public void RemoveBookTests(int removeYear)
{
var removeItem = new Book(removeYear, removeYear.ToString());
var collection = new Book[]
{
new Book(4, "4"),
new Book(2, "2"),
new Book(1, "1"),
new Book(3, "3"),
new Book(6, "6"),
new Book(7, "7"),
new Book(5, "5")
};
var comparer = new BookComparer();
var tree = new BinarySearchTree<Book>(collection, comparer.Compare);
Assert.IsTrue(tree.Constains(removeItem));
var result = tree.Remove(removeItem);
Assert.IsTrue(result);
Assert.IsFalse(tree.Constains(removeItem));
foreach (var item in collection)
{
if (comparer.Compare(item, removeItem) != 0)
{
Assert.IsTrue(tree.Constains(item));
}
}
}
public void BinarySearchTree_Book_Comparer_TraverseTest()
{
var book1 = new Book("a", "author", "001", "pub", 2000, 50, 15);
var book2 = new Book("aa", "author", "002", "pub", 2000, 50, 15);
var book3 = new Book("aaa", "author", "003", "pub", 2000, 50, 15);
var book4 = new Book("aaaa", "author", "004", "pub", 2000, 50, 15);
var book5 = new Book("aaaaa", "author", "005", "pub", 2000, 50, 15);
var book6 = new Book("aaaaaa", "author", "006", "pub", 2000, 50, 15);
Book[] items = { book2, book3, book1, book4, book5, book6 };
var comparer = new BookComparer();
var testTree = new BinarySearchTree <Book>(items, comparer);
var inOrderTree = new Book[testTree.Count];
int i = 0;
foreach (var item in testTree.InOrder())
{
inOrderTree[i] = item;
i++;
}
var preOrderTree = new Book[testTree.Count];
i = 0;
foreach (var item in testTree.PreOrder())
{
preOrderTree[i] = item;
i++;
}
var postOrderTree = new Book[testTree.Count];
i = 0;
foreach (var item in testTree.PostOrder())
{
postOrderTree[i] = item;
i++;
}
CollectionAssert.AreEqual(new Book[] { book1, book2, book3, book4, book5, book6 }, inOrderTree);
CollectionAssert.AreEqual(new Book[] { book2, book1, book3, book4, book5, book6 }, preOrderTree);
CollectionAssert.AreEqual(new Book[] { book1, book6, book5, book4, book3, book2 }, postOrderTree);
}
private async void sortingTypeComboBox_SelectedIndexChanged(object sender, EventArgs e)
{
BookComparer bookComparer = new BookComparer();
List <Book> books = await Book.GetAll();
string selectedSortingType = sortingTypeComboBox.GetItemText(sortingTypeComboBox.SelectedItem);
if (selectedSortingType == "Author desc")
{
bookComparer.sortBy = BookComparer.CompareType.authorDesc;
}
else if (selectedSortingType == "Title asc")
{
bookComparer.sortBy = BookComparer.CompareType.titleAsc;
}
else if (selectedSortingType == "Title desc")
{
bookComparer.sortBy = BookComparer.CompareType.titleDesc;
}
else if (selectedSortingType == "Date asc")
{
bookComparer.sortBy = BookComparer.CompareType.dateAsc;
}
else if (selectedSortingType == "Date desc")
{
bookComparer.sortBy = BookComparer.CompareType.dateDesc;
}
else
{
bookComparer.sortBy = BookComparer.CompareType.authorAsc;
}
books.Sort(bookComparer);
BookListView.Items.Clear();
PopulateTable();
}
static void Main(string[] args)
{
bool isRunning = true;
List <Book> books = new List <Book>
{
new Book {
Id = 0, ISBN = "1-61-729453-5", Author = "Jon Skeet", Name = "C# in Depth", NumberOfPages = 528, Price = 43m, Publisher = "Manning Publications", Year = 2019
},
new Book {
Id = 1, ISBN = "9-78-149198-6", Author = "Joseph Albahari", Name = "C# 7.0 in a Nutshell", NumberOfPages = 1088, Price = 65m, Publisher = "O'Reilly Media", Year = 2017
},
new Book {
Id = 2, ISBN = "1-48-423017-5", Author = "Andrew Troelsen, Phil Japikse", Name = "Pro C# 7: With .NET and .NET Core", NumberOfPages = 1372, Price = 32.82m, Publisher = "Apress", Year = 2017
},
new Book {
Id = 3, ISBN = "0-73-566745-4", Author = "Jeffrey Richter", Name = "CLR via C#", NumberOfPages = 896, Price = 49.17m, Publisher = "Microsoft Press", Year = 2012
},
new Book {
Id = 4, ISBN = "9-78-026203-8", Author = "Thomas Cormen, Ronals Rivest", Name = "Introduction to Algorithms", NumberOfPages = 1320, Price = 87.67m, Publisher = "The MIT Press", Year = 2009
},
new Book {
Id = 5, ISBN = "9-78-032157-1", Author = "Mario Hewardt", Name = "Advanced .NET Debugging", NumberOfPages = 552, Price = 44.95m, Publisher = "Addison-Wesley Professional", Year = 2008
}
};
