static void Main2(string[] args)
{
List <int> numbers = new List <int> {
1, 8, 5, 3, 7, 4, 2, 6
};
List <int> evenNumbers = numbers
.Where(c => c % 2 == 0)
.OrderBy(c => c)
.ToList();
bool s = numbers.Count(c => c % 2 == 0) >= 3;
var list2 = numbers.OrderByDescending(c => c).ToList();
List <int> oddNumbers = new List <int>();
for (int i = 0; i < numbers.Count; i++)
{
if (numbers[i] % 2 == 0)
{
oddNumbers.Add(numbers[i]);
}
}
var s23 = numbers.Count(c => c % 2 == 0) >= 3;
using (BookService service = new BookService())
{
List <Book> books = service.GetAll();
Book book = books.FirstOrDefault();
book.Quantity++;
service.EditBook(book);
Book book2 = service.GetBookByID(book.ID);
Book newBook = new Book {
Author = "Mecho Puh",
Title = "прасчо и аз",
Description = "дълго е за разказване",
Genre = "приказки",
Quantity = 1,
CreatedDate = DateTime.Now
};
service.AddBook(newBook);
var booksByAuthor = service.GetByAuthor("Puh");
if (booksByAuthor.Count > 0)
{
int bookID = booksByAuthor.First().ID;
service.DeleteBook(bookID);
}
}
LibraryContext context = new LibraryContext();
var x = context.Books.ToList();
}
static void Main(string[] args)
{
using (BookService service = new BookService())
{
List <Book> books = service.GetAll();
// test if we get date from the DB
Book book = books.FirstOrDefault();
// edit a book
book.Quantity++;
service.EditBook(book);
// get book by ID
Book book2 = service.GetBookByID(book.ID);
// add new book
Book newBook = new Book
{
Author = "Microsoft",
Title = "Creating API",
Description = "книга за програмиране",
Genre = "programming",
Quantity = 1,
CreatedDate = DateTime.Now
};
service.AddBook(newBook);
// find book by author and delete if we have > 1
var booksByAuthor = service.GetByAuthor("Microsoft");
if (booksByAuthor.Count > 1)
{
int bookID = booksByAuthor.Last().ID;
service.DeleteBook(bookID);
}
}
//// another way to get all books - do not use this way, use BookService
//LibraryContext context = new LibraryContext();
//var x = context.Books.ToList();
using (ReaderService readerService = new ReaderService())
{
// add new reader
Reader newReader = new Reader
{
FirstName = "reader",
LastName = DateTime.Now.ToShortTimeString(),
PhoneNumber = "08812345678",
CreatedDate = DateTime.Now
};
readerService.AddReader(newReader);
int readerID = newReader.ID;
// get reader by ID
Reader reader2 = readerService.GetReaderByID(readerID);
// edit reader
reader2.FirstName = "reader " + readerID;
readerService.EditReader(reader2);
}
using (BookService bookService = new BookService())
using (ReaderService readerService = new ReaderService())
{
// get some valid IDs
int bookID = bookService.GetByAuthor("Microsoft").First().ID;
int readerID = readerService.GetAll().Last().ID;
// borrow book
readerService.BorrowBook(readerID, bookID);
// return book
Thread.Sleep(50);
readerService.ReturnBook(readerID, bookID);
}
}