Subversion Repositories SmartDukaan

package in.shop2020.serving.controllers;

import in.shop2020.datalogger.EventType;
import in.shop2020.model.v1.catalog.Category;
import in.shop2020.serving.cache.EhcacheWrapper.CacheKeys;
import in.shop2020.serving.cache.SnippetCacheWrapper;
import in.shop2020.serving.services.SolrSearchService;
import in.shop2020.serving.utils.Utils;
import in.shop2020.utils.CategoryManager;
import in.shop2020.utils.DataLogger;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;
import org.apache.struts2.convention.annotation.Result;

import com.google.gson.Gson;


/**
 * @author rajveer
 *
 */
@Result(name="redirect", location="${location}", type="redirect")
public class SearchController extends BaseController {

        private static final long serialVersionUID = -8392433517042806559L;
        private static Logger log = Logger.getLogger(Class.class);

        private static HashMap<String, List<String>> categoriesChildren = null;
        private static Map<Long, String> categoryLabelMap = null;

        private List<String> results;
        private List<String> dealResults;
        private Map<String, Double> dynamicSearchMap;

        /**
         * 
         */
        private Map<String, String> snippets;
        
        /**
         * 
         */
        private Map<String, List<String[]>> facets = null;
        
        /**
         * 
         */
        private Map<String, List<List<String>>> crumbs;
        
        private String  query;
        private String sortOrder = null;
        private Double minPrice = null;
        private Double maxPrice = null;

        private long windowSize = 20;
        private long page = 1;
        private long totalResults;
        private long beginIndex = 0;
        private String url;
        private String priceUrl = "?";
        private String sortUrl;
        private String location;
        
        /**
         * 
         * @return
         * @throws UnsupportedEncodingException
         */
    // GET /query

    public String index() throws Exception {
        
        
                query = this.request.getParameter("q");
                
                if(query==null){
                        query="*";
                }
                
                if(query.trim().isEmpty()){
                        query="*";
                }
                
                url = "q="+ URLEncoder.encode(query, "UTF-8");
                
                sortUrl = url;
                if(this.request.getParameter("sort") != null){
                url= url + "&sort=" + this.request.getParameter("sort");
                sortOrder = this.request.getParameter("sort");
        }
                priceUrl += url;
        if(this.request.getParameter("page") != null){
                this.page = Long.parseLong(this.request.getParameter("page"));
                this.beginIndex = this.windowSize * (this.page-1);
        }
        if(this.request.getParameter("minPrice") != null){
                this.minPrice = (new Double(this.request.getParameter("minPrice")));
                url= url + "&minPrice=" + this.request.getParameter("minPrice");
        }
        if(this.request.getParameter("maxPrice") != null){
                this.maxPrice = (new Double(this.request.getParameter("maxPrice")));
                url= url + "&maxPrice=" + this.request.getParameter("maxPrice");
        }       
        
        
        String[] fqrys = this.request.getParameterValues("fq");
        
        this.crumbs = new HashMap<String, List<List<String>>>();
        
                
        String urlCrumb = "";
        if(query != null) {
                urlCrumb = url; 
            }else {
                
        }
        
        if(fqrys != null) {
                log.info("fqrys=" + Arrays.toString(fqrys));
                String filterUrl = "";
                for(int i=0; i<fqrys.length; i++){
                        urlCrumb += "&fq=" + URLEncoder.encode(fqrys[i], "UTF-8");
                        priceUrl += "&fq=" + URLEncoder.encode(fqrys[i], "UTF-8");
                        sortUrl += "&fq=" + URLEncoder.encode(fqrys[i], "UTF-8");
                        String facetName = StringUtils.split(fqrys[i], ":")[0];
                        String facetValue = StringUtils.split(fqrys[i], ":")[1];
                        String facetLabel = Utils.FACET_LABEL_MAP.get(facetName);
                        filterUrl = "&fq=" + URLEncoder.encode(fqrys[i], "UTF-8"); 
                        List<String> acrumb = Arrays.asList(facetValue, filterUrl);
                        if(!crumbs.containsKey(facetLabel)) {
                                crumbs.put(facetLabel, new ArrayList<List<String>>());
                        }
                        
                        this.crumbs.get(facetLabel).add(acrumb);
                }
        }
        url = urlCrumb;

        
        log.info("Queried term:" + query);
        SolrSearchService search = new SolrSearchService(URLEncoder.encode("\"" + query + "\"" + " OR " + query, "UTF-8"), fqrys, (page-1)*windowSize, windowSize, minPrice, maxPrice, sortOrder, sourceId, userinfo.isPrivateDealUser());

        this.results =  search.getResultMap(); 
        this.dealResults =  search.getDealMap();        
        this.dynamicSearchMap = search.getDynamicPriceMap();
        // Facets
        List<String> fqs = null;
        if (fqrys != null) {
                fqs = Arrays.asList(fqrys);
        }else {
                fqs = new ArrayList<String>();
        }
        
                setFacet(fqs, search);
        
                //If 
        Map<String, Double> priceMap = search.getPriceStatsMap();
        if(priceMap != null){
                if (this.minPrice == null){
                        this.minPrice = priceMap.get("min");
                }
                if(this.maxPrice == null) {
                        this.maxPrice = priceMap.get("max");
                }
        } else{
                this.minPrice = 0.0;
                this.maxPrice = 0.0;
        }
        
        this.totalResults = search.getTotalResults();
//        DataLogger.logData(EventType.PRODUCT_SEARCH, getSessionId(), userinfo.getUserId(), userinfo.getEmail(),
//                query, Long.toString(Utils.ROOT_CATEGORY), Long.toString(totalResults));
        return "index";
    }


    private void setFacet(List<String> fqs, SolrSearchService search) throws Exception{

        this.facets = new LinkedHashMap<String, List<String[]>>();
        List<String> filtrableFacets = search.getFilterableFacets();
        for (String filtrableFacet : filtrableFacets) {
                
