Query Channel List

Explains two methods for querying the channel list.

WebSocket Method

Query the list of currently available channels via WebSocket.

Method Information

Item	Content
Method	ChatManager.Instance.GetChannels()
Callback	OnChannels(ChatChannelInfo[] channels)

ChatChannelInfo

Field	Type	Description
channel	string	Channel name
count	int	Number of users

Usage Example

using UnityEngine;

public class ChatExample : MonoBehaviour, IChatListener
{
    public void GetChannels()
    {
        ChatManager.Instance.GetChannels();
    }

    public void OnChannels(ChatChannelInfo[] channels)
    {
        foreach (var channel in channels)
            Debug.Log($"Channel: {channel.channel}, Users: {channel.count}");
    }

    // ... Other IChatListener method implementations
}

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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 Verification

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

The Req class inherits from DeviceInfo.

No additional parameters required.

Response Data

Res

Field	Type	Description
Items	List<ChatChannelInfo>	Channel list

ChatChannelInfo

Field	Type	Description
channel	string	Channel name
count	int	Number of users

Unity C# Implementation

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine.Networking;

public class Channles
{
    static string path = "https://service-api.playnanoo.com/chat/v20221201/channels";

    [Serializable]
    public class Req : DeviceInfo
    {
        public IEnumerator Send(Action<Res> onSuccess, Action<BaseResponse> onError)
        {
            yield return HttpClient.Send<Req, Res>(
                UnityWebRequest.kHttpVerbGET,
                path,
                requireToken: false,
                body: this,
                onSuccess: onSuccess,
                onError: onError
            );
        }
    }

    [Serializable]
    public class Res : BaseResponse
    {
        public List<ChatChannelInfo> Items;
    }

    [Serializable]
    public class ChatChannelInfo
    {
        public string channel;
        public int count;
    }
}

Usage Example

using UnityEngine;

public class ChatExample : MonoBehaviour
{
    public void GetChannelList()
    {
        Channles.Req req = new Channles.Req();
        StartCoroutine(req.Send(
            onSuccess: res =>
            {
                foreach(Channles.ChatChannelInfo item in res.Items)
                {
                    Debug.Log($"Channel : {item.channel}");
                    Debug.Log($"Count : {item.count}");
                }
            },
            onError: (error) =>
            {
                Debug.LogError($"GetChannelList failed: [{error.ErrorCode}] {error.Message}");
            }
        ));
    }
}