private void booksDeleteButton_Click(object sender, EventArgs e)
{
if (bookslistBox.SelectedItem == null)
{
MessageBox.Show("Nobena knjiga ni izbrana.");
}
else
{
databaseController dbc = new databaseController();
string selectedBook = bookslistBox.SelectedItem.ToString();//exception needs to be handled
selectedBook = selectedBook.Trim();
string[] BookID = selectedBook.Split('|');
int id_b = Convert.ToInt32(BookID[0].Trim());
selectedBook = BookID[1].Trim();//title
string author_name = BookID[2].Trim();
string author_surname = BookID[3].Trim();
int lost = Convert.ToInt32(BookID[4].Trim());
string year = BookID[5].Trim();
string location_name = BookID[6].Trim();
string publisher_name = BookID[7].Trim();
string genre_genretype = BookID[8].Trim();
int id_g = 0;
Authors aid = new Authors(0, author_name, author_surname);
dbc.idAuthors(aid);
int author_id = 0;
foreach (int k in dbc.idAuthors(aid))
{
author_id = k;
}
Locations lid = new Locations(0, location_name, "");
dbc.idLocations(lid);
int location_id = 0;
foreach (int k in dbc.idLocations(lid))
{
location_id = k;
}
Publishers pid = new Publishers(0, publisher_name);
dbc.idPublishers(pid);
int publisher_id = 0;
foreach (int k in dbc.idPublishers(pid))
{
publisher_id = k;
}
Genres gid = new Genres(0, genre_genretype);
dbc.idGenres(gid);
int genre_id = 0;
foreach (int k in dbc.idGenres(gid))
{
genre_id = k;
}
Books b = new Books(id_b, selectedBook, "", year, lost, genre_id, publisher_id, location_id);
#region author_id
Book_Authors id = new Book_Authors(0, id_b);
dbc.ReadAuthorsID(id);
int id_a = 0;
foreach (int k in dbc.ReadAuthorsID(id))
{
id_a = k;
}
/*string selectedAuthor = authorsBooksCombobox.SelectedItem.ToString();//exception needs to be handled
* selectedAuthor = selectedAuthor.Trim();
* string[] AuthorID = selectedAuthor.Split('|');
* selectedAuthor = AuthorID[1].Trim();
* string surname = AuthorID[2].Trim();
* int id_a = Convert.ToInt32(AuthorID[0].Trim());*/
#endregion
Book_Authors ba = new Book_Authors(author_id, id_b);
//MessageBox.Show("author"+Convert.ToString(author_id), "book" + Convert.ToString(id_b));
dbc.DeleteBooksAuthors(ba);
dbc.DeleteBooks(b);
bookslistBox.Items.Clear();
OutputBooks();
userUnLendedBookslistBox.Items.Clear();
userLendedBookslistBox.Items.Clear();
//OutputBooksOnRents_Lended();
OutputBooksOnRents_UnLended();
}
}
