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package in.shop2020.serving.controllers;
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import in.shop2020.datalogger.EventType;
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import in.shop2020.model.v1.user.UserContextService.Client;
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import in.shop2020.model.v1.user.Widget;
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import in.shop2020.model.v1.user.WidgetException;
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import in.shop2020.model.v1.user.WidgetItem;
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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.UserContextServiceClient;
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import in.shop2020.utils.DataLogger;
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import java.io.File;
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import java.io.FileNotFoundException;
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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.commons.lang.StringUtils;
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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.InterceptorRef;
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import org.apache.struts2.convention.annotation.Result;
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import org.apache.struts2.convention.annotation.Results;
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import org.apache.thrift.TException;
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import org.json.JSONArray;
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import org.json.JSONException;
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@SuppressWarnings("serial")
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@Results({
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	@Result(name="success", location="myresearch-success.vm")
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})
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public class MyresearchController extends BaseController {
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    private UserContextServiceClient userServiceClient = null;
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	private Client client;
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    private static Logger log = Logger.getLogger(MyresearchController.class);
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    private String htmlSnippet = "";
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    private String snippets="";
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    private List<String> items;
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    private String itemsInJson;
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    private int totalItems = 0;
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	public MyresearchController(){
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		super();
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		try {
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			userServiceClient = new UserContextServiceClient();
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			client = userServiceClient.getClient();
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		} catch (Exception e) {
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			e.printStackTrace();
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		}
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	}
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	@Action(value="myresearch",interceptorRefs={@InterceptorRef("myDefault")})
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	public String index() {
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	    try {
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	        JSONArray itemsJson =  new JSONArray();
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            Widget resWidget = client.getMyResearch(userinfo.getUserId());
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            List<WidgetItem> widgetItems = resWidget.getItems();
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            for (WidgetItem wItem : widgetItems) {
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                itemsJson.put(wItem.getItem_id());
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            }
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            itemsInJson = itemsJson.toString();
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        } catch (WidgetException e) {
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            e.printStackTrace();
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        } catch (TException e) {
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            e.printStackTrace();
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        }
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		return "index";
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	}
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	//myresearch/[1,2,3]
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	@Action(value="myresearch",interceptorRefs={@InterceptorRef("myDefault")})
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    public String show() {
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	    if(items != null){
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            for(String itemId: items){
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                try {
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                    snippets = snippets + FileUtils.read( Utils.EXPORT_ENTITIES_PATH + itemId + File.separator +"WidgetSnippet.html");
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                    totalItems++;
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                }
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                catch (FileNotFoundException e) {
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                    log.error("File not found : " + Utils.EXPORT_ENTITIES_PATH + itemId + File.separator +"WidgetSnippet.html");
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                }
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                catch (IOException e) {
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                    log.error("IO exception : " + Utils.EXPORT_ENTITIES_PATH + itemId + File.separator +"WidgetSnippet.html");
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                }
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            }
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        }
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        return "show";
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    }
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	//Handle /addtoresearch/{id}
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	@Action(value="addtoresearch",interceptorRefs={@InterceptorRef("createuser"),@InterceptorRef("myDefault")})
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	public String create() throws WidgetException, TException, IOException {
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	    if(userinfo.getUserId() != -1){
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			for (String item : items){
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	            long itemId = Long.parseLong(item);
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	            boolean isNew = client.updateMyResearch(userinfo.getUserId(), itemId);
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	            if(isNew){
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	                try {
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	                    htmlSnippet = htmlSnippet + FileUtils.read( Utils.EXPORT_ENTITIES_PATH + itemId + File.separator +"WidgetSnippet.html");
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	                }
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	                catch (FileNotFoundException e) {
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	                    log.error("File not found : " + Utils.EXPORT_ENTITIES_PATH + itemId + File.separator +"WidgetSnippet.html");
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	                }
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	                catch (IOException e) {
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	                    log.error("IO exception : " + Utils.EXPORT_ENTITIES_PATH + itemId + File.separator +"WidgetSnippet.html");
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	                }
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                    DataLogger.logData(EventType.RESEARCH_ADD, session.getId(), userinfo.getUserId(), userinfo.getEmail(), StringUtils.join(items, "_"));
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                }
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	        }
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		}
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		return "success";
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	}
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	@Action(value="deletefromresearch",interceptorRefs={@InterceptorRef("createuser"),@InterceptorRef("myDefault")})
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	public String destroy(){
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		for (String item : items){
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			long itemId = Long.parseLong(item);
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			deleteFromMyResearch(userinfo.getUserId(), itemId);
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			DataLogger.logData(EventType.RESEARCH_DELETE, session.getId(), userinfo.getUserId(), userinfo.getEmail(), StringUtils.join(items, "_"));
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		}
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		return "success";
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	}
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	private void deleteFromMyResearch(long userId, long itemId) {
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		try {
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			UserContextServiceClient userServiceClient = new UserContextServiceClient();
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			in.shop2020.model.v1.user.UserContextService.Client userClient = userServiceClient.getClient();
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			userClient.deleteItemFromMyResearch(userId, itemId);
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		} catch (WidgetException e) {
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			e.printStackTrace();
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		} catch (TException e) {
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			e.printStackTrace();
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		} catch (Exception e) {
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			e.printStackTrace();
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		}
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	}
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	public String getHtmlSnippet(){
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		if(htmlSnippet == "")	{
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			htmlSnippet = "0";
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		}
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		return htmlSnippet;
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	}
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	public String getSnippets() {
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        return snippets;
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    }
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	public int getTotalItems() {
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        return totalItems;
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    }
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	public void setProductid(String itemsString) {
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        setId(itemsString);
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    }
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	public void setId(String itemsString) {
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        JSONArray itemJson = null;
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        items = new ArrayList<String>();
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        try {
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            itemJson = new JSONArray(itemsString);
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        } catch (JSONException e) {
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            log.error("Bad json : " + itemsString);
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            return;
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        }
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        for (int i=0; i<itemJson.length(); i++) {
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            try {
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                items.add(itemJson.getString(i));
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            } catch (JSONException e) {
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                log.error("Bad item at index : " + i);
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            }
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        }
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    }
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    public String getItemsInJson() {
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        return this.itemsInJson;
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    }
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}