ItemService.java

package com.newhorizons.takeitnow.item.domain.service;

import com.newhorizons.takeitnow.item.application.mainmodule.service.IItemService;
import com.newhorizons.takeitnow.item.domain.entity.Item;
import com.newhorizons.takeitnow.item.domain.entity.Product;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;

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

@Service
public class ItemService implements IItemService {

    @Autowired
    private RestTemplate restTemplateClient;

    public List<Item> getAll() {
        List<Product> products = Arrays.asList(restTemplateClient.getForObject("http://localhost:8001/takeitnow/api/products/getAll", Product[].class));
        return products.stream().map(p -> new Item(p, 1L)).collect(Collectors.toList());
    }
    
    public Item getItem(long productId, long quantity) {
        return null;
    }
}