年龄检查

如果需要年龄门槛，现在必须进行一次 /age-gate/check 的 API 调用，以确定下一步的工作流程。如果玩家的年龄低于发布者门户中为游戏配置的最低年龄，返回的 status 字段将为 PROHIBITED。此时，玩家应被阻止继续游戏。如果玩家提供了需要在当前地点获得可验证的家长同意的出生日期，则 status 字段的值将为 CHALLENGE，并且一个新的同意挑战的 ID 将在名为 challengeID 的字段中返回。此时，游戏必须要求玩家寻求家长同意。最后，如果 status 的值为 PASS，则玩家可以继续进入游戏。

用Unreal C++创建会话

void UKidWorkflow::StartKidSessionWithDOB(const FString& Location, const FString& DOB)
{
    TSharedPtr<FJsonObject> JsonObject = MakeShareable(new FJsonObject());
    JsonObject->SetStringField(TEXT("dateOfBirth"), DOB);
    JsonObject->SetStringField(TEXT("jurisdiction"), Location);

    FString ContentJsonString;
    TSharedRef<TJsonWriter<>> Writer = TJsonWriterFactory<>::Create(&ContentJsonString);
    FJsonSerializer::Serialize(JsonObject.ToSharedRef(), Writer);

    HttpRequestHelper::PostRequestWithAuth(BaseUrl + TEXT("/age-gate/check"), ContentJsonString, 
                    AuthToken, [this](FHttpResponsePtr Response, bool bWasSuccessful)
    {
        if (bWasSuccessful)
        {
            TSharedPtr<FJsonObject> JsonResponse;
            TSharedRef<TJsonReader<>> Reader = 
                    TJsonReaderFactory<>::Create(Response->GetContentAsString());
            if (FJsonSerializer::Deserialize(Reader, JsonResponse))
            {
                FString Status = JsonResponse->GetStringField(TEXT("status"));
                if (Status == TEXT("CHALLENGE"))
                {
                    TSharedPtr<FJsonObject> Challenge = 
                            JsonResponse->GetObjectField(TEXT("challenge"));
                    FString ChallengeId = 
                            Challenge->GetStringField(TEXT("challengeId"));
                    FString OneTimePassword = 
                            Challenge->GetStringField(TEXT("oneTimePassword"));
                    FString QRCodeUrl = 
                            Challenge->GetStringField(TEXT("url"));
                    SaveChallengeId(ChallengeId);

                    ShowConsentChallenge(ChallengeId, ConsentTimeoutSeconds, OneTimePassword, 
                            QRCodeUrl, [this](bool bConsentGranted, const FString &SessionId)
                    {
                        if (bConsentGranted)
                        {
                            GetSessionPermissions(SessionId, TEXT(""));
                            ClearChallengeId();
                        }
                        else
                        {
                            HandleNoConsent();
                        }
                    });
                }
                else if (Status == TEXT("PASS"))
                {
                    SessionInfo = JsonResponse->GetObjectField(TEXT("session"));
                    SaveSessionInfo();
                }
                else if (Status == TEXT("PROHIBITED"))
                {
                    HandleProhibitedStatus();
                }
            }
        }
    });
}