/**
* Jan 16, 2006
*/
package net.sourceforge.fenixedu.presentationTier.Action.credits;

import java.util.Iterator;
import java.util.List;

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

import net.sourceforge.fenixedu.applicationTier.IUserView;
import net.sourceforge.fenixedu.applicationTier.Filtro.exception.FenixFilterException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.commons.OrderedIterator;
import net.sourceforge.fenixedu.domain.Teacher;
import net.sourceforge.fenixedu.domain.credits.CreditLine;
import net.sourceforge.fenixedu.presentationTier.Action.base.FenixDispatchAction;
import net.sourceforge.fenixedu.presentationTier.Action.sop.utils.ServiceUtils;
import net.sourceforge.fenixedu.presentationTier.Action.sop.utils.SessionUtils;

import org.apache.commons.beanutils.BeanComparator;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.DynaActionForm;

/**
 * @author Ricardo Rodrigues
 *
 */

public class ReadAllTeacherCreditsResumeDispatchAction extends FenixDispatchAction{

    public ActionForward prepareTeacherSearch(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response) throws NumberFormatException,
            FenixFilterException, FenixServiceException {

        DynaActionForm dynaForm = (DynaActionForm) form;
        dynaForm.set("method", "showTeacherCreditsResume");
        return mapping.findForward("search-teacher-form");
    }
    
    public ActionForward showTeacherCreditsResume(ActionMapping mapping, ActionForm form, HttpServletRequest request,
            HttpServletResponse response) throws NumberFormatException, FenixServiceException, Exception {
        IUserView userView = SessionUtils.getUserView(request);
        
        DynaActionForm dynaForm = (DynaActionForm) form;        
        Integer teacherNumber = Integer.parseInt(dynaForm.getString("teacherNumber")); 
        
        Teacher teacher = Teacher.readByNumber(teacherNumber);
        dynaForm.set("teacherId",teacher.getIdInternal());
        request.setAttribute("teacher", teacher);

        Object[] args = new Object[] {teacher.getIdInternal()};
        List<CreditLine> creditsLines = (List) ServiceUtils.executeService(userView, "ReadAllTeacherCredits", args);        
        request.setAttribute("creditsLinesSize",creditsLines.size());
        
        BeanComparator dateComparator = new BeanComparator("executionPeriod.beginDate");        
        Iterator orderedCreditsLines = new OrderedIterator(creditsLines.iterator(),dateComparator);
        
        request.setAttribute("creditsLines", orderedCreditsLines);
        return mapping.findForward("show-all-credits-resume");
    }
    
}