private static void FindFactor(ref PreferencesRow p, ref ExamsListRow ls)
{
ExamsRow[] arr = ls.GetExamsRows();
double sumPoint = arr.Sum(o => o.QuestionsRow.Weight);
double factor = Convert.ToDouble(p.Points);
factor /= (sumPoint);
p.Factor = factor;
arr = null;
}
private static void doOneEncriptExam(ref PreferencesRow p, ref ExamsListRow ls, out IList <string[]> questionAnswer, string password)
{
IEnumerable <DB.ExamsRow> join = ls.GetExamsRows();
string[] ClaveWQID = null;
ClaveWQID = makeQAs(ref join, ref p, out questionAnswer);
ls.LQuestion = ClaveWQID[1]; // question weight string
string LAnswer = ClaveWQID[0]; //clave verdadera sin encriptar
string QIDString = ClaveWQID[2]; //secuencia de preguntas, importante guardar
ls.CLAnswer = Rsx.Encryption.AESThenHMAC.SimpleEncryptWithPassword(LAnswer, password, null); //encripta
ls.CQIDString = Rsx.Encryption.AESThenHMAC.SimpleEncryptWithPassword(QIDString, password, null); //encripta
}
public ExamsListRow AddExam(ref PreferencesRow p)
{
ExamsListRow ls = ExamsList.NewExamsListRow();
ExamsList.AddExamsListRow(ls);
Guid g = Guid.NewGuid();
ls.PID = p.PID;
////MAKES THE DOC FILE
ls.GUID = g.ToString().Replace("-", null);//.Split('-')[4];
ls.Time = DateTime.Now;
ls.Class = p.Class;
return(ls);
}
private static object MakeDOC(ref ExamsListRow ls, ref IList <string[]> questionAnswer, string filepathAux, string title, bool showAnswer, string pass)
{
W.Document doc = openDocApp(filepathAux);
string Intro = "Recorte el Cupón";
// W.Document doc = ExamMain.MakeWord(ref destFile, ref w); //makes the word file
makeExamIntro(ref doc, filepathAux + JPG_EXT, Intro, title);
makeExamCoupon(ref doc, filepathAux + JPG_EXT, ref ls, showAnswer, pass);
makeExamFileBody(ref questionAnswer, ref doc);
// Application.DoEvents();
//save word
doc.Save();
return(doc);
}
private void doOneDocExam(ref PreferencesRow p, ref ExamsListRow ls, ref IList <string[]> questionAnswer)
{
string filepathAux = examsPath + model + ls.GUID;
string CryptoGUID = Rsx.Encryption.AESThenHMAC.SimpleEncryptWithPassword(ls.GUID, inter.Password, null);
// string jpgQRCodeFile = filepathAux + JPG_EXT;
Image img = Tools.CreateQRCode(CryptoGUID, qrSise);
img.Save(filepathAux + JPG_EXT);
img.Dispose();
// string destFile = filepathAux + WORD_EXT;
///MAKE WORD DOCUMENT
///
File.Copy(templateFile, filepathAux + WORD_EXT);
string title = p.Title + " (" + p.Class + ")";
bool showAnswer = p.showAnswer;
string pass = inter.Password;
object doc = Generator.MakeDOC(ref ls, ref questionAnswer, filepathAux, title, showAnswer, pass);
inter.Status = Resources.ExamenCreado;
bool close = true;
bool quit = true;
Generator.MakePDF(ref doc, close, quit);
Byte[] rtf = IO.ReadFileBytes(filepathAux + PDF_EXT);
ls.ExamFile = rtf; //salva una copia del archivo PDF en el servidor SQL
DB.TAM.ExamsListTableAdapter.Update(ls);
inter.Status = Resources.ExamenCreadoPDF;
File.Delete(filepathAux + PDF_EXT);
File.Delete(filepathAux + WORD_EXT);
File.Delete(filepathAux + JPG_EXT);
