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package lq;
import java.io.IOException;
import javax.jdo.PersistenceManager;
import javax.jdo.Transaction;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class AddVote extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws IOException {
resp.setContentType("text/html");
Long quoteId;
Long rating;
String ip;
try {
quoteId = Long.parseLong(req.getParameter("id"));
rating = Long.parseLong(req.getParameter("vote"));
ip = req.getRemoteAddr();
String forward = req.getHeader("X-Forwarded-For");
if (!Strings.nullOrEmpty(forward)) {
ip = ip + " (" + forward + ")";
}
} catch (NumberFormatException e) {
resp.getWriter().println("invalid arguments");
return;
}
if (rating.longValue() < 0 || rating.longValue() > 5) {
resp.getWriter().println("nice try");
return;
}
Quote quote = QuoteUtil.getQuoteWithId(quoteId);
if (quote == null) {
resp.getWriter().println("failed to retrieve quote");
return;
}
Vote vote = new Vote(quoteId, rating, ip);
QuoteUtil.addVote(quote, vote);
PersistenceManager pm = PMF.get().getPersistenceManager();
// Transaction tx = pm.currentTransaction();
try {
// tx.begin();
pm.makePersistent(quote);
pm.makePersistent(vote);
// tx.commit();
} finally {
// if (tx.isActive()) {
// tx.rollback();
// }
pm.close();
}
resp.getWriter().println(QuoteUtil.formatScore(quote));
}
}
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