/// <summary>
/// Checking books's input and sending it to the database
/// </summary>
/// <returns>True if book sent to DB, otherwise false</returns>
private bool AddItemBook()
{
BookAddViewModel viewmodel = (BookAddViewModel)DataContext;
Book book = viewmodel.MyBook;
if (string.IsNullOrEmpty(book.Title))
{
MessageBox.Show("Title cannnot be empty.");
return(false);
}
if (book.Author_AtBook == null)
{
MessageBox.Show("Author must be added.");
return(false);
}
if (book.Genre_AtBook == null)
{
MessageBox.Show("Genre must be added.");
return(false);
}
try
{
int id = MSAConnectionDB.SaveBookToDB(book);
book.BookId = id;
Books.AddBook(book);
Genres.AddBookToGenre(book, book.Genre_AtBook);
Authors.AddBookToAuthor(book, book.Author_AtBook);
ActivateMainWindow();
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
return(true);
}