fr.hoteia.qalingo.web.mvc.controller.search.SearchController.java Source code

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Here is the source code for fr.hoteia.qalingo.web.mvc.controller.search.SearchController.java

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/**
 * Most of the code in the Qalingo project is copyrighted Hoteia and licensed
 * under the Apache License Version 2.0 (release version 0.7.0)
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *                   Copyright (c) Hoteia, 2012-2013
 * http://www.hoteia.com - http://twitter.com/hoteia - contact@hoteia.com
 *
 */
package fr.hoteia.qalingo.web.mvc.controller.search;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.validation.Valid;

import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.support.PagedListHolder;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

import fr.hoteia.qalingo.core.Constants;
import fr.hoteia.qalingo.core.domain.enumtype.FoUrls;
import fr.hoteia.qalingo.core.service.ProductMarketingService;
import fr.hoteia.qalingo.core.solr.response.ProductResponseBean;
import fr.hoteia.qalingo.core.solr.service.ProductSolrService;
import fr.hoteia.qalingo.core.web.servlet.ModelAndViewThemeDevice;
import fr.hoteia.qalingo.web.mvc.controller.AbstractMCommerceController;
import fr.hoteia.qalingo.web.mvc.form.SearchForm;
import fr.hoteia.qalingo.web.mvc.viewbean.SearchProductItemViewBean;
import fr.hoteia.qalingo.web.mvc.viewbean.SearchViewBean;

/**
 * 
 */
@Controller("searchController")
public class SearchController extends AbstractMCommerceController {

    private final Logger LOG = LoggerFactory.getLogger(getClass());

    @Autowired
    public ProductMarketingService productMarketingService;

    @Autowired
    public ProductSolrService productSolrService;

    @RequestMapping(value = FoUrls.SEARCH_URL, method = RequestMethod.GET)
    public ModelAndView displaySearch(final HttpServletRequest request, final HttpServletResponse response,
            ModelMap modelMap) throws Exception {
        ModelAndViewThemeDevice modelAndView = new ModelAndViewThemeDevice(getCurrentVelocityPath(request),
                FoUrls.SEARCH.getVelocityPage());

        final SearchViewBean search = viewBeanFactory.buildSearchViewBean(requestUtil.getRequestData(request));
        modelAndView.addObject("search", search);

        modelAndView.addObject("searchForm", formFactory.buildSearchForm(request));

        return modelAndView;
    }

    @RequestMapping(value = FoUrls.SEARCH_URL, method = RequestMethod.POST)
    public ModelAndView search(final HttpServletRequest request, final HttpServletResponse response,
            @Valid SearchForm searchForm, BindingResult result, ModelMap modelMap) throws Exception {

        ModelAndViewThemeDevice modelAndView = new ModelAndViewThemeDevice(getCurrentVelocityPath(request),
                FoUrls.SEARCH.getVelocityPage());

        if (result.hasErrors()) {
            return displaySearch(request, response, modelMap);
        }

        final SearchViewBean search = viewBeanFactory.buildSearchViewBean(requestUtil.getRequestData(request));
        modelAndView.addObject("search", search);

        try {
            ProductResponseBean productResponseBean = productSolrService.searchProduct();
            modelAndView.addObject(Constants.SEARCH_FACET_FIELD_LIST, viewBeanFactory
                    .buildSearchFacetViewBeans(requestUtil.getRequestData(request), productResponseBean));

            String url = requestUtil.getCurrentRequestUrl(request);

            String sessionKey = "PagedListHolder_Search_List_Product_" + request.getSession().getId();
            String page = request.getParameter(Constants.PAGINATION_PAGE_PARAMETER);
            PagedListHolder<SearchProductItemViewBean> accountsViewBeanPagedListHolder;

            if (StringUtils.isEmpty(page)) {
                accountsViewBeanPagedListHolder = initList(request, sessionKey, productResponseBean,
                        new PagedListHolder<SearchProductItemViewBean>());
            } else {

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

        } catch (Exception e) {
            LOG.error("SOLR Error", e);
        }

        return modelAndView;
    }

    private PagedListHolder<SearchProductItemViewBean> initList(final HttpServletRequest request,
            final String sessionKey, final ProductResponseBean productResponseBean,
            PagedListHolder<SearchProductItemViewBean> accountsViewBeanPagedListHolder) throws Exception {
        List<SearchProductItemViewBean> searchProductItems = viewBeanFactory
                .buildSearchProductItemViewBeans(requestUtil.getRequestData(request), productResponseBean);
        accountsViewBeanPagedListHolder = new PagedListHolder<SearchProductItemViewBean>(searchProductItems);
        accountsViewBeanPagedListHolder.setPageSize(Constants.PAGINATION_DEFAULT_PAGE_SIZE);
        request.getSession().setAttribute(sessionKey, searchProductItems);
        return accountsViewBeanPagedListHolder;
    }

}