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classes/assets/CccReducer.php

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+<?php
+
+/**
+ * Copyright since 2007 PrestaShop SA and Contributors
+ * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.md.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@prestashop.com so we can send you a copy immediately.
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+ * versions in the future. If you wish to customize PrestaShop for your
+ * needs please refer to https://devdocs.prestashop.com/ for more information.
+ *
+ * @author    PrestaShop SA and Contributors <contact@prestashop.com>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ */
+use PrestaShop\PrestaShop\Core\ConfigurationInterface;
+use Symfony\Component\Filesystem\Filesystem;
+
+class CccReducerCore
+{
+    /** @var string */
+    private $cacheDir;
+    /** @var Filesystem */
+    protected $filesystem;
+
+    use PrestaShop\PrestaShop\Adapter\Assets\AssetUrlGeneratorTrait;
+
+    /**
+     * @param string $cacheDir
+     * @param ConfigurationInterface $configuration
+     * @param Filesystem $filesystem
+     */
+    public function __construct($cacheDir, ConfigurationInterface $configuration, Filesystem $filesystem)
+    {
+        $this->cacheDir = $cacheDir;
+        $this->configuration = $configuration;
+        $this->filesystem = $filesystem;
+
+        if (!is_dir($this->cacheDir)) {
+            $this->filesystem->mkdir($this->cacheDir);
+        }
+    }
+
+    /**
+     * @param array $cssFileList
+     *
+     * @return array Same list, reduced
+     */
+    public function reduceCss($cssFileList)
+    {
+        $files = [];
+        foreach ($cssFileList['external'] as $key => &$css) {
+            if ('all' === $css['media'] && 'local' === $css['server']) {
+                $files[] = $this->getPathFromUri($css['path']);
+                unset($cssFileList['external'][$key]);
+            }
+        }
+
+        $version = Configuration::get('PS_CCCCSS_VERSION');
+        $cccFilename = 'theme-' . $this->getFileNameIdentifierFromList($files) . $version . '.css';
+        $destinationPath = $this->cacheDir . $cccFilename;
+
+        if (!$this->filesystem->exists($destinationPath)) {
+            CssMinifier::minify($files, $destinationPath);
+        }
+        if (Tools::hasMediaServer()) {
+            $relativePath = _THEMES_DIR_ . _THEME_NAME_ . '/assets/cache/' . $cccFilename;
+            $destinationUri = Tools::getCurrentUrlProtocolPrefix() . Tools::getMediaServer($relativePath) . $relativePath;
+        } else {
+            $destinationUri = $this->getFQDN() . $this->getUriFromPath($destinationPath);
+        }
+
+        $cssFileList['external']['theme-ccc'] = [
+            'id' => 'theme-ccc',
+            'type' => 'external',
+            'path' => $destinationPath,
+            'uri' => $destinationUri,
+            'media' => 'all',
+            'priority' => StylesheetManager::DEFAULT_PRIORITY,
+        ];
+
+        return $cssFileList;
+    }
+
+    /**
+     * @param array $jsFileList
+     *
+     * @return array Same list, reduced
+     */
+    public function reduceJs($jsFileList)
+    {
+        foreach ($jsFileList as $position => &$list) {
+            $files = [];
+            foreach ($list['external'] as $key => $js) {
+                // We only CCC the file without 'refer' or 'async'
+                if ('' === $js['attribute'] && 'local' === $js['server']) {
+                    $files[] = $this->getPathFromUri($js['path']);
+                    unset($list['external'][$key]);
+                }
+            }
+
+            if (empty($files)) {
+                // No file to CCC
+                continue;
+            }
+
+            $version = Configuration::get('PS_CCCJS_VERSION');
+            $cccFilename = $position . '-' . $this->getFileNameIdentifierFromList($files) . $version . '.js';
+            $destinationPath = $this->cacheDir . $cccFilename;
+
+            if (!$this->filesystem->exists($destinationPath)) {
+                JsMinifier::minify($files, $destinationPath);
+            }
+            if (Tools::hasMediaServer()) {
+                $relativePath = _THEMES_DIR_ . _THEME_NAME_ . '/assets/cache/' . $cccFilename;
+                $destinationUri = Tools::getCurrentUrlProtocolPrefix() . Tools::getMediaServer($relativePath) . $relativePath;
+            } else {
+                $destinationUri = $this->getFQDN() . $this->getUriFromPath($destinationPath);
+            }
+
+            $cccItem = [];
+            $cccItem[$position . '-js-ccc'] = [
+                'id' => $position . '-js-ccc',
+                'type' => 'external',
+                'path' => $destinationPath,
+                'uri' => $destinationUri,
+                'priority' => JavascriptManager::DEFAULT_PRIORITY,
+                'attribute' => '',
+            ];
+            $list['external'] = array_merge($cccItem, $list['external']);
+        }
+
+        return $jsFileList;
+    }
+
+    /**
+     * @param string[] $files
+     *
+     * @return string
+     */
+    private function getFileNameIdentifierFromList(array $files)
+    {
+        return substr(sha1(implode('|', $files)), 0, 6);
+    }
+}