private static void AddCategory()
{
var category = new Category();
Console.WriteLine("Podaj nazwę kategorii");
string categoryName = Console.ReadLine();
category.CategoryName = categoryName;
using (var context = new ExamContext())
{
var myCategory = context.Categories.FirstOrDefault(a => a.CategoryName == categoryName);
if (myCategory == null)
{
myCategory = new Category();
myCategory.CategoryName = categoryName;
context.Categories.Add(myCategory);
context.SaveChanges();
}
else
{
Console.WriteLine("Taka kategoria juz istnieje");
}
}
}
private static Category CheckCategory(ExamContext context)
{
Category category = null;
bool isCategoryCorrect = false;
do
{
Console.WriteLine("Podaj nazwę kategorii:");
string categoryName = Console.ReadLine();
var checkedCategory = context.Categories.FirstOrDefault(a => a.CategoryName == categoryName);
if (checkedCategory == null)
{
Console.WriteLine("Nie ma takiej kategorii. Podaj prawidłowa kategorie.");
}
else
{
category = checkedCategory;
isCategoryCorrect = true;
}
} while (!isCategoryCorrect);
return(category);
}
private static void TakeTest()
{
ResultsSaving.Result result = new ResultsSaving.Result();
Console.Clear();
int goodAnsw = 0, numberOfQuestions;
using (var context = new ExamContext())
{
Category category = CheckCategory(context);
foreach (var question in category.Questions)
{
Console.WriteLine(question);
foreach (var answer in RandomPermutation(question.Answers))
{
Console.WriteLine(answer);
}
Console.WriteLine("Twoja odpowiedz:");
var userAnswer = Console.ReadLine();
Answer usAnswer;
usAnswer = question.Answers.FirstOrDefault(a => a.SingleAnswer
.Equals(userAnswer, StringComparison.CurrentCultureIgnoreCase) &&
a.isAnswerCorrect);
if (usAnswer != null)
{
goodAnsw++;
}
else
{
Console.WriteLine("Błędna odpowiedź");
}
}
numberOfQuestions = category.Questions.Count();
result.CategoryOfExam = category.CategoryName;
}
result.GoodAnswers = goodAnsw;
result