public void RemoveBook(Book book)
{
IEnumerable <Book> books = repository.LoadBooks();
List <Book> newListBooks = new List <Book>();
bool flag = false;
foreach (Book existBook in books)
{
if (book.Equals(existBook))
{
flag = true;
}
else
{
newListBooks.Add(existBook);
}
}
if (flag)
{
repository.SaveBooks(newListBooks);
}
else
{
logger.Error("Book do not exist in the repository " + DateTime.Now);
throw new ArgumentException("Book do not exist in the repository");
}
}
/// <summary>
/// Check if the book contains in the books.
/// </summary>
/// <param name="book">The book given.</param>
/// <returns>True if contains.</returns>
private bool IsContains(Book book)
{
if (book == null)
{
return(false);
}
foreach (Book i in this.books)
{
if (book.Equals(i))
{
return(true);
}
}
return(false);
}
public void AddBook(Book book)
{
IEnumerable <Book> books = repository.LoadBooks();
List <Book> newListBooks = new List <Book>();
foreach (Book existBook in books)
{
newListBooks.Add(existBook);
if (book.Equals(existBook))
{
logger.Error("This book already exist in the repository " + DateTime.Now);
throw new ArgumentException("This book already exist in the repository");
}
}
newListBooks.Add(book);
repository.SaveBooks(newListBooks);
}
/** Test BookList. */
public static void Main()
{
BookList books = new BookList();
books.Addbook(new Book("C# Yellow Book", "Rob Miles", 2011));
books.Addbook(new Book("C# Software Solutions", "John Lewis", 2007)); // MANUAL list "books" has 2 books in it for further tests below
Console.WriteLine("The MANUAL list is:");
books.PrintList(); // MANUAL list: use PrintList() function as a test
Console.WriteLine("Manual titles by authors are:");
books.PrintTitlesByAuthor(books.GetListAuthors()); // MANUAL list: print titles in booklist as a test
Console.WriteLine("Manual books by year 2011 are:");
books.PrintBooksInYears(2011, 2011); // MANUAL lIST: print books in year 2011 as a test
BookList tab = new BookList();
tab.Addbook(new Book(FileUtil.GetDataReader("books.txt"))); // SEMI-AUTO list: added multiple books to booklist in 1 line via new Book constructor w/reader
new BookList(FileUtil.GetDataReader("books.txt")); // FULL-AUTO list: created new booklist with 1 line via mod BookList contructor w/reader
Book book1 = new Book("C# Yellow Book", "Rob Miles", 2011);
Book book2 = new Book("C# Yellow Book", "Rob Miles", 2011);
bool test = book2.Equals(book1); // test for same book versus book: returns true since books are same
Console.WriteLine("\nThe logical test for the same book (both Miles books) is: {0}\n{1}\n{2}\n", test, book1, book2);
bool test2 = books.Contains(book1); // test for same book in booklist: returns true since book already in booklist books
Console.WriteLine("\nThe logical test for the same book (Miles) in booklist (books) is: {0}\n{1}\n{2}\n", test2, book1, books);
BookList bookie = new BookList();
bookie.Addbook(book1);
bool test3 = books.AddAll(bookie); // test for same (items in) booklist versus booklist: return false for duped books
Console.WriteLine("\nThe logical test for the same booklist is: {0}\n{1}\n{2}\n", test3, books, bookie);
bool test4 = books.AddAllRevised(bookie); // revised test for same (items in) booklist versus booklist: add missing books & return true
Console.WriteLine("\nThe logical test for the same booklist is: {0}\n{1}\n{2}\n", test4, books, bookie);
}
