BookingMapper.java

package ru.practicum.shareit.booking;

import ru.practicum.shareit.item.Item;
import ru.practicum.shareit.item.ItemMapper;
import ru.practicum.shareit.user.User;
import ru.practicum.shareit.user.UserMapper;

public class BookingMapper {
    public static Booking toBooking(BookingRequestDto dto, Item item, User booker) {
        return Booking.builder()
                .start(dto.getStart())
                .end(dto.getEnd())
                .item(item)
                .booker(booker)
                .status(Booking.BookingStatus.WAITING)
                .build();
    }

    public static BookingDto toDto(Booking booking) {
        if (booking == null) return null;

        return BookingDto.builder()
                .id(booking.getId())
                .start(booking.getStart())
                .end(booking.getEnd())
                .status(booking.getStatus())
                .booker(UserMapper.toUserDto(booking.getBooker()))
                .item(ItemMapper.toItemDto(booking.getItem()))
                .build();
    }
}