1 files changed, 91 insertions, 0 deletions
diff --git a/lib/private/Collaboration/Resources/Resource.php b/lib/private/Collaboration/Resources/Resource.php
new file mode 100644
index 00000000000..f82ceff5596
--- /dev/null
+++ b/lib/private/Collaboration/Resources/Resource.php
@@ -0,0 +1,91 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2018 Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Collaboration\Resources;
+
+
+use OCP\Collaboration\Resources\ICollection;
+use OCP\Collaboration\Resources\IManager;
+use OCP\Collaboration\Resources\IResource;
+use OCP\IDBConnection;
+
+class Resource implements IResource {
+
+	/** @var IManager */
+	protected $manager;
+
+	/** @var IDBConnection */
+	protected $connection;
+
+	/** @var string */
+	protected $type;
+
+	/** @var string */
+	protected $id;
+
+	public function __construct(IManager $manager, IDBConnection $connection, string $type, string $id) {
+		$this->manager = $manager;
+		$this->connection = $connection;
+		$this->type = $type;
+		$this->id = $id;
+	}
+
+	/**
+	 * @return string
+	 * @since 15.0.0
+	 */
+	public function getType(): string {
+		return $this->type;
+	}
+
+	/**
+	 * @return string
+	 * @since 15.0.0
+	 */
+	public function getId(): string {
+		return $this->id;
+	}
+
+	/**
+	 * @param IResource $resource
+	 * @return ICollection[]
+	 * @since 15.0.0
+	 */
+	public function getCollections(IResource $resource): array {
+		$collections = [];
+
+		$query = $this->connection->getQueryBuilder();
+
+		$query->select('collection_id')
+			->from('collres_resources')
+			->where($query->expr()->eq('resource_type', $query->createNamedParameter($resource->getType())))
+			->andWhere($query->expr()->eq('resource_id', $query->createNamedParameter($resource->getId())));
+
+		$result = $query->execute();
+		while ($row = $result->fetch()) {
+			$collections[] = $this->manager->getCollection((int) $row['collection_id']);
+		}
+		$result->closeCursor();
+
+		return $collections;
+	}
+}