mirror of https://github.com/ppy/osu
75 lines
2.2 KiB
C#
75 lines
2.2 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
|
|
// See the LICENCE file in the repository root for full licence text.
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Threading;
|
|
using System.Threading.Tasks;
|
|
using osu.Game.Online.API;
|
|
using osu.Game.Online.API.Requests;
|
|
using osu.Game.Online.Chat;
|
|
|
|
namespace osu.Game.Online.Notifications
|
|
{
|
|
/// <summary>
|
|
/// An abstract client which receives notification-related events (chat/notifications).
|
|
/// </summary>
|
|
public abstract class NotificationsClient : PersistentEndpointClient
|
|
{
|
|
public Action<Channel>? ChannelJoined;
|
|
public Action<List<Message>>? NewMessages;
|
|
public Action? PresenceReceived;
|
|
|
|
protected readonly IAPIProvider API;
|
|
|
|
private long lastMessageId;
|
|
|
|
protected NotificationsClient(IAPIProvider api)
|
|
{
|
|
API = api;
|
|
}
|
|
|
|
public override Task ConnectAsync(CancellationToken cancellationToken)
|
|
{
|
|
API.Queue(CreateFetchMessagesRequest(0));
|
|
return Task.CompletedTask;
|
|
}
|
|
|
|
protected APIRequest CreateFetchMessagesRequest(long? lastMessageId = null)
|
|
{
|
|
var fetchReq = new GetUpdatesRequest(lastMessageId ?? this.lastMessageId);
|
|
|
|
fetchReq.Success += updates =>
|
|
{
|
|
if (updates?.Presence != null)
|
|
{
|
|
foreach (var channel in updates.Presence)
|
|
HandleJoinedChannel(channel);
|
|
|
|
//todo: handle left channels
|
|
|
|
HandleMessages(updates.Messages);
|
|
}
|
|
|
|
PresenceReceived?.Invoke();
|
|
};
|
|
|
|
return fetchReq;
|
|
}
|
|
|
|
protected void HandleJoinedChannel(Channel channel)
|
|
{
|
|
// we received this from the server so should mark the channel already joined.
|
|
channel.Joined.Value = true;
|
|
ChannelJoined?.Invoke(channel);
|
|
}
|
|
|
|
protected void HandleMessages(List<Message> messages)
|
|
{
|
|
NewMessages?.Invoke(messages);
|
|
lastMessageId = Math.Max(lastMessageId, messages.LastOrDefault()?.Id ?? 0);
|
|
}
|
|
}
|
|
}
|