org.hoteia.qalingo.web.mvc.controller.order.OrderController.java Source code

Introduction

Here is the source code for org.hoteia.qalingo.web.mvc.controller.order.OrderController.java

Source

/**
 * Most of the code in the Qalingo project is copyrighted Hoteia and licensed
 * under the Apache License Version 2.0 (release version 0.8.0)
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *                   Copyright (c) Hoteia, 2012-2014
 * http://www.hoteia.com - http://twitter.com/hoteia - contact@hoteia.com
 *
 */
package org.hoteia.qalingo.web.mvc.controller.order;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.StringUtils;
import org.hoteia.qalingo.core.Constants;
import org.hoteia.qalingo.core.ModelConstants;
import org.hoteia.qalingo.core.RequestConstants;
import org.hoteia.qalingo.core.domain.OrderPurchase;
import org.hoteia.qalingo.core.domain.enumtype.BoUrls;
import org.hoteia.qalingo.core.service.OrderPurchaseService;
import org.hoteia.qalingo.core.web.mvc.viewbean.OrderViewBean;
import org.hoteia.qalingo.core.web.resolver.RequestData;
import org.hoteia.qalingo.core.web.servlet.ModelAndViewThemeDevice;
import org.hoteia.qalingo.core.web.servlet.view.RedirectView;
import org.hoteia.qalingo.web.mvc.controller.AbstractBusinessBackofficeController;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.support.PagedListHolder;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

/**
 * 
 */
@Controller("orderController")
public class OrderController extends AbstractBusinessBackofficeController {

    @Autowired
    private OrderPurchaseService orderPurchaseService;

    @RequestMapping(value = BoUrls.ORDER_LIST_URL, method = RequestMethod.GET)
    public ModelAndView orderList(final HttpServletRequest request, final Model model) throws Exception {
        ModelAndViewThemeDevice modelAndView = new ModelAndViewThemeDevice(getCurrentVelocityPath(request),
                BoUrls.ORDER_LIST.getVelocityPage());
        final RequestData requestData = requestUtil.getRequestData(request);

        displayList(request, model, requestData);

        overrideDefaultMainContentTitle(request, modelAndView, BoUrls.ORDER_LIST.getKey() + ".by.market.area",
                null);

        return modelAndView;
    }

    @RequestMapping(value = BoUrls.ORDER_DETAILS_URL, method = RequestMethod.GET)
    public ModelAndView orderDetails(final HttpServletRequest request, final Model model) throws Exception {
        ModelAndViewThemeDevice modelAndView = new ModelAndViewThemeDevice(getCurrentVelocityPath(request),
                BoUrls.ORDER_DETAILS.getVelocityPage());
        final RequestData requestData = requestUtil.getRequestData(request);

        final String orderNum = request.getParameter(RequestConstants.REQUEST_PARAMETER_ORDER_NUM);
        final OrderPurchase orderPurchase = orderPurchaseService.getOrderByOrderNum(orderNum);

        if (orderPurchase != null) {
            modelAndView.addObject(ModelConstants.ORDER_VIEW_BEAN, backofficeViewBeanFactory
                    .buildViewBeanOrder(requestUtil.getRequestData(request), orderPurchase));
        } else {
            final String url = requestUtil.getLastRequestUrl(request);
            return new ModelAndView(new RedirectView(url));
        }

        model.addAttribute(ModelConstants.URL_BACK,
                backofficeUrlService.generateUrl(BoUrls.ORDER_LIST, requestData));

        Object[] params = { orderPurchase.getOrderNum() };
        overrideDefaultMainContentTitle(request, modelAndView, BoUrls.ORDER_DETAILS.getKey(), params);

        return modelAndView;
    }

    protected void displayList(final HttpServletRequest request, final Model model, final RequestData requestData)
            throws Exception {
        String url = request.getRequestURI();
        String page = request.getParameter(Constants.PAGINATION_PAGE_PARAMETER);
        String sessionKey = "PagedListHolder_Orders";

        PagedListHolder<OrderViewBean> orderViewBeanPagedListHolder = new PagedListHolder<OrderViewBean>();

        if (StringUtils.isEmpty(page)) {
            orderViewBeanPagedListHolder = initList(request, sessionKey);

        } else {
            orderViewBeanPagedListHolder = (PagedListHolder) request.getSession().getAttribute(sessionKey);
            if (orderViewBeanPagedListHolder == null) {
                orderViewBeanPagedListHolder = initList(request, sessionKey);
            }
            int pageTarget = new Integer(page).intValue() - 1;
            int pageCurrent = orderViewBeanPagedListHolder.getPage();
            if (pageCurrent < pageTarget) {
                for (int i = pageCurrent; i < pageTarget; i++) {
                    orderViewBeanPagedListHolder.nextPage();
                }
            } else if (pageCurrent > pageTarget) {
                for (int i = pageTarget; i < pageCurrent; i++) {
                    orderViewBeanPagedListHolder.previousPage();
                }
            }
        }
        model.addAttribute(Constants.PAGINATION_PAGE_URL, url);
        model.addAttribute(Constants.PAGINATION_PAGE_PAGED_LIST_HOLDER, orderViewBeanPagedListHolder);
    }

    private PagedListHolder<OrderViewBean> initList(final HttpServletRequest request, String sessionKey)
            throws Exception {
        PagedListHolder<OrderViewBean> orderViewBeanPagedListHolder = new PagedListHolder<OrderViewBean>();

        final List<OrderViewBean> orderViewBeans = new ArrayList<OrderViewBean>();

        final List<OrderPurchase> orderPurchases = orderPurchaseService.findOrders();
        for (Iterator<OrderPurchase> iterator = orderPurchases.iterator(); iterator.hasNext();) {
            OrderPurchase orderPurchase = (OrderPurchase) iterator.next();
            orderViewBeans.add(backofficeViewBeanFactory.buildViewBeanOrder(requestUtil.getRequestData(request),
                    orderPurchase));
        }
        orderViewBeanPagedListHolder = new PagedListHolder<OrderViewBean>(orderViewBeans);
        orderViewBeanPagedListHolder.setPageSize(Constants.PAGE_SIZE);
        request.getSession().setAttribute(sessionKey, orderViewBeanPagedListHolder);
        return orderViewBeanPagedListHolder;
    }

}