Package com.ntu.fdae.group1.bto.services.booking

Class ReceiptService

java.lang.Object

com.ntu.fdae.group1.bto.services.booking.ReceiptService

All Implemented Interfaces:

IReceiptService

public class ReceiptService
extends Object
implements IReceiptService

Service for generating booking receipts in the BTO Management System.

This service is responsible for assembling booking receipt information by: - Retrieving applicant details from the user repository - Retrieving project details from the project repository - Combining booking, applicant, and project information into a receipt

The service follows the Service Layer pattern, encapsulating business logic related to receipt generation and providing a clean API for controllers.

Constructor Summary

Constructors

Constructor	Description
ReceiptService(IUserRepository userRepo, IProjectRepository projRepo)	Constructs a ReceiptService with required repositories.

Method Summary

Modifier and Type	Method	Description
BookingReceiptInfo	generateBookingReceipt(Booking booking)	Gathers necessary information (Applicant, Project) related to the given Booking and constructs a BookingReceiptInfo DTO.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ReceiptService

public ReceiptService(IUserRepository userRepo,
 IProjectRepository projRepo)

Constructs a ReceiptService with required repositories.

Parameters:

userRepo - Repository for accessing user data

projRepo - Repository for accessing project data

Throws:

NullPointerException - if either repository is null

Method Details

generateBookingReceipt

public BookingReceiptInfo generateBookingReceipt(Booking booking)
                                          throws DataAccessException

Gathers necessary information (Applicant, Project) related to the given Booking and constructs a BookingReceiptInfo DTO.

Specified by:

generateBookingReceipt in interface IReceiptService

Parameters:

booking - The core Booking object containing IDs for related entities.

Returns:

A populated BookingReceiptInfo DTO.

Throws:

DataAccessException - If required User or Project data associated with the Booking cannot be found.

NullPointerException - If the input booking is null.

IllegalArgumentException - If the booking object is missing required IDs.