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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;
 
 
The TotalActivity is responsible for calculating and setting totals for a given order. It must set the sum of the the taxes in the appropriate places as well as fulfillment group subtotals / totals and order subtotals / totals.

Author(s):
aazzolini
 
 public class TotalActivity extends BaseActivity<ProcessContext<Order>> {
 
     @Override
     public ProcessContext<Orderexecute(ProcessContext<Ordercontextthrows Exception {
         Order order = context.getSeedData();
         
         setTaxSums(order);
         
         Money total = BroadleafCurrencyUtils.getMoney(.order.getCurrency());
         total = total.add(order.getSubTotal());
         total = total.subtract(order.getOrderAdjustmentsValue());
         total = total.add(order.getTotalShipping());
         // There may not be any taxes on the order
         if (order.getTotalTax() != null) {
             total = total.add(order.getTotalTax());
         }
 
         Money fees = BroadleafCurrencyUtils.getMoney(.order.getCurrency());
         for (FulfillmentGroup fulfillmentGroup : order.getFulfillmentGroups()) {
             Money fgTotal = BroadleafCurrencyUtils.getMoney(.order.getCurrency());
             fgTotal = fgTotal.add(fulfillmentGroup.getMerchandiseTotal());
             fgTotal = fgTotal.add(fulfillmentGroup.getShippingPrice());
             fgTotal = fgTotal.add(fulfillmentGroup.getTotalTax());
             
             for (FulfillmentGroupFee fulfillmentGroupFee : fulfillmentGroup.getFulfillmentGroupFees()) {
                 fgTotal = fgTotal.add(fulfillmentGroupFee.getAmount());
                 fees = fees.add(fulfillmentGroupFee.getAmount());
             }
             
             fulfillmentGroup.setTotal(fgTotal);
         }
 
         total = total.add(fees);
         order.setTotal(total);
         
         context.setSeedData(order);
         return context;
     }
     
     protected void setTaxSums(Order order) {
         if (order.getTaxOverride()) {
             Money zeroMoney = BroadleafCurrencyUtils.getMoney(.order.getCurrency());
 
             for (FulfillmentGroup fg : order.getFulfillmentGroups()) {
                 if (fg.getTaxes() != null) {
                     fg.getTaxes().clear();
                 }
                 fg.setTotalTax(zeroMoney);
                 
                 for (FulfillmentGroupItem fgi : fg.getFulfillmentGroupItems()) {
                     if (fgi.getTaxes() != null) {
                         fgi.getTaxes().clear();
                     }
                     fgi.setTotalTax(zeroMoney);
                 }
                 
                 for (FulfillmentGroupFee fee : fg.getFulfillmentGroupFees()) {
                     if (fee.getTaxes() != null) {
                        fee.getTaxes().clear();
                    }
                    fee.setTotalTax(zeroMoney);
                }
                fg.setTotalFulfillmentGroupTax(zeroMoney);
                fg.setTotalItemTax(zeroMoney);
                fg.setTotalFeeTax(zeroMoney);
            }
            order.setTotalTax(zeroMoney);
            return;
        }
        Money orderTotalTax = BroadleafCurrencyUtils.getMoney(.order.getCurrency());
        
        for (FulfillmentGroup fg : order.getFulfillmentGroups()) {
            Money fgTotalFgTax = BroadleafCurrencyUtils.getMoney(.order.getCurrency());
            Money fgTotalItemTax = BroadleafCurrencyUtils.getMoney(.order.getCurrency());
            Money fgTotalFeeTax = BroadleafCurrencyUtils.getMoney(.order.getCurrency());
            
            // Add in all FG specific taxes (such as shipping tax)
            if (fg.getTaxes() != null) {
                for (TaxDetail tax : fg.getTaxes()) {
                    fgTotalFgTax = fgTotalFgTax.add(tax.getAmount());
                }
            }
            
            for (FulfillmentGroupItem item : fg.getFulfillmentGroupItems()) {
                Money itemTotalTax = BroadleafCurrencyUtils.getMoney(.order.getCurrency());
                
                // Add in all taxes for this item
                if (item.getTaxes() != null) {
                    for (TaxDetail tax : item.getTaxes()) {
                        itemTotalTax = itemTotalTax.add(tax.getAmount());
                    }
                }
                
                item.setTotalTax(itemTotalTax);
                fgTotalItemTax = fgTotalItemTax.add(itemTotalTax);
            }
            
            for (FulfillmentGroupFee fee : fg.getFulfillmentGroupFees()) {
                Money feeTotalTax = BroadleafCurrencyUtils.getMoney(.order.getCurrency());
                
                // Add in all taxes for this fee
                if (fee.getTaxes() != null) {
                    for (TaxDetail tax : fee.getTaxes()) {
                        feeTotalTax = feeTotalTax.add(tax.getAmount());
                    }
                }
                
                fee.setTotalTax(feeTotalTax);
                fgTotalFeeTax = fgTotalFeeTax.add(feeTotalTax);
            }
            
            Money fgTotalTax = BroadleafCurrencyUtils.getMoney(.order.getCurrency()).add(fgTotalFgTax).add(fgTotalItemTax).add(fgTotalFeeTax);
            
            // Set the fulfillment group tax sums
            fg.setTotalFulfillmentGroupTax(fgTotalFgTax);
            fg.setTotalItemTax(fgTotalItemTax);
            fg.setTotalFeeTax(fgTotalFeeTax);
            fg.setTotalTax(fgTotalTax);
            
            orderTotalTax = orderTotalTax.add(fgTotalTax);
        }
        
        order.setTotalTax(orderTotalTax);
    }
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