protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
if (requestCode != 1)
{
return;
}
if (data == null)
{
Finish();
return;
}
string result = data.GetStringExtra("la.droid.qr.result");
if (string.IsNullOrWhiteSpace(result))
{
ResponseManager.ShowMessage("Error", "Invalid QR code scanned!");
return;
}
_qrCode = result;
if (ScannedCodesCollection.CodeExists(result))
{
_codeAlreadyUsed = true;
ShowCodeAlreadyScannedDialog();
return;
}
_scannedCode = true;
}
private static void DoLogout()
{
if (Functions.IsOffline())
{
Functions.CurrentContext.StartActivity(typeof(LoginActivity));
Functions.CurrentContext.Finish(); // Rest of log in data cleared in constructor
return;
}
var data = new NameValueCollection();
data.Add("logout", string.Empty);
string response = WebFunctions.Request(data);
if (response == "Logged out successfully" || response == "Not logged in!")
{
Functions.CurrentContext.StartActivity(typeof(LoginActivity));
Functions.CurrentContext.Finish(); // Rest of log in data cleared in constructor
}
else
{
ResponseManager.ShowMessage("Error", response);
ResponseManager.DismissLoading();
}
}
public static void DeleteAllCodes()
{
Functions.DeleteSetting("savedCodes");
_scannedCodes.Clear();
ResponseManager.ShowMessage("Success", "All local grades deleted!");
}
private bool CheckDataOk()
{
if (string.IsNullOrWhiteSpace(_editTextSubject.Text))
{
ResponseManager.ShowMessage("Error", "Subject cannot be empty!");
return(false);
}
return(true);
}
private void DoRegister(object sender, EventArgs e)
{
if (Functions.IsOffline())
{
ResponseManager.ShowMessage("Error", "No internet connection!");
return;
}
if (_txtPassword.Text != _txtPassword2.Text)
{
ResponseManager.ShowMessage("Error", "Passwords do not match!");
return;
}
ResponseManager.ShowLoading("Creating account...");
var data = new NameValueCollection();
data.Add("register", string.Empty);
data.Add("email", _txtEmail.Text);
data.Add("password", Functions.GetSha256(_txtPassword.Text));
data.Add("firstname", _txtFirstName.Text);
data.Add("lastname", _txtLastName.Text);
data.Add("class", _txtClass.Text);
string reply = WebFunctions.Request(data);
ResponseManager.DismissLoading();
if (reply != "Account created!")
{
ResponseManager.ShowMessage("Error", reply);
WebFunctions.ClearCookies();
return;
}
RunOnUiThread(delegate {
var dialogFragment = new DialogFragment();
dialogFragment.InitializeOk(reply, "Success", delegate {
Intent resultData = new Intent();
resultData.PutExtra("email", _txtEmail.Text);
resultData.PutExtra("password", _txtPassword.Text);
SetResult(Result.Ok, resultData);
Finish();
});
dialogFragment.Show();
});
}
private void Finish(object sender, EventArgs e)
{
if (!CheckDataOk())
{
return;
}
if (string.IsNullOrWhiteSpace(_editTextSubject.Text))
{
ResponseManager.ShowMessage("Error", "Subject cannot be empty!");
return;
}
ScannedCode code = new ScannedCode(_editTextSubject.Text, int.Parse(_txtViewGrade.Text), _qrCode);
ScannedCodesCollection.AddCode(code);
Finish();
}
private void DoLogin(object sender, EventArgs e)
{
if (Functions.IsOffline())
{
ResponseManager.ShowMessage("Error", "No internet connection!");
return;
}
ResponseManager.ShowLoading("Logging in...");
var data = new NameValueCollection();
data.Add("login", string.Empty);
data.Add("email", _txtEmail.Text);
data.Add("password", Functions.GetSha256(_txtPassword.Text));
string reply = WebFunctions.Request(data);
if (reply != "Login success!")
