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/// ksiazka class Book{ title; author; numberOfPages; currentPage = 0; bookMark; is_borrowed = false; // true or false id; borrowed_by; //Person constructor(title, author, numberOfPages, id){ this.title =title; this.author = author; this.numberOfPages = numberOfPages; this.id = id; } nextPage(){ if (this.currentPage === this.numberOfPages){ console.log("Skonczyles ksiazke!") }else{ this.currentPage++; } } prevPage(){ if(this.currentPage >0){ this.currentPage--; }else{ console.log("nie ma takiej strony") } } goToPage(pageNumber){ if (pageNumber <= this.numberOfPages && pageNumber >= 0){ this.currentPage = pageNumber }else{ console.log("nie ma takiej strony") } } addBookMark(pageNumber){ if(pageNumber <= this.numberOfPages && pageNumber >= 0){ this.bookMark = pageNumber }else{ console.log("nie ma takiej strony") } } } // ksiegarnia class Bookstore{ name; list_of_books = []; constructor(name){ this.name = name } addBook(book){ this.list_of_books.push(book) } printBookList(){ console.log(this.list_of_books) } borrowBook(id, client){ book = this.list_of_books.find(book => book.id === id); book.is_borrowed = true; book.borrowed_by = client; } printBorrowedBooks(){ console.log(this.list_of_books.filter(book => book.is_borrowed)) } } class Person{ name; lastName; constructor(name, lastName){ this.name = name; this.lastName = lastName; } } client = new Person("Albin", "hyt") ksiegarnia = new Bookstore("Albinoteka") ///// book = new Book('Harry Potter', "Rowling", 500, 1) book2 = new Book('50 twarzy greya', "Świstak", 255, 2) book3 = new Book('Biblia', "Jezus", 1000, 3) book4 = new Book('Czarny Łabędź', "Taleb", 755, 4) ksiegarnia.addBook(book) ksiegarnia.addBook(book2) ksiegarnia.addBook(book3) ksiegarnia.addBook(book4) x=ksiegarnia.borrowBook(3, client) ksiegarnia.printBorrowedBooks()
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