package com.example.moviezone.service; import com.example.moviezone.model.Cinema; import com.example.moviezone.model.Role; import com.example.moviezone.model.User; import java.util.List; public interface UserService { List findAllUsers(); User findById(Integer user_id); User findByUsername(String username); void register(String first_name, String last_name,String username, String email, String number, String password, Role role); User login(String username,String password); void registerWorker(String first_name, String last_name, String username, String email, String number, String password, String position, String work_hours_from, String work_hours_to, Cinema cinema); }