public async Task LeaveChannel(ChannelDto channelDto)
{
channelDto.Id = Context.ConnectionId;
ChannelHandler.ChannelDictionary.Remove(channelDto.Id);
await Groups.RemoveFromGroupAsync(Context.ConnectionId, channelDto.ChannelName);
await Clients.OthersInGroup(channelDto.Id).UserLeftChannel(channelDto);
await Clients.Others.UsersInGroup(ChannelHandler.NumberOfUsersInChannel(channelDto.ChannelName));
}
public async Task JoinChannel(ChannelDto channelDto)
{
channelDto.Id = Context.ConnectionId;
ChannelHandler.ChannelDictionary.Add(channelDto.Id, channelDto.ChannelName);
await Groups.AddToGroupAsync(Context.ConnectionId, channelDto.ChannelName);
await Clients.OthersInGroup(channelDto.ChannelName).UserJoinedChannel(channelDto);
await Clients.Others.UsersInGroup(ChannelHandler.NumberOfUsersInChannel(channelDto.ChannelName));
}
public override async Task OnDisconnectedAsync(Exception exception)
{
var result = ChannelHandler.ChannelDictionary.TryGetValue(Context.ConnectionId, out var roomName);
if (result)
{
await Groups.RemoveFromGroupAsync(Context.ConnectionId, roomName);
await Clients.Others.UserLeftChannel(new ChannelDto
{ ChannelName = roomName, Id = Context.ConnectionId });
await Clients.Others.UsersInGroup(ChannelHandler.NumberOfUsersInChannel(roomName));
}
await base.OnDisconnectedAsync(exception);
}
public override async Task OnConnectedAsync()
{
var result = ChannelHandler.ChannelDictionary.TryGetValue(Context.ConnectionId, out var roomName);
if (result)
{
await Groups.AddToGroupAsync(Context.ConnectionId, roomName);
await Clients.Caller.UserJoinedChannel(new ChannelDto
{ ChannelName = roomName, Id = Context.ConnectionId });
await Clients.Others.UsersInGroup(ChannelHandler.NumberOfUsersInChannel(roomName));
}
await base.OnConnectedAsync();
}