private void authorsDeleteButton_Click(object sender, EventArgs e)
{
databaseController dbc = new databaseController();
string selectedAuthor = authorsListbox.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());
selectedAuthor = authorsNameTextBox.Text;
surname = authorsSurnameTextBox.Text;
Authors aut = new Authors(id_a, selectedAuthor, surname);
dbc.DeleteAuthors(aut);
authorsListbox.Items.Clear();
OutputAuthors();
}
public List <int> idAuthors(Authors ToReadIDs)
{
List <int> listOfIDs = new List <int>();
using (SQLiteConnection con = new SQLiteConnection("data source=Knjiznica_projektt.db"))
{
con.Open();
string query = "SELECT id_a FROM authors WHERE name='" + ToReadIDs.name + "' AND surname='" + ToReadIDs.surname + "'";
SQLiteCommand com = new SQLiteCommand(query, con);
SQLiteDataReader reader = com.ExecuteReader();
while (reader.Read())
{
int id = reader.GetInt32(0);
listOfIDs.Add(id);
}
com.Dispose();
con.Close();
return(listOfIDs);
}
}
private void authorsAddButton_Click(object sender, EventArgs e)
{
databaseController dbc = new databaseController();
int id_a = 0;
string name = authorsNameTextBox.Text;
string surname = authorsSurnameTextBox.Text;
string middlename = authorsMiddlenameTextBox.Text;
if (authorsMiddlenameTextBox.Text == "")
{
Authors auth = new Authors(id_a, name, surname);
dbc.SaveAuthors(auth);
authorsListbox.Items.Clear();
OutputAuthors();
}
else
{
Authors aut = new Authors(id_a, name, surname);
dbc.SaveAuthors(aut);
authorsListbox.Items.Clear();
OutputAuthors();
}
}
private void rentABookButton_Click(object sender, EventArgs e)
{
if (userShowcomboBox.SelectedItem == null)
{
MessageBox.Show("Izberite člana.");
}
else
{
databaseController dbc = new databaseController();
string selectedUser = userShowcomboBox.SelectedItem.ToString();//exception needs to be handled
selectedUser = selectedUser.Trim();
string[] UserID = selectedUser.Split('|');
int id_u = Convert.ToInt32(UserID[0].Trim());
string name = UserID[1].Trim();//title
string surname = UserID[2].Trim();
string tel = UserID[3].Trim();
string address = UserID[3].Trim();
string location_name = UserID[3].Trim();
string location_postalcode = UserID[3].Trim();
Locations lid = new Locations(0, location_name, "");
dbc.idLocations(lid);
int location_id = 0;
foreach (int k in dbc.idLocations(lid))
{
location_id = k;
}
Users uid = new Users(0, name, surname, "", "", "", "", 0);
dbc.idUsers(uid);
int user_id = 0;
foreach (int k in dbc.idUsers(uid))
{
user_id = k;
}
if (userUnLendedBookslistBox.SelectedItem == null)
{
MessageBox.Show("Izberite knjigo.");
}
else
{
string selectedBook = userUnLendedBookslistBox.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_book = 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_book = new Locations(0, location_name, "");
dbc.idLocations(lid);
int location_id_book = 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;
}
Rents rid = new Rents(0, 0, "", id_b, user_id);
dbc.idRents(rid);
int rent_id = 0;
foreach (int k in dbc.idRents(rid))
{
rent_id = k;
}
string rent_date = Convert.ToString(DateTime.Now);
int rent_state = 1;
Rents rentss = new Rents(rent_id, rent_state, rent_date, id_b, id_u);
dbc.UpdateRentsLend(rentss);
userUnLendedBookslistBox.Items.Clear();
OutputBooksOnRents_UnLended();
}
}
}
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();
}
}
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();
}
}
