UserOutDTO

---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------UserOutDTO--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

import javax.validation.constraints.*;

public class UserDTO {

    @NotNull (message = "Username cannot be null.")
    @Size(min = 4, max = 32, message = "Name should be between 4 and 32 symbols")
    private String username;

    @NotNull (message = "First name cannot be null.")
    private String firstName;

    @NotNull (message = "Last name cannot be null.")
    private String lastName;

    @NotNull(message = "Email should be valid")
    private String password;

    @NotNull(message = "Email should be valid")
    private String email;

    @Positive(message = "Phone should be positive")
    private String phone;

    @NotNull(message = "User type should be valid.")
    @Positive(message = "User type should be positive.")
    private int userType;

    public UserDTO() {
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getPhone() {
        return phone;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }

    public int getUserType() {
        return userType;
    }

    public void setUserType(int userType) {
        this.userType = userType;
    }
}


package com.telerikacademy.web.forum.utils.mapper;

import com.telerikacademy.web.forum.models.User;
import com.telerikacademy.web.forum.models.attributes.UserType;
import com.telerikacademy.web.forum.models.dto.UserDTO;
import com.telerikacademy.web.forum.models.dto.UserOutDTO;
import com.telerikacademy.web.forum.repositories.contracts.UserTypeRepository;
import com.telerikacademy.web.forum.services.contracts.PhoneService;
import com.telerikacademy.web.forum.services.contracts.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.List;

---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------UserMapper--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

@Component
public class UserMapper {

    private final UserService userService;
    private final UserTypeRepository userTypeRepository;
    private final PhoneService phoneService;

    @Autowired
    public UserMapper(UserService userService, UserTypeRepository userTypeRepository, PhoneService phoneService) {
        this.userService = userService;
        this.userTypeRepository = userTypeRepository;
        this.phoneService = phoneService;
    }

    public User toDTOUpdate(UserDTO userDTO, int userId){
        User user = userService.getById(userId);
        DTOToObjectUpdate(userDTO, user);
        return user;
    }

    public void DTOToObjectUpdate(UserDTO userDTO, User user){
        UserType userType = userTypeRepository.getUserType(userDTO.getUserType());

        user.setFirstName(userDTO.getFirstName());
        user.setLastName(userDTO.getLastName());
        user.setEmail(userDTO.getEmail());
        user.setUserType(userType);
    }
}