Subversion Repositories SmartDukaan

/**

 * 

 */

package in.shop2020.serving.controllers;

import in.shop2020.serving.services.CategoryManager;

import in.shop2020.serving.services.PageLoaderHandler;

import in.shop2020.serving.services.SolrSearchService;

import in.shop2020.serving.utils.FileUtils;

import in.shop2020.serving.utils.Utils;

import java.io.File;

import java.io.IOException;

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.StringTokenizer;

import org.apache.commons.lang.StringUtils;

import org.apache.juli.logging.Log;

import org.apache.juli.logging.LogFactory;

import org.apache.struts2.rest.DefaultHttpHeaders;

import org.apache.struts2.rest.HttpHeaders;

/**

 * @author rajveer

 *

 */

public class CategoryController extends BaseController {

	/**

	 * 

	 */

	private static Log log = LogFactory.getLog(CategoryController.class);

	/**

	 * 

	 */

	private Map<String, String[]> results;

	private Map<String, String> snippets;

	private Map<String, List<String[]>> facets;

	private List<String[]> crumbs;

	/**

	 * 

	 */

	private String id;

	private String categoryName;

	private String query;

	private Double minPrice;

	private Double maxPrice;

	private long windowSize = 20;

	private long page = 1;

	private long totalResults;

	private long beginIndex = 0;

	private String url;

	private String priceUrl;

	/**

	 * GET /category/10004

	 * 

	 */

    public HttpHeaders show() throws SecurityException, IOException {

    	log.info("id=" + id);

    	this.categoryName = CategoryManager.getCategoryManager().getCategoryLabel(Long.parseLong(id));

		htmlSnippets.put("CATEGORY_HEADER", pageLoader.getCategoryHeaderSnippet());

		String[] facetDefIDs = new String[] {"Category","F_50002","F_50001",  "F_50006", "F_50007" };

    	String[] facetLabels = new String[] {"Category","Price", "Brand", "Data Connectivity", "Camera Resolution" 	};

    	String[] fqrys = this.request.getParameterValues("fq");

    	url = "?";

    	query = "*";

    	int length = 1;

    	if(fqrys!= null){

    		length += fqrys.length;

    	}

    	String[] newfqrys = new String[length];

    	newfqrys[0] = "Category:"+categoryName;

    	String urlCrumb = url;

    	this.crumbs = new ArrayList<String[]>();

    	List<String> arrList = Arrays.asList(facetDefIDs);

    	for(int i=1; i<length; i++) {

    		newfqrys[i] = fqrys[i-1];

    		urlCrumb += "&fq=" + URLEncoder.encode(fqrys[i-1], "UTF-8");

    		priceUrl += "&fq=" + URLEncoder.encode(fqrys[i-1], "UTF-8");

    		String filterUrl = url;

    		String facetName = StringUtils.split(fqrys[i-1], ":")[0];

    		String facetValue = StringUtils.split(fqrys[i-1], ":")[1];

    		String facetLabel = facetLabels[arrList.indexOf(facetName)];

    		for(int j=1; j<length; j++) {

    			if(i==j){

    				continue;

    			}

    			filterUrl += "&fq=" + URLEncoder.encode(fqrys[j-1], "UTF-8");

	    	}

    		String[] acrumb = new String[] { facetLabel, facetValue, filterUrl };

    		log.info("acrumb=" + Arrays.toString(acrumb));

    		this.crumbs.add(acrumb);

    	}

		url = urlCrumb;

    	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("min-price") != null){

    		this.minPrice = (new Double(this.request.getParameter("min-price")));

    		url= url + "&min-price=" + this.request.getParameter("min-price");

    	}

    	if(this.request.getParameter("max-price") != null){

    		this.maxPrice = (new Double(this.request.getParameter("max-price")));

    		url= url + "&max-price=" + this.request.getParameter("max-price");

    	}    	

    	SolrSearchService search = new SolrSearchService(query, newfqrys, facetDefIDs, (page-1)*windowSize, windowSize, minPrice, maxPrice, 10000, null);

    	this.results = new LinkedHashMap<String, String[]>();

    	this.results =  search.getResultMap(); 

    	this.facets = new LinkedHashMap<String, List<String[]>>();

    	String qryString = this.request.getQueryString();

    	log.info("qryString=" + qryString);

    	for (int i=0; i<facetDefIDs.length; i++) {

    		String facetDefID = facetDefIDs[i];

    		String facetLabel = facetLabels[i];

    		HashMap<String, Integer> facetDetailMap = search.getFacetDetails(facetDefID);

    		if(facetDetailMap==null)

    			continue;

    		List<String[]> values = new ArrayList<String[]>();

    		String drilldownURL = new String();

    		for(String facet: facetDetailMap.keySet()){

    			/*

    			if(qryString != null){

    				drilldownURL = qryString;

    			}

    			*/

        		drilldownURL = url;

    			drilldownURL = drilldownURL + "&fq=" + facetDefID + ":" + 

    				URLEncoder.encode(facet, "UTF-8");

      			String[] afacet = new String[] { facet, 

      					facetDetailMap.get(facet).toString(), drilldownURL  };

      			values.add(afacet);    

    		}

    		this.facets.put(facetLabel, values);

    	}

    	Map<String, Double> priceMap = search.getPriceStatsMap();

    	if(priceMap != null){

    		this.minPrice = priceMap.get("min");

    		this.maxPrice = priceMap.get("max");

    	}else{

    		this.minPrice = 0.0;

    		this.maxPrice = 0.0;

    	}

    	this.totalResults = search.getTotalResults();

        return new DefaultHttpHeaders("show");

    }

    public void setId(String id) {

    	StringTokenizer tokenizer = new StringTokenizer(id,"-");

    	while(tokenizer.hasMoreTokens()){

    		this.id = tokenizer.nextToken();

    	}

    }

    public String getId() {

    	return this.id;

    }

    public String getCategoryName() {

    	return this.categoryName;

    }

    public String getSearchHeaderSnippet(){

		return htmlSnippets.get("SEARCH_HEADER");

	}

	public String getSearchDetailsSnippet(){

		return htmlSnippets.get("SEARCH_DETAILS");

	}

	public String getQuery() {

    	return this.query;

    }

    public Map<String, String[]> getResults() {

    	return this.results;

    }

    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 long getBeginIndex(){

		if(totalResults>0)

			return beginIndex+1;

		return beginIndex;

	}

	public long getTotalPages() {

		return 1 + totalResults/windowSize;

	}

	public long getCurrentPage() {

		return this.page;

	}

    public Double getMinPrice() {

    	return this.minPrice;

    }

    public Double getMaxPrice() {

    	return this.maxPrice;

    }

    public List<String[]> getCrumbs() {

    	return this.crumbs;

    }

    public Map<String, String> getSnippets() throws Exception {

    	if(results != null){

    		snippets = new HashMap<String, String>();	

	    	for(String docId: results.keySet()){

				snippets.put(docId, FileUtils.read( Utils.EXPORT_ENTITIES_PATH + docId + File.separator +"CategorySnippet.html"));

			}

    	}

		return snippets;

    }

}