Package com.example.restapi.service

Class BorrowingService

java.lang.Object

com.example.restapi.service.BorrowingService

@Service
public class BorrowingService
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private BookRepository	bookRepository
private BorrowingRepository	borrowingRepository
private UserRepository	userRepository

Constructor Summary

Constructors

Constructor	Description
BorrowingService()

Method Summary

Modifier and Type	Method	Description
boolean	borrowBook(Long bookId, User user)
void	deleteByBookUserId(Long bookId, Long userId)
List<Borrowing>	getAllBorrowings()
List<Map<String,Object>>	getBorrowedBooksByUser(String username)
Optional<Borrowing>	getBorrowingDetails(Long bookId, Long userId)
List<Borrowing>	getBorrowingsDetails(Long bookId, Long userId)
boolean	returnBook(Long bookId)

Methods inherited from class java.lang.Object

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

Field Details

bookRepository

@Autowired
private BookRepository bookRepository

userRepository

@Autowired
private UserRepository userRepository

borrowingRepository

@Autowired
private BorrowingRepository borrowingRepository

Constructor Details

BorrowingService

public BorrowingService()

Method Details

getAllBorrowings

public List<Borrowing> getAllBorrowings()

borrowBook

public boolean borrowBook(Long bookId,
 User user)

returnBook

public boolean returnBook(Long bookId)

getBorrowedBooksByUser

public List<Map<String,Object>> getBorrowedBooksByUser(String username)

getBorrowingDetails

public Optional<Borrowing> getBorrowingDetails(Long bookId,
 Long userId)

getBorrowingsDetails

public List<Borrowing> getBorrowingsDetails(Long bookId,
 Long userId)

deleteByBookUserId

@Transactional
public void deleteByBookUserId(Long bookId,
 Long userId)