ExtensionModelUtility.php

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

class ExtensionModelUtility {

    protected $objectManager;

    public function mapExtensionArrayToModel(array $extensionArray) {
        $extension = $this->objectManager->get('TYPO3\\CMS\\Extensionmanager\\Domain\\Model\\Extension');
        $extension->setExtensionKey($extensionArray['key']);
        if (isset($extensionArray['version'])) {
            $extension->setVersion($extensionArray['version']);
        }
        if (isset($extensionArray['constraints'])) {
            $extension->setDependencies($this->convertDependenciesToObjects(serialize($extensionArray['constraints'])));
        }
        return $extension;
    }

    public function convertDependenciesToObjects($dependencies) {
        $dependenciesObject = new \SplObjectStorage();
        $unserializedDependencies = unserialize($dependencies);
        if (!is_array($unserializedDependencies)) {
            return $dependenciesObject;
        }
        foreach ($unserializedDependencies as $dependencyType => $dependencyValues) {
            // Dependencies might be given as empty string, e.g. conflicts => ''
            if (!is_array($dependencyValues)) {
                continue;
            }
            foreach ($dependencyValues as $dependency => $versions) {
                if ($dependencyType && $dependency) {
                    $versionNumbers = \TYPO3\CMS\Core\Utility\VersionNumberUtility::convertVersionsStringToVersionNumbers($versions);
                    $lowest = $versionNumbers[0];
                    if (count($versionNumbers) === 2) {
                        $highest = $versionNumbers[1];
                    } else {
                        $highest = '';
                    }
                    $dependencyObject = $this->objectManager->get('TYPO3\\CMS\\Extensionmanager\\Domain\\Model\\Dependency');
                    $dependencyObject->setType($dependencyType);
                    $dependencyObject->setIdentifier($dependency);
                    $dependencyObject->setLowestVersion($lowest);
                    $dependencyObject->setHighestVersion($highest);
                    $dependenciesObject->attach($dependencyObject);
                    unset($dependencyObject);
                }
            }
        }
        return $dependenciesObject;
    }
}