1 files changed, 97 insertions, 0 deletions
diff --git a/apps/comments/lib/Search/LegacyProvider.php b/apps/comments/lib/Search/LegacyProvider.php
new file mode 100644
index 00000000000..a269c418d06
--- /dev/null
+++ b/apps/comments/lib/Search/LegacyProvider.php
@@ -0,0 +1,97 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCA\Comments\Search;
+
+use OCP\Comments\IComment;
+use OCP\Comments\ICommentsManager;
+use OCP\Files\Folder;
+use OCP\Files\Node;
+use OCP\Files\NotFoundException;
+use OCP\IUser;
+use OCP\IUserSession;
+use OCP\Search\Provider;
+use OCP\Server;
+use function count;
+
+class LegacyProvider extends Provider {
+	/**
+	 * Search for $query
+	 *
+	 * @param string $query
+	 * @return array An array of OCP\Search\Result's
+	 * @since 7.0.0
+	 */
+	public function search($query): array {
+		$cm = Server::get(ICommentsManager::class);
+		$us = Server::get(IUserSession::class);
+
+		$user = $us->getUser();
+		if (!$user instanceof IUser) {
+			return [];
+		}
+		$uf = \OC::$server->getUserFolder($user->getUID());
+
+		if ($uf === null) {
+			return [];
+		}
+
+		$result = [];
+		$numComments = 50;
+		$offset = 0;
+
+		while (count($result) < $numComments) {
+			/** @var IComment[] $comments */
+			$comments = $cm->search($query, 'files', '', 'comment', $offset, $numComments);
+
+			foreach ($comments as $comment) {
+				if ($comment->getActorType() !== 'users') {
+					continue;
+				}
+
+				$displayName = $cm->resolveDisplayName('user', $comment->getActorId());
+
+				try {
+					$file = $this->getFileForComment($uf, $comment);
+					$result[] = new Result($query,
+						$comment,
+						$displayName,
+						$file->getPath()
+					);
+				} catch (NotFoundException $e) {
+					continue;
+				}
+			}
+
+			if (count($comments) < $numComments) {
+				// Didn't find more comments when we tried to get, so there are no more comments.
+				return $result;
+			}
+
+			$offset += $numComments;
+			$numComments = 50 - count($result);
+		}
+
+		return $result;
+	}
+
+	/**
+	 * @param Folder $userFolder
+	 * @param IComment $comment
+	 * @return Node
+	 * @throws NotFoundException
+	 */
+	protected function getFileForComment(Folder $userFolder, IComment $comment): Node {
+		$nodes = $userFolder->getById((int)$comment->getObjectId());
+		if (empty($nodes)) {
+			throw new NotFoundException('File not found');
+		}
+
+		return array_shift($nodes);
+	}
+}