public IResult <IEnumerable <QuestionAnswers> > GetNumberOfQuestionsByChapter(string chapterName, int numberOfQuestions)
{
var list = new Dictionary <int, QuestionAnswers>();
var result = new Result <IEnumerable <QuestionAnswers> >();
try
{
using (SqlConnection connection = new SqlConnection())
{
connection.ConnectionString = _connectionString;
using (SqlCommand command = new SqlCommand())
{
command.Connection = connection;
command.CommandType = System.Data.CommandType.StoredProcedure;
command.CommandText = "GetNumberOfQuestionsByChapter";
command.Parameters.AddWithValue("@ChapterName", chapterName);
command.Parameters.AddWithValue("@numberOfQuestions", numberOfQuestions);
connection.Open();
var reader = command.ExecuteReader();
while (reader.Read())
{
QuestionAnswers questionAnswers = new QuestionAnswers();
questionAnswers.SetQuestion(reader["Question"].ToString());
int questionId = (int)reader["QuizId"];
list[questionId] = questionAnswers;
}
}
}
foreach (var keyValuePair in list)
{
keyValuePair.Value.SetAnswers(GetAnswersForQuestion(keyValuePair.Key));
}
result.IsSucess = true;
result.Data = list.Values;
}
catch (Exception ex)
{
result.IsSucess = false;
result.ErrorMessage = ex.Message;
}
return(result);
}
public IResult <IEnumerable <QuestionAnswers> > GetQuestionsByChapter(string chapterName)
{
IResult <IEnumerable <QuestionAnswers> > result = new Result <IEnumerable <QuestionAnswers> >();
if (_fileData == null)
{
throw new ArgumentNullException();
}
try
{
TextReader textReader = new StringReader(_fileData);
var doc = XDocument.Load(textReader);
var questionAnswersList = doc.Descendants("Chapter")
.Where(x => x.Attribute("ChapterName").Value == chapterName)
.Elements("Quiz").OrderBy(x => Guid.NewGuid()).ToList();
var list = new List <QuestionAnswers>();
foreach (var questionAnswers in questionAnswersList)
{
QuestionAnswers questionAnswer = new QuestionAnswers();
questionAnswer.SetQuestion(questionAnswers.Attribute("Question").Value);
List <Answer> answers = new List <Answer>();
var ansList = questionAnswers.Elements("Answer")
.Select(a => new Answer()
{
AnswerValue = a.Attribute("Answer").Value,
IsCorrect = int.Parse(a.Attribute("IsCorrectAnswer").Value) == 1 ? true : false
}).ToList();
questionAnswer.SetAnswers(ansList.OrderBy(x => Guid.NewGuid()).Take(ansList.Count).ToList());
list.Add(questionAnswer);
}
result.Data = list.ToList();
result.IsSucess = true;
}
catch (Exception ex)
{
result.IsSucess = false;
result.ErrorMessage = ex.Message;
}
return(result);
}
private List <QuestionAnswers> LoadQuestionAnswers()
{
List <QuestionAnswers> questionAnswers = new List <QuestionAnswers>();
QuestionAnswers question1 = new QuestionAnswers();
question1.SetQuestion("What is name of the capital of Ontrario?");
question1.Result = true;
question1.SetAnswers(
new List <Answer>()
{
new Answer()
{
IsCorrect = true, AnswerValue = "Toronto"
},
new Answer()
{
IsCorrect = false, AnswerValue = "Qubec"
},
new Answer()
{
IsCorrect = false, AnswerValue = "Minitoba"
},
new Answer()
{
IsCorrect = false, AnswerValue = "New Brunswick"
}
});
QuestionAnswers question2 = new QuestionAnswers();
question2.SetQuestion("When was Magna Carta siged?");
question2.Result = true;
question2.SetAnswers(
new List <Answer>()
{
new Answer()
{
IsCorrect = false, AnswerValue = "1218"
},
new Answer()
{
IsCorrect = false, AnswerValue = "1261"
},
new Answer()
{
IsCorrect = true, AnswerValue = "1215"
},
new Answer()
{
IsCorrect = false, AnswerValue = "1230"
}
});
QuestionAnswers question3 = new QuestionAnswers();
question3.SetQuestion("Who is the prime minister of Canada?");
question3.Result = false;
question3.SetAnswers(
new List <Answer>()
{
new Answer()
{
IsCorrect = false, AnswerValue = "John Wich"
},
new Answer()
{
IsCorrect = true, AnswerValue = "Justin Trudu"
},
new Answer()
{
IsCorrect = false, AnswerValue = "John Terry"
},
new Answer()
{
IsCorrect = false, AnswerValue = "Total Stranger"
}
});
questionAnswers.Add(question1);
questionAnswers.Add(question2);
questionAnswers.Add(question3);
return(questionAnswers);
}
public void ShouldHaveAQuestion()
{
sut.SetQuestion("Whats My Name?");
Assert.IsNotNull(sut.Question);
}
