Use the querybuilder for the queries

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

lib/private/Repair/RemoveLinkShares.php

@@ -26,6 +26,7 @@ namespace OC\Repair;
 
 use Doctrine\DBAL\Driver\Statement;
 use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\IConfig;
 use OCP\IDBConnection;
 use OCP\IGroupManager;
@@ -98,27 +99,35 @@ class RemoveLinkShares implements IRepairStep {
 	 * @return int
 	 */
 	private function getTotal(): int {
-		$sql = 'SELECT COUNT(*) AS `total`
- 		FROM `*PREFIX*share`
-		WHERE `id` IN (
-			SELECT `s1`.`id`
-			FROM (
-				SELECT *
-				FROM `*PREFIX*share`
-				WHERE `parent` IS NOT NULL
-				AND `share_type` = 3
-			) AS s1
-			JOIN `*PREFIX*share` AS s2
-			ON `s1`.`parent` = `s2`.`id`
-			WHERE (`s2`.`share_type` = 1 OR `s2`.`share_type` = 2)
-			AND `s1`.`item_source` = `s2`.`item_source`
-		)';
-		$cursor = $this->connection->executeQuery($sql);
-		$data = $cursor->fetchAll();
-		$total = (int)$data[0]['total'];
-		$cursor->closeCursor();
-
-		return $total;
+		$subSubQuery = $this->connection->getQueryBuilder();
+		$subSubQuery->select('*')
+			->from('share')
+			->where($subSubQuery->expr()->isNotNull('parent'))
+			->andWhere($subSubQuery->expr()->eq('share_type', $subSubQuery->expr()->literal(3, IQueryBuilder::PARAM_INT)));
+
+		$subQuery = $this->connection->getQueryBuilder();
+		$subQuery->select('s1.id')
+			->from($subQuery->createFunction('(' . $subSubQuery->getSQL() . ')'), 's1')
+			->join(
+				's1', 'share', 's2',
+				$subQuery->expr()->eq('s1.parent', 's2.id')
+			)
+			->where($subQuery->expr()->orX(
+				$subQuery->expr()->eq('s2.share_type', $subQuery->expr()->literal(1, IQueryBuilder::PARAM_INT)),
+				$subQuery->expr()->eq('s2.share_type', $subQuery->expr()->literal(2, IQueryBuilder::PARAM_INT))
+			))
+			->andWhere($subQuery->expr()->eq('s1.item_source', 's2.item_source'));
+
+		$query = $this->connection->getQueryBuilder();
+		$query->select($query->func()->count('*', 'total'))
+			->from('share')
+			->where($query->expr()->in('id', $query->createFunction('(' . $subQuery->getSQL() . ')')));
+
+		$result = $query->execute();
+		$data = $result->fetch();
+		$result->closeCursor();
+
+		return (int) $data['total'];
 	}
 
 	/**
@@ -127,19 +136,25 @@ class RemoveLinkShares implements IRepairStep {
 	 * @return \Doctrine\DBAL\Driver\Statement
 	 */
 	private function getShares(): Statement {
-		$sql = 'SELECT `s1`.`id`, `s1`.`uid_owner`, `s1`.`uid_initiator`
-			FROM (
-				SELECT *
-				FROM `*PREFIX*share`
-				WHERE `parent` IS NOT NULL
-				AND `share_type` = 3
-			) AS s1
-			JOIN `*PREFIX*share` AS s2
-			ON `s1`.`parent` = `s2`.`id`
-			WHERE (`s2`.`share_type` = 1 OR `s2`.`share_type` = 2)
-			AND `s1`.`item_source` = `s2`.`item_source`';
-		$cursor = $this->connection->executeQuery($sql);
-		return $cursor;
+		$subQuery = $this->connection->getQueryBuilder();
+		$subQuery->select('*')
+			->from('share')
+			->where($subQuery->expr()->isNotNull('parent'))
+			->andWhere($subQuery->expr()->eq('share_type', $subQuery->expr()->literal(3, IQueryBuilder::PARAM_INT)));
+
+		$query = $this->connection->getQueryBuilder();
+		$query->select('s1.id', 's1.uid_owner', 's1.uid_initiator')
+			->from($query->createFunction('(' . $subQuery->getSQL() . ')'), 's1')
+			->join(
+				's1', 'share', 's2',
+				$query->expr()->eq('s1.parent', 's2.id')
+			)
+			->where($query->expr()->orX(
+				$query->expr()->eq('s2.share_type', $query->expr()->literal(1, IQueryBuilder::PARAM_INT)),
+				$query->expr()->eq('s2.share_type', $query->expr()->literal(2, IQueryBuilder::PARAM_INT))
+			))
+			->andWhere($query->expr()->eq('s1.item_source', 's2.item_source'));
+		return $query->execute();
 	}
 
 	/**