rzeczywista implementacja

package com.kodilla.ecommercee.service;

import com.kodilla.ecommercee.domain.Order;
import com.kodilla.ecommercee.repository.OrderRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Optional;

@Service
public class DbService {
    @Autowired
    private OrderRepository repository;

    public List<Order> getAllOrders() {
        return repository.findAll();
    }


    public Order saveOrder(final Order order) {
        return repository.save(order);

    }

    public Optional<Order> getOrder(final Long id) {
        return repository.findById(id);
    }

    public void deleteOrder(Long id) {
        repository.deleteById(id);

    }

}


package com.kodilla.ecommercee.mapper;

import com.kodilla.ecommercee.domain.Order;
import com.kodilla.ecommercee.domain.OrderDto;
import org.springframework.stereotype.Component;

import java.util.List;
import java.util.stream.Collectors;

@Component
public class OrderMapper {
    public Order mapToOrder(final OrderDto orderDto){
        return new Order(
                orderDto.getId(),
                orderDto.getDateOfCreation(),
                orderDto.getDateOfShipment(),
                orderDto.getShippingAdress(),
                orderDto.isOrdered());

    }

    public OrderDto mapToOrderDto(final Order order){
        return new OrderDto(
                order.getId(),
                order.getDateOfCreation(),
                order.getDateOfShipment(),
                order.getShippingAdress(),
                order.isOrdered());


    }

    public List<OrderDto>mapToOrderDtoList(final List<Order> orderList){
        return orderList.stream()
                .map(t->new OrderDto(t.getId(),t.getDateOfCreation(),t.getDateOfShipment(),t.getShippingAdress(),t.isOrdered()))
                .collect(Collectors.toList());
    }
}

package com.kodilla.ecommercee.controller;

import com.kodilla.ecommercee.domain.OrderDto;
import com.kodilla.ecommercee.mapper.OrderMapper;
import com.kodilla.ecommercee.service.DbService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.*;
import java.util.List;

@RestController
@RequestMapping(value = "/v1/project/order",consumes = MediaType.APPLICATION_JSON_VALUE)

public class OrderController {

    @Autowired
    private DbService service;
    @Autowired
    private OrderMapper orderMapper;

    @RequestMapping(method = RequestMethod.GET, value = "getOrders")
    public List<OrderDto> getOrders() {
        return orderMapper.mapToOrderDtoList(service.getAllOrders());
    }

    @RequestMapping(method = RequestMethod.GET, value = "getOrder")
    public OrderDto getOrder( @RequestParam Long orderId) throws OrderNotFoundException{
        return orderMapper.mapToOrderDto(service.getOrder(orderId).orElseThrow(OrderNotFoundException::new));
    }

    @RequestMapping(method = RequestMethod.POST, value = "addOrder")
    public  void  addOrder( OrderDto orderDto) {
        service.saveOrder(orderMapper.mapToOrder(orderDto));
    }

    @RequestMapping(method = RequestMethod.PUT, value = "updateOrder")
    public OrderDto updateOrder(@RequestBody OrderDto orderDto) {
        return orderMapper.mapToOrderDto(service.saveOrder(orderMapper.mapToOrder(orderDto)));
    }

    @RequestMapping(method = RequestMethod.DELETE, value = "deleteOrder")
    public void deleteOrder(@RequestParam Long orderId) {
    service.deleteOrder(orderId);
    }
}


package com.kodilla.ecommercee.domain;

import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import java.time.LocalDateTime;

@Getter
@AllArgsConstructor
@NoArgsConstructor

public class OrderDto {

    private Long id;
    private LocalDateTime dateOfCreation;
    private LocalDateTime dateOfShipment;
    private String shippingAdress;
    private boolean isOrdered;

}