nextcloud / deck

		return $this->findEntities($sql, [$boardId], $limit, $offset);

	}

	public function isOwner($userId, $aclId) {

		$sql = 'SELECT owner FROM `*PREFIX*deck_boards` WHERE `id` IN (SELECT board_id FROM `*PREFIX*deck_board_acl` WHERE id = ?)';

		$stmt = $this->execute($sql, [$aclId]);

		$row = $stmt->fetch();

		return ($row['owner'] === $userId);

	}

	public function findBoardId($aclId) {

		$entity = $this->find($aclId);

		return parent::delete($entity);

	}

	public function isOwner($userId, $stackId) {

		$sql = 'SELECT owner FROM `*PREFIX*deck_boards` WHERE `id` IN (SELECT board_id FROM `*PREFIX*deck_stacks` WHERE id = ?)';

		$stmt = $this->execute($sql, [$stackId]);

		$row = $stmt->fetch();

		return ($row['owner'] === $userId);

	}

	public function findBoardId($stackId) {

		$entity = $this->find($stackId);

		$stmt->execute();

	}

	public function isOwner($userId, $cardId) {

		$sql = 'SELECT owner FROM `*PREFIX*deck_boards` WHERE `id` IN (SELECT board_id FROM `*PREFIX*deck_stacks` WHERE id IN (SELECT stack_id FROM `*PREFIX*deck_cards` WHERE id = ?))';

		$stmt = $this->execute($sql, [$cardId]);

		$row = $stmt->fetch();

		return ($row['owner'] === $userId);

	}

	public function findBoardId($cardId) {

		$sql = 'SELECT id FROM `*PREFIX*deck_boards` WHERE `id` IN (SELECT board_id FROM `*PREFIX*deck_stacks` WHERE id IN (SELECT stack_id FROM `*PREFIX*deck_cards` WHERE id = ?))';

		$stmt->execute();

	}

	public function isOwner($userId, $labelId) {

		$sql = 'SELECT owner FROM `*PREFIX*deck_boards` WHERE `id` IN (SELECT board_id FROM `*PREFIX*deck_labels` WHERE id = ?)';

		$stmt = $this->execute($sql, [$labelId]);

		$row = $stmt->fetch();

		return ($row['owner'] === $userId);

	}

	public function findBoardId($labelId) {

		$entity = $this->find($labelId);