private async void btn_addInstructor_Click(object sender, RoutedEventArgs e)
{
string errorList = "";
if (cmb_gender.SelectedIndex == -1)
{
errorList += "Select a gender.\n";
}
if (lblBlock_CV.Text != "...." && !System.IO.File.Exists(lblBlock_CV.Text))
{
errorList += "The selected CV does not exist.\n";
}
if (num_age.Value == null)
{
errorList += "Numeric values cannot be null.\n";
}
if (txt_address.Text == "")
{
errorList += "Address cannot be empty.\n";
}
if (txt_instructorName.Text == "")
{
errorList += "Instructor name cannot be empty.\n";
}
if (txt_qualifier.Text == "")
{
errorList += "Qualifier cannot be empty.\n";
}
if (txt_phone.Text == "")
{
errorList += "Phone field cannot be empty.\n";
}
foreach (char letter in txt_phone.Text)
{
if (!char.IsDigit(letter))
{
errorList += "Phone can only consist of numbers!\n";
break;
}
}
if (errorList != "")
{
await this.ShowMessageAsync("Check the following!", errorList);
return;
}
if (Globals.Instructors.ToList().Exists(x => x.Value.Name == txt_instructorName.Text || x.Value.Phone == txt_phone.Text))
{
if (EditedInstructor == null || (EditedInstructor != null && EditedInstructor.Name != txt_instructorName.Text))
{
if (await this.ShowMessageAsync("Are you sure", "There exist an instructor with the same name/phone, are you sure you want to continue", MessageDialogStyle.AffirmativeAndNegative) == MessageDialogResult.Negative)
{
return;
}
}
}
try
{
var newIns = new Instructor()
{
Name = txt_instructorName.Text,
Address = txt_address.Text,
Phone = txt_phone.Text,
Gender = cmb_gender.SelectedIndex,
Qualifier = txt_qualifier.Text,
Age = Convert.ToInt32(num_age.Value),
};
if (System.IO.File.Exists(lblBlock_CV.Text))
{
newIns.CV = System.IO.File.ReadAllBytes(lblBlock_CV.Text);
}
//foreach (CheckedObject item in courses_listView.Items)
//{
// if (item.Checked)
// {
// newIns.TeachingCourses.Add(item.Class);
// }
//}
if (EditedInstructor == null)
{
Instructors.AddInstructor(newIns);
}
else
{
newIns.Id = EditedInstructor.Id;
Instructors.EditInstructor(newIns);
}
this.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
Globals.RefreshReferenceInformation();
}