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<?php
/**
* SPDX-FileCopyrightText: 2018-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OCA\Files_External\Lib;
use OCP\Files\Storage;
use OCP\Files\StorageNotAvailableException;
use OCP\IUser;
/**
* Trait for objects that can modify StorageConfigs and wrap Storages
*
* When a storage implementation is being prepared for use, the StorageConfig
* is passed through manipulateStorageConfig() to update any parameters as
* necessary. After the storage implementation has been constructed, it is
* passed through wrapStorage(), potentially replacing the implementation with
* a wrapped storage that changes its behaviour.
*
* Certain configuration options need to be set before the implementation is
* constructed, while others are retrieved directly from the storage
* implementation and so need a wrapper to be modified.
*/
trait StorageModifierTrait {
/**
* Modify a StorageConfig parameters
*
* @param StorageConfig $storage
* @param IUser $user User the storage is being used as
* @return void
* @throws InsufficientDataForMeaningfulAnswerException
* @throws StorageNotAvailableException
*/
public function manipulateStorageConfig(StorageConfig &$storage, ?IUser $user = null) {
}
/**
* Wrap a Storage if necessary
*
* @param Storage $storage
* @return Storage
* @throws InsufficientDataForMeaningfulAnswerException
* @throws StorageNotAvailableException
*/
public function wrapStorage(Storage $storage) {
return $storage;
}
}
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