StockServiceImpl.java

package devopsdistilled.operp.server.data.service.stock.impl;

import java.util.LinkedList;
import java.util.List;

import javax.inject.Inject;

import org.springframework.stereotype.Service;

import devopsdistilled.operp.client.stock.models.StockModel;
import devopsdistilled.operp.server.data.entity.items.Item;
import devopsdistilled.operp.server.data.entity.stock.Stock;
import devopsdistilled.operp.server.data.entity.stock.Warehouse;
import devopsdistilled.operp.server.data.repo.items.ItemRepository;
import devopsdistilled.operp.server.data.repo.stock.StockRepository;
import devopsdistilled.operp.server.data.repo.stock.WarehouseRepository;
import devopsdistilled.operp.server.data.service.impl.AbstractEntityService;
import devopsdistilled.operp.server.data.service.stock.StockService;

@Service
public class StockServiceImpl extends
		AbstractEntityService<Stock, Long, StockRepository, StockModel>
		implements StockService {

	private static final long serialVersionUID = -7737068540744137395L;

	@Inject
	private StockRepository repo;

	@Inject
	private ItemRepository itemRepository;

	@Inject
	private WarehouseRepository warehouseRepository;

	@Override
	protected StockRepository getRepo() {
		return repo;
	}

	@Override
	public List<Item> getItemsInWarehouse(Long warehouseId) {
		Warehouse warehouse = warehouseRepository.findOne(warehouseId);
		List<Stock> stocks = repo.findByWarehouse(warehouse);
		List<Item> items = new LinkedList<>();
		for (Stock stock : stocks) {
			items.add(stock.getItem());
		}

		return items;
	}

	@Override
	public Long getQuantityOfItemInWarehouse(Long itemId, Long warehouseId) {
		Item item = itemRepository.findOne(itemId);
		Warehouse warehouse = warehouseRepository.findOne(warehouseId);
		Stock stock = repo.findByItemAndWarehouse(item, warehouse);

		return stock.getQuantity();
	}

	@Override
	protected Stock findByEntityName(String entityName) {
		return null;
	}

	@Override
	public boolean isItemExistsInWarehouse(Long itemId, Long warehouseId) {
		Item item = itemRepository.findOne(itemId);
		Warehouse warehouse = warehouseRepository.findOne(warehouseId);

		Stock stock = repo.findByItemAndWarehouse(item, warehouse);
		if (stock == null)
			return false;

		return true;
	}

}