/*
 * #%L
 * BroadleafCommerce Framework Web
 * %%
 * 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.web.order;

import org.aspectj.lang.ProceedingJoinPoint;
import org.broadleafcommerce.core.order.domain.Order;
import org.broadleafcommerce.profile.core.domain.Customer;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

public class OrderStateAOP implements ApplicationContextAware {

    private ApplicationContext applicationContext;

    public Object processOrderRetrieval(ProceedingJoinPoint call) throws Throwable {
        Object returnValue;
        /*
         * we retrieve the OrderState instance directly from the application
         * context, as this bean has a request scope.
         */
        OrderState orderState = (OrderState) applicationContext.getBean("blOrderState");
        Customer customer = (Customer) call.getArgs()[0];
        Order order = orderState.getOrder(customer);
        if (order != null) {
            returnValue = order;
        } else {
            returnValue = call.proceed();
            returnValue = orderState.setOrder(customer, (Order) returnValue);
        }

        return returnValue;
    }

    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.applicationContext = applicationContext;
    }
}