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typo3/sysext/extensionmanager/Classes/Utility/ExtensionModelUtility.php

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+<?php
+namespace TYPO3\CMS\Extensionmanager\Utility;
+
+/*
+ * 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!
+ */
+
+/**
+ * Utility for dealing with extension model related helper functions
+ * @internal This class is a specific ExtensionManager implementation and is not part of the Public TYPO3 API.
+ */
+class ExtensionModelUtility
+{
+    /**
+     * @var \TYPO3\CMS\Extbase\Object\ObjectManager
+     */
+    protected $objectManager;
+
+    /**
+     * @param \TYPO3\CMS\Extbase\Object\ObjectManager $objectManager
+     */
+    public function injectObjectManager(\TYPO3\CMS\Extbase\Object\ObjectManager $objectManager)
+    {
+        $this->objectManager = $objectManager;
+    }
+
+    /**
+     * Map a legacy extension array to an object
+     *
+     * @param array $extensionArray
+     * @return \TYPO3\CMS\Extensionmanager\Domain\Model\Extension
+     */
+    public function mapExtensionArrayToModel(array $extensionArray)
+    {
+        /** @var \TYPO3\CMS\Extensionmanager\Domain\Model\Extension $extension */
+        $extension = $this->objectManager->get(\TYPO3\CMS\Extensionmanager\Domain\Model\Extension::class);
+        $extension->setExtensionKey($extensionArray['key']);
+        if (isset($extensionArray['version'])) {
+            $extension->setVersion($extensionArray['version']);
+        }
+        if (isset($extensionArray['constraints'])) {
+            $extension->setDependencies($this->convertDependenciesToObjects(serialize($extensionArray['constraints'])));
+        }
+        return $extension;
+    }
+
+    /**
+     * Converts string dependencies to an object storage of dependencies
+     *
+     * @param string $dependencies
+     * @return \SplObjectStorage
+     */
+    public function convertDependenciesToObjects($dependencies)
+    {
+        $dependenciesObject = new \SplObjectStorage();
+        $unserializedDependencies = unserialize($dependencies, ['allowed_classes' => false]);
+        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 = '';
+                    }
+                    /** @var \TYPO3\CMS\Extensionmanager\Domain\Model\Dependency $dependencyObject */
+                    $dependencyObject = $this->objectManager->get(\TYPO3\CMS\Extensionmanager\Domain\Model\Dependency::class);
+                    $dependencyObject->setType($dependencyType);
+                    // dynamically migrate 'cms' dependency to 'core' dependency
+                    // see also \TYPO3\CMS\Core\Package\Package::getPackageMetaData
+                    $dependencyObject->setIdentifier($dependency === 'cms' ? 'core' : $dependency);
+                    $dependencyObject->setLowestVersion($lowest);
+                    $dependencyObject->setHighestVersion($highest);
+                    $dependenciesObject->attach($dependencyObject);
+                    unset($dependencyObject);
+                }
+            }
+        }
+        return $dependenciesObject;
+    }
+}