/// <summary>
/// Add a connection Id to a user and save it in the DB.
/// </summary>
/// <param name="auth"></param>
/// <param name="connectionId"></param>
public static void AddUserConnectionId(AuthenticationResponse auth, string connectionId)
{
try {
if (UserConnectionIds == null)
{
UserConnectionIds = new Dictionary <AuthenticationResponse, List <string> >();
log.Warning($"{ClassName} ----- User connection list was null, newly created!");
}
if (UserConnectionIds.Count == 0 || UserConnectionIds.Count(x => x.Key.User._id == auth.User._id) == 0)
{
UserConnectionIds.Add(auth, new List <string>());
log.Debug($"{ClassName} userId = [{auth.User._id}] successfully referenced into connection list.");
}
UserConnectionIds.First(x => x.Key.User._id == auth.User._id).Value.Add(connectionId);
}
catch (Exception e) {
log.Warning($"{ClassName} Unable to add auth. Error [{e.Message}] - Stack [{e.StackTrace}].");
}
try {
SaveUserConnectionIds();
}
catch (Exception e) {
log.Warning($"{ClassName} Unable to add user count from database! Exception = [{e.Message}]");
}
}
/// <summary>
/// Event: disconnected.
/// </summary>
/// <param name="exception"></param>
/// <returns></returns>
public override Task OnDisconnectedAsync(Exception exception)
{
string connectionId = Context.ConnectionId;
try {
if (UserConnectionIds.Count(x => x.Value.Contains(connectionId)) != 0)
{
BaseHubHandler <T> .RemoveUserConnectionId(connectionId);
}
}
catch (Exception e) {
log.Warning($"{ClassName} Error disconnecting #1! StackTrace = {e.StackTrace}.");
}
try {
if (UserConnectionIds.Count(x => x.Value.Contains(connectionId)) == 0)
{
return(base.OnDisconnectedAsync(exception));
}
}
catch (Exception e) {
log.Warning($"{ClassName} Error disconnecting #2! StackTrace = {e.StackTrace}.");
}
return(base.OnDisconnectedAsync(exception));
}