public ThemeViewModel Get(int?id)
{
Theme theme = Database.Themes.Get(id.Value);
ThemeViewModel themeDTO = MapperFromDB.Map <ThemeViewModel>(theme);
return(themeDTO);
}
public List <ResultFullViewModel> GetLastResults()
{
return(MapperFromDB.Map <IEnumerable <Result>, List <ResultFullViewModel> >
(Database.Results.GetAll().
OrderByDescending(x => x.CreateDate).
Take(5)));
}
public OperationDetails TestPassing(QuestionViewModel question)
{
TimerModule currentTimer = (TimerModule)HttpContext.Current.Application["Timer" + HttpContext.Current.User.Identity.Name];
TempResult tempResult = Database.TempResults.GetAll().
Where(x => x.UserName == HttpContext.Current.User.Identity.Name).
SingleOrDefault();
bool isPass = PassedQuestion(question, ref tempResult);
if (currentTimer.StopWatch.IsRunning && !String.IsNullOrWhiteSpace(tempResult.QuestionPassing))
{
if (isPass)
{
QuestionViewModel nextQuestion = MapperFromDB.Map <Question, QuestionViewModel>
(Database.Questions.Get(tempResult.QuestionPassing.StringStirrer().FirstOrDefault()));
HttpContext.Current.Application["Test" + HttpContext.Current.User.Identity.Name] = nextQuestion.IdQuestion;
return(new OperationDetails(true, nextQuestion));
}
return(new OperationDetails(true, question));
}
else
{
EndTestPassing(tempResult);
return(new OperationDetails(false, null));
}
}
public OperationDetails GetCurrentTestState(int IdQuestion)
{
TempResult tempResult = Database.TempResults.
Find(x => x.UserName == HttpContext.Current.User.Identity.Name).
SingleOrDefault();
int currentId = Int32.Parse(
HttpContext.Current.Application["Test" + HttpContext.Current.User.Identity.Name].ToString());
TimerModule timer = (TimerModule)
HttpContext.Current.Application["Timer" + HttpContext.Current.User.Identity.Name];
if (tempResult != null)
{
if (String.IsNullOrWhiteSpace(tempResult.QuestionsPassed))
{
QuestionViewModel question = MapperFromDB.Map <Question, QuestionViewModel>
(Database.Questions.Get(currentId));
foreach (AnswerViewModel answer in question.Answers)
{
answer.Correct = false;
}
return(new OperationDetails(Math.Round(timer.CurrentInterval().TotalSeconds).ToString(),
question));
}
if (tempResult.QuestionPassing.StringStirrer().
Contains(currentId))
{
QuestionViewModel question = MapperFromDB.Map <Question, QuestionViewModel>
(Database.Questions.Get(currentId));
foreach (AnswerViewModel answer in question.Answers)
{
answer.Correct = false;
}
return(new OperationDetails(Math.Round(timer.CurrentInterval().TotalSeconds).ToString(),
question));
}
else
{
QuestionViewModel question = MapperFromDB.Map <Question, QuestionViewModel>
(Database.Questions.Get(IdQuestion));
foreach (AnswerViewModel answer in question.Answers)
{
answer.Correct = false;
}
return(new OperationDetails(
Math.Round(timer.CurrentInterval().TotalSeconds).ToString(),
question));
}
}
else
{
return(new OperationDetails(false, ""));
}
}
public ResultFullViewModel GetResult(int?id)
{
try
{
return(MapperFromDB.Map <Result, ResultFullViewModel>(Database.Results.Get(id.Value)));
}
catch (Exception e)
{
return(null);
}
}
public QuestionViewModel GetQuestion(int?id)
{
Question question = Database.Questions.Get(id.Value);
if (question != null)
{
return(MapperFromDB.Map <Question, QuestionViewModel>(Database.Questions.Get(id.Value)));
}
else
{
return(null);
}
}
public TestViewModel GetTest(int?id)
{
try
{
Test test = Database.Tests.Get(id.Value);
TestViewModel testDTO = MapperFromDB.Map <TestViewModel>(test);
return(testDTO);
}
catch (Exception e)
{
return(null);
}
}
public QuestionCreateViewModel GetCreationModel(int?id)
{
if (!id.HasValue)
{
QuestionCreateViewModel newQuestion = new QuestionCreateViewModel();
newQuestion.Theme = new SelectList(Database.Themes.GetAll(), "IdTheme", "ThemeName");
newQuestion.Answers = new List <AnswerViewModel>();
for (int i = 0; i < 5; i++)
{
newQuestion.Answers.Add(new AnswerViewModel());
}
return(newQuestion);
}
else
{
if (Database.Questions.Get(id.Value) != null)
{
Question question = Database.Questions.Get(id.Value);
QuestionCreateViewModel updateQuestion = new QuestionCreateViewModel
{
selectedDifficult = question.Difficult,
QuestionText = question.QuestionText,
Answers = MapperFromDB.Map <IEnumerable <Answer>, List <AnswerViewModel> >(question.Answers),
IdQuestion = question.IdQuestion,
ImageMimeType = question.ImageMimeType,
QuestionImage = question.QuestionImage
};
if (question.Theme == null)
{
updateQuestion.selectedTheme = "no theme";
}
else
{
updateQuestion.selectedTheme = question.Theme.ThemeName;
}
updateQuestion.Theme = new SelectList(Database.Themes.GetAll(), "IdTheme", "ThemeName");
return(updateQuestion);
}
else
{
return(null);
}
}
}
public IEnumerable <ThemeViewModel> GetAll()
{
return(MapperFromDB.Map <IEnumerable <Theme>, List <ThemeViewModel> >(Database.Themes.GetAll()));
}
public TestGenerateViewModel GenerateTest(TestGenerateViewModel model)
{
if (model.Create)
{
Test generateTest = new Test
{
Difficult = model.selectedDifficult,
IdTheme = Int32.Parse(model.selectedTheme),
TestDescription = model.TestDescription,
TestName = model.TestName,
CreateDate = DateTime.Now,
Time = new TimeSpan(0, model.selectedTime, 0),
QuestionsNumber = model.selectedNumber,
};
generateTest.Questions = new List <Question>();
foreach (QuestionViewModel question in model.Questions)
{
generateTest.Questions.Add((Database.Questions.Get(question.IdQuestion)));
generateTest.TotalScore += Database.Questions.Get(question.IdQuestion).Score;
}
Database.Tests.Add(generateTest);
Database.Complete();
return(null);
}
else
{
model.Questions.Clear();
Random randomGenerate = new Random();
var questionsId = Database.Questions.GetAll().
Where(x => x.Difficult == model.selectedDifficult &&
x.IdTheme == Int32.Parse(model.selectedTheme)).
Select(x => x.IdQuestion).
OrderBy(x => randomGenerate.Next()).
Take((int)Math.Round(model.selectedNumber * 0.8));
List <int> questions_1 = questionsId.ToList();
var questionsIdAdding = Database.Questions.GetAll().
Where(x => x.Difficult != model.selectedDifficult ||
x.IdTheme != Int32.Parse(model.selectedTheme)).
Select(x => x.IdQuestion).
OrderBy(x => randomGenerate.Next()).
Take(model.selectedNumber - questions_1.Count());
List <int> questions_2 = questionsIdAdding.ToList();
foreach (int id in questions_1.Concat(questions_2))
{
model.Questions.Add(MapperFromDB.Map <QuestionViewModel>(Database.Questions.Get(id)));
}
model.Theme = new SelectList(Database.Themes.GetAll(), "IdTheme", "ThemeName");
return(model);
}
}