}
public void DoExams()
{
PreferencesRow p = inter.IBS.CurrentPreference;
inter.IBS.Working = true;
updatePreferenceAndClone(ref p);
inter.IBS.Working = false;
inter.IBS.LogPref.Position = inter.IBS.LogPref.Find(inter.IdB.Preferences.PIDColumn.ColumnName, p.PID);
inter.IBS.Working = true;
inter.Status = "Empezando...";
FillClassDataBase(p.Class);
// inter.IBS.LogPref.MoveFirst(); //select item to clone Application.DoEvents();
inter.ProgressHandler?.Invoke(p.Models, EventArgs.Empty);
int mod = 0; //models
for (mod = 0; mod < p.Models; mod++)
{
inter.IdB.Exams.Clear();
inter.ProgressHandler?.Invoke(0, EventArgs.Empty);
ExamsListRow ls = doOneExam(ref p);
if (ls == null)
{
continue;
}
inter.ProgressHandler?.Invoke(0, EventArgs.Empty);
Generator.FindFactor(ref p, ref ls);
////ENCRIPTAMIENTOOOOOOO
inter.Status = "Procesando examen...";
IList <string[]> questionAnswer;
doOneEncriptExam(ref p, ref ls, out questionAnswer, inter.Password);
//SAVE COPY OF TABLE in EXAMLIST
Generator.MakeTableBytes(ref ls, examsPath);
DB.TAM.ExamsListTableAdapter.Update(inter.IdB.ExamsList);
inter.ProgressHandler?.Invoke(0, EventArgs.Empty);
inter.Status = Resources.Creando + "el examen " + ls.GUID;
doOneDocExam(ref p, ref ls, ref questionAnswer);
inter.Status = "Examen generado";
inter.ProgressHandler?.Invoke(0, EventArgs.Empty);
}
Generator.MakeTableBytes(ref p, examsPath);
int count = p.GetExamsListRows().Count();
if (count != 0)
{
inter.Status = count + " Modelos generados";
}
DB.TAM.PreferencesTableAdapter.Update(p);
inter.IdB.Exams.Clear();
inter.IBS.Working = false;
}
/// <summary>
/// MAIN FILE FOR GENERATING AN EXAM
/// </summary>
/// <param name="p"></param>
private ExamsListRow doOneExam(ref PreferencesRow p)
{
inter.Status = Resources.Creando + inter.IdB.Questions.Count + Resources.PregAleatorias;
Func <DB.QuestionsRow, bool> selector = x =>
{
bool?ok = x.TopicsRow?.UseIt;
if (ok == null)
{
ok = false;
}
return((bool)ok);
};
///RANDOMNIZE RAW QUESTIONS
IEnumerable <DB.QuestionsRow> questions = inter.IdB.Questions.Where(selector).ToArray(); //toma todas las preguntas
if (questions.Count() == 0)
{
inter.Status = "No hay preguntas seleccionadas";
return(null);
}
int times = 3;
questions = Tools.RandomnizeStringsTimes(questions, times);
IList <ExamsRow> exams = new List <ExamsRow>(); //todas las preguntas randomnizadas seran guardadas primero en esta lista
foreach (QuestionsRow q in questions)
{
ExamsRow er = inter.IdB.Exams.NewExamsRow(); //crea rows pero no los metas en la tabla
er.QID = q.QID; //dales el id de la pregunta
exams.Add(er); //agregalos a la lista
}
inter.Status = Resources.Filtrando;
IEnumerable <ExamsRow> join = weightThem(ref p, ref exams); //not re-ordered // preguntas seleccionadas y filtradas
Application.DoEvents();
inter.Status = Resources.OrderAleatorio; // de las preguntas del examen ya pesadas (filtradaS)
join = Tools.RandomnizeStringsTimes(join, times);
inter.Status = Resources.Seleccionando + join.Count() + Resources.PregAleatorias;
