ListController.php

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<?php
namespace TYPO3\CMS\Extensionmanager\Controller;

use TYPO3\CMS\Core\Messaging\FlashMessage;
use TYPO3\CMS\Extensionmanager\Exception\ExtensionManagerException;
use TYPO3\CMS\Extensionmanager\Utility\ExtensionModelUtility;

class ListController extends AbstractController {

    protected $extensionRepository;

    protected $listUtility;

    protected $pageRenderer;

    protected $dependencyUtility;

    public function initializeAction() {
        $this->pageRenderer->addJsFile('sysext/backend/Resources/Public/JavaScript/notifications.js');
        $this->pageRenderer->addInlineLanguageLabelFile('EXT:extensionmanager/Resources/Private/Language/locallang.xlf');
    }

    public function indexAction() {
        $availableAndInstalledExtensions = $this->listUtility->getAvailableAndInstalledExtensionsWithAdditionalInformation();
        $this->view->assign('extensions', $availableAndInstalledExtensions);
        $this->handleTriggerArguments();
    }

    public function unresolvedDependenciesAction($extensionKey) {
        $availableExtensions = $this->listUtility->getAvailableExtensions();
        if (isset($availableExtensions[$extensionKey])) {
            $extensionArray = $this->listUtility->enrichExtensionsWithEmConfAndTerInformation(
                array(
                    $extensionKey => $availableExtensions[$extensionKey]
                )
            );
            $extensionModelUtility = $this->objectManager->get('TYPO3\\CMS\\Extensionmanager\\Utility\\ExtensionModelUtility');
            $extension = $extensionModelUtility->mapExtensionArrayToModel($extensionArray[$extensionKey]);
        } else {
            throw new ExtensionManagerException('Extension ' . $extensionKey . ' is not available', 1402421007);
        }
        $this->dependencyUtility->checkDependencies($extension);
        $this->view->assign('extension', $extension);
        $this->view->assign('unresolvedDependencies', $this->dependencyUtility->getDependencyErrors());
    }

    public function terAction($search = '') {
        $search = trim($search);
        if (!empty($search)) {
            $extensions = $this->extensionRepository->findByTitleOrAuthorNameOrExtensionKey($search);
        } else {
            $extensions = $this->extensionRepository->findAll();
        }
        $availableAndInstalledExtensions = $this->listUtility->getAvailableAndInstalledExtensions($this->listUtility->getAvailableExtensions());
        $this->view->assign('extensions', $extensions)
                ->assign('search', $search)
                ->assign('availableAndInstalled', $availableAndInstalledExtensions);
    }

    public function distributionsAction() {
        $importExportInstalled = \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::isLoaded('impexp');
        if ($importExportInstalled) {
            try {
                $repositoryHelper = $this->objectManager->get('TYPO3\\CMS\\Extensionmanager\\Utility\\Repository\\Helper');
                // Check if a TER update has been done at all, if not, fetch it directly
                // Repository needs an update, but not because of the extension hash has changed
                $isExtListUpdateNecessary = $repositoryHelper->isExtListUpdateNecessary();
                if ($isExtListUpdateNecessary > 0 && ($isExtListUpdateNecessary & $repositoryHelper::PROBLEM_EXTENSION_HASH_CHANGED) === 0) {
                    $repositoryHelper->updateExtList();
                }
            } catch (ExtensionManagerException $e) {
                $this->addFlashMessage(htmlspecialchars($e->getMessage()), $e->getCode(), FlashMessage::ERROR);
            }

            $officialDistributions = $this->extensionRepository->findAllOfficialDistributions();
            $this->view->assign('officialDistributions', $officialDistributions);

            $communityDistributions = $this->extensionRepository->findAllCommunityDistributions();
            $this->view->assign('communityDistributions', $communityDistributions);
        }
        $this->view->assign('enableDistributionsView', $importExportInstalled);
    }

    public function showAllVersionsAction($extensionKey) {
        $currentVersion = $this->extensionRepository->findOneByCurrentVersionByExtensionKey($extensionKey);
        $extensions = $this->extensionRepository->findByExtensionKeyOrderedByVersion($extensionKey);

        $this->view->assignMultiple(
            array(
                'extensionKey' => $extensionKey,
                'currentVersion' => $currentVersion,
                'extensions' => $extensions
            )
        );
    }
}