public bool Validate(BookingRequest bookingRequest)
{
IsValid = true;
ValidationError = string.Empty;
if (bookingRequest.BookFromUtc < DateTime.UtcNow)
{
IsValid = false;
ValidationError = "Look..., I dont have time machine to go back and book it for you. You need to book room for future time only.";
}
else if (bookingRequest.BookToUtc.Subtract(bookingRequest.BookFromUtc).TotalMinutes < 5)
{
IsValid = false;
ValidationError = "Hey, you should book room for 5 minutes at least";
}
else if (bookingRequest.ExplicitBooking)
{
Room room = _roomRepository.Find(bookingRequest.RoomName);
if (room == null)
{
IsValid = false;
ValidationError = string.Format("Oh! I can't book it. There is no room with name <i>{0}</i>. Type <a {{aliceRequestAct}}>Show rooms</a> to show rooms.", bookingRequest.RoomName);
}
}
return(IsValid);
}
/*
* 0 Cancel my booking on 12/1 from 12 of room 1
* 1 cancel my booking
* 2 on
* 3 12/1
* 4 from
* 5 12
* 6 of
* 7 room 1
*/
private BookingRequest CreateCompleteRequest()
{
BookingRequest bookingRequest = new BookingRequest();
bookingRequest.RoomName = _parameters[7].Value;
bookingRequest.BookFromUtc = GetTimeInUtc(_parameters[3].Value, _parameters[5].Value);
bookingRequest.BookedBy = _userProfile.UserName;
return(bookingRequest);
}
/*
* 0 book am from 1 - 2
* 1 book
* 2 am
* 3 from
* 4 1
* 5 -
* 6 2
*/
private BookingRequest CreateBasicRequest()
{
BookingRequest bookingRequest = new BookingRequest();
bookingRequest.RoomName = _parameters[2].Value;
bookingRequest.BookFromUtc = GetTimeInUtc(DateTime.Now.Date, _parameters[4].Value);
bookingRequest.BookToUtc = GetTimeInUtc(DateTime.Now.Date, _parameters[6].Value);
bookingRequest.BookedBy = _userProfile.UserName;
return(bookingRequest);
}
public BookingRequest Clone()
{
BookingRequest request = new BookingRequest
{
BookedBy = BookedBy,
BookedFor = BookedFor,
BookFromUtc = BookFromUtc,
BookToUtc = BookToUtc,
RoomName = RoomName
};
return(request);
}
public Booking Book(BookingRequest bookingRequest)
{
IList <Booking> bookings = List();
BookingRequest requestToAdd = PrepareBookingRequest(bookings, bookingRequest);
Booking booking = requestToAdd.ToBooking();
bookings.Add(booking);
Save(bookings);
return(booking);
}
public BookingRequest Build()
{
BookingRequest bookingRequest = null;
switch (_parameters.Count)
{
case 8:
bookingRequest = CreateCompleteRequest();
break;
default:
break;
}
return(bookingRequest);
}
public Booking Cancel(BookingRequest request)
{
List <Booking> bookings = List();
Booking booking = bookings.Find(
o => o.RoomName.Equals(request.RoomName, StringComparison.InvariantCultureIgnoreCase) &&
o.BookedFromUtc == request.BookFromUtc &&
o.BookedBy.Equals(request.BookedBy, StringComparison.InvariantCultureIgnoreCase)
);
if (booking == null)
{
throw new Exception("Ooops! There is no such booking.");
}
bookings.Remove(booking);
Save(bookings);
return(booking);
}
private BookingRequest PrepareBookingRequest(IList <Booking> bookings, BookingRequest bookingRequest)
{
BookingRequest resultingRequest = bookingRequest.Clone();
resultingRequest.BookToUtc = resultingRequest.BookToUtc.AddMilliseconds(-1);
RoomRepository roomRepository = new RoomRepository(_roomsDataFile);
BookingRequestValidator validator = new BookingRequestValidator(roomRepository);
if (!validator.Validate(resultingRequest))
{
throw new Exception(validator.ValidationError);
}
if (resultingRequest.ExplicitBooking)
{
Booking presentBooking = GetBooking(bookings, bookingRequest.BookFromUtc, bookingRequest.BookToUtc, bookingRequest.RoomName);
if (presentBooking != null)
{
if (presentBooking.BookedBy.Equals(resultingRequest.BookedBy, StringComparison.InvariantCultureIgnoreCase))
{
throw new Exception("It was booked by you already.");
}
else
{
throw new Exception(string.Format("Oh boy! Its not availablle. <a {{aliceRequestAct}}>Show bookings</a>", presentBooking.RoomName));
}
}
}
else
{
Room room = GetAnyAvailableRoom(bookings, resultingRequest.BookFromUtc, resultingRequest.BookToUtc);
if (room == null)
{
throw new Exception("Oh boy! Hatter left no room for you.");
}
resultingRequest.RoomName = room.Name;
}
return(resultingRequest);
}
public BookingRequest Build()
{
BookingRequest bookingRequest = null;
switch (_parameters.Count)
{
case 7:
bookingRequest = CreateBasicRequest();
break;
case 9:
bookingRequest = CreateRequestWithBookie();
break;
case 11:
bookingRequest = CreateCompleteRequest();
break;
default:
break;
}
return(bookingRequest);
}