Application.DoEvents();
foreach (ExamsRow ex in join)
{
inter.IdB.Exams.AddExamsRow(ex); //agregalas a la tabla para salvarlas
DB.QuestionsRow q = ex.QuestionsRow;
IEnumerable <AnswersRow> answ = q.GetAnswersRows();
///RANDOMIZE RAW ASWERS
answ = Tools.RandomnizeStringsTimes(answ, times);
//CREATE EXAM QUESTION CODE! AIDSTRING
string code = CreateExamQuestionCode(ref answ);
ex.AIDString = code;
ExamsRow auxiliar = ex;
MakeTableBytes(ref auxiliar, examsPath);
}
DB.TAM.ExamsTableAdapter.Update(inter.IdB.Exams);
Application.DoEvents();
ExamsListRow ls = inter.IdB.AddExam(ref p);
// Image img = Tools.CreateQRCode(ls.GUID, qrSizeDB); ls.QRCode = Tools.imageToByteArray(img);
DB.TAM.ExamsListTableAdapter.Update(inter.IdB.ExamsList);
Application.DoEvents();
//este orden es importante
foreach (DB.ExamsRow re in join)
{
re.EID = ls.EID; //ahora asocia las preguntas a cada examen generado
}
DB.TAM.ExamsTableAdapter.Update(inter.IdB.Exams);
Application.DoEvents();
return(ls);
}
private static void MakeTableBytes <T>(ref T l, string examPath)
{
Type tipo = l.GetType();
byte[] arr2 = null;
// string afile = string.Empty;
if (tipo.Equals(typeof(ExamsListRow)))
{
ExamsListRow ls = l as ExamsListRow;
IEnumerable <ExamsRow> rows = ls.GetExamsRows();
ExamsDataTable exdt = new ExamsDataTable();
foreach (var item in rows)
{
exdt.ImportRow(item);
}
// afile = ExasmPath + ls.EID.ToString();
arr2 = Tables.MakeDTBytes(ref exdt, examPath);
ls.EData = arr2;
}
else if (tipo.Equals(typeof(ExamsRow)))
{
//SAVE COPY OF TABLE
ExamsRow ex = l as ExamsRow;
QuestionsRow q = ex.QuestionsRow;
// afile = ExasmPath + ex.QID.ToString(); IEnumerable<DB.QuestionsRow> shortQlist =
// new List<DB.QuestionsRow>(); ((IList<DB.QuestionsRow>)shortQlist).Add(ex.QuestionsRow);
QuestionsDataTable qdt = new QuestionsDataTable();
qdt.ImportRow(q);
byte[] qarray = Tables.MakeDTBytes(ref qdt, examPath);
ex.QData = qarray;
Dumb.FD(ref qdt);
AnswersDataTable adt = new AnswersDataTable();
IEnumerable <AnswersRow> answ = q.GetAnswersRows();
foreach (var item in answ)
{
adt.ImportRow(item);
}
// afile = ExasmPath + ex.QueToString() + ".xml";
arr2 = Tables.MakeDTBytes(ref adt, examPath);
ex.AData = arr2;
Dumb.FD(ref adt);
}
else if (tipo.Equals(typeof(PreferencesRow)))
{
PreferencesRow p = l as PreferencesRow; //SAVE A COPY OF EXAMS LISTS
IEnumerable <DB.ExamsListRow> rows = p.GetExamsListRows();
ExamsListDataTable dt = new ExamsListDataTable();
foreach (var item in rows)
{
dt.ImportRow(item);
}
// afile = ExasmPath + p.PID.ToString() + ".xml";
arr2 = Tables.MakeDTBytes(ref dt, examPath);
p.ELData = arr2;
Dumb.FD(ref dt);
}
}
private static void makeExamCoupon(ref W.Document doc, string qrCodeJPG, ref ExamsListRow ls, bool showAnswer, string password)
{
string text = string.Empty;
W.Range aux = null;
aux = doc.Paragraphs.Last.Range;
text = "\n\n\n";
text += Resources.CortaCupon;
// text += "\n\n\n";
aux.Text = text;
aux.set_Style(W.WdBuiltinStyle.wdStyleFooter);
aux.InsertParagraphAfter();
