CacheJail should apply limit and offset after searching

Else the results might not be correct.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

apps/dav/lib/Files/FileSearchBackend.php

@@ -271,7 +271,7 @@ class FileSearchBackend implements ISearchBackend {
 		// TODO offset
 		$limit = $query->limit;
 		$orders = array_map([$this, 'mapSearchOrder'], $query->orderBy);
-		return new SearchQuery($this->transformSearchOperation($query->where), $limit->maxResults, 0, $orders, $this->user);
+		return new SearchQuery($this->transformSearchOperation($query->where), (int)$limit->maxResults, 0, $orders, $this->user);
 	}
 
 	/**

lib/private/Files/Cache/Wrapper/CacheJail.php

@@ -29,6 +29,7 @@
 namespace OC\Files\Cache\Wrapper;
 
 use OC\Files\Cache\Cache;
+use OC\Files\Search\SearchQuery;
 use OCP\Files\Cache\ICacheEntry;
 use OCP\Files\Search\ISearchQuery;
 
@@ -236,8 +237,14 @@ class CacheJail extends CacheWrapper {
 	}
 
 	public function searchQuery(ISearchQuery $query) {
-		$results = $this->getCache()->searchQuery($query);
-		return $this->formatSearchResults($results);
+		$simpleQuery = new SearchQuery($query->getSearchOperation(), 0, 0, $query->getOrder(), $query->getUser());
+		$results = $this->getCache()->searchQuery($simpleQuery);
+		$results = $this->formatSearchResults($results);
+
+		$limit = $query->getLimit() === 0 ? NULL : $query->getLimit();
+		$results = array_slice($results, $query->getOffset(), $limit);
+
+		return $results;
 	}
 
 	/**