feat(file-search): add property to SearchQuery and check select fields to decide wheter to join extended cache

apps/dav/lib/Files/FileSearchBackend.php

@@ -347,6 +347,15 @@ private function transformQuery(Query $query, ?SearchBinaryOperator $scopeOperat
 			}
 		}, $query->orderBy);
 
+		$selectFields = [];
+		foreach ($query->select as $searchProperty) {
+			try {
+				$selectFields[] = $this->mapPropertyNameToColumn($searchProperty);
+			} catch (\InvalidArgumentException) {
+				// property does not represent a column on DB
+			}
+		}
+
 		$limit = $query->limit;
 		$maxResults = $limit->maxResults !== 0 ? (int)$limit->maxResults : 100;
 		$offset = $limit->firstResult;
@@ -380,7 +389,8 @@ private function transformQuery(Query $query, ?SearchBinaryOperator $scopeOperat
 			$offset,
 			$orders,
 			$this->user,
-			$limitHome
+			$limitHome,
+			$selectFields
 		);
 	}
 

lib/private/Files/Cache/QuerySearchHelper.php

@@ -151,13 +151,16 @@ public function searchInCaches(ISearchQuery $searchQuery, array $caches): array
 
 		$builder = $this->getQueryBuilder();
 
-		$requestedFields = $this->searchBuilder->extractRequestedFields($searchQuery->getSearchOperation());
-
-		$orderFields = array_map(fn ($order) => $order->getField(), $searchQuery->getOrder());
+		$requestedFields = array_merge(
+			$this->searchBuilder->extractRequestedFields($searchQuery->getSearchOperation()),
+			array_map(fn ($order) => $order->getField(), $searchQuery->getOrder()),
+			$searchQuery->getSelectFields(),
+		);
 
-		$joinExtendedCache = in_array('creation_time', $requestedFields)
+		$joinExtendedCache = in_array('metadata_etag', $requestedFields)
+			|| in_array('creation_time', $requestedFields)
 			|| in_array('upload_time', $requestedFields)
-			|| in_array('last_activity', $orderFields);
+			|| in_array('last_activity', $requestedFields);
 
 		$query = $builder->selectFileCache('file', $joinExtendedCache);
 

lib/private/Files/Search/SearchQuery.php

@@ -16,6 +16,7 @@
 class SearchQuery implements ISearchQuery {
 	/**
 	 * @param ISearchOrder[] $order
+	 * @param list<string> $selectFields
 	 */
 	public function __construct(
 		private ISearchOperator $searchOperation,
@@ -24,6 +25,7 @@ public function __construct(
 		private array $order,
 		private ?IUser $user = null,
 		private bool $limitToHome = false,
+		private array $selectFields = [],
 	) {
 	}
 
@@ -59,4 +61,9 @@ public function getUser(): ?IUser {
 	public function limitToHome(): bool {
 		return $this->limitToHome;
 	}
+
+	#[\Override]
+	public function getSelectFields(): array {
+		return $this->selectFields;
+	}
 }

lib/public/Files/Search/ISearchQuery.php

@@ -57,4 +57,12 @@ public function getUser();
 	 * @since 18.0.0
 	 */
 	public function limitToHome(): bool;
+
+	/**
+	 * The fields to include in the search results
+	 *
+	 * @return list<string>
+	 * @since 35.0.0
+	 */
+	public function getSelectFields(): array;
 }