/**
* Start a editing session or return an existing one
* @param string $uid of the user starting a session
* @param \OCA\Documents\File $file - file object
* @return array
* @throws \Exception
*/
public static function start($uid, $file)
{
// Create a directory to store genesis
$genesis = new Genesis($file);
list($ownerView, $path) = $file->getOwnerViewAndPath();
$mimetype = $ownerView->getMimeType($path);
if (!Filter::isSupportedMimetype($mimetype)) {
throw new \Exception($path . ' is ' . $mimetype . ' and is not supported by Documents app');
}
$oldSession = new Db_Session();
$oldSession->loadBy('file_id', $file->getFileId());
//If there is no existing session we need to start a new one
if (!$oldSession->hasData()) {
$newSession = new Db_Session(array($genesis->getPath(), $genesis->getHash(), $file->getOwner(), $file->getFileId()));
if (!$newSession->insert()) {
throw new \Exception('Failed to add session into database');
}
}
$sessionData = $oldSession->loadBy('file_id', $file->getFileId())->getData();
$memberColor = Helper::getMemberColor($uid);
$member = new Db_Member(array($sessionData['es_id'], $uid, $memberColor, time(), intval($file->isPublicShare()), $file->getToken()));
if ($member->insert()) {
// Do we have OC_Avatar in out disposal?
if (!class_exists('\\OC_Avatar') || \OC_Config::getValue('enable_avatars', true) !== true) {
$imageUrl = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAAAAACH5BAAAAAAALAAAAAABAAEAAAICTAEAOw==';
} else {
$imageUrl = $uid;
}
$displayName = $file->isPublicShare() ? $uid . ' ' . Db_Member::getGuestPostfix() : \OCP\User::getDisplayName($uid);
$sessionData['member_id'] = (string) $member->getLastInsertId();
$op = new Db_Op();
$op->addMember($sessionData['es_id'], $sessionData['member_id'], $displayName, $memberColor, $imageUrl);
} else {
throw new \Exception('Failed to add member into database');
}
$sessionData['title'] = basename($path);
$sessionData['permissions'] = $ownerView->getFilePermissions($path);
return $sessionData;
}
/**
* @NoAdminRequired
*/
public function download($path)
{
if (!$path) {
$response = new JSONResponse();
$response->setStatus(Http::STATUS_BAD_REQUEST);
return $response;
}
$fullPath = '/files' . $path;
$fileInfo = \OC\Files\Filesystem::getFileInfo($path);
if ($fileInfo) {
if ($fileInfo->getMimeType() !== \OCA\Documents\Filter\Office::NATIVE_MIMETYPE) {
$file = new File($fileInfo->getId());
$genesis = new Genesis($file);
$fullPath = $genesis->getPath();
}
}
return new DownloadResponse($this->request, $this->uid, $fullPath);
}