xp-dev.com Git - RRRRHHHH_Code/blob - ruralHouses/src/businessLogic/BookingManager.java

   1 package businessLogic;
   2
   3 import java.util.Date;
   4 import java.util.Vector;
   5
   6 import javax.mail.MessagingException;
   7
   8 import com.db4o.ObjectContainer;
   9 import com.db4o.ObjectSet;
  10
  11 import dataAccess.DB4oManager;
  12 import domain.Booking;
  13 import domain.Client;
  14 import domain.RuralHouse;
  15 import exceptions.OfferCanNotBeBooked;
  16
  17 public final class BookingManager {
  18
  19         private int bookingNumber = 0;
  20         dataAccess.DB4oManager dbMngr;
  21
  22         private static BookingManager theBookingManager;
  23
  24         public BookingManager() {
  25                 try {
  26                         this.dbMngr = DB4oManager.getInstance();
  27                 } catch (Exception e) {
  28                         e.printStackTrace();
  29                 }
  30         }
  31
  32         /**
  33          * This method returns the next Booking number
  34          *
  35          * @return the book number
  36          */
  37         public static int getNumber() {
  38                 ObjectContainer db = DB4oManager.getContainer();
  39                 BookingManager b = getInstance();
  40                 b.bookingNumber++;
  41                 db.store(b);
  42                 db.commit();
  43                 return b.bookingNumber;
  44         }
  45
  46         /**
  47          * This method returns the instance of the BookingManager class
  48          *
  49          * @return the booking manager
  50          */
  51         public static BookingManager getInstance() {
  52                 ObjectContainer db = DB4oManager.getContainer();
  53                 BookingManager b = new BookingManager();
  54                 ObjectSet<BookingManager> result = db.queryByExample(b);
  55                 if (!result.hasNext()) {
  56                         theBookingManager = new BookingManager();
  57                         db.store(theBookingManager);
  58                         db.commit();
  59                 } else
  60                         theBookingManager = (BookingManager) result.next();
  61                 return theBookingManager;
  62         }
  63
  64         public void removeDenyBooking(Booking b){
  65                                 b.getOffer().getBookings().remove(b);
  66                                 this.dbMngr.removeBooking(b);
  67         }
  68
  69
  70         public void acceptBooking(Booking b){
  71                 b.getOffer().setBooked(true);
  72                 for(Booking boo : b.getOffer().getBookings()){
  73                         if(!boo.equals(b))
  74                                 b.getOffer().getBookings().remove(b);
  75                 }
  76                 this.dbMngr.acceptBooking(b.getOffer());
  77                 try {
  78                         MailManager.getInstance().Send(b.getClient().getMailAccount(), "Your booking has been accepted","Here should be the bill");
  79                 } catch (MessagingException e) {
  80                         // TODO Auto-generated catch block
  81                         e.printStackTrace();
  82                 }
  83
  84         }
  85         /**
  86          * This method creates a book with a corresponding parameters
  87          *
  88          * @param First
  89          *            day, last day, house number and telephone
  90          * @return a book
  91          */
  92         public Vector<Booking> createBooking(RuralHouse ruralHouse, Date firstDate,
  93                         Date lastDate, Client client)
  94                         throws OfferCanNotBeBooked {
  95
  96                 return dbMngr.createBooking(ruralHouse, firstDate, lastDate,
  97                                 client);
  98         }
  99
 100 }