Get Channel List

Get the list of channels.

WebSocket Method

Get the list of currently accessible channels via WebSocket.

Method Information

Item	Content
Method	AChatManager::GetInstance()->GetChannels()
Callback	OnChannels(const TArray<FChatChannelInfo>& Channels)

FChatChannelInfo

Field	Type	Description
channel	FString	Channel name
count	int32	User count

Code Example

void UMyGame::GetChannels()
{
    AChatManager::GetInstance()->GetChannels();
}

void UMyGame::OnChannels(const TArray<FChatChannelInfo>& Channels)
{
    for (const auto& Channel : Channels)
    {
        UE_LOG(LogTemp, Log, TEXT("Channel: %s, Users: %d"), *Channel.channel, Channel.count);
    }
}

---

REST API Method

Available Before Socket Connection

The REST API method can be used before WebSocket connection. Use this method if you want to query the channel list before connecting to the chat server.

URL Confirmation

This API uses the service-api.playnanoo.com domain.

API Information

• URL: https://service-api.playnanoo.com/chat/v20221201/channels
• Method: GET
• Authentication Required: No

Request Parameters

No additional parameters required.

Response Data

Field	Type	Description
Items	array	Channel list
Items[].channel	string	Channel name
Items[].count	int	User count

Code Example

void UMyGame::GetChannelList()
{
    TSharedRef<IHttpRequest> Request = FHttpModule::Get().CreateRequest();
    Request->SetURL(TEXT("https://service-api.playnanoo.com/chat/v20221201/channels"));
    Request->SetVerb(TEXT("GET"));
    FPlayNANOOHelper::SetCommonHeaders(Request, false);  // No auth token required

    Request->OnProcessRequestComplete().BindLambda(
        [](FHttpRequestPtr Req, FHttpResponsePtr Res, bool bSuccess)
    {
        if (bSuccess && Res.IsValid())
        {
            TSharedPtr<FJsonObject> JsonObject;
            TSharedRef<TJsonReader<>> Reader = TJsonReaderFactory<>::Create(Res->GetContentAsString());

            if (FJsonSerializer::Deserialize(Reader, JsonObject))
            {
                const TArray<TSharedPtr<FJsonValue>>* Items;
                if (JsonObject->TryGetArrayField(TEXT("Items"), Items))
                {
                    for (const auto& Item : *Items)
                    {
                        TSharedPtr<FJsonObject> ChannelObj = Item->AsObject();
                        FString Channel = ChannelObj->GetStringField(TEXT("channel"));
                        int32 Count = ChannelObj->GetIntegerField(TEXT("count"));
                        UE_LOG(LogTemp, Log, TEXT("Channel: %s, Count: %d"), *Channel, Count);
                    }
                }
            }
        }
    });

    Request->ProcessRequest();
}