org.broadleafcommerce.core.pricing.service.workflow.ConsolidateFulfillmentFeesActivity Maven / Gradle / Ivy

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BroadleafCommerce Framework
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/*
 * #%L
 * BroadleafCommerce Framework
 * %%
 * Copyright (C) 2009 - 2013 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.pricing.service.workflow;

import org.apache.commons.collections.map.LRUMap;
import org.apache.commons.lang.StringUtils;
import org.broadleafcommerce.common.rule.MvelHelper;
import org.broadleafcommerce.core.catalog.domain.SkuFee;
import org.broadleafcommerce.core.catalog.service.type.SkuFeeType;
import org.broadleafcommerce.core.order.domain.BundleOrderItem;
import org.broadleafcommerce.core.order.domain.DiscreteOrderItem;
import org.broadleafcommerce.core.order.domain.FulfillmentGroup;
import org.broadleafcommerce.core.order.domain.FulfillmentGroupFee;
import org.broadleafcommerce.core.order.domain.FulfillmentGroupItem;
import org.broadleafcommerce.core.order.domain.Order;
import org.broadleafcommerce.core.order.service.FulfillmentGroupService;
import org.broadleafcommerce.core.workflow.BaseActivity;
import org.broadleafcommerce.core.workflow.ProcessContext;
import org.mvel2.MVEL;
import org.mvel2.ParserContext;

import java.io.Serializable;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.annotation.Resource;

/**
 * 
 * @author Phillip Verheyden
 */
public class ConsolidateFulfillmentFeesActivity extends BaseActivity> {
    
    @SuppressWarnings("unchecked")
    protected static final Map EXPRESSION_CACHE = Collections.synchronizedMap(new LRUMap(1000));
    
    @Resource(name = "blFulfillmentGroupService")
    protected FulfillmentGroupService fulfillmentGroupService;

    @Override
    public ProcessContext execute(ProcessContext context) throws Exception {
        Order order = context.getSeedData();
        
        for (FulfillmentGroup fulfillmentGroup : order.getFulfillmentGroups()) {
            //create and associate all the Fulfillment Fees
            for (FulfillmentGroupItem item : fulfillmentGroup.getFulfillmentGroupItems()) {
                List fees = null;
                if (item.getOrderItem() instanceof BundleOrderItem) {
                    fees = ((BundleOrderItem)item.getOrderItem()).getSku().getFees();
                } else if (item.getOrderItem() instanceof DiscreteOrderItem) {
                    fees = ((DiscreteOrderItem)item.getOrderItem()).getSku().getFees();
                }
                
                if (fees != null) {
                    for (SkuFee fee : fees) {
                        if (SkuFeeType.FULFILLMENT.equals(fee.getFeeType())) {
                            if (shouldApplyFeeToFulfillmentGroup(fee, fulfillmentGroup)) {
                                FulfillmentGroupFee fulfillmentFee = fulfillmentGroupService.createFulfillmentGroupFee();
                                fulfillmentFee.setName(fee.getName());
                                fulfillmentFee.setTaxable(fee.getTaxable());
                                fulfillmentFee.setAmount(fee.getAmount());
                                fulfillmentFee.setFulfillmentGroup(fulfillmentGroup);
                                
                                fulfillmentGroup.addFulfillmentGroupFee(fulfillmentFee);
                            }
                        }
                    }
                }
            }
            
            if (fulfillmentGroup.getFulfillmentGroupFees().size() > 0) {
                fulfillmentGroup = fulfillmentGroupService.save(fulfillmentGroup);
            }
        }
        
        context.setSeedData(order);
        return context;
    }

    /**
     * If the SkuFee expression is null or empty, this method will always return true
     * 
     * @param fee
     * @param fulfillmentGroup
     * @return
     */
    protected boolean shouldApplyFeeToFulfillmentGroup(SkuFee fee, FulfillmentGroup fulfillmentGroup) {
        boolean appliesToFulfillmentGroup = true;
        String feeExpression = fee.getExpression();
        
        if (!StringUtils.isEmpty(feeExpression)) {
            Serializable exp = (Serializable) EXPRESSION_CACHE.get(feeExpression);
            if (exp == null) {
                ParserContext mvelContext = new ParserContext();
                mvelContext.addImport("MVEL", MVEL.class);
                mvelContext.addImport("MvelHelper", MvelHelper.class);
                exp = MVEL.compileExpression(feeExpression, mvelContext);
            
                EXPRESSION_CACHE.put(feeExpression, exp);
            }
            HashMap vars = new HashMap();
            vars.put("fulfillmentGroup", fulfillmentGroup);
            return (Boolean)MVEL.executeExpression(feeExpression, vars);
        }
        
        return appliesToFulfillmentGroup;
    }

}