/*
 * Created on May 24, 2004
 *
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 */
package net.sourceforge.fenixedu.presentationTier.Action.publication;

import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sourceforge.fenixedu.applicationTier.IUserView;
import net.sourceforge.fenixedu.dataTransferObject.SiteView;
import net.sourceforge.fenixedu.dataTransferObject.publication.InfoPublication;
import net.sourceforge.fenixedu.dataTransferObject.publication.InfoSitePublications;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixAction;
import net.sourceforge.fenixedu.presentationTier.Action.sop.utils.ServiceUtils;
import net.sourceforge.fenixedu.presentationTier.Action.sop.utils.SessionUtils;

import org.apache.commons.lang.StringUtils;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

public class PublicationManagementAction extends FenixAction {

	public ActionForward execute(ActionMapping mapping, ActionForm actionForm,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		IUserView userView = SessionUtils.getUserView(request);

		Object[] args = { userView.getUtilizador() };

		SiteView siteView = (SiteView) ServiceUtils.executeService(userView,
				"ReadAuthorshipsWithPublicationsByUsername", args);
		InfoSitePublications infoSitePublications = (InfoSitePublications) siteView
				.getComponent();

		List listaPub = infoSitePublications.getInfoPublications();

		/** this class is a mere comparator to sort publications */
        //DOME see if this comparator is still needed
		class PublicationComparator implements Comparator {
			public int compare(Object o1, Object o2) {
				InfoPublication infoPublication1 = (InfoPublication) o1;
				InfoPublication infoPublication2 = (InfoPublication) o2;
				int year1, year2;

				if (infoPublication1.getYear() != null
						&& infoPublication2.getYear() != null
						&& StringUtils.isNumeric(infoPublication1.getYear())
						&& StringUtils.isNumeric(infoPublication2.getYear())) {
					year1 = Integer.parseInt(infoPublication1.getYear());
					year2 = Integer.parseInt(infoPublication2.getYear());

					if (year1 < year2)
						return 1;
					if (year1 == year2)
						return 0;
					return -1;
				}
				return 0;
			}
		}

		Collections.sort(listaPub, new PublicationComparator());
		infoSitePublications.setInfoPublications(listaPub);
		request.setAttribute("infoSitePublications", infoSitePublications);

		String msg = (String) request.getAttribute("msg");
		if (msg != null) {
			ActionMessages messages = new ActionMessages();
			messages.add("message1", new ActionMessage(msg));
			saveMessages(request, messages);
		}

		return mapping.findForward("show-publications");
	}
}