doc.Paragraphs.Add(aux);
aux = doc.Paragraphs.Last.Range;
object lastRange = aux;
aux.InlineShapes.AddPicture(qrCodeJPG, ref roObj, ref roObj, ref lastRange);
aux.InlineShapes.AddPicture(ID_FILE, ref roObj, ref roObj, ref lastRange);
aux.set_Style(W.WdBuiltinStyle.wdStyleTitle);
aux.InsertParagraphAfter();
doc.Paragraphs.Add(aux);
aux = doc.Paragraphs.Last.Range;
int cuadros = ls.GetExamsRows().Count();
text = string.Empty;
text += Resources.ExamenRespuesta;
text += " ";
string ahorcado = string.Empty;
int j = 0;
for (int i = 0; i < cuadros; i++)
{
ahorcado += "__ ";
j++;
if (j == 5)
{
ahorcado += "-";
j = 0;
}
}
text += ahorcado;
text += "\n\n";
text += Resources.ExamenRespuesta;
text += " ";
string ahorcadoNr = string.Empty;
j = 0;
for (int i = 0; i < cuadros; i++)
{
int cuenta = i + 1;
ahorcadoNr += cuenta.ToString();
ahorcadoNr += " ";
if (cuenta < 10)
{
ahorcadoNr += " ";
}
j++;
if (j == 5)
{
ahorcadoNr += "-";
j = 0;
}
}
text += ahorcadoNr;
if (showAnswer)
{
text += "\n\n";
text += Resources.ExamenRespuestaCorrecta;
text += "\t";
text += Rsx.Encryption.AESThenHMAC.SimpleDecryptWithPassword(ls.CLAnswer, password, 0);
text += "\n\n";
text += "Encriptada como:\t";
text += ls.CLAnswer;
text += "\n\n";
text += "Examen modelo:\t";
text += ls.GUID;
// text += "\n\n"; text += "Encriptado como:\t"; text += ;
}
aux.Text = text;
aux.set_Style(W.WdBuiltinStyle.wdStyleFooter); /// ESTA ES LA CLAVE!!!
aux.InsertParagraphAfter();
doc.Paragraphs.Add(aux);
}
internal void PopulateExamQuestions(ref ExamsListRow r)
{
// DB.TAM.ExamsTableAdapter.FillByEID(dt, r.EID);
//now find the examsTablewith questions and answers for the EXAM (list)
// if (!r.NeedsExams) return;
// string eid = ExasmPath + r.EID.ToString() + ".xml";
this.Preferences.Clear();
this.Preferences.ImportRow(r.PreferencesRow);
this.Class.Clear();
this.Class.ImportRow(r.PreferencesRow.ClassRow);
this.AYear.Clear();
this.AYear.ImportRow(r.PreferencesRow.AYearRow);
Environment.SpecialFolder dir = Environment.SpecialFolder.InternetCache;
string cache = Environment.GetFolderPath(dir) + "\\";
byte[] auxiliar;
auxiliar = r.EData;
ExamsDataTable dt2 = new ExamsDataTable();
Rsx.Dumb.Tables.ReadDTBytes(cache, ref auxiliar, ref dt2);
this.Exams.Clear();
this.Exams.Merge(dt2);
Rsx.Dumb.Dumb.FD(ref dt2);
this.ExamsList.Clear();
this.ExamsList.ImportRow(r);
r = this.ExamsList.First();
// if (r.NeedsExams) return;
this.Questions.Clear();
IEnumerable <ExamsRow> rows = r.GetExamsRows();
foreach (var item in rows)
{
auxiliar = item.QData;
QuestionsDataTable qdt = new QuestionsDataTable();
Rsx.Dumb.Tables.ReadDTBytes(cache, ref auxiliar, ref qdt);
this.Questions.Merge(qdt);
Rsx.Dumb.Dumb.FD(ref qdt);
}
this.Answers.Clear();
// IEnumerable<ExamsRow> rows = r.GetExamsRows();
foreach (var item in rows)
{
auxiliar = item.AData;
AnswersDataTable adt = new AnswersDataTable();
Rsx.Dumb.Tables.ReadDTBytes(cache, ref auxiliar, ref adt);
this.Answers.Merge(adt);
Rsx.Dumb.Dumb.FD(ref adt);
}
this.AcceptChanges();
}