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<?php
/**
* @author Vincent Petry <pvince81@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Files_External\Controller;
use \OCP\IConfig;
use \OCP\IUserSession;
use \OCP\IRequest;
use \OCP\IL10N;
use \OCP\AppFramework\Http\DataResponse;
use \OCP\AppFramework\Controller;
use \OCP\AppFramework\Http;
use \OCA\Files_external\Service\StoragesService;
use \OCA\Files_external\NotFoundException;
use \OCA\Files_external\Lib\StorageConfig;
/**
* Base class for storages controllers
*/
abstract class StoragesController extends Controller {
/**
* L10N service
*
* @var IL10N
*/
protected $l10n;
/**
* Storages service
*
* @var StoragesService
*/
protected $service;
/**
* Creates a new storages controller.
*
* @param string $AppName application name
* @param IRequest $request request object
* @param IL10N $l10n l10n service
* @param StoragesService $storagesService storage service
*/
public function __construct(
$AppName,
IRequest $request,
IL10N $l10n,
StoragesService $storagesService
) {
parent::__construct($AppName, $request);
$this->l10n = $l10n;
$this->service = $storagesService;
}
/**
* Validate storage config
*
* @param StorageConfig $storage storage config
*
* @return DataResponse|null returns response in case of validation error
*/
protected function validate(StorageConfig $storage) {
$mountPoint = $storage->getMountPoint();
if ($mountPoint === '' || $mountPoint === '/') {
return new DataResponse(
array(
'message' => (string)$this->l10n->t('Invalid mount point')
),
Http::STATUS_UNPROCESSABLE_ENTITY
);
}
// TODO: validate that other attrs are set
$backends = \OC_Mount_Config::getBackends();
if (!isset($backends[$storage->getBackendClass()])) {
// invalid backend
return new DataResponse(
array(
'message' => (string)$this->l10n->t('Invalid storage backend "%s"', array($storage->getBackendClass()))
),
Http::STATUS_UNPROCESSABLE_ENTITY
);
}
return null;
}
/**
* Check whether the given storage is available / valid.
*
* Note that this operation can be time consuming depending
* on whether the remote storage is available or not.
*
* @param StorageConfig $storage storage configuration
*/
protected function updateStorageStatus(StorageConfig &$storage) {
// update status (can be time-consuming)
$storage->setStatus(
\OC_Mount_Config::getBackendStatus(
$storage->getBackendClass(),
$storage->getBackendOptions(),
false
)
);
}
/**
* Get an external storage entry.
*
* @param int $id storage id
*
* @return DataResponse
*/
public function show($id) {
try {
$storage = $this->service->getStorage($id);
$this->updateStorageStatus($storage);
} catch (NotFoundException $e) {
return new DataResponse(
[
'message' => (string)$this->l10n->t('Storage with id "%i" not found', array($id))
],
Http::STATUS_NOT_FOUND
);
}
return new DataResponse(
$storage,
Http::STATUS_OK
);
}
/**
* Deletes the storage with the given id.
*
* @param int $id storage id
*
* @return DataResponse
*/
public function destroy($id) {
try {
$this->service->removeStorage($id);
} catch (NotFoundException $e) {
return new DataResponse(
[
'message' => (string)$this->l10n->t('Storage with id "%i" not found', array($id))
],
Http::STATUS_NOT_FOUND
);
}
return new DataResponse([], Http::STATUS_NO_CONTENT);
}
}
|
