private void btnNew_Click(object sender, RoutedEventArgs e)
{
if(btnNew.Content.ToString() == "Uusi")
{
//luodaan uusi kirja olio
Book newBook = new Book(0);
newBook.Name = "Anna kirjan nimi";
spBook.DataContext = newBook;
btnNew.Content = "Tallenna uusi kantaan";
}
else
{
Book current = (Book)spBook.DataContext;
BookShop.InsertBook(current);
dgBooks.DataContext = BookShop.GetBooks(true);
MessageBox.Show(string.Format("Kirja {0} tallennettu kantaan onnistuneesti", current.ToString()));
btnNew.Content = "Uusi";
}
}
public static bool InsertBook(Book book)
{
try
{
int lkm = DBShop.InsertBook(cs, book.Name, book.Author, book.Country, book.Year);
if (lkm > 0)
{
return true;
}
else
{
return false;
}
}
catch (Exception ex)
{
throw ex;
}
}
public static List<Book> GetBooks(bool useDb)
{
try
{
DataTable dt;
List<Book> books = new List<Book>();
if (useDb)
{
//Pyydetään DB-kerrokselta kirjojen tiedot
dt = DBShop.GetBooks(cs);
}
else
{
dt = DBShop.GetTestData();
}
Book book;
//ORM = muutetaan datatalen rivit olioiksi
foreach (DataRow row in dt.Rows)
{
book = new Book((int)row[0]);
book.Name = row["name"].ToString();
book.Author = row["author"].ToString();
book.Country = row["country"].ToString();
book.Year = (int)row["year"];
books.Add(book);
}
return books;
}
catch (Exception ex)
{
throw ex;
}
}
public static int UpdateBook(Book book)
{
try
{
int lkm = DBShop.UpdateBook(cs, book.ID, book.Name, book.Author, book.Country, book.Year);
return lkm;
}
catch (Exception ex)
{
throw ex;
}
}