gpw_next/GPW.CORE/Services/UserStateService.cs

namespace GPW.CORE.Services
{
    public class UserStateService
    {
        public UserDTO? CurrentUser { get; private set; }
        public string? CurrIpv4 { get; private set; }

        public event Action? OnChange;

        public void SetUser(UserDTO user)
        {
            CurrentUser = user;
            OnChange?.Invoke();
        }
        public void SetIp(string ipv4)
        {
            CurrIpv4 = ipv4;
            OnChange?.Invoke();
        }
    }

}