public async Task UserDisconnectedFromServer(ApplicationUser user, Guid channelId)
{
var eventData = new UserJoinedEventData
{
UserId = user.Id,
Username = user.UserName
};
await SendEventToGroup(channelId, ChatEvent.UserDisconnected, eventData);
}
public async Task UserLeftFromChannel(ApplicationUser user, Guid channelId)
{
var userConnection = await _connectionsStore.GetUserConnection(user.Id);
var eventData = new UserJoinedEventData
{
UserId = user.Id,
Username = user.UserName
};
await SendEventToGroup(channelId, ChatEvent.UserLeft, eventData);
if (userConnection != null)
{
await _hubContext.Groups.RemoveFromGroupAsync(userConnection, channelId.ToString());
}
}