Resize maximum dimensions for pictures coming from SocialApiService

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

1 files changed, 50 insertions, 0 deletions

diff --git a/lib/Service/ImageResizer.php b/lib/Service/ImageResizer.php
new file mode 100644
index 00000000..10581d09
--- /dev/null
+++ b/lib/Service/ImageResizer.php
@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2022 Thomas Citharel <nextcloud@tcit.fr>
+ *
+ * @author Thomas Citharel <nextcloud@tcit.fr>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Contacts\Service;
+
+use OCP\Image;
+
+class ImageResizer {
+	public const RESIZE_MAX_X = 256;
+	public const RESIZE_MAX_Y = 256;
+
+	/**
+	 * @param string $socialData
+	 * @return null|string
+	 */
+	public function resizeImage(string $socialData) {
+		$image = new Image();
+
+		$image->loadFromData($socialData);
+
+		if ($image->valid()) {
+			$image->scaleDownToFit(self::RESIZE_MAX_X, self::RESIZE_MAX_Y);
+			return $image->data();
+		}
+		return null;
+	}
+}