/// <summary> /// Adds a new User to the database. /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void AddButton_Click(object sender, RoutedEventArgs e) { UserObject user = new UserObject(); user = businessLogicLayer.CheckUserInsert(emailInput.Text.ToLower()); try { if ((firstNameInput.Text.Equals("")) || (lastNameInput.Text.Equals("")) || (telephoneInput.Text.Equals("")) || (emailInput.Text.Equals("")) || (roleInput.Text.Equals("")) || (passwordInput.Password.Equals("")) || (passwordConfirmInput.Password.Equals(""))) { MessageBox.Show("Please input all text boxes."); firstNameInput.Focus(); return; } else if ((!Regex.IsMatch(firstNameInput.Text, @"^[a-zA-Z]+$")) || (!Regex.IsMatch(lastNameInput.Text, @"^[a-zA-Z]+$"))) { MessageBox.Show("Please input only alphabetical characters for the first and last name text boxes"); firstNameInput.Focus(); return; } else if (!Regex.IsMatch(telephoneInput.Text, "^[0-9]{11}$")) { MessageBox.Show("Please input only 11 numerical characters in the telephone text box."); telephoneInput.Focus(); return; } // Used Official Microsoft email regex: // https://github.com/Microsoft/referencesource/blob/master/System.ComponentModel.DataAnnotations/DataAnnotations/EmailAddressAttribute.cs else if (!Regex.IsMatch(emailInput.Text, @"^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$")) { MessageBox.Show("Please input a valid email address."); emailInput.Focus(); return; } else if (!(roleInput.Text.ToLower().Equals("worker") || roleInput.Text.ToLower().Equals("manager") || roleInput.Text.ToLower().Equals("admin"))) { MessageBox.Show("Please input only 'worker', 'manager' or 'admin' in the role text box."); roleInput.Focus(); return; } else if ((!passwordInput.Password.Equals(passwordConfirmInput.Password))) { MessageBox.Show("Please make sure the inputted passwords match."); passwordInput.Focus(); return; } else if ((!Regex.IsMatch(passwordInput.Password, @"^[a-zA-Z0-9]{6,14}")) || (!Regex.IsMatch(passwordConfirmInput.Password, @"^[a-zA-Z0-9]{6,14}"))) { MessageBox.Show("Please make sure the password is only alphanumerical and between 6-14 characters long."); passwordInput.Focus(); return; } else if (emailInput.Text.ToLower().Equals(user.email)) { MessageBox.Show("A user with that email already exists."); emailInput.Focus(); return; } else { user = businessLogicLayer.InsertNewUser(firstNameInput.Text.ToLower(), lastNameInput.Text.ToLower(), long.Parse(telephoneInput.Text), emailInput.Text.ToLower(), roleInput.Text.ToLower(), passwordInput.Password); MessageBox.Show(firstNameInput.Text + " " + lastNameInput.Text + " has been added to the system."); } } catch (Exception ex) { MessageBox.Show("An error has occurred, please contact your administrator." + "\n\n" + "The error message is: " + "\n\n" + ex.ToString()); } }