public override Task OnConnectedAsync()
{
HttpContext httpContext = Context.GetHttpContext();
string userIdB64 = httpContext.Request.Query["userId"].ToString();
string userId = ASCIIEncoding.ASCII.GetString(Convert.FromBase64String(userIdB64));
string connectionId = Context.ConnectionId;
User user = _db.Users.Find(userId);
UserConnectionId uci = _db.UserConnectionIds.Find(userId);
if (uci == null)
{
uci = new UserConnectionId {
User = user, ConnectionId = connectionId
};
_db.UserConnectionIds.Add(uci);
}
else
{
uci.ConnectionId = connectionId;
var k = _db.Update(dbObjectEntity: uci);
}
_db.SaveChanges();
return(base.OnConnectedAsync());
}
