using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Model
{
    public interface IUserManager
    {
        ICollection<User> GetAllUsers();
        User GetUserFromMail(string mail);
        bool AddUserToData(User user);
        bool ModifyUserInData(User user);
        bool LogIn(string mail, string password);
        bool LogOut();
    }
}