/**
* {@inheritDoc}
*/
public function hasUpdated(IObject $object)
{
$newObject = $this->find($object->getUri());
return $newObject->getEtag(true) !== $object->getEtag(true);
}
/**
* Creates an new object
*
* @param \OCA\Calendar\IObject $object
* @throws \OCA\Calendar\BusinessLayer\Exception
* @return \OCA\Calendar\IObject
*/
public function create(IObject $object)
{
try {
if (is_null($object->getUri())) {
$object->setUri(ObjectUtility::randomURI());
}
$object->setCalendar($this->calendar);
// generate an provisional etag, backends can overwrite it if necessary
$object->getEtag(true);
$this->checkCalendarSupports(Permissions::CREATE);
if (!$this->api instanceof BackendUtils\IObjectAPICreate) {
throw new Exception('Backend does not support creating objects');
}
$this->checkObjectIsValid($object);
Util::emitHook('\\OCA\\Calendar', 'preCreateObject', array($object));
$object = $this->api->create($object);
if ($this->isCachingEnabled) {
$this->updater->propagate($object->getUri());
}
Util::emitHook('\\OCA\\Calendar', 'postCreateObject', array($object));
return $object;
} catch (BackendUtils\Exception $ex) {
throw Exception::fromException($ex);
}
}
/**
* {@inheritDoc}
*/
public function delete(IObject $object)
{
$sql = 'DELETE FROM `' . $this->getObjectTableName() . '` ';
$sql .= 'WHERE `uri` = ? AND `calendarid` = ?';
$this->query($sql, [$object->getUri(), $this->getCalendarId()]);
return true;
}
/**
* Updates an object from request
*
* @param \OCA\Calendar\IObject $object
* @param string $etag
* @throws \OCA\Calendar\BusinessLayer\Exception
* @return \OCA\Calendar\IObject
*/
public function update(IObject $object, $etag)
{
$oldObject = $this->find($object->getUri());
$this->checkETagsEqual($oldObject->getEtag(), $etag);
$oldObject->overwriteWith($object);
$object = $oldObject;
return parent::update($object);
}
/**
* @param IObject $object
* @return IObject
*/
public function update(IObject $object)
{
$calendarId = $this->calendar->getId();
//TODO - (maybe) check uri exists already
$sql = 'UPDATE `' . $this->getTableName() . '` SET ';
$sql .= '`type` = ?, `etag` = ?, `startdate` = ?, `enddate` = ?, ';
$sql .= '`repeating` = ?, `summary` = ?, `calendardata` = ?, ';
$sql .= '`lastmodified` = ? WHERE `uri` = ? and `calendarid` = ?';
$stmt = $this->execute($sql, [$object->getType(), $object->getEtag(true), $this->getUTC($object->getStartDate()), $this->getUTC($object->getEndDate()), $object->getRepeating(), $object->getSummary(), $object->getCalendarData(), $this->getUTC($object->getLastModified()), $object->getUri(), $calendarId]);
$stmt->closeCursor();
return $object;
}
/**
* {@inheritDoc}
*/
public function hasUpdated(IObject $object)
{
$contact = $this->getContactFromUri($object->getUri());
if (!$contact) {
throw new BackendUtils\DoesNotExistException();
}
return $object->getEtag() !== $contact['ETAG'];
}
