/// <summary>
/// Checks does we have input book in local collection.
/// </summary>
/// <param name="book"></param>
/// <returns></returns>
private bool HaveBookInCol(Book book)
{
if (book == null)
{
logger.Error("User try to check Book which is null.");
throw new ArgumentNullException("Try to check book, which is null.");
}
return(this.isbnBook.ContainsKey(book.ISBNGet()));
}
public void AddBook(Book newBook)
{
logger.Trace($"Start adding Book.");
if (newBook == null)
{
logger.Error("User try to add Book which is null");
throw new ArgumentNullException("newBook is null!");
}
if (this.HaveBookInCol(newBook))
{
logger.Error($"User doesnt have a Book {newBook.ISBNGet()} in isbnBook.");
throw new ArgumentException("Have this book in the collection.");
}
logger.Trace($"Add Book {newBook.ISBNGet()} in isbnBook, collection, booksToAdd.");
this.booksToAdd.Add(newBook);
this.collection.Add(newBook);
this.isbnBook[newBook.ISBNGet()] = newBook;
}
/// <summary>
/// Used by RemoveBook.
/// Removes from local collection, from booksToAdd and from isbnBook.
/// </summary>
/// <param name="book"></param>
private void RemoveFromCollections(Book book)
{
if (book == null)
{
logger.Error("User try to delete Book which is null.");
throw new ArgumentNullException();
}
try
{
logger.Trace($"Remove Book {book.ISBNGet()} from collection, booksToAdd, isbnBook.");
collection.Remove(book);
booksToAdd.Remove(book);
isbnBook.Remove(book.ISBNGet());
}
catch (Exception e)
{
logger.Error($"Error while removing Book {book.ISBNGet()}.\nError message: \n{e.ToString()}.");
}
}
/// <summary>
/// Removes from local and adds in booksToRemove.
/// </summary>
/// <param name="removeBook"></param>
public void RemoveBook(Book removeBook)
{
logger.Trace($"Remove Book from collection.");
if (!this.HaveBookInCol(removeBook))
{
logger.Error($"User doesnt have a Book {removeBook.ISBNGet()} in isbnBook.");
throw new ArgumentException("Dont have this book in the collection.");
}
this.RemoveFromCollections(removeBook);
this.booksToRemove.Add(removeBook);
}
public static void Main(string[] args)
{
Console.WriteLine("*****Test Book's Service*****");
Console.WriteLine("1 - Create books!");
Book.Book first = new Book.Book()
{
Author = "Rob Miles",
Name = "C# Programming Yellow Book",
Cost = int.MaxValue,
NumberOfPages = 216,
Publisher = "Hell University",
Year = 2016,
};
Console.WriteLine("Create 1!");
Book.Book second = new Book.Book()
{
Author = "Andrew Stellman, Jennifer Greene",
Name = "Head First C#",
Cost = 39M,
NumberOfPages = 960,
Publisher = "O'Reilly Media",
Year = 2013,
};
second.ISBNSet("9780596514822");
Console.WriteLine("Create 2!");
Book.Book thirdDel = new Book.Book()
{
Author = "Joe Albahari",
Name = "C# 7.0 in a Nutshell",
Cost = 66.23M,
NumberOfPages = 800,
Publisher = "Альфа-книга",
Year = 2015,
};
thirdDel.ISBNSet("9785990944619");
Console.WriteLine("Create 3!");
Book.Book fourthAdd = new Book.Book()
{
Author = "Jon Skeet",
Name = "C# in Depth",
Cost = 28.5M,
NumberOfPages = 528,
Publisher = "Manning Publications",
Year = 2019,
};
fourthAdd.ISBNSet("978 - 1617294532");
Console.WriteLine("Create 4!");
Book.Book fifth = new Book.Book()
{
Author = "Jeffrey Richter",
Name = "CLR via C#",
Cost = 32.52M,
NumberOfPages = 896,
Publisher = "Microsoft Press",
Year = 2012,
};
fifth.ISBNSet("978 - 0735667457");
Console.WriteLine("Create 5!");
Console.WriteLine("End of creation!\nLets create BookListService!");
Book.Book[] massiv = new Book.Book[] { first, second, thirdDel, fifth };
BookListService service = new BookListService(massiv, new BinaryStorage());
Console.WriteLine("Let's throw books in the local storage");
service.UpdateStorage();
Console.WriteLine("Let's add book in service!");
service.AddBook(fourthAdd);
Console.WriteLine("Let's update the local storage!");
service.UpdateStorage();
Console.WriteLine("Find right: " +
(service.FindBookByTag("Author", "Joe Albahari")[0].ISBNGet() == thirdDel.ISBNGet()));
Console.WriteLine("Let's sort our storage!");
Console.WriteLine("Let's delete book from service!");
service.RemoveBook(thirdDel);
Console.WriteLine("Let's sort books by everything!");
service.SortBooksByTag(new BookYearComparer <Book.Book>());
Console.WriteLine("By Year:");
service.ShowLocal();
service.SortBooksByTag(new BookCostComparer <Book.Book>());
Console.WriteLine("By cost:");
service.ShowLocal();
Console.WriteLine("In storage:");
service.ShowStorage();
Console.WriteLine("End of demonstration book service!\n");
Watches.Watch watch = new Watches.Watch();
watch.StartRelaxation();
}
