Provide hasPreview in files_versions DAV API

This allow to no request non existing previews
I also set some properties to the img element to reduce preview loading to what the browser think is necessary

Signed-off-by: Louis Chemineau <louis@chmn.me>

1 files changed, 5 insertions, 0 deletions

diff --git a/apps/files_versions/lib/Sabre/VersionFile.php b/apps/files_versions/lib/Sabre/VersionFile.php
index 8fd97b0636f..bb05d66460a 100644
--- a/apps/files_versions/lib/Sabre/VersionFile.php
+++ b/apps/files_versions/lib/Sabre/VersionFile.php
@@ -31,6 +31,7 @@ use OCA\Files_Versions\Versions\INameableVersion;
 use OCA\Files_Versions\Versions\INameableVersionBackend;
 use OCA\Files_Versions\Versions\IVersion;
 use OCA\Files_Versions\Versions\IVersionManager;
+use OCP\Files\FileInfo;
 use OCP\Files\NotFoundException;
 use Sabre\DAV\Exception\Forbidden;
 use Sabre\DAV\Exception\NotFound;
@@ -60,6 +61,10 @@ class VersionFile implements IFile {
 		}
 	}
 
+	public function getSourceFile(): FileInfo {
+		return $this->version->getSourceFile();
+	}
+
 	public function getContentType(): string {
 		return $this->version->getMimeType();
 	}