feat: add a specialized writeStream implementation for s3 external st…

…orage

Signed-off-by: Robin Appelman <robin@icewind.nl>

apps/files_external/lib/Lib/Storage/AmazonS3.php

@@ -8,6 +8,7 @@
 
 use Aws\S3\Exception\S3Exception;
 use Icewind\Streams\CallbackWrapper;
+use Icewind\Streams\CountWrapper;
 use Icewind\Streams\IteratorDirectory;
 use OC\Files\Cache\CacheEntry;
 use OC\Files\ObjectStore\S3ConnectionTrait;
@@ -754,4 +755,18 @@ public function hasUpdated($path, $time) {
 			return true;
 		}
 	}
+
+	public function writeStream(string $path, $stream, ?int $size = null): int {
+		if ($size === null) {
+			$stream = CountWrapper::wrap($stream, function ($writtenSize) use (&$size) {
+				$size = $writtenSize;
+			});
+		}
+
+		$path = $this->normalizePath($path);
+		$this->writeObject($path, $stream, $this->mimeDetector->detectPath($path));
+		$this->invalidateCache($path);
+
+		return $size;
+	}
 }