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ImportExportController::getButtons()   A

Complexity

Conditions 3
Paths 4

Size

Total Lines 17
Code Lines 13

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 3
eloc 13
c 0
b 0
f 0
nc 4
nop 0
dl 0
loc 17
rs 9.8333
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<?php
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/*
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 * This file is part of the TYPO3 CMS project.
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 *
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 * It is free software; you can redistribute it and/or modify it under
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 * the terms of the GNU General Public License, either version 2
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 * of the License, or any later version.
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 *
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 * For the full copyright and license information, please read the
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 * LICENSE.txt file that was distributed with this source code.
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 *
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 * The TYPO3 project - inspiring people to share!
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 */
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namespace TYPO3\CMS\Impexp\Controller;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\ServerRequestInterface;
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use TYPO3\CMS\Backend\Routing\Exception\RouteNotFoundException;
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use TYPO3\CMS\Backend\Template\ModuleTemplate;
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use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
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use TYPO3\CMS\Core\Imaging\Icon;
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use TYPO3\CMS\Core\Imaging\IconFactory;
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use TYPO3\CMS\Core\Localization\LanguageService;
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use TYPO3\CMS\Core\Resource\Exception;
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use TYPO3\CMS\Core\Resource\Folder;
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use TYPO3\CMS\Core\Type\Bitmask\Permission;
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use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Fluid\View\StandaloneView;
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/**
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 * Main script class for the Import / Export facility.
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 *
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 * @internal this is a TYPO3 Backend controller implementation and not part of TYPO3's Core API.
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 */
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abstract class ImportExportController
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{
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    /**
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     * The integer value of the GET/POST var, 'id'. Used for submodules to the 'Web' module (page id)
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     *
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     * @var int
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     */
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    protected $id;
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    /**
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     * Array containing the current page.
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     *
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     * @var array
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     */
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    protected $pageinfo;
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    /**
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     * A WHERE clause for selection records from the pages table based on read-permissions of the current backend user.
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     *
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     * @var string
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     */
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    protected $perms_clause;
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    /**
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     * @var LanguageService
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     */
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    protected $lang;
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    /**
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     * @var IconFactory
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     */
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    protected $iconFactory;
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    /**
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     * The name of the module
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     *
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     * @var string
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     */
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    protected $moduleName = '';
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    /**
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     * ModuleTemplate Container
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     *
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     * @var ModuleTemplate
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     */
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    protected $moduleTemplate;
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    /**
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     *  The name of the shortcut for this page
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     *
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     * @var string
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     */
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    protected $shortcutName;
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    /**
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     * @var StandaloneView
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     */
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    protected $standaloneView;
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    /**
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     * Return URL
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     *
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     * @var string
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     */
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    protected $returnUrl;
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    /**
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     * Constructor
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     */
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    public function __construct()
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    {
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        $this->iconFactory = GeneralUtility::makeInstance(IconFactory::class);
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        $this->moduleTemplate = GeneralUtility::makeInstance(ModuleTemplate::class);
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        $templatePath = ExtensionManagementUtility::extPath('impexp') . 'Resources/Private/';
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        $this->standaloneView = GeneralUtility::makeInstance(StandaloneView::class);
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        $this->standaloneView->setTemplateRootPaths([$templatePath . 'Templates/ImportExport/']);
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        $this->standaloneView->setLayoutRootPaths([$templatePath . 'Layouts/']);
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        $this->standaloneView->setPartialRootPaths([$templatePath . 'Partials/']);
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        $this->standaloneView->getRequest()->setControllerExtensionName('impexp');
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        $this->id = (int)GeneralUtility::_GP('id');
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        $this->perms_clause = $this->getBackendUser()->getPagePermsClause(Permission::PAGE_SHOW);
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        $this->returnUrl = GeneralUtility::sanitizeLocalUrl(GeneralUtility::_GP('returnUrl'));
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        $this->lang = $this->getLanguageService();
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    }
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    /**
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     * Injects the request object for the current request and gathers all data
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     *
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     * IMPORTING DATA:
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     *
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     * Incoming array has syntax:
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     * GETvar 'id' = import page id (must be readable)
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     *
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     * file = pointing to filename relative to public web path
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     *
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     * [all relation fields are clear, but not files]
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     * - page-tree is written first
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     * - then remaining pages (to the root of import)
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     * - then all other records are written either to related included pages or if not found to import-root (should be a sysFolder in most cases)
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     * - then all internal relations are set and non-existing relations removed, relations to static tables preserved.
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     *
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     * EXPORTING DATA:
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     *
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     * Incoming array has syntax:
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     *
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     * file[] = file
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     * dir[] = dir
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     * list[] = table:pid
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     * record[] = table:uid
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     *
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     * pagetree[id] = (single id)
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     * pagetree[levels]=1,2,3, -1 = currently unpacked tree, -2 = only tables on page
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     * pagetree[tables][]=table/_ALL
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     *
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     * external_ref[tables][]=table/_ALL
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     *
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     * @param ServerRequestInterface $request
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     * @return ResponseInterface
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     * @throws RouteNotFoundException
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     */
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    abstract public function mainAction(ServerRequestInterface $request): ResponseInterface;
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    /**
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     * Create the panel of buttons for submitting the form or otherwise perform operations.
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     */
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    protected function getButtons(): void
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    {
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        $buttonBar = $this->moduleTemplate->getDocHeaderComponent()->getButtonBar();
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        if ($this->getBackendUser()->mayMakeShortcut()) {
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            $shortcutButton = $buttonBar->makeShortcutButton()
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                ->setGetVariables(['tx_impexp'])
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                ->setDisplayName($this->shortcutName)
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                ->setModuleName($this->moduleName);
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            $buttonBar->addButton($shortcutButton);
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        }
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        // back button
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        if ($this->returnUrl) {
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            $backButton = $buttonBar->makeLinkButton()
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                ->setHref($this->returnUrl)
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                ->setTitle($this->lang->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.goBack'))
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                ->setIcon($this->moduleTemplate->getIconFactory()->getIcon('actions-view-go-back', Icon::SIZE_SMALL));
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            $buttonBar->addButton($backButton);
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        }
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    }
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    /**
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     * Returns a \TYPO3\CMS\Core\Resource\Folder object for saving export files
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     * to the server and is also used for uploading import files.
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     *
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     * @throws \InvalidArgumentException
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     * @return Folder|null
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     */
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    protected function getDefaultImportExportFolder(): ?Folder
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    {
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        $defaultImportExportFolder = null;
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        $defaultTemporaryFolder = $this->getBackendUser()->getDefaultUploadTemporaryFolder();
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        if ($defaultTemporaryFolder !== null) {
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            $importExportFolderName = 'importexport';
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            $createFolder = !$defaultTemporaryFolder->hasFolder($importExportFolderName);
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            if ($createFolder === true) {
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                try {
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                    $defaultImportExportFolder = $defaultTemporaryFolder->createFolder($importExportFolderName);
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                } catch (Exception $folderAccessException) {
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                }
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            } else {
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                $defaultImportExportFolder = $defaultTemporaryFolder->getSubfolder($importExportFolderName);
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            }
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        }
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        return $defaultImportExportFolder;
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    }
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    /**
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     * @return BackendUserAuthentication
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     */
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    protected function getBackendUser(): BackendUserAuthentication
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    {
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        return $GLOBALS['BE_USER'];
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    }
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    /**
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     * @return LanguageService
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     */
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    protected function getLanguageService(): LanguageService
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    {
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        return $GLOBALS['LANG'];
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    }
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}
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