119 lines
2.9 KiB
PHP
119 lines
2.9 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2016 Julius Härtl <jus@bitgrid.net>
|
|
*
|
|
* @author Julius Härtl <jus@bitgrid.net>
|
|
*
|
|
* @license GNU AGPL version 3 or any later version
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* 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
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
|
|
namespace OCA\Theming;
|
|
|
|
use OCP\IConfig;
|
|
use OCP\Files\IAppData;
|
|
use OCP\Files\NotFoundException;
|
|
use OCP\Files\NotPermittedException;
|
|
|
|
class ImageManager {
|
|
|
|
/** @var IConfig */
|
|
private $config;
|
|
/** @var IAppData */
|
|
private $appData;
|
|
|
|
/**
|
|
* ImageManager constructor.
|
|
*
|
|
* @param IConfig $config
|
|
* @param IAppData $appData
|
|
*/
|
|
public function __construct(IConfig $config,
|
|
IAppData $appData
|
|
) {
|
|
$this->config = $config;
|
|
$this->appData = $appData;
|
|
}
|
|
|
|
/**
|
|
* Get folder for current theming files
|
|
*
|
|
* @return \OCP\Files\SimpleFS\ISimpleFolder
|
|
* @throws NotPermittedException
|
|
* @throws \RuntimeException
|
|
*/
|
|
public function getCacheFolder() {
|
|
$cacheBusterValue = $this->config->getAppValue('theming', 'cachebuster', '0');
|
|
try {
|
|
$folder = $this->appData->getFolder($cacheBusterValue);
|
|
} catch (NotFoundException $e) {
|
|
$folder = $this->appData->newFolder($cacheBusterValue);
|
|
$this->cleanup();
|
|
}
|
|
return $folder;
|
|
}
|
|
|
|
/**
|
|
* Get a file from AppData
|
|
*
|
|
* @param string $filename
|
|
* @return null|\OCP\Files\SimpleFS\ISimpleFile
|
|
*/
|
|
public function getCachedImage($filename) {
|
|
$currentFolder = $this->getCacheFolder();
|
|
if($currentFolder->fileExists($filename)) {
|
|
return $currentFolder->getFile($filename);
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Store a file for theming in AppData
|
|
*
|
|
* @param string $filename
|
|
* @param string $data
|
|
* @return \OCP\Files\SimpleFS\ISimpleFile
|
|
*/
|
|
public function setCachedImage($filename, $data) {
|
|
$currentFolder = $this->getCacheFolder();
|
|
if ($currentFolder->fileExists($filename)) {
|
|
$file = $currentFolder->getFile($filename);
|
|
} else {
|
|
$file = $currentFolder->newFile($filename);
|
|
}
|
|
$file->putContent($data);
|
|
return $file;
|
|
}
|
|
|
|
/**
|
|
* remove cached files that are not required any longer
|
|
*/
|
|
public function cleanup() {
|
|
$currentFolder = $this->getCacheFolder();
|
|
$folders = $this->appData->getDirectoryListing();
|
|
foreach ($folders as $folder) {
|
|
if ($folder->getName() !== $currentFolder->getName()) {
|
|
$folder->delete();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
}
|