/*
* #%L
* BroadleafCommerce Framework
* %%
* Copyright (C) 2009 - 2014 Broadleaf Commerce
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
package org.broadleafcommerce.core.inventory.service;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.broadleafcommerce.common.extension.ExtensionResultHolder;
import org.broadleafcommerce.common.extension.ExtensionResultStatusType;
import org.broadleafcommerce.common.util.TransactionUtils;
import org.broadleafcommerce.core.catalog.domain.Sku;
import org.broadleafcommerce.core.catalog.service.CatalogService;
import org.broadleafcommerce.core.inventory.service.type.InventoryType;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import javax.annotation.Resource;
@Service("blInventoryService")
public class InventoryServiceImpl implements ContextualInventoryService {
private static final Log LOG = LogFactory.getLog(InventoryServiceImpl.class);
@Resource(name = "blCatalogService")
protected CatalogService catalogService;
@Resource(name = "blInventoryServiceExtensionManager")
protected InventoryServiceExtensionManager extensionManager;
@Override
public boolean checkBasicAvailablility(Sku sku) {
Boolean available = sku.isAvailable();
if (available == null) {
available = true;
}
if (sku != null && available && sku.isActive() && !InventoryType.UNAVAILABLE.equals(sku.getInventoryType())) {
return true;
}
return false;
}
/* ******************************** */
/* InventoryService Implementations */
/* ******************************** */
@Override
public Integer retrieveQuantityAvailable(Sku sku) {
return retrieveQuantityAvailable(sku, null);
}
@Override
public Map<Sku, Integer> retrieveQuantitiesAvailable(Collection<Sku> skus) {
return retrieveQuantitiesAvailable(skus, null);
}
@Override
public boolean isAvailable(Sku sku, int quantity) {
return isAvailable(sku, quantity, null);
}
@Override
@Transactional(value = TransactionUtils.DEFAULT_TRANSACTION_MANAGER, rollbackFor = { InventoryUnavailableException.class })
public void decrementInventory(Sku sku, int quantity) throws InventoryUnavailableException {
decrementInventory(sku, quantity, null);
}
@Override
@Transactional(value = TransactionUtils.DEFAULT_TRANSACTION_MANAGER, rollbackFor = { InventoryUnavailableException.class })
public void decrementInventory(Map<Sku, Integer> skuQuantities) throws InventoryUnavailableException {
decrementInventory(skuQuantities, null);
}
@Override
@Transactional(TransactionUtils.DEFAULT_TRANSACTION_MANAGER)
public void incrementInventory(Sku sku, int quantity) {
incrementInventory(sku, quantity, null);
}
@Override
@Transactional(TransactionUtils.DEFAULT_TRANSACTION_MANAGER)
public void incrementInventory(Map<Sku, Integer> skuQuantities) {
incrementInventory(skuQuantities, null);
}
/* ****************************************** */
/* ContextualInventoryService Implementations */
/* ****************************************** */
@Override
public Integer retrieveQuantityAvailable(Sku sku, Map<String, Object> context) {
return retrieveQuantitiesAvailable(Arrays.asList(sku), context).get(sku);
}
@Override
public Map<Sku, Integer> retrieveQuantitiesAvailable(Collection<Sku> skus, Map<String, Object> context) {
ExtensionResultHolder<Map<Sku, Integer>> holder = new ExtensionResultHolder<Map<Sku, Integer>>();
ExtensionResultStatusType res = extensionManager.getProxy().retrieveQuantitiesAvailable(skus, context, holder);
if (ExtensionResultStatusType.NOT_HANDLED.equals(res)) {
Map<Sku, Integer> inventories = new HashMap<Sku, Integer>();
for (Sku sku : skus) {
if (checkBasicAvailablility(sku)) {
if (InventoryType.CHECK_QUANTITY.equals(sku.getInventoryType())) {
if (sku.getQuantityAvailable() == null) {
inventories.put(sku, 0);
}
} else if (sku.getInventoryType() == null || InventoryType.ALWAYS_AVAILABLE.equals(sku.getInventoryType())) {
inventories.put(sku, null);
} else {
inventories.put(sku, 0);
}
} else {
inventories.put(sku, 0);
