AZStd::vector AWSGameLiftServerManager::GetActivePlayerSessions()

in Gems/AWSGameLift/Code/AWSGameLiftServer/Source/AWSGameLiftServerManager.cpp [310:368]
58 lines of code
8 McCabe index (conditional complexity)

    AZStd::vector<Aws::GameLift::Server::Model::PlayerSession> AWSGameLiftServerManager::GetActivePlayerSessions()
    {
        Aws::GameLift::Server::Model::DescribePlayerSessionsRequest describeRequest;
        describeRequest.SetGameSessionId(m_gameSession.GetGameSessionId());
        describeRequest.SetPlayerSessionStatusFilter(
            Aws::GameLift::Server::Model::PlayerSessionStatusMapper::GetNameForPlayerSessionStatus(
                Aws::GameLift::Server::Model::PlayerSessionStatus::ACTIVE));
        int maxPlayerSession = m_gameSession.GetMaximumPlayerSessionCount();

        AZStd::vector<Aws::GameLift::Server::Model::PlayerSession> activePlayerSessions;
        if (maxPlayerSession <= AWSGameLiftDescribePlayerSessionsPageSize)
        {
            describeRequest.SetLimit(maxPlayerSession);
            auto outcome = m_gameLiftServerSDKWrapper->DescribePlayerSessions(describeRequest);
            if (outcome.IsSuccess())
            {
                for (auto playerSession : outcome.GetResult().GetPlayerSessions())
                {
                    activePlayerSessions.push_back(playerSession);
                }
            }
            else
            {
                AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftDescribePlayerSessionsErrorMessage,
                    outcome.GetError().GetErrorMessage().c_str());
            }
        }
        else
        {
            describeRequest.SetLimit(AWSGameLiftDescribePlayerSessionsPageSize);
            while (true)
            {
                auto outcome = m_gameLiftServerSDKWrapper->DescribePlayerSessions(describeRequest);
                if (outcome.IsSuccess())
                {
                    for (auto playerSession : outcome.GetResult().GetPlayerSessions())
                    {
                        activePlayerSessions.push_back(playerSession);
                    }
                    if (outcome.GetResult().GetNextToken().empty())
                    {
                        break;
                    }
                    else
                    {
                        describeRequest.SetNextToken(outcome.GetResult().GetNextToken());
                    }
                }
                else
                {
                    activePlayerSessions.clear();
                    AZ_Error(AWSGameLiftServerManagerName, false, AWSGameLiftDescribePlayerSessionsErrorMessage,
                        outcome.GetError().GetErrorMessage().c_str());
                    break;
                }
            }
        }
        return activePlayerSessions;
    }