it.volaconnoi.bean.ReservationManagerBean.java Source code

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Here is the source code for it.volaconnoi.bean.ReservationManagerBean.java

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package it.volaconnoi.bean;

import it.volaconnoi.entity.Reservation;
import it.volaconnoi.entity.Route;
import it.volaconnoi.entity.UserCredential;
import it.volaconnoi.logic.ReservationManagerBeanInterface;
import java.util.Date;
import java.util.List;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.TypedQuery;
import org.apache.commons.lang3.RandomStringUtils;
import org.apache.commons.lang3.RandomUtils;

/**
 *
 * @author Mazzy
 */
@Stateless
public class ReservationManagerBean implements ReservationManagerBeanInterface {
    @PersistenceContext
    private EntityManager em;

    @Override
    public Reservation addReservation(Route r, UserCredential u, int passengers, int luggages, float price) {
        Reservation reserv = new Reservation();

        reserv.setPassengers(passengers);
        reserv.setLuggages(luggages);
        reserv.setPrice(price);
        reserv.setCancelled(false);
        reserv.setDate_reservation(new Date());

        reserv.setUsername(u);
        reserv.setRoute(r);

        u.getReservationsList().add(reserv);

        return reserv;
    }

    @Override
    public String generateIDReservation() {
        String id_reservation = RandomStringUtils.randomAlphabetic(3).toUpperCase() + RandomUtils.nextInt(10, 99)
                + RandomStringUtils.randomAlphabetic(2).toUpperCase();

        return (id_reservation);
    }

    @Override
    public List<Reservation> getValidReservation(String id_reservation) {
        TypedQuery<Reservation> query = em.createNamedQuery("Reservation.findValidReservation", Reservation.class);

        return query.setParameter("id_reservation", id_reservation).setParameter("status", false).setMaxResults(1)
                .getResultList();
    }
}