Subversion Repositories SmartDukaan

package in.shop2020.dtrapi.controllers;

import java.io.IOException;

import java.net.URI;

import java.net.URISyntaxException;

import java.util.HashMap;

import java.util.List;

import org.apache.axis.encoding.Base64;

import org.apache.http.NameValuePair;

import org.apache.http.client.utils.URLEncodedUtils;

import org.apache.log4j.Logger;

import org.json.JSONArray;

import org.json.JSONException;

import org.jsoup.Jsoup;

import org.jsoup.nodes.Document;

import com.whalin.MemCached.MemCachedClient;

import in.shop2020.dtrapi.services.MemCache;

public class SnapdealProductPageParserController extends BaseController{

    private static Logger log = Logger.getLogger(Class.class);

    private static final long serialVersionUID = 1L;

    private String url;

    private String supc = "";

    private String productUrl = "";

    private String color = "";

    private static final String INDEX = "index";

    private static final String KEY = "snapdealSupcToColorMapping";

    private static MemCache memCache = new MemCache();

    private static MemCachedClient memcachedClient = memCache.getClient();

    public String getJavaScriptToEmbedd() throws IOException, JSONException, URISyntaxException{

        try{

            parseUrl();

            if (!checkCache()){

                System.out.println(productUrl);

                Document doc = Jsoup.connect(productUrl).get();

                doc.outputSettings().charset("UTF-8");

                JSONArray jsonArray = new JSONArray(doc.getElementById("productAttributesJson").attr("value"));

                for (int element=0; element<jsonArray.length();element++){

                    if (supc.equalsIgnoreCase(jsonArray.getJSONObject(element).getString("supc"))){

                        color = jsonArray.getJSONObject(element).getString("value");

                        populateCache(supc, color);

                    }

                }

            }

            setResultJson(getJavaScriptCode());

        }

        catch (Exception e){

            log.error("Error while getting product details " +e);

            setResultJson(getJavaScriptCode());

        }

        return INDEX;

    }

    private String getJavaScriptCode(){

        String jsCode = "javascript:try{var ele=document.getElementById('attribute-select-0');ele.value ="+"'"+color+"'"+"';ele.onchange();}catch(error){Android.onError(error.message);}";

        return jsCode;

    }

    private void parseUrl() throws URISyntaxException{

        List<NameValuePair> params = URLEncodedUtils.parse(new URI(url), "UTF-8");

        for (NameValuePair param : params){

            if (param.getName().equalsIgnoreCase("supc")){

                supc = param.getValue();

            }

        }

        productUrl = new URI(url).getHost()+new URI(url).getPath();

        if (!productUrl.startsWith("http")){

            productUrl = "http://"+productUrl;

        }

    }

    private void populateCache(String supc, String color){

        System.out.println("populating cache");

        Object cacheValue = memcachedClient.get(KEY);

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

        if (cacheValue != null) {

            supcMap=(HashMap<String, String>)cacheValue;

            supcMap.put(supc, color);

        }

        else{

            supcMap.put(supc, color);

        }

        memcachedClient.set(KEY, supcMap);

    }

    private boolean checkCache(){

        if (supc!=null){

            Object cacheValue = memcachedClient.get(KEY);

            if (cacheValue != null) {

                System.out.println("cache value is not null");

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

                supcMap=(HashMap<String, String>)cacheValue;

                System.out.println("supc map "+supcMap);

                color = supcMap.get(supc);

                System.out.println("color "+color);

                if (!(color==null || color.isEmpty())){

                    return true;

                }

            }

        }

        return false;

    }

    public void setUrl(String url) {

        byte[] decoded = Base64.decode(url);

        this.url = new String(decoded);

    }

    public String getUrl() {

        return url;

    }

    public static void main(String[] args) throws URISyntaxException, IOException, JSONException{

        SnapdealProductPageParserController s = new SnapdealProductPageParserController();

        String url = "http://m.snapdeal.com/product/samsung-galaxy-grand-max/647437791381?supc=SDL021483758&aff_id=1&bhalala=0";

        s.setUrl(Base64.encode(url.getBytes()));

        s.getJavaScriptToEmbedd();

    }

}