feat(comments): Allow to filter by topmost parent id

Signed-off-by: Joas Schilling <coding@schilljs.com>

Author: nickvergessen

lib/private/Comments/Manager.php

@@ -373,6 +373,7 @@ public function getForObjectSince(
 		string $sortDirection = 'asc',
 		int $limit = 30,
 		bool $includeLastKnown = false,
+		string $topMostParentId = '',
 	): array {
 		return $this->getCommentsWithVerbForObjectSinceComment(
 			$objectType,
@@ -381,7 +382,8 @@ public function getForObjectSince(
 			$lastKnownCommentId,
 			$sortDirection,
 			$limit,
-			$includeLastKnown
+			$includeLastKnown,
+			$topMostParentId,
 		);
 	}
 
@@ -404,6 +406,7 @@ public function getCommentsWithVerbForObjectSinceComment(
 		string $sortDirection = 'asc',
 		int $limit = 30,
 		bool $includeLastKnown = false,
+		string $topMostParentId = '',
 	): array {
 		$comments = [];
 
@@ -423,6 +426,13 @@ public function getCommentsWithVerbForObjectSinceComment(
 			$query->andWhere($query->expr()->in('verb', $query->createNamedParameter($verbs, IQueryBuilder::PARAM_STR_ARRAY)));
 		}
 
+		if ($topMostParentId !== '') {
+			$query->andWhere($query->expr()->orX(
+				$query->expr()->eq('id', $query->createNamedParameter($topMostParentId)),
+				$query->expr()->eq('topmost_parent_id', $query->createNamedParameter($topMostParentId)),
+			));
+		}
+
 		$lastKnownComment = $lastKnownCommentId > 0 ? $this->getLastKnownComment(
 			$objectType,
 			$objectId,