DownloadQueue.php

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<?php
namespace TYPO3\CMS\Extensionmanager\Domain\Model;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use TYPO3\CMS\Extensionmanager\Exception\ExtensionManagerException;

class DownloadQueue implements \TYPO3\CMS\Core\SingletonInterface
{
    protected $extensionStorage = array();

    protected $extensionInstallStorage = array();

    protected $extensionCopyStorage = array();

    protected $listUtility;

    public function injectListUtility(\TYPO3\CMS\Extensionmanager\Utility\ListUtility $listUtility)
    {
        $this->listUtility = $listUtility;
    }

    public function addExtensionToQueue(\TYPO3\CMS\Extensionmanager\Domain\Model\Extension $extension, $stack = 'download')
    {
        if (!is_string($stack) || !in_array($stack, array('download', 'update'))) {
            throw new ExtensionManagerException('Stack has to be either "download" or "update"', 1342432103);
        }
        if (!isset($this->extensionStorage[$stack])) {
            $this->extensionStorage[$stack] = array();
        }
        if (array_key_exists($extension->getExtensionKey(), $this->extensionStorage[$stack])) {
            if ($this->extensionStorage[$stack][$extension->getExtensionKey()] !== $extension) {
                throw new ExtensionManagerException(
                    $extension->getExtensionKey() . ' was requested to be downloaded in different versions (' . $extension->getVersion()
                        . ' and ' . $this->extensionStorage[$stack][$extension->getExtensionKey()]->getVersion() . ').',
                    1342432101
                );
            }
        }
        $this->extensionStorage[$stack][$extension->getExtensionKey()] = $extension;
    }

    public function getExtensionQueue()
    {
        return $this->extensionStorage;
    }

    public function removeExtensionFromQueue(\TYPO3\CMS\Extensionmanager\Domain\Model\Extension $extension, $stack = 'download')
    {
        if (!is_string($stack) || !in_array($stack, array('download', 'update'))) {
            throw new ExtensionManagerException('Stack has to be either "download" or "update"', 1342432104);
        }
        if (array_key_exists($stack, $this->extensionStorage) && is_array($this->extensionStorage[$stack])) {
            if (array_key_exists($extension->getExtensionKey(), $this->extensionStorage[$stack])) {
                unset($this->extensionStorage[$stack][$extension->getExtensionKey()]);
            }
        }
    }

    public function addExtensionToInstallQueue($extension)
    {
        $this->extensionInstallStorage[$extension->getExtensionKey()] = $extension;
    }

    public function removeExtensionFromInstallQueue($extensionKey)
    {
        if (array_key_exists($extensionKey, $this->extensionInstallStorage)) {
            unset($this->extensionInstallStorage[$extensionKey]);
        }
    }

    public function addExtensionToCopyQueue($extensionKey, $sourceFolder)
    {
        $this->extensionCopyStorage[$extensionKey] = $sourceFolder;
    }

    public function removeExtensionFromCopyQueue($extensionKey)
    {
        if (array_key_exists($extensionKey, $this->extensionCopyStorage)) {
            unset($this->extensionCopyStorage[$extensionKey]);
        }
    }

    public function getExtensionInstallStorage()
    {
        return $this->extensionInstallStorage;
    }

    public function getExtensionCopyStorage()
    {
        return $this->extensionCopyStorage;
    }
}