private void teachingFunctionsButton_Click(object sender, System.EventArgs e)
{
// Make a new teaching form.
TeacherMainForm tf = new TeacherMainForm
{
StaffId = this.StaffId,
StaffName = Staff.GetStaffNameById(this.StaffId),
};
Hide();
tf.ShowDialog();
tf.Dispose();
Show();
}
private void LoginButton_Click(object sender, EventArgs e)
{
string username = usernameBox.Text;
Debug.WriteLine(username);
// Run plain-text password through algorithm
string password = HashingAlgorithm(passwordBox.Text);
try
{
SqlCommand comm = new SqlCommand("SELECT StaffPassword FROM Staff WHERE StaffUsername = @StaffUsername");
comm.Parameters.AddWithValue("@StaffUsername", username);
DataTable dt = SqlTools.GetTable(comm);
// If password needs to be reset, don't continue
if ((string)dt.Rows[0]["StaffPassword"] == "")
{
ResetPasswordForm pwForm = new ResetPasswordForm(username);
pwForm.ShowDialog();
pwForm.Dispose();
}
else
{
if ((string)dt.Rows[0]["StaffPassword"] == password)
{
switch (Staff.GetPermissionLevel(username))
{
case PermissionLevel.Overseer:
int staffId = Staff.GetStaffIdByUsername(username);
OverseerForm of = new OverseerForm
{
StaffId = staffId,
isTutor = false
};
Hide();
of.FormClosed += (s, args) => Close();
of.Show();
break;
case PermissionLevel.Admin:
AdminForm af = new AdminForm();
Hide();
af.FormClosed += (s, args) => Close();
af.Show();
break;
case PermissionLevel.Teacher:
staffId = Staff.GetStaffIdByUsername(username);
TeacherMainForm tf = new TeacherMainForm
{
StaffId = staffId,
StaffName = Staff.GetStaffNameById(staffId),
};
Hide();
tf.FormClosed += (s, args) => Close();
tf.Show();
break;
default:
MessageBox.Show("Future system will have lower permission levels");
break;
}
}
else
{
// The password must be wrong if the username is right.
invalidPasswordLabel.Show();
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
// Unfortunately, we have to assume the username is wrong.
// The end-user can't have done much else wrong - except a bad
// username.
invalidUsernameLabel.Show();
throw ex;
}
}
