private async void AddToGroup(string groupId, User user)
{
if (user.GroupId != default && groupId != user.GroupId)
{
ActiveGroups.RemoveUserFromGroup(user.GroupId, user);
}
if (groupId != user.GroupId)
{
ActiveGroups.AddUserToGroup(groupId, user);
}
await Groups.AddToGroupAsync(user.ConnectionId, groupId);
}
public void PurgeUsers()
{
this.purgeUsersTimer = new Timer((e) =>
{
User[] users = ConnectedUsers.Users.Where(x => x.Disconnected && x.ExpirationTime < DateTime.Now).ToArray();
foreach (User user in users)
{
ActiveGroups.RemoveUserFromGroup(user.GroupId, user);
}
ConnectedUsers.Users.Where(x => x.Disconnected && x.ExpirationTime < DateTime.Now).ToArray();
}, null, 0, 60000);
}
public async Task JoinRoom(string groupId)
{
var user = ConnectedUsers.Users.FirstOrDefault(x => x.UID == Context.UserIdentifier);
if (user != default) //user exist
{
if (ActiveGroups.GetGroup(groupId) != default) //Group exist
{
AddToGroup(groupId, user);
await Clients.Caller.GoToRoom(groupId);
}
else
{
await Clients.Caller.ReceiveMessage("InvalidGroup");
}
}
}
private async void CreateGroup(string groupId, User creator)
{
ActiveGroups.CreateGroup(groupId, creator);
await Groups.AddToGroupAsync(creator.ConnectionId, groupId);
}