private void BtnRemove_Click(object sender, RoutedEventArgs e)
{
Controller con = new Controller();
if (lvRemoveBooks.SelectedIndex == -1)
{
MessageBox.Show("Please select a book", "Please select a book", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
objBook book = (objBook)lvRemoveBooks.Items[lvRemoveBooks.SelectedIndex];
//aske user if he/she is sure
var reservationChoice = MessageBox.Show("Do you want to delete " + book.Name + "?", "Are your sure?", MessageBoxButton.YesNo, MessageBoxImage.Warning);
if (reservationChoice.ToString() == "No")
{
return;
}
if (con.Remove_Book(book))
{
MessageBox.Show("Book was successfully removed", "Success", MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
MessageBox.Show("Couldn't remove book. Please contact support", "error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void BtnAddBook_Click(object sender, RoutedEventArgs e)
{
Controller con = new Controller();
//check empty fields
if (string.IsNullOrEmpty(txtName.Text) || string.IsNullOrEmpty(txtISBN.Text) || string.IsNullOrEmpty(txtAuthor.Text) || string.IsNullOrEmpty(txtPublisher.Text))
{
MessageBox.Show("Please fill in all informations", "Empty fields", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
//Check ISBN format
string pattern = @"[0-9]*[-| ][0-9]*[-| ][0-9]*[-| ][0-9]*[-| ][0-9]*";
Regex rg = new Regex(pattern);
if (!rg.IsMatch(txtISBN.Text))
{
MessageBox.Show("ISBN is not corretly formatted", "Wrong format", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
//Check if book already exists
if (con.Get_Book(txtISBN.Text).Count == 1)
{
MessageBox.Show("Book already exists", "Warning", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
int Amount;
if (!int.TryParse(txtAmount.Text, out Amount))
{
MessageBox.Show("Amount is not a number", "Warning", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
//Create book
objBook newBook = new objBook(txtName.Text.Trim(), txtISBN.Text.Trim(), txtAuthor.Text.Trim(), txtPublisher.Text.Trim(), 0, Amount, true);
//call book creation
if (con.Add_Book(newBook))
{
MessageBox.Show("Book was successfully created", "Success", MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
MessageBox.Show("Couldn't create book. Please contact support", "error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void BtnRental_Click(object sender, RoutedEventArgs e)
{
Controller con = new Controller();
if (lvbooks.SelectedIndex == -1)
{
MessageBox.Show("Please select a book", "Please select a book", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
objBook book = (objBook)lvbooks.Items[lvbooks.SelectedIndex];
//Check if book is avaiable
if (!con.Get_ReservationState(book.ISBN))
{
MessageBox.Show("Book is not avaiable", "Book is not avaiable", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
//aske user if he/she is sure
var reservationChoice = MessageBox.Show("Do you want to end the rental of " + book.Name + "?", "Are your sure?", MessageBoxButton.YesNo, MessageBoxImage.Warning);
if (reservationChoice.ToString() == "No")
{
return;
}
//search for user
FindUserInterface findUser = new FindUserInterface();
findUser.ShowDialog();
if (findUser.username == null)
{
return;
}
//create rent entry in db
if (con.Approve_Reservation(book.ISBN, findUser.username))
{
MessageBox.Show("Finished rental successfull", "Success", MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
MessageBox.Show("Rental end failed. Please contact support", "failed", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
