Add insertIgnoreConflict to Adapter and use it for for executing the file locking.

Signed-off-by: Ole Ostergaard <ole.c.ostergaard@gmail.com>

lib/private/DB/Adapter.php

@@ -126,4 +126,17 @@ class Adapter {
 			return 0;
 		}
 	}
+
+	public function insertIgnoreConflict($table, $input) : int {
+		try {
+			$builder = $this->conn->getQueryBuilder();
+			$builder->insert($table);
+			foreach($input as $key => $value) {
+				$builder->setValue($key, $builder->createNamedParameter($value));
+			}
+			return $builder->execute();
+		} catch(UniqueConstraintViolationException $e) {
+			return 0;
+		}
+	}
 }

lib/private/DB/Connection.php

@@ -257,6 +257,10 @@ class Connection extends ReconnectWrapper implements IDBConnection {
 		return $this->adapter->insertIfNotExist($table, $input, $compare);
 	}
 
+	public function insertIgnoreConflict($table, $input) : int {
+		return $this->adapter->insertIgnoreConflict($table, $input);
+	}
+
 	private function getType($value) {
 		if (is_bool($value)) {
 			return IQueryBuilder::PARAM_BOOL;

lib/private/Lock/DBLockingProvider.php

@@ -134,17 +134,7 @@ class DBLockingProvider extends AbstractLockingProvider {
 
 	protected function initLockField(string $path, int $lock = 0): int {
 		$expire = $this->getExpireTime();
-
-		try {
-			$builder = $this->connection->getQueryBuilder();
-			return $builder->insert('file_locks')
-				->setValue('key', $builder->createNamedParameter($path))
-				->setValue('lock', $builder->createNamedParameter($lock))
-				->setValue('ttl', $builder->createNamedParameter($expire))
-				->execute();
-		} catch(UniqueConstraintViolationException $e) {
-			return 0;
-		}
+		return $this->connection->insertIgnoreConflict('file_locks', ['key' => $path, 'lock' => $lock, 'ttl' => $expire]);
 	}
 
 	/**