add Cache->getIncomplete for use in background scanning

1 files changed, 19 insertions, 0 deletions

diff --git a/lib/files/cache/cache.php b/lib/files/cache/cache.php
index 7c6bba4fadb..b52c0f40677 100644
--- a/lib/files/cache/cache.php
+++ b/lib/files/cache/cache.php
@@ -402,4 +402,23 @@ class Cache {
 		}
 		return $ids;
 	}
+
+	/**
+	 * find a folder in the cache which has not been fully scanned
+	 *
+	 * If multiply incomplete folders are in the cache, the one with the highest id will be returned,
+	 * use the one with the highest id gives the best result with the background scanner, since that is most
+	 * likely the folder where we stopped scanning previously
+	 *
+	 * @return string|bool the path of the folder or false when no folder matched
+	 */
+	public function getIncomplete(){
+		$query = \OC_DB::prepare('SELECT `path` FROM `*PREFIX*filecache` WHERE `storage` = ? AND `size` = -1 ORDER BY `fileid` DESC LIMIT 1');
+		$query->execute(array($this->storageId));
+		if($row = $query->fetchRow()){
+			return $row['path'];
+		}else{
+			return false;
+		}
+	}
 }