com.liferay.commerce.service.persistence.impl.CommerceShipmentItemFinderImpl Maven / Gradle / Ivy

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/**
 * SPDX-FileCopyrightText: (c) 2000 Liferay, Inc. https://liferay.com
 * SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
 */

package com.liferay.commerce.service.persistence.impl;

import com.liferay.commerce.service.persistence.CommerceShipmentItemFinder;
import com.liferay.portal.dao.orm.custom.sql.CustomSQL;
import com.liferay.portal.kernel.dao.orm.QueryPos;
import com.liferay.portal.kernel.dao.orm.SQLQuery;
import com.liferay.portal.kernel.dao.orm.Session;
import com.liferay.portal.kernel.dao.orm.Type;
import com.liferay.portal.kernel.exception.SystemException;

import java.math.BigDecimal;

import java.util.Iterator;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Alessio Antonio Rendina
 */
@Component(service = CommerceShipmentItemFinder.class)
public class CommerceShipmentItemFinderImpl
	extends CommerceShipmentItemFinderBaseImpl
	implements CommerceShipmentItemFinder {

	public static final String GET_COMMERCE_SHIPMENT_ORDER_ITEMS_QUANTITY =
		CommerceShipmentItemFinder.class.getName() +
			".getCommerceShipmentOrderItemsQuantity";

	@Override
	public BigDecimal getCommerceShipmentOrderItemsQuantity(
		long commerceShipmentId, long commerceOrderItemId) {

		Session session = null;

		try {
			session = openSession();

			String sql = _customSQL.get(
				getClass(), GET_COMMERCE_SHIPMENT_ORDER_ITEMS_QUANTITY);

			SQLQuery sqlQuery = session.createSynchronizedSQLQuery(sql);

			sqlQuery.addScalar("SUM_VALUE", Type.BIG_DECIMAL);

			QueryPos queryPos = QueryPos.getInstance(sqlQuery);

			queryPos.add(commerceShipmentId);
			queryPos.add(commerceOrderItemId);

			Iterator iterator = sqlQuery.iterate();

			if (iterator.hasNext()) {
				BigDecimal sum = iterator.next();

				if (sum != null) {
					return sum;
				}
			}

			return BigDecimal.ZERO;
		}
		catch (Exception exception) {
			throw new SystemException(exception);
		}
		finally {
			closeSession(session);
		}
	}

	@Reference
	private CustomSQL _customSQL;

}