/*
* Deletes the guest at given index in list of guests for the
* current booking.
* Undecorates that guest if if it is also a
* customer and updates CurrentCustomer with the correct
* memory reference.
*/
public void DeleteGuest(int index)
{
// First unwrap guest decorator from current customer if they are
// the guest being deleted:
if (CurrentBook.GetGuests().ElementAt(index).IsCustomer())
{
List <PersonComponent> savedGuests = CurrentBook.GetGuests();
DateTime arrival;
DateTime departure;
CurrentBook.GetDates(out arrival, out departure);
CurrentCust = CurrentCust.UndecorateOnce();
CurrentBook = bFact.UpdateBooking(CurrentBook.GetBookingNb(),
CurrentCust,
arrival,
departure);
foreach (PersonComponent g in savedGuests)
{
CurrentBook.GetGuests().Add(g);
}
}
// Then delete selected guest reference from guests list:
CurrentBook.GetGuests().RemoveAt(index);
}
// METHODS:
/*
* Constructor.
*
* throws ArgumentException if bookingNb is not strictly greater
* than 0, if departure day is not strictly later than arrival
* day, or if customer is not decorated as a customer.
*/
public Booking(int bookingNb,
PersonComponent customer,
DateTime arrival,
DateTime departure)
{
if (customer.GetCustNb() <= 0)
{
throw new ArgumentException("Booking.cust must be"
+ " decorated as a Customer");
}
if (bookingNb <= 0)
{
throw new ArgumentException("Booking.bookingNb must be"
+ " strictly greater than 0");
}
if (departure.DayOfYear <= arrival.DayOfYear &&
departure.Year <= arrival.Year)
{
throw new ArgumentException("departure day must be strictly"
+ " later than arrival day");
}
this.bookingNb = bookingNb;
this.cust = customer;
this.arrival = arrival;
this.departure = departure;
}
/*
* Returns a reference to the updated PersonComponent instance.
*/
public PersonComponent UpdateCustomer(PersonComponent customer,
String newName,
String newAddress)
{
// create a fresh customer with the new values but same customerNb
PersonComponent p = new Person(newName);
PersonDecorator c = new Customer(newAddress, customer.GetCustNb());
c.SetComponent(p);
// get all decorators of customer being updated
List <PersonDecorator> decorators;
customer.Unwrap(out decorators);
// decorate the new customer with those decorators except those
// of type 'Customer'
foreach (PersonDecorator decorator in decorators)
{
if (decorator.GetType() != typeof(Customer))
{
decorator.SetComponent(c);
c = decorator;
}
}
return(c);
}
/*
* Generates a new booking instance on the basis of the data
* passed as parameters.
*/
public BookingComponent GetNewBooking(PersonComponent customer,
DateTime arrival,
DateTime departure)
{
return(new Booking(
this.nxtBookingNb++, customer, arrival, departure));
}
// METHODS:
/*
* Adds a guest to the decorated booking.
*/
public override void AddGuest(PersonComponent guest)
{
if (decoratedComponent != null)
{
decoratedComponent.AddGuest(guest);
}
}
/*
* Generates a new booking instance on the basis of the data
* passed as parameters.
*/
private BookingComponent getNewBooking(int bookingNb,
PersonComponent customer,
DateTime arrival,
DateTime departure)
{
return(new Booking(bookingNb, customer, arrival, departure));
}
/*
* Returns a reference to the updated booking instance.
*/
public BookingComponent UpdateBooking(int bookingNb,
PersonComponent newCustomer,
DateTime newArrival,
DateTime newDeparture)
{
return(new Booking(
bookingNb, newCustomer, newArrival, newDeparture));
}
/*
* Adds a guest to the booking.
*
* Throws ArgumentException if there is already 4 guests added to
* the booking.
*/
public override void AddGuest(PersonComponent guest)
{
if (guests.Count >= 4)
{
throw new ArgumentException("this booking already has"
+ " 4 guests");
}
this.guests.Add(guest);
}
/*
* Updates given customer's details with new values for all bookings
* of his.
*/
public void UpdateCurrentCustomer(String newName, String newAddress)
{
BookingComponent processedBooking;
List <PersonComponent> savedGuests;
List <BookingDecorator> decorationStack;
List <Dictionary <String, String> > bookingData;
DateTime arrival;
DateTime departure;
// update values within all persisted bookings made by current
// customer
foreach (int bookingNb
in dpFacade.GetAllBookingNbs(CurrentCust.GetCustNb()))
{
dpFacade.Read(bookingNb, out bookingData);
processedBooking = bFact.Restore(bookingData)
.Unwrap(out decorationStack);
savedGuests = processedBooking.GetGuests();
processedBooking.GetDates(out arrival, out departure);
processedBooking = bFact.UpdateBooking(
processedBooking.GetBookingNb(),
pFact.UpdateCustomer(
processedBooking.GetCustomer(),
newName,
newAddress),
arrival,
departure);
if (decorationStack != null)
{
foreach (BookingDecorator reference in decorationStack)
{
reference.Setcomponent(processedBooking);
processedBooking = reference;
}
}
foreach (PersonComponent g in savedGuests)
{
processedBooking.AddGuest(g);
}
CurrentCust = processedBooking.GetCustomer();
dpFacade.Persist(processedBooking);
}
// reload current booking into the system to upload changes
if (IsABookingLoaded())
{
RestoreBooking(CurrentBook.GetBookingNb());
}
}
/*
* Generates a new guest instance on the basis of the data
* passed as parameters.
