public ChatUser AddUser(ClaimsPrincipal claimsPrincipal)
{
var identity = claimsPrincipal.GetClaimValue(ClaimTypes.NameIdentifier);
var name = claimsPrincipal.GetUsername();
var email = claimsPrincipal.GetClaimValue(ClaimTypes.Email);
var providerName = claimsPrincipal.GetIdentityProvider();
return AddUser(name, providerName, identity, email);
}