                Map<String, Integer> facetDetailMap = search.getFacetDetails(filtrableFacet);
                if(facetDetailMap==null)
                        continue;
                List<String[]> values = new ArrayList<String[]>();
                for(Entry<String, Integer> facetEntry : facetDetailMap.entrySet()){
                        String selected = "";
                        if(fqs.contains(filtrableFacet + ":" + facetEntry.getKey())) {
                                selected = "checked=\"checked\"";
                        }
                    String facet = facetEntry.getKey();
                        String drilldownURL = "&fq=" +  
                                URLEncoder.encode( filtrableFacet + ":" + facet, "UTF-8"); 
                        String[] afacet = new String[] { facet, 
                              facetEntry.getValue().toString(), drilldownURL,  selected};
                        values.add(afacet);    
                }
                
                this.facets.put(Utils.FACET_LABEL_MAP.get(filtrableFacet), values);
        }
        }


        public Map<String, String> getSnippets() throws Exception {
        if(results != null){
                snippets = new HashMap<String, String>();       
                if(userinfo.isPrivateDealUser()) {
                        for(String docId: results){
                                if(dealResults.contains(docId)) {
                                        String snippet = (String) SnippetCacheWrapper.getSnippet(CacheKeys.PRIVATE_DEAL_SNIPPET_KEY, docId, sourceId);
                                        if (snippet != null) {
                                                snippets.put(docId, snippet);
                                                continue;
                                        }
                                }
                                String snippet = (String) SnippetCacheWrapper.getSnippet(CacheKeys.CATEGORY_SNIPPET_CACHE_KEY, docId, sourceId);
                                if (snippet != null) {
                                        snippets.put(docId, snippet);
                                }
                        } 
                        } else {
                                for(String docId: results){
                                        String snippet = (String) SnippetCacheWrapper.getSnippet(CacheKeys.CATEGORY_SNIPPET_CACHE_KEY, docId, sourceId);
                                        if (snippet != null) {
                                                snippets.put(docId, snippet);
                                        }
                                } 
                                
                        }
        }
                return snippets;
    }
        
    /**
     * 
     * @return
     */
    public String getQuery() {
        if(this.query.equals("*")){
                return "Search Mobile Phones and Best Deals in India";
        }
        return this.query;
    }
    
    
    /**
     * 
     * @return
     */
    public List<String> getResults() {
        return this.results;
    }
    
    /**
     * 
     * @return
     */
    public Map<String, List<String[]>> getFacets() {
        return this.facets;
    }
    
    public long getTotalResults(){
        return totalResults;
    }
    
    public String getUrl(){
        return this.url;
    }

    public String getPriceUrl(){
        return this.priceUrl;
    }
    
    public String getSortUrl(){
        return this.sortUrl;
    }
    
        public long getBeginIndex(){
                if(totalResults>0)
                        return beginIndex+1;
                return beginIndex;
        }

        public long getTotalPages() {
                return 1 + (totalResults-1)/windowSize;
        }

        public long getCurrentPage() {
                return this.page;
        }

    public Double getMinPrice() {
        return this.minPrice;
    }
    
    public Double getMaxPrice() {
        return this.maxPrice;
    }
    
    public Map<String, List<List<String>>> getCrumbs() {
        return this.crumbs;
    }

    public String getSortOrder(){
        return this.sortOrder;
    }
    
    public String getLocation(){
        return this.location;
    }
    
    public List<String> getChildren(String categoryLabel) {
        return getCategoriesChildren().get(categoryLabel);
    }
    
    public static Map<String, List<String>> getCategoriesChildren(){
        Map<Long,String> idLabelMap = new HashMap<Long, String>(); 
        if (categoriesChildren == null) {
                categoriesChildren = new HashMap<String, List<String>>();
                for (Category category: CategoryManager.getCategoryManager().getCategories().values()){
                        idLabelMap.put(category.getId(), category.getLabel());
                }
                for (Category category: CategoryManager.getCategoryManager().getCategories().values()){
                        if(category.getParent_category_id() != 10000 && category.getParent_category_id() != 0 &&
                                        category.getParent_category_id() != Utils.MOBILE_PHONES_CATEGORY){
                                String parentLabel = idLabelMap.get(category.getParent_category_id());
                                if(!categoriesChildren.containsKey(parentLabel)){
                                        categoriesChildren.put(parentLabel, new ArrayList<String>());
                                }
                                categoriesChildren.get(parentLabel).add(category.getLabel());
                        }
                }
        }
        
        return categoriesChildren;
    }
    
    public static String getCategoryLabel(Long id){
        if(categoryLabelMap == null){
                Map<Long,String> idLabelMap = new HashMap<Long, String>(); 
                for (Category category: CategoryManager.getCategoryManager().getCategories().values()){
                        idLabelMap.put(category.getId(), category.getLabel());
                }
                categoryLabelMap = idLabelMap;
        } 
        return categoryLabelMap.get(id);
    }
    
        public String getDynamicSearchMap(){
        if (this.dynamicSearchMap == null) {
                return "{}";
        } else {
                return new Gson().toJson(this.dynamicSearchMap);
        }
    }
}