package com.tubemostwanted.controller;
import java.io.IOException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.tubemostwanted.entity.Tube;
import com.tubemostwanted.entity.Tag;
import com.tubemostwanted.model.TagModel;
import com.tubemostwanted.model.TubeModel;
public class KeywordController extends HttpServlet {
private static final long serialVersionUID = 1L;
private static int itemPerPage = 12;
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
// search by input key.
try {
String path = ((HttpServletRequest) request).getRequestURI();
String[] splittedURI = path.split("/");
int page = 1;
String keyword = "";
if (splittedURI.length == 3) {
keyword = splittedURI[splittedURI.length - 1];
} else if (splittedURI.length == 4) {
keyword = splittedURI[splittedURI.length - 2];
try {
page = Integer
.parseInt(splittedURI[splittedURI.length - 1]);
} catch (Exception e) {
System.out.println("Error when parse page string to int.");
page = 1;
}
} else {
System.out.println("Error path.");
response.sendRedirect("/home");
}
keyword = URLDecoder.decode(keyword, "UTF8");
System.out.println("Keyword to search : " + keyword);
Tag tag = TagModel.getByAlias(keyword);
if (tag != null) {
List<Tube> result = new ArrayList<Tube>();
int startPoint = (page - 1) * itemPerPage;
if (tag.getListTubeId().size() > startPoint) {
for (int i = startPoint; i < tag.getListTubeId().size(); i++) {
if (i == (itemPerPage + startPoint)) {
break;
}
String id = tag.getListTubeId().get(i).getValue();
System.out.println(id);
Tube tub = TubeModel.getByTubeId(id);
if (tub != null) {
result.add(tub);
}
}
} else {
page = 1;
for (int i = 0; i < tag.getListTubeId().size(); i++) {
if (i == itemPerPage) {
break;
}
String id = tag.getListTubeId().get(i).getValue();
Tube tub = TubeModel.getByTubeId(id);
if (tub != null) {
result.add(tub);
}
}
}
request.setAttribute("url", request.getRequestURL());
request.setAttribute("result", result);
request.setAttribute("currentPage", page);
request.setAttribute("keyword", keyword.replaceAll("\\+", " "));
request.setAttribute("totalResult", tag.getListTubeId().size());
request.getRequestDispatcher("/keyword_show.jsp").forward(
request, response);
} else {
System.out.println("Tag is not exits.");
response.sendRedirect("/home");
}
} catch (Exception e) {
System.out.println("Exception.");
e.printStackTrace();
response.sendRedirect("/home");
}
}
}