Commit 2e4515d

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implementing deleteBookById (service, controller) and implement findBookById(UUID id) in repository

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+27

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+27

-1

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Lines changed: 2 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -27,7 +27,8 @@ public ResponseEntity<BookModel> addBook(NewBookModel body) {`
`27`	`27`
`28`	`28`	`@Override`
`29`	`29`	`public ResponseEntity<Void> deleteBook(UUID bookId) {`
`30`		`- return null;`
	`30`	`+ bookService.deleteAnExistingBookById(bookId);`
	`31`	`+ return ResponseEntity.status(204).build();`
`31`	`32`	`}`
`32`	`33`
`33`	`34`	`@Override`

Lines changed: 3 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -4,8 +4,11 @@`
`4`	`4`	`import org.springframework.data.jpa.repository.JpaRepository;`
`5`	`5`	`import org.springframework.stereotype.Repository;`
`6`	`6`
	`7`	`+import java.util.Optional;`
`7`	`8`	`import java.util.UUID;`
`8`	`9`
`9`	`10`	`@Repository`
`10`	`11`	`public interface BookRepository extends JpaRepository<Book, UUID> {`
	`12`	`+`
	`13`	`+ Optional<Book> findBookById(UUID id);`
`11`	`14`	`}`

Lines changed: 22 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,13 +1,35 @@`
`1`	`1`	`package com.csaba79coder.apifirstdevelopment.service;`
`2`	`2`
	`3`	`+import com.csaba79coder.apifirstdevelopment.entity.Book;`
`3`	`4`	`import com.csaba79coder.apifirstdevelopment.persistence.BookRepository;`
	`5`	`+import com.csaba79coder.models.BookModel;`
	`6`	`+import com.csaba79coder.models.NewBookModel;`
`4`	`7`	`import lombok.RequiredArgsConstructor;`
	`8`	`+import lombok.extern.slf4j.Slf4j;`
`5`	`9`	`import org.springframework.stereotype.Service;`
`6`	`10`
	`11`	`+import java.util.NoSuchElementException;`
	`12`	`+import java.util.UUID;`
	`13`	`+`
`7`	`14`	`@Service`
`8`	`15`	`@RequiredArgsConstructor`
	`16`	`+@Slf4j`
`9`	`17`	`public class BookService {`
`10`	`18`
`11`	`19`	`private final BookRepository bookRepository;`
`12`	`20`
	`21`	`+ public BookModel addNewBook(NewBookModel newModel) {`
	`22`	`+`
	`23`	`+ return null;`
	`24`	`+ }`
	`25`	`+`
	`26`	`+ public void deleteAnExistingBookById(UUID id) {`
	`27`	`+ Book book = bookRepository.findBookById(id)`
	`28`	`+ .orElseThrow(() -> {`
	`29`	`+ String message = String.format("Book with id: %s was not found", id);`
	`30`	`+ log.info(message);`
	`31`	`+ return new NoSuchElementException(message);`
	`32`	`+ });`
	`33`	`+ bookRepository.delete(book);`
	`34`	`+ }`
`13`	`35`	`}`

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