FilemountUpdateWizard.php

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<?php
namespace TYPO3\CMS\Install\Updates;

use TYPO3\CMS\Backend\Utility\BackendUtility;

class FilemountUpdateWizard extends AbstractUpdate {

    protected $title = 'Migrate existing filemounts to be file abstraction layer compatible.';

    protected $db;

    protected $sqlQueries = array();

    protected $storage;

    protected $storageRepository;

    public function __construct() {
        $this->db = $GLOBALS['TYPO3_DB'];
    }

    public function init() {
        $this->storageRepository = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\Resource\\StorageRepository');
        $storages = $this->storageRepository->findAll();
        $this->storage = $storages[0];
    }

    public function checkForUpdate(&$description) {
        $description = 'Migrate all filemounts to be based on file abstraction layer storages.';
        $filemountCount = $this->db->exec_SELECTcountRows(
            '*',
            'sys_filemounts',
            'base IN (0,1) ' . BackendUtility::deleteClause('sys_filemounts')
        );
        return $filemountCount > 0 && !$this->isWizardDone();
    }

    public function performUpdate(array &$dbQueries, &$customMessages) {
        $this->init();
        $this->migrateAbsoluteFilemounts();
        $this->migrateRelativeFilemounts();
        if (is_array($this->sqlQueries) && is_array($dbQueries)) {
            $dbQueries = array_merge($dbQueries, $this->sqlQueries);
        }

        // Initialize processing folders for all storages
        foreach ($this->storageRepository->findAll() as $storage) {
            $storage->getProcessingFolders();
        }

        $this->markWizardAsDone();
        return TRUE;
    }

    protected function migrateAbsoluteFilemounts() {
        $description = 'This is the local %s directory. This storage mount has been created by the TYPO3 upgrade wizards.';
        $fileadminDir = PATH_site . $GLOBALS['TYPO3_CONF_VARS']['BE']['fileadminDir'];
        $absoluteFilemounts = $this->db->exec_SELECTgetRows(
            '*',
            'sys_filemounts',
            'base = 0' . BackendUtility::deleteClause('sys_filemounts')
        );
        foreach ($absoluteFilemounts as $filemount) {
            if (stristr($filemount['path'], $fileadminDir)) {
                $storageId = $this->storage->getUid();
                $storagePath = rtrim(str_replace($fileadminDir, '', $filemount['path']), '/') . '/';
            } else {
                $storageId = $this->storageRepository->createLocalStorage(
                    $filemount['title'] . ' (auto-created)',
                    $filemount['path'],
                    'absolute',
                    sprintf($description, $filemount['path'])
                );
                $storagePath = '/';
                $this->sqlQueries[] = $GLOBALS['TYPO3_DB']->debug_lastBuiltQuery;
            }
            $this->db->exec_UPDATEquery(
                'sys_filemounts',
                'uid=' . (int)$filemount['uid'],
                array('base' => $storageId, 'path' => $storagePath)
            );
            $this->sqlQueries[] = $GLOBALS['TYPO3_DB']->debug_lastBuiltQuery;
        }
    }

    protected function migrateRelativeFilemounts() {
        $relativeFilemounts = $this->db->exec_SELECTgetRows(
            '*',
            'sys_filemounts',
            'base = 1' . BackendUtility::deleteClause('sys_filemounts')
        );
        foreach ($relativeFilemounts as $filemount) {
            $storagePath = trim($filemount['path'], '/') . '/';
            if ($storagePath !== '/') {
                $storagePath = '/' . $storagePath;
            }
            $this->db->exec_UPDATEquery(
                'sys_filemounts',
                'uid=' . (int)$filemount['uid'],
                array('base' => $this->storage->getUid(), 'path' => $storagePath)
            );
            $this->sqlQueries[] = $GLOBALS['TYPO3_DB']->debug_lastBuiltQuery;
        }
    }

}