//sign in button
private void ButtonSignIn_Click(object sender, RoutedEventArgs e)
{
//loads the array of usernames
//then checks if given username is in array
//if it is in array then checks the sha256 of password within index in array of passwords
//if returned index is -1 then username doesn't exist
isRemembered = Convert.ToBoolean(CheckboxRememberMeSignin.IsChecked);
tempUsername = TextboxUsernameSignin.Text;
temp_id = Array.IndexOf(student_usernames, tempUsername);
int temp_id_teacher = Array.IndexOf(teacher_usernames, tempUsername);
//check if given username is student
if (temp_id > -1 && temp_id_teacher == -1)
{
isTeacher = false;
isStudent = true;
}
//check if given username is teacher
else if (temp_id == -1 && temp_id_teacher > -1)
{
isTeacher = true;
isStudent = false;
}
//if given username is none them
else if (temp_id == -1 && temp_id_teacher == -1)
{
hasError = true;
TextStatusSignIn.Text = signin_error;
}
//then checks the given password with returned index of username
//first if previous logic returned isTeacher = true
//and hasError = false
if (isTeacher == true && isStudent == false && hasError == false)
{
temp_pass = Methods.EncryptPass(TextboxPasswordSignin.Text);
if (temp_pass == teacher_passwords[temp_id_teacher])
{
hasError = false;
account_type = "teacher";
}
else
{
hasError = true;
TextStatusSignIn.Text = signin_error;
}
}
//the same logic but for student now
if (isStudent == true && isTeacher == false && hasError == false)
{
temp_pass = Methods.EncryptPass(TextboxPasswordSignin.Text);
if (temp_pass == student_passwords[temp_id])
{
hasError = false;
account_type = "student";
}
else
{
hasError = true;
TextStatusSignIn.Text = signin_error;
}
}
//check if username and password should be saved
if (isRemembered == true && hasError == false)
{
m.FileWrite(last_session_path, TextboxUsernameSignin.Text);
m.FileWrite(remembered_path, Convert.ToString(isRemembered));
//saving account type
if (isTeacher == true && isStudent == false)
{
m.FileWrite(login_is_teacher, "teacher");
//redirect to teachers page
TeacherSubjects teacherSubjects = new TeacherSubjects();
teacherSubjects.Show();
Close();
}
else if (isTeacher == false && isStudent == true)
{
m.FileWrite(login_is_teacher, "student");
//redirect to students page
SubjectsStudent subjectsStudent = new SubjectsStudent();
subjectsStudent.Show();
Close();
}
}
//logic for if credentials is not going to be saved
if (isRemembered == false && hasError == false)
{
m.FileWrite(last_session_path, TextboxUsernameSignin.Text);
if (isTeacher == true && isStudent == false)
{
m.FileWrite(login_is_teacher, "teacher");
}
else if (isTeacher == false && isStudent == true)
{
m.FileWrite(login_is_teacher, "student");
}
}
if (account_type == "student" & hasError == false)
{
SubjectsStudent subjectsStudent = new SubjectsStudent();
subjectsStudent.Show();
Close();
}
}
//completing signup
//credential checking
private void ButtonCompleteTeacherSignUp_Click(object sender, RoutedEventArgs e)
{
tempfirst = TextboxFirstNameTeacherSignUp.Text;
templast = TextboxLastNameTeacherSignUp.Text;
tempemail = TextboxEmailTeacherSignUp.Text;
temppassword = TextboxPassword1TeacherSignUp.Text;
temppassword1 = TextboxPassword2TeacherSignUp.Text;
tempusername = TextboxUsernameTeacherSignUp.Text;
//returns the index of given username or email
//returns -1 if username or email is taken
int username_s = Array.IndexOf(student_usernames, tempusername);
int username_t = Array.IndexOf(teacher_usernames, tempusername);
int email_s = Array.IndexOf(student_emails, tempemail);
int email_t = Array.IndexOf(teacher_emails, tempemail);
//checking if username is taken
if (username_s == -1 & username_t == -1)
{
isfreeusername = true;
}
else if (username_s > -1 | username_t > -1)
{
isfreeusername = false;
}
//checking if email is taken
if (email_s == -1 & email_t == -1)
{
isfreemail = true;
}
else if (email_s > -1 | email_t > -1)
{
isfreemail = false;
}
//checking if passwords match to each other
if (temppassword == temppassword1)
{
pass_match = true;
}
else
{
pass_match = false;
}
//checking if passwords are long enough
if (pass_match & temppassword.Length >= longpass)
{
pass_long = true;
}
//checking if valid email address is entered
if (m.IsValidEmail(tempemail))
{
valid_email = true;
}
//checking if names are entered
if (tempfirst.Length > 0 & templast.Length > 0)
{
entered_names = true;
}
//checking which subject is selected
if (Convert.ToBoolean(RadioButtonMath.IsChecked))
{
tempsubject = math;
selected_subject = true;
}
else if (Convert.ToBoolean(RadioButtonBiology.IsChecked))
{
tempsubject = biology;
selected_subject = true;
}
else if (Convert.ToBoolean(RadioButtonChemistry.IsChecked))
{
tempsubject = chemistry;
selected_subject = true;
}
else if (Convert.ToBoolean(RadioButtonEnglish.IsChecked))
{
tempsubject = english;
selected_subject = true;
}
else if (Convert.ToBoolean(RadioButtonHistory.IsChecked))
{
tempsubject = history;
selected_subject = true;
}
else if (Convert.ToBoolean(RadioButtonInformatics.IsChecked))
{
tempsubject = informatics;
selected_subject = true;
}
else if (Convert.ToBoolean(RadioButtonLiterature.IsChecked))
{
tempsubject = literature;
selected_subject = true;
}
else if (Convert.ToBoolean(RadioButtonPhysics.IsChecked))
{
tempsubject = physics;
selected_subject = true;
}
//assigning error messages
if (!isfreeusername)
{
error_message = "Username is already taken";
}
if (!isfreemail)
{
error_message = "Email address already is taken";
}
if (!pass_match)
{
error_message = "Passwords do not match";
}
if (!pass_long)
{
error_message = "Password should at least contain 8 characters";
}
if (!selected_subject)
{
error_message = "You did not select any subject";
}
if (!valid_email)
{
error_message = "Enter valid email address";
}
if (!entered_names)
{
error_message = "Please enter your name";
}
if (!noError)
{
StatusMessage.Text = error_message;
}
//registring if no error occured
if (isfreeusername & isfreemail & pass_long & pass_match & selected_subject & valid_email & entered_names)
{
noError = true;
string t_c = teacher_path + teacher_id;
Directory.CreateDirectory(t_c);
m.FileWrite(t_c + @"\username", tempusername);
m.FileWrite(t_c + @"\password", Methods.EncryptPass(temppassword));
m.FileWrite(t_c + @"\email", tempemail);
m.FileWrite(t_c + @"\subject", tempsubject);
m.FileWrite(t_c + @"\firstname", tempfirst);
m.FileWrite(t_c + @"\lastname", templast);
teacher_id++;
m.FileWrite(teacher_id_path, Convert.ToString(teacher_id));
}
//redirect to teachers window if successful registration
if (noError)
{
TeacherSubjects teacherSubjects = new TeacherSubjects();
teacherSubjects.Show();
this.Close();
}
}