IStorage <Book> storage = new BinaryStorage(books);
IRepository <Book> repository = new BookRepository(storage);
BookService bookService = new BookService(repository);
while (isRunning)
{
Console.WriteLine("!!!BooksApp!!!");
Console.WriteLine("1- Get all books");
Console.WriteLine("2- Get book by ID");
Console.WriteLine("3- Add book");
Console.WriteLine("4- Remove book");
Console.WriteLine("5- Edit book");
Console.WriteLine("6- Sort books");
Console.WriteLine("7- Find book by tag");
//Console.WriteLine("8- To XML file");
//Console.WriteLine("9- To JSON file");
Console.WriteLine("0- Exit");
Console.WriteLine("Select operation:");
bool res = int.TryParse(Console.ReadLine(), out int operation);
if (res)
{
switch (operation)
{
case 0: isRunning = false; break;
case 1: bookService.GetAll().ToList().ForEach(b => Console.WriteLine(b.ToString())); break;
case 2:
{
Console.WriteLine("Enter ID:");
try
{
int id = int.Parse(Console.ReadLine());
Console.WriteLine(bookService.Get(id).ToString("G"));
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
}
case 3:
{
Console.WriteLine();
Console.WriteLine("Enter ISBN:");
string isbn = Console.ReadLine();
Console.WriteLine("Enter Author:");
string author = Console.ReadLine();
Console.WriteLine("Enter Name:");
string name = Console.ReadLine();
Console.WriteLine("Enter Publisher:");
string publisher = Console.ReadLine();
Console.WriteLine("Enter Year:");
int year = int.Parse(Console.ReadLine());
Console.WriteLine("Enter Pages:");
int pages = int.Parse(Console.ReadLine());
Console.WriteLine("Enter Price:");
decimal price = decimal.Parse(Console.ReadLine());
bookService.Create(new Book
{
ISBN = isbn,
Author = author,
Name = name,
Publisher = publisher,
Year = year,
NumberOfPages = pages,
Price = price
});
break;
}
case 4:
{
Console.WriteLine("Enter ID to remove book:");
try
{
int id = int.Parse(Console.ReadLine());
bookService.Delete(id);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
}
case 5:
{
Console.WriteLine("Enter book's tag(name of the author, isbn, book name etc) which you want to edit:");
try
{
string bookTag = Console.ReadLine();
Book book = bookService.FindBookByTag(bookTag);
if (book != null)
{
Console.WriteLine("What field do you want to change?(field name):");
string fieldName = Console.ReadLine();
switch (fieldName)
{
case "ISBN":
{
Console.WriteLine("Enter new ISBN:");
string isbn = Console.ReadLine();
book.ISBN = isbn;
break;
}
case "Author":
{
Console.WriteLine("Enter new Author:");
string author = Console.ReadLine();
book.Author = author;
break;
}
case "Name":
{
Console.WriteLine("Enter new book Name:");
string name = Console.ReadLine();
book.Name = name;
break;
}
case "Publisher":
{
Console.WriteLine("Enter new Publisher:");
string publisher = Console.ReadLine();
book.Publisher = publisher;
break;
}
default: break;
}
bookService.Update(book);
}
break;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
break;
}
case 6:
{
Console.WriteLine("Sort by:\n1 - ISBN\n2 - Author\n3 - Name\n4 - Publisher\n5 - Year\n6 - Pages\n7 - Price\n:");
bool isSucceeded = int.TryParse(Console.ReadLine(), out int num);
if (isSucceeded)
{
BookComparer cmp = null;
switch (num)
{
case 1:
{
cmp = new BookComparer {
Comparer = SortBy.ISBN
};
break;
}
case 2:
{
cmp = new BookComparer {
Comparer = SortBy.Author
};
break;
}
case 3:
{
cmp = new BookComparer {
Comparer = SortBy.Name
};
break;
}
case 4:
{
cmp = new BookComparer {
Comparer = SortBy.Publisher
};
break;
}
case 5:
{
cmp = new BookComparer {
Comparer = SortBy.Year
};
break;
}
case 6:
{
cmp = new BookComparer {
Comparer = SortBy.Pages
};
break;
}
case 7:
{
cmp = new BookComparer {
Comparer = SortBy.Price
};
break;
}
default:
{
cmp = new BookComparer();
break;
}
}
bookService.SortByTag(cmp);
}
break;
}
case 7:
{
Console.WriteLine("Enter tag name:");
string tag = Console.ReadLine();
Console.WriteLine(bookService.FindBookByTag(tag));
break;
}
//case 8:
// {
// bookService.ToXML();
// break;
// }
//case 9:
// {
// bookService.ToJSON();
// break;
// }
default: break;
}
}
Console.WriteLine("Press Enter to continue!!!");
Console.ReadLine();
Console.Clear();
}
Console.ReadLine();
}
