/// <summary>
/// Generate a Junior Level Test
/// </summary>
/// <param name="numberOfQuestions">Number of questions</param>
/// <param name="category">Test category</param>
/// <returns>Generated Test</returns>
public TestModel GetTestWith(int numberOfQuestions, CategoryModel category)
{
var juniorTestQuestions = new List<TestQuestionModel>();
var difficultyEasy = _difficultyLevelRepository.Get(d => d.Difficulty == DifficultyLevelEnum.Easy).SingleOrDefault();
var difficultyMedium = _difficultyLevelRepository.Get(d => d.Difficulty == DifficultyLevelEnum.Medium).SingleOrDefault();
var numberOfEasyQuestions = 70.FloorPercentageOf(numberOfQuestions);
var numberOfMediumQuestions = 30.FloorPercentageOf(numberOfQuestions);
numberOfEasyQuestions += numberOfQuestions - (numberOfEasyQuestions + numberOfMediumQuestions);
var easyQuestions =
_questionRepository
.Get(q => q.CategoryID == category.Id && q.DifficultyLevelID == difficultyEasy.Id)
.Take(numberOfEasyQuestions);
var mediumQuestions =
_questionRepository
.Get(q => q.CategoryID == category.Id && q.DifficultyLevelID == difficultyMedium.Id)
.Take(numberOfMediumQuestions);
juniorTestQuestions = easyQuestions.Union(mediumQuestions).Shuffle().ToList();
return new TestModel()
{
Id = Guid.NewGuid(),
Name = string.Format("{0} Test", category.Name),
Questions = juniorTestQuestions,
};
}
public TestQuestionModel(TestQuestion question)
{
this.Id = question.Id;
CategoryID = question.CategoryID;
Question = question.Question;
DifficultyLevelID = question.DifficultyLevelID;
QuestionAnswerModel = new QuestionAnswerModel(question.QuestionAnswer);
CategoryModel = new CategoryModel(question.Category);
DifficultyLevelModel = new DifficultyLevelModel(question.DifficultyLevel);
}
/// <summary>
/// Generate an Intern Level Test
/// </summary>
/// <param name="numberOfQuestions">Number of questions</param>
/// <param name="category">Test category</param>
/// <returns>Generated Test</returns>
public TestModel GetTestWith(int numberOfQuestions, CategoryModel category)
{
var difficulty = _difficultyLevelRepository.Get(d => d.Difficulty == DifficultyLevelEnum.Easy).SingleOrDefault();
var questions =
_questionRepository
.Get(q => q.CategoryID == category.Id && q.DifficultyLevelID == difficulty.Id)
.Take(numberOfQuestions).ToList();
return new TestModel()
{
Id = Guid.NewGuid(),
Name = string.Format("{0} Test", category.Name),
Questions = questions,
};
}
/// <summary>
/// Generate a Senior Level Test
/// </summary>
/// <param name="numberOfQuestions">Number of questions</param>
/// <param name="category">Test category</param>
/// <returns>Generated Test</returns>
public TestModel GetTestWith(int numberOfQuestions, CategoryModel category)
{
var seniorTestQuestions = new List<TestQuestionModel>();
var difficultyEasy = _difficultyLevelRepository.Get(d => d.Difficulty == DifficultyLevelEnum.Easy).SingleOrDefault();
var difficultyMedium = _difficultyLevelRepository.Get(d => d.Difficulty == DifficultyLevelEnum.Medium).SingleOrDefault();
var difficultyHard = _difficultyLevelRepository.Get(d => d.Difficulty == DifficultyLevelEnum.Hard).SingleOrDefault();
var difficultyVeryHard = _difficultyLevelRepository.Get(d => d.Difficulty == DifficultyLevelEnum.VeryHard).SingleOrDefault();
///TODO: we can refine this more by making a testgenerateRuleEngine so could ask to generate 10% easy, 50% hard, 30% hard, 10% very hard and TestGenerateFactory basically
/// generates it. Eliminates all these classes
var numberOfEasyQuestions = 10.FloorPercentageOf(numberOfQuestions);
var numberOfMediumQuestions = 50.FloorPercentageOf(numberOfQuestions);
var numberOfHardQuestions = 30.FloorPercentageOf(numberOfQuestions);
var numberOfVeryHardQuestions = 10.FloorPercentageOf(numberOfQuestions);
numberOfHardQuestions += numberOfQuestions -
(numberOfEasyQuestions +
numberOfMediumQuestions +
numberOfHardQuestions +
numberOfVeryHardQuestions);
IList<TestQuestionModel> easyQuestions = new List<TestQuestionModel>();
if (difficultyEasy != null)
{
easyQuestions =
_questionRepository
.Get(q => q.CategoryID == category.Id && q.DifficultyLevelID == difficultyEasy.Id)
.Take(numberOfEasyQuestions)
.ToList();
}
IList<TestQuestionModel> mediumQuestions = new List<TestQuestionModel>();
if (difficultyMedium != null)
{
mediumQuestions =
_questionRepository
.Get(q => q.CategoryID == category.Id && q.DifficultyLevelID == difficultyMedium.Id)
.Take(numberOfMediumQuestions)
.ToList();
}
IList<TestQuestionModel> hardQuestions = new List<TestQuestionModel>();
if (difficultyHard != null)
{
hardQuestions =
_questionRepository
.Get(q => q.CategoryID == category.Id && q.DifficultyLevelID == difficultyHard.Id)
.Take(numberOfHardQuestions)
.ToList();
}
IList<TestQuestionModel> veryHardQuestions = new List<TestQuestionModel>();
if (difficultyVeryHard != null)
{
veryHardQuestions =
_questionRepository
.Get(q => q.CategoryID == category.Id && q.DifficultyLevelID == difficultyVeryHard.Id)
.Take(numberOfVeryHardQuestions)
.ToList();
}
seniorTestQuestions =
easyQuestions
.Union(mediumQuestions)
.Union(hardQuestions)
.Union(veryHardQuestions).Shuffle().ToList();
return new TestModel()
{
Id = Guid.NewGuid(),
Name = string.Format("{0} Test", category.Name),
Questions = seniorTestQuestions,
};
}