AccessManager::canLeave

public function canLeave(): bool
{
	$this->checkGroupEntityFields([
		'ID',
		'PROJECT',
		'SCRUM_MASTER_ID',
	]);
	$this->checkRelationEntityFields($this->currentUserRelation, [
		'GROUP_ID',
		'USER_ID',
		'ROLE',
		'AUTO_MEMBER',
	]);

	if (
		!$this->currentUserRelation
		|| !$this->checkRelationGroupId($this->currentUserRelation)
	)
	{
		return false;
	}

	if (!in_array($this->currentUserRelation->get('ROLE'), [
		UserToGroupTable::ROLE_USER ,
		UserToGroupTable::ROLE_MODERATOR
	], true))
	{
		return false;
	}

	if ($this->currentUserRelation->get('AUTO_MEMBER'))
	{
		return false;
	}

	if ($this->checkScrumMaster($this->currentUserRelation))
	{
		return false;
	}

	return true;
}