public ExamEntity getExambyname(string nombreexamen, int numPreguntas)
{
ExamBL exambl = new ExamBL();
List <ResponseEntity> correctas = new List <ResponseEntity>();
List <ResponseEntity> incorrectas = new List <ResponseEntity>();
QuestionBL questionbl = new QuestionBL();
ResponseBL responsebl = new ResponseBL();
ExamEntity exam = exambl.getexambyname(nombreexamen, numPreguntas);
List <QuestionEntity> questions = questionbl.GetQuestionsByExamID(exam.idexamen, numPreguntas);
foreach (QuestionEntity question in questions)
{
List <ResponseEntity> responses = responsebl.GetResponseFromQuestionID(question.idPregunta);
foreach (ResponseEntity res in responses)
{
if (res.RespuestaCorrecta > 0)
{
correctas.Add(res);
}
else if (res.RespuestaCorrecta < 1)
{
incorrectas.Add(res);
}
}
exam.correctas = correctas;
exam.incorrectas = incorrectas;
}
return(exam);
}
public List <QuestionEntity> GetquestionWithResponses(string course, string area, int questionnumber)
{
QuestionBL questionBL = new QuestionBL();
ResponseBL responseBL = new ResponseBL();
List <QuestionEntity> questions = questionBL.GetquestionWithResponses(course, area, questionnumber);
foreach (QuestionEntity que in questions)
{
que.responses = responseBL.GetResponsesFromQuestion(que);
}
return(questions);
}
public ResultExamStudentEntity CalificateQuestions(List <QuestionEntity> questions, string curso, string area, string nombreusuario, string documento)
{
List <QuestionEntity> questionsInDB = new List <QuestionEntity>();
QuestionBL questionBL = new QuestionBL();
int totalPregunta = questions.Count;
int totalcorrecto = 0;
double totalcorrectasporexamen = 0;
ResultExamStudentEntity resultExam = new ResultExamStudentEntity();
resultExam.questionsStudent = questions;
ResponseBL responseBL = new ResponseBL();
foreach (QuestionEntity que in questions)
{
ResponseEntity response = new ResponseEntity();
QuestionEntity question = new QuestionEntity();
question = questionBL.Getstudentquestions(curso, area, que.descripcionPregunta);
response = responseBL.GetCorrectResponseFromQuestion(question);
question.respuestaDBCorrecta = response;
if (question.respuestaDBCorrecta.DescripcionRespuesta == que.RespuestaUsuario.DescripcionRespuesta)
{
totalcorrecto++;
}
questionsInDB.Add(question);
}
resultExam.QuestionDB = questionsInDB;
totalcorrectasporexamen = (totalcorrecto * 5) / totalPregunta;
resultExam.puntaje = totalcorrectasporexamen;
UserBL userbl = new UserBL();
CourseBL courseBL = new CourseBL();
UserEntity user = userbl.GetUser(nombreusuario, documento);
CourseEntity course = courseBL.GetCourse(curso, area);
EstudianteCursoBL estudianteCursoBL = new EstudianteCursoBL();
estudianteCursoBL.GuardarCalificacion(user, course, totalcorrectasporexamen);
return(resultExam);
}
public bool insertQuestionResponses(QuestionListResponsesEntity questionResponses)
{
bool inserto = false;
int counttrue = 0;
ResponseBL questionResponseBL = new ResponseBL();
foreach (ResponseEntity questionResponse in questionResponses.questionresponses)
{
inserto = false;
inserto = questionResponseBL.insertQuestionResponses(questionResponse);
if (inserto == true)
{
counttrue++;
}
}
if (counttrue > 0)
{
return(true);
}
else
{
return(false);
}
}