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package in.shop2020.serving.controllers;
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package in.shop2020.serving.controllers;
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import in.shop2020.model.v1.catalog.InventoryServiceException;
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import in.shop2020.model.v1.catalog.InventoryService.Client;
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import in.shop2020.serving.utils.FileUtils;
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import in.shop2020.serving.utils.Utils;
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import in.shop2020.thrift.clients.CatalogServiceClient;
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import java.io.File;
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import java.io.IOException;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.log4j.Logger;
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import org.apache.log4j.Logger;
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import org.apache.struts2.convention.annotation.Action;
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import org.apache.struts2.convention.annotation.Action;
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import org.apache.thrift.TException;
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/**
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/**
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 *
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 *
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 * @author rajveer
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 * @author rajveer
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 *
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 *
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 */
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 */
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@SuppressWarnings("serial")
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public class HomeController extends BaseController {
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public class HomeController extends BaseController {
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	private static final long serialVersionUID = 5014930578479365580L;
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	private static Logger logger = Logger.getLogger(Class.class);
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	private List<String> bestDealSnippets = null;
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	private List<String> bestSellerSnippets = null;
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	private static Logger log = Logger.getLogger(Class.class);
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	private List<String> latestArrivalSnippets = null;
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	public HomeController(){
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	public HomeController(){
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		super();
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		super();
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	}
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	}
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	@Action("/")
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	@Action("/")
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    public String index() throws SecurityException, IOException {
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    public String index() throws SecurityException, IOException {
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    	log.info("userinfo:" + userinfo.toString());
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    	logger.info("userinfo:" + userinfo.toString());
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		List<Long> bestDealCatalogIds = null;
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		List<Long> bestSellerCatalogIds = null;
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 		List<Long> latestArrivalCatalogIds = null;
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		try {
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			CatalogServiceClient catalogServiceClient = new CatalogServiceClient();
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			Client client = catalogServiceClient.getClient();
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			//Get top 4 best deals
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			bestDealCatalogIds = client.getBestDealsCatalogIds(0,4, null, -1);
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			//Get top 8 best deals b'coz 4 of them may overlap with best deals.
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			bestSellerCatalogIds = client.getBestSellersCatalogIds(0, 8, null, -1);
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			bestSellerCatalogIds.removeAll(bestDealCatalogIds);
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			//Get top 12 latest arrivals b'coz 4 of them may overlap with best deals
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			//while another 4 may overlap with best sellers.
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			latestArrivalCatalogIds = client.getLatestArrivalsCatalogIds(0, 12, null, 10003);
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			latestArrivalCatalogIds.removeAll(bestDealCatalogIds);
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			latestArrivalCatalogIds.removeAll(bestSellerCatalogIds.subList(0, 4)); //We're only considering the first 4 best sellers for removal.
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		} catch (InventoryServiceException e) {
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			logger.error("Error while fetching data from the catalog service", e);
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		} catch (TException e) {
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			logger.error("Error while fetching data from the catalog service", e);
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		} catch (Exception e) {
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			logger.error("Unexpected exception", e);
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		}
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		bestDealSnippets = getSnippets(bestDealCatalogIds);
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		bestSellerSnippets = getSnippets(bestSellerCatalogIds.subList(0, 4));
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		latestArrivalSnippets = getSnippets(latestArrivalCatalogIds).subList(0, 4);
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    	htmlSnippets.put("MAIN_BANNER", pageLoader.getMainBannerHtml());
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    	htmlSnippets.put("MAIN_BANNER", pageLoader.getMainBannerHtml());
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    	htmlSnippets.put("BEST_DEALS", pageLoader.getBestDealsHtml());
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    	htmlSnippets.put("BEST_SELLERS", pageLoader.getBestSellersHtml());
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    	htmlSnippets.put("LATEST_ARRIVALS", pageLoader.getLatestArrivalsHtml());
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    	return "index";
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    	return "index";
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    }
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    }
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	private List<String> getSnippets(List<Long> catalogIds) {
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		List<String> snippets = new ArrayList<String>();
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		if(catalogIds == null)
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			return snippets;
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		for(Long item: catalogIds){
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			try{
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				snippets.add(FileUtils.read( Utils.EXPORT_ENTITIES_PATH + item + File.separator +"HomeSnippet.html"));
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			}catch(IOException ioex){
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				logger.error("Unable to get home page snippet for " + item, ioex);
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			}
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		}
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		return snippets;
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	}
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	public String getMainBannerSnippet(){
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	public String getMainBannerSnippet(){
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		return htmlSnippets.get("MAIN_BANNER");
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		return htmlSnippets.get("MAIN_BANNER");
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	}
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	}
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	public String getBestDealsSnippet(){
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	public List<String> getBestDealSnippets(){
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		return htmlSnippets.get("BEST_DEALS");
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		return bestDealSnippets;
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	}
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	}
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	public String getLatestArrivalsSnippet(){
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	public List<String> getBestSellerSnippets(){
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		return htmlSnippets.get("LATEST_ARRIVALS");
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		return bestSellerSnippets;
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	}
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	}
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	public String getBestSellersSnippet(){
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	public List<String> getLatestArrivalSnippets(){
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		return htmlSnippets.get("BEST_SELLERS");
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		return latestArrivalSnippets;
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	}
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	}
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}
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}