Merge pull request #1848 from rickclephas/feature/gcs-streaming-reads

[GCS] Add option to stream reads

Author: frankdejonge

src/GoogleCloudStorage/GoogleCloudStorageAdapter.php

@@ -60,7 +60,8 @@ public function __construct(
         string $prefix = '',
         ?VisibilityHandler $visibilityHandler = null,
         private string $defaultVisibility = Visibility::PRIVATE,
-        ?MimeTypeDetector $mimeTypeDetector = null
+        ?MimeTypeDetector $mimeTypeDetector = null,
+        private bool $streamReads = false,
     ) {
         $this->prefixer = new PathPrefixer($prefix);
         $this->visibilityHandler = $visibilityHandler ?? new PortableVisibilityHandler();
@@ -170,9 +171,13 @@ public function read(string $path): string
     public function readStream(string $path)
     {
         $prefixedPath = $this->prefixer->prefixPath($path);
+        $options = [];
+        if ($this->streamReads) {
+            $options['restOptions']['stream'] = true;
+        }
 
         try {
-            $stream = $this->bucket->object($prefixedPath)->downloadAsStream()->detach();
+            $stream = $this->bucket->object($prefixedPath)->downloadAsStream($options)->detach();
         } catch (Throwable $exception) {
             throw UnableToReadFile::fromLocation($path, $exception->getMessage(), $exception);
         }