WorkgroupUserEvent::collectOldData

protected function collectOldData(): void
{
	$relationKey = $this->getRelationKey();
	$oldFields = $this->getOldFields();

	if (
		$relationKey !== ''
		&& !isset($oldFields[$relationKey])
	)
	{
		$oldFields[$relationKey] = UserToGroupTable::getList([
			'filter' => [
				'USER_ID' => $this->getUserId(),
				'GROUP_ID' => $this->getGroupId(),
			],
			'select' => [
				'ROLE',
				'GROUP_VISIBLE' => 'GROUP.VISIBLE',
			],
		])->fetch();
	}
}