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modules/ps_facebook/classes/Provider/PrevalidationScanCacheProvider.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 Academic Free License version 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/AFL-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.
+ *
+ * @author    PrestaShop SA and Contributors <contact@prestashop.com>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
+ */
+
+namespace PrestaShop\Module\PrestashopFacebook\Provider;
+
+use Ps_facebook;
+use Symfony\Component\Filesystem\Filesystem;
+use Symfony\Component\Finder\Finder;
+
+class PrevalidationScanCacheProvider
+{
+    public const CACHE_KEY_SUMMARY = 'summary_';
+    public const CACHE_KEY_PAGE = 'page_';
+
+    /**
+     * @var string
+     */
+    protected $cachePath;
+
+    /**
+     * @var Filesystem
+     */
+    protected $filesystem;
+
+    /**
+     * @param string $cachePath
+     */
+    public function __construct(Ps_facebook $module, $cachePath)
+    {
+        $this->cachePath = $cachePath . '/' . $module->name . '/';
+        $this->filesystem = new Filesystem();
+    }
+
+    /**
+     * @param string $cacheKey
+     */
+    public function get($cacheKey)
+    {
+        if (!file_exists($this->getCacheFilePath($cacheKey))) {
+            return null;
+        }
+
+        return file_get_contents($this->getCacheFilePath($cacheKey));
+    }
+
+    /**
+     * @param string $cacheKey
+     * @param string $content
+     */
+    public function set($cacheKey, $content)
+    {
+        $this->filesystem->dumpFile($this->getCacheFilePath($cacheKey), $content);
+    }
+
+    public function clear()
+    {
+        $this->filesystem->mkdir($this->cachePath);
+
+        $finder = Finder::create();
+        $files = $finder->files()->in($this->cachePath)->name('*.json');
+
+        foreach ($files as $file) {
+            $this->filesystem->remove($file);
+        }
+    }
+
+    /**
+     * @param string $cacheKey
+     *
+     * @return string
+     */
+    private function getCacheFilePath($cacheKey)
+    {
+        return $this->cachePath . $cacheKey . '.json';
+    }
+}