registrasiaction.java

sistem information for universitas

package registrasimatakuliah.action;
import dao.JadwalDAO;
import dao.MatakuliahDAO;
import dao.ObjectDAO;
import dao.RegistrasiMatakuliahDAO;
import dao.SemesterDAO;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.JadwalPlus;
import model.Mahasiswa;
import model.Matakuliah;
import model.MatakuliahPlus;
import model.RegistrasiMatakuliah;
import model.Semester;
import org.apache.struts.actions.DispatchAction;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;
public class RegistrasiAction extends DispatchAction {
    private final static String LISTMATAKULIAH="listMatakuliah";
    private final static String LISTJADWAL="listJadwal";
    private final static String REGISTRASI="registrasi";
    public ActionForward listMatakuliah(ActionMapping mapping, ActionForm  form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        Semester semester=new SemesterDAO().getSemesterSekarang();
        boolean bolehRegistrasi=true;
        String sTanggalSekarang=String.valueOf(new Date().getYear()+1900);
        sTanggalSekarang+="-"+String.valueOf(new Date().getMonth()+1);
        sTanggalSekarang+="-"+String.valueOf(new Date().getDate());
        Date tanggalSekarang=new SimpleDateFormat("yyyy-MM-dd").parse(sTanggalSekarang);
        Date tanggalAwal=new SimpleDateFormat("yyyy-MM-dd").parse(semester.getRegistrasiAwal());
        Date tanggalAkhir=new SimpleDateFormat("yyyy-MM-dd").parse(semester.getRegistrasiAkhir());
        if(tanggalSekarang.compareTo(tanggalAwal)<0) {
            bolehRegistrasi=false;
        }
        if(tanggalSekarang.compareTo(tanggalAkhir)>0) {
            bolehRegistrasi=false;
        }
        if(bolehRegistrasi) {
            int totalSKS=0;
            int maxBeban=0;
            List<MatakuliahPlus> listMatakuliahPlus=new ArrayList();
            try {
                HttpSession session=request.getSession();
                Mahasiswa mahasiswa=(Mahasiswa)session.getAttribute("currentMahasiswa");
                totalSKS=new RegistrasiMatakuliahDAO().hitungTotalSKSAmbil(new RegistrasiMatakuliahDAO().getListRegistrasiMatakuliah(mahasiswa,semester,false));
                maxBeban=new RegistrasiMatakuliahDAO().hitungMaxBeban(new RegistrasiMatakuliahDAO().hitungIPS(mahasiswa,new SemesterDAO().getSemesterSebelumnya()),new RegistrasiMatakuliahDAO().hitungIPK(mahasiswa));
                listMatakuliahPlus=new RegistrasiMatakuliahDAO().getListMatakuliahPlus(mahasiswa);
            } catch (Exception ex) {
                ex.printStackTrace();
            }
            request.setAttribute("totalSKS",totalSKS);
            request.setAttribute("maxBeban",maxBeban);
            request.setAttribute("listMatakuliahPlus",listMatakuliahPlus);
        }
        request.setAttribute("semester",semester);
        request.setAttribute("bolehRegistrasi",bolehRegistrasi);
        return mapping.findForward(LISTMATAKULIAH);
    }
    public ActionForward listJadwal(ActionMapping mapping, ActionForm  form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        Semester semester=new SemesterDAO().getSemesterSekarang();
        Matakuliah matakuliah=new MatakuliahDAO().loadMatakuliah(Long.parseLong(request.getParameter("id")));
        List<JadwalPlus> listJadwalPlus=new RegistrasiMatakuliahDAO().getListJadwalPlus(matakuliah);
        request.setAttribute("semester",semester);
        request.setAttribute("listJadwalPlus",listJadwalPlus);
        return mapping.findForward(LISTJADWAL);
    }
    public ActionForward registrasi(ActionMapping mapping, ActionForm  form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        long id=Long.parseLong(request.getParameter("id").trim());
        RegistrasiMatakuliah regmat=new RegistrasiMatakuliah();
        HttpSession session=request.getSession();
        regmat.setMahasiswa((Mahasiswa)session.getAttribute("currentMahasiswa"));
        regmat.setStatus("B");
        regmat.setJadwal(new JadwalDAO().loadJadwal(id));
        regmat.setMatakuliah(new JadwalDAO().loadJadwal(id).getMatakuliah());
        new ObjectDAO().insert(regmat);
        return mapping.findForward(REGISTRASI);
    }
}