{
ResponseManager.DismissLoading();
ResponseManager.ShowMessage("Error", reply);
WebFunctions.ClearCookies();
return;
}
data.Clear();
data.Add("getaccounttype", string.Empty);
reply = WebFunctions.Request(data);
if (reply != "student" && reply != "teacher")
{
ResponseManager.DismissLoading();
ResponseManager.ShowMessage("Error", "Unrecognized account type!");
WebFunctions.ClearCookies();
return;
}
Functions.SaveSetting("settings", "accountType", reply);
Functions.SaveSetting("settings", "loggedIn", "true");
StartActivity(typeof(MainActivity));
Finish();
}
public override bool OnOptionsItemSelected(IMenuItem item)
{
if (item.ItemId == Resource.Id.action_settings)
{
ResponseManager.ShowLoading("Logging out...");
ThreadPool.QueueUserWorkItem(o => DoLogout());
}
else if (item.ItemId == Resource.Id.action_refresh)
{
if (Functions.IsOffline())
{
ResponseManager.ShowMessage("Error", "Cannot complete action while offline.");
return(base.OnOptionsItemSelected(item));
}
ResponseManager.ShowLoading("Fetching user data...");
ThreadPool.QueueUserWorkItem(o => FetchStudentData());
}
return(base.OnOptionsItemSelected(item));
}
private void InitializeStudent()
{
SetContentView(Resource.Layout.MainStudent);
this.ActionBar.NavigationMode = ActionBarNavigationMode.Standard;
this.Title = "APlus Student Panel";
if (Functions.IsOffline())
{
ResponseManager.ShowMessage("Error", "Cannot complete action while offline.");
return;
}
ResponseManager.ShowLoading("Fetching user data...");
ThreadPool.QueueUserWorkItem(o => {
while (!_checkedStatus)
{
Thread.Sleep(100);
}
FetchStudentData();
});
}
private void btnRegister_OnClick(object sender, EventArgs e)
{
if (string.IsNullOrWhiteSpace(_txtEmail.Text) || string.IsNullOrWhiteSpace(_txtPassword.Text) ||
string.IsNullOrWhiteSpace(_txtPassword2.Text) || string.IsNullOrWhiteSpace(_txtFirstName.Text) ||
string.IsNullOrWhiteSpace(_txtLastName.Text) || string.IsNullOrWhiteSpace(_txtClass.Text))
{
ResponseManager.ShowMessage("Error", "Information is missing!");
return;
}
if (_txtPassword.Text.Length < 6)
{
ResponseManager.ShowMessage("Error", "Password must be at least 6 characters long!");
return;
}
if (_txtPassword.Text != _txtPassword2.Text)
{
ResponseManager.ShowMessage("Error", "Passwords don't match!");
return;
}
ThreadPool.QueueUserWorkItem(o => DoRegister(sender, e));
}
public static void Sync()
{
Load();
if (_scannedCodes.Count == 0)
{
ResponseManager.ShowMessage("Note", "No grades to sync!");
return;
}
StringBuilder stringBuilder = new StringBuilder();
foreach (var code in _scannedCodes)
{
stringBuilder.AppendFormat("{0}-|-{1}-|-{2}-||-", code.Subject, code.Grade, code.Code);
}
var data = new NameValueCollection();
data.Add("newgrades", string.Empty);
data.Add("data", stringBuilder.ToString());
string reply = WebFunctions.Request(data);
string[] formattedReply = Regex.Split(reply, Environment.NewLine);
foreach (string line in formattedReply)
{
if (line.StartsWith("Grade saved"))
{
DeleteFirstCode();
}
else if (line.StartsWith("Code already used"))
{
DeleteFirstCode();
}
}
reply = reply.Replace("Grade saved!", string.Empty);
reply = reply.Replace("Code already used!", string.Empty);
formattedReply = Regex.Split(reply, Environment.NewLine);
formattedReply = formattedReply.TrimArray();
List <string> gradedStudents = new List <string> ();
StringBuilder resultMessage = new StringBuilder();
foreach (string line in formattedReply)
{
if (line.StartsWith("Graded student"))
{
gradedStudents.Add(line.Replace("Graded student: ", string.Empty));
}
else
{
foreach (string line2 in formattedReply)
{
resultMessage.AppendLine(line2);
}
Functions.CurrentContext.RunOnUiThread(() => ResponseManager.ShowMessage("Success", resultMessage.ToString()));
return;
}
}
if (gradedStudents.Count == 0)
{
resultMessage.AppendLine("All sent codes were already graded!");
}
else
{
resultMessage.AppendLine("Grades successfully synced to server! Results:");
resultMessage.AppendLine();
foreach (string student in Functions.ShuffleArray(gradedStudents.ToArray()))
{
resultMessage.AppendLine(student);
}
}
Functions.CurrentContext.RunOnUiThread(() => ResponseManager.ShowMessage("Success", resultMessage.ToString()));
}