avancé

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/book/BookInfo.java

@@ -0,0 +1,14 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.book;
+
+import java.time.LocalDate;
+
+public record BookInfo(
+    String isbn,
+    String title,
+    String author,
+    String publisher,
+    LocalDate publicationDate,
+    double price,
+    int stockInitial
+) {
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/book/entity/Book.java

@@ -0,0 +1,29 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.book.entity;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.customer.exception.IllegalCustomerPointException;
+
+import java.rmi.server.UID;
+import java.time.LocalDate;
+import java.util.UUID;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Builder
+@Getter
+
+public class Book {
+  //private UUID id;
+  private String isbn;
+  private String title;
+  private String author;
+  private String publisher;
+  private LocalDate publicationDate;
+  private double price;
+  private int stock;
+}
+/* 
+public void setRandomUUID() {
+  this.id = UUID.randomUUID();
+}
+*/

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/book/exception/BookNotFoundException.java

@@ -0,0 +1,14 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.book.exception;
+
+import java.text.MessageFormat;
+import java.util.UUID;
+
+public class BookNotFoundException {
+
+    public static final String THE_BOOK_WITH_ID_DOES_NOT_EXISTS = "The book with id {0} does not exist";
+
+    public BookNotFoundException(UUID uuid) {
+        super(); //super(MessageFormat.format(THE_BOOK_WITH_ID_DOES_NOT_EXISTS, uuid)); à corriger
+    }
+    
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/book/exception/NotValidBookException.java

@@ -0,0 +1,8 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.book.exception;
+
+public class NotValidBookException extends Exception {
+
+  public NotValidBookException(String message) {
+    super(message);
+  }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/book/repository/BookRepository.java

@@ -0,0 +1,32 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.book.repository;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.book.entity.Book;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import lombok.NoArgsConstructor;
+
+@NoArgsConstructor
+public final class BookRepository {
+  private final List<Book> books = new ArrayList<>();
+
+  public Book save(Book newBook) {
+    this.findByIsbn(newBook.getIsbn()).ifPresent(books::remove);
+    this.books.add(newBook);
+    return newBook;
+  }
+
+  public Optional<Book> findByIsbn(String isbn) {
+    return this.books.stream()
+        .filter(book -> book.getIsbn().equals(isbn))
+        .findFirst();
+  }
+
+  public List<Book> findAll() {
+    return books;
+  }
+
+  public void deleteAll() {
+    books.clear();
+  }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/book/usecase/BookUseCase.java

@@ -0,0 +1,31 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.book.usecase;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.book.BookInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.book.entity.Book;
+import fr.iut_fbleau.but3.dev62.mylibrary.book.exception.NotValidBookException;
+import fr.iut_fbleau.but3.dev62.mylibrary.book.repository.BookRepository;
+import fr.iut_fbleau.but3.dev62.mylibrary.book.validator.BookValidator;
+
+public final class BookUseCase {
+
+  private final BookRepository bookRepository;
+
+  public BookUseCase(BookRepository bookRepository) {
+    this.bookRepository = bookRepository;
+  }
+
+  public String registerNewBook(BookInfo newBook) throws NotValidBookException {
+    BookValidator.validate(newBook);
+    Book bookToSave = Book.builder()
+        .isbn(newBook.isbn())
+        .title(newBook.title())
+        .author(newBook.author())
+        .publisher(newBook.publisher())
+        .publicationDate(newBook.publicationDate())
+        .price(newBook.price())
+        .stock(newBook.stockInitial())
+        .build();
+    Book savedBook = bookRepository.save(bookToSave);
+    return savedBook.getIsbn();
+  }
+}

src/main/java/fr/iut_fbleau/but3/dev62/mylibrary/book/validator/BookValidator.java

@@ -0,0 +1,38 @@
+package fr.iut_fbleau.but3.dev62.mylibrary.book.validator;
+
+import fr.iut_fbleau.but3.dev62.mylibrary.book.BookInfo;
+import fr.iut_fbleau.but3.dev62.mylibrary.book.exception.NotValidBookException;
+
+public final class BookValidator {
+
+  private BookValidator() {
+  }
+
+  public static void validate(BookInfo bookInfo) throws NotValidBookException {
+    if (bookInfo == null) {
+      throw new NotValidBookException("Book cannot be null");
+    }
+    if (isBlank(bookInfo.isbn())) {
+      throw new NotValidBookException("ISBN is required");
+    }
+    if (isBlank(bookInfo.title())) {
+      throw new NotValidBookException("Title is required");
+    }
+    if (isBlank(bookInfo.author())) {
+      throw new NotValidBookException("Author is required");
+    }
+    if (isBlank(bookInfo.publisher())) {
+      throw new NotValidBookException("Publisher is required");
+    }
+    if (bookInfo.price() <= 0) {
+      throw new NotValidBookException("Price must be positive");
+    }
+    if (bookInfo.stockInitial() < 0) {
+      throw new NotValidBookException("Stock must be greater or equal to 0");
+    }
+  }
+
+  private static boolean isBlank(String value) {
+    return value == null || value.isBlank();
+  }
+}