Esempio n. 1
0
        private void booksUpdateButton_Click(object sender, EventArgs e)
        {
            if (titleTextBox.Text == "" || yearTextBox.Text == "" || authorsBooksCombobox.SelectedItem == null || publishersBooksCombobox.SelectedItem == null || genreBooksCombobox.SelectedItem == null || locationBooksCombobox.SelectedItem == null)
            {
                MessageBox.Show("Preverite vnos. Eno izmed polij ni napolnjeno.");
            }
            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;
                string summary         = summaryTextBox.Text;

                #region genre_id
                string selectedGenre1 = genreBooksCombobox.SelectedItem.ToString();//exception needs to be handled
                selectedGenre1 = selectedGenre1.Trim();
                string[] GenreID1 = selectedGenre1.Split('|');
                selectedGenre1 = GenreID1[1].Trim();
                int genre_id = Convert.ToInt32(GenreID1[0].Trim());
                #endregion

                #region publisher_id
                string selectedPublisher = publishersBooksCombobox.SelectedItem.ToString();//exception needs to be handled
                selectedPublisher = selectedPublisher.Trim();
                string[] PublisherID = selectedPublisher.Split('|');
                selectedPublisher = PublisherID[1].Trim();
                int publisher_id = Convert.ToInt32(PublisherID[0].Trim());

                #endregion

                #region location_id
                string selectedLocation = locationBooksCombobox.SelectedItem.ToString();//exception needs to be handled
                selectedLocation = selectedLocation.Trim();
                string[] LocationID  = selectedLocation.Split('|');
                int      location_id = Convert.ToInt32(LocationID[0].Trim());
                #endregion

                #region author_id
                string selectedAuthor = authorsBooksCombobox.SelectedItem.ToString();//exception needs to be handled
                selectedAuthor = selectedAuthor.Trim();
                string[] AuthorID          = selectedAuthor.Split('|');
                int      author_id_waiting = Convert.ToInt32(AuthorID[0].Trim());//nov id
                #endregion

                Authors aid = new Authors(0, author_name, author_surname);//tastar id
                dbc.idAuthors(aid);
                int author_id = 0;
                foreach (int k in dbc.idAuthors(aid))
                {
                    author_id = k;
                }

                Book_Authors baid = new Book_Authors(author_id, id_b);//poiscem id v book authors z pomocjo ttih idejev
                dbc.idBookAuthors(baid);
                int book_authors_id = 0;
                foreach (int k in dbc.idBookAuthors(baid))
                {
                    book_authors_id = k;
                }

                Books        b  = new Books(id_b, selectedBook, summary, year, lost, genre_id, publisher_id, location_id);
                Book_Authors ba = new Book_Authors(author_id, id_b, book_authors_id, author_id_waiting);
                dbc.UpdateBooksAuthors(ba);
                dbc.UpdateBooks(b);
                bookslistBox.Items.Clear();
                OutputBooks();
                userUnLendedBookslistBox.Items.Clear();
                userLendedBookslistBox.Items.Clear();
                //OutputBooksOnRents_Lended();
                OutputBooksOnRents_UnLended();
            }
        }