*/
public PersonComponent GetNewGuest(
PersonComponent customer,
String passportNb,
int age)
{
Guest g = new Guest(passportNb, age);
g.SetComponent(customer);
return(g);
}
/*
* Returns the decorated BookingComponent's customer
* (or null if the root component is not a concrete Booking).
*/
public override PersonComponent GetCustomer()
{
PersonComponent customer = null;
if (decoratedComponent != null)
{
customer = decoratedComponent.GetCustomer();
}
return(customer);
}
public void TestBookingConstructor_DatesException()
{
// arrange
PersonComponent c = PersonFactory.Instance
.GetNewCustomer("name", "address");
// act
BookingComponent b = new Booking(3,
c,
new DateTime(2016, 04, 18),
new DateTime(2016, 02, 15));
}
public void TestBookingConstructor_BookingNbException()
{
// arrange
PersonComponent c = PersonFactory.Instance
.GetNewCustomer("name", "address");
// act
BookingComponent b = new Booking(-10,
c,
new DateTime(1998, 02, 18),
new DateTime(1998, 03, 2));
}
/*
* Returns the root PersonComponent of the decoration stack;
* references outputs a list of pointers to all the PersonDecorator
* instances in the decoration stack.
*/
public override PersonComponent Unwrap(
out List <PersonDecorator> references)
{
PersonComponent component = this;
List <PersonDecorator> decorators = new List <PersonDecorator>();
while (component.isDecorator())
{
decorators.Add((PersonDecorator)component);
component = ((PersonDecorator)component).decoratedComponent;
}
references = decorators;
return(component);
}
/*
* Loads the customer matching given customer number into the system
* (from persisted data).
* Returns true if the customer was found & loaded successfully,
* otherwise false.
*/
public bool RestoreCustomer(int customerNb)
{
bool wasRestored = true;
Dictionary <String, String> customerData;
if (!dpFacade.Read(customerNb, out customerData))
{
wasRestored = false;
}
else
{
CurrentCust = pFact.RestoreCustomer(customerData);
}
return(wasRestored);
}
/*
* Loads the booking matching given booking number into the system
* (from persisted data).
* Returns true if the booking was found & loaded successfully,
* otherwise false.
*/
public bool RestoreBooking(int bookingNb)
{
bool wasRestored = true;
List <Dictionary <String, String> > bookingData;
if (!dpFacade.Read(bookingNb, out bookingData))
{
wasRestored = false;
}
else
{
CurrentBook = bFact.Restore(bookingData);
CurrentCust = CurrentBook.GetCustomer();
}
return(wasRestored);
}
public void TestBookingConstrutor_NormalCase()
{
// arrange
PersonComponent c = PersonFactory.Instance
.GetNewCustomer("name", "address");
BookingComponent b1 = new Booking(1,
c,
new DateTime(2016, 12, 09),
new DateTime(2016, 12, 13));
BookingComponent b2 = new Booking(1,
c,
new DateTime(2016, 12, 09),
new DateTime(2016, 12, 13));
// assert
Assert.IsTrue(b1.Equals(b2), "Booking.Equals method problem");
}
public void TestBookingAddGuest_NormalCase()
{
// arrange
PersonComponent expected = PersonFactory.Instance
.GetNewGuest("myself",
"08855N8",
31);
BookingComponent b1 = new Booking(
1,
PersonFactory.Instance
.GetNewCustomer("name",
"address"),
new DateTime(1024, 12, 09),
new DateTime(2016, 9, 3));
// act
b1.AddGuest(expected);
// assert
Assert.IsTrue(b1.GetGuests().Contains(expected),
"Problem with Booking.AddGuest");
}
/*
* Adds current customer to current booking's list of guests.
*/
public void AddCustomerToGuests(String passportNb, int age)
{
List <PersonComponent> savedGuests = CurrentBook.GetGuests();
DateTime arrival;
DateTime departure;
CurrentBook.GetDates(out arrival, out departure);
CurrentCust = pFact.GetNewGuest(CurrentCust,
passportNb,
age);
CurrentBook = bFact.UpdateBooking(CurrentBook.GetBookingNb(),
CurrentCust,
arrival,
departure);
foreach (PersonComponent g in savedGuests)
{
CurrentBook.GetGuests().Add(g);
}
CurrentBook.AddGuest(CurrentCust);
}
/*
* Returns a reference to a new PersonComponent identical in content
* to calling instance, except unwraped from the PersonDecorator
* passed as a parameter (or the to the Booking itself if it is not
* decorated at all).
*/
public override PersonComponent Undecorate(PersonDecorator reference)
{
if (this == reference)
{
return(decoratedComponent);
}
/* Short circuit method if the decorator to remove is the
* last one added.
*/
List <PersonDecorator> references;
PersonComponent result = this.Unwrap(out references);
foreach (PersonDecorator decorator in references)
{
if (decorator != reference)
{
decorator.decoratedComponent = result;
result = decorator;
}
}
return(result);
}
public void SetComponent(PersonComponent p)
{
decoratedComponent = p;
}
/*
* Closes the BookingComponent instance currently loaded in the
* system.
*/
public void CurrentBookingClose()
{
CurrentBook = null;
CurrentCust = null;
}
/*
* Instanciates a new customer.
*/
public void CreateCustomer(String name, String address)
{
CurrentCust = pFact.GetNewCustomer(name, address);
}
/* * Must add a guest to a given BookingComponent. */ public abstract void AddGuest(PersonComponent guest);
/*
* Returns a list of all the booking numbers persisted on disc made
* by a given customer.
*/
public List <int> GetAllBookingNbs(PersonComponent customer)
{
return(dpFacade.GetAllBookingNbs(customer.GetCustNb()));
}
