}
return $result;
}
public function createCard ($addressBookId, $uri, $cardData) {
$etag = $this->cardMgr->createObject($addressBookId, $uri, $cardData);
return '"'.$etag.'"';
}
public function updateCard ($addressBookId, $uri, $cardData) {
$etag = $this->cardMgr->updateObject($addressBookId, $uri, $cardData);
return '"'.$etag.'"';
}
public function deleteCard ($addressBookId, $uri) {
return $this->cardMgr->deleteObject($addressBookId, $uri);
}
public function getChangesForAddressBook ($addressBookId, $syncToken, $syncLevel, $limit = null) {
return $this->cardMgr->getChanges($addressBookId, $syncToken, $syncLevel);
}
}