}
}
return inventories;
} else {
return holder.getResult();
}
}
@Override
public boolean isAvailable(Sku sku, int quantity, Map<String, Object> context) {
if (quantity < 1) {
throw new IllegalArgumentException("Quantity " + quantity + " is not valid. Must be greater than zero.");
}
if (checkBasicAvailablility(sku)) {
if (InventoryType.CHECK_QUANTITY.equals(sku.getInventoryType())) {
Integer quantityAvailable = retrieveQuantityAvailable(sku, context);
return quantityAvailable != null && quantity <= quantityAvailable;
} else {
// basically available but we do not need to check quantity, definitely available
return true;
}
}
return false;
}
@Override
@Transactional(value = TransactionUtils.DEFAULT_TRANSACTION_MANAGER, rollbackFor = { InventoryUnavailableException.class })
public void decrementInventory(Sku sku, int quantity, Map<String, Object> context) throws InventoryUnavailableException {
Map<Sku, Integer> quantities = new HashMap<Sku, Integer>();
quantities.put(sku, quantity);
decrementInventory(quantities, context);
}
@Override
@Transactional(value = TransactionUtils.DEFAULT_TRANSACTION_MANAGER, rollbackFor = { InventoryUnavailableException.class })
public void decrementInventory(Map<Sku, Integer> skuQuantities, Map<String, Object> context) throws InventoryUnavailableException {
ExtensionResultStatusType res = extensionManager.getProxy().decrementInventory(skuQuantities, context);
if (ExtensionResultStatusType.NOT_HANDLED.equals(res)) {
for (Entry<Sku, Integer> entry : skuQuantities.entrySet()) {
Sku sku = entry.getKey();
Integer quantity = entry.getValue();
if (quantity == null || quantity < 1) {
throw new IllegalArgumentException("Quantity " + quantity + " is not valid. Must be greater than zero and not null.");
}
if (checkBasicAvailablility(sku)) {
if (InventoryType.CHECK_QUANTITY.equals(sku.getInventoryType())) {
Integer inventoryAvailable = retrieveQuantityAvailable(sku, context);
if (inventoryAvailable == null) {
return;
}
if (inventoryAvailable < quantity) {
throw new InventoryUnavailableException(
"There was not enough inventory to fulfill this request.", sku.getId(), quantity, inventoryAvailable);
}
int newInventory = inventoryAvailable - quantity;
sku.setQuantityAvailable(newInventory);
catalogService.saveSku(sku);
} else {
LOG.info("Not decrementing inventory as the Sku has been marked as always available");
}
} else {
throw new InventoryUnavailableException("The Sku has been marked as unavailable", sku.getId(), quantity, 0);
}
}
}
}
@Override
@Transactional(TransactionUtils.DEFAULT_TRANSACTION_MANAGER)
public void incrementInventory(Sku sku, int quantity, Map<String, Object> context) {
Map<Sku, Integer> quantities = new HashMap<Sku, Integer>();
quantities.put(sku, quantity);
incrementInventory(quantities, context);
}
@Override
@Transactional(TransactionUtils.DEFAULT_TRANSACTION_MANAGER)
public void incrementInventory(Map<Sku, Integer> skuQuantities, Map<String, Object> context) {
ExtensionResultStatusType res = extensionManager.getProxy().incrementInventory(skuQuantities, context);
if (ExtensionResultStatusType.NOT_HANDLED.equals(res)) {
for (Entry<Sku, Integer> entry : skuQuantities.entrySet()) {
Sku sku = entry.getKey();
Integer quantity = entry.getValue();
if (quantity == null || quantity < 1) {
throw new IllegalArgumentException("Quantity " + quantity + " is not valid. Must be greater than zero and not null.");
}
if (InventoryType.CHECK_QUANTITY.equals(sku.getInventoryType())) {
Integer currentInventoryAvailable = retrieveQuantityAvailable(sku, context);
if (currentInventoryAvailable == null) {
throw new IllegalArgumentException("The current inventory for this Sku is null");
}
int newInventory = currentInventoryAvailable + quantity;
sku.setQuantityAvailable(newInventory);
catalogService.saveSku(sku);
} else {
LOG.info("Not incrementing inventory as the Sku has been marked as always available");
}
}
}
}
}