Add product image sync plugin

Plugin/Catalog/Product/Image.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace AuroraExtensions\GoogleCloudStorage\Plugin\Catalog\Product;
+
+use AuroraExtensions\GoogleCloudStorage\Model\File\Storage;
+use Magento\Catalog\Model\Product\Image as ProductImage;
+use Magento\Catalog\Model\Product\Media\Config;
+use Magento\Framework\Filesystem;
+use Magento\Framework\Filesystem\Directory\WriteInterface;
+use Magento\Framework\App\Filesystem\DirectoryList;
+
+class Image
+{
+    /**
+     * @var Storage\BucketFactory
+     */
+    protected $storageFactory;
+
+    /**
+     * @var WriteInterface
+     */
+    protected $mediaDirectory;
+
+    /**
+     * @var Config
+     */
+    protected $mediaConfig;
+
+    public function __construct(
+        Filesystem $filesystem,
+        Config $mediaConfig,
+        Storage\BucketFactory $storageFactory
+    ) {
+        $this->mediaDirectory = $filesystem->getDirectoryWrite(DirectoryList::MEDIA);
+        $this->mediaConfig    = $mediaConfig;
+        $this->storageFactory = $storageFactory;
+    }
+
+    public function beforeSetBaseFile(ProductImage $image, $file)
+    {
+        $relativeFileName = $this->mediaConfig->getBaseMediaPath() . $file;
+
+        if ($this->mediaDirectory->isFile($relativeFileName)) {
+            return;
+        }
+
+        /** @var $storage Storage\Bucket */
+        $storage = $this->storageFactory->create();
+        try {
+            $storage->loadByFilename($relativeFileName);
+        } catch (\Exception $e) {
+        }
+        if ($storage->getId()) {
+            /** @var WriteInterface $file */
+            $file = $this->mediaDirectory->openFile($relativeFileName, 'w');
+            try {
+                $file->lock();
+                $file->write($storage->getContent());
+                $file->unlock();
+                $file->close();
+            } catch (FileSystemException $e) {
+                $file->close();
+            }
+        }
+    }
+}

etc/di.xml

@@ -110,4 +110,9 @@
                 type="AuroraExtensions\GoogleCloudStorage\Plugin\MediaStorage\Config\SynchronizeStorageParams"
                 sortOrder="10"/>
     </type>
+    <type name="Magento\Catalog\Model\Product\Image">
+        <plugin name="googlecloudstorage_catalog_product_image"
+                type="AuroraExtensions\GoogleCloudStorage\Plugin\Catalog\Product\Image"
+                sortOrder="10"/>
+    </type>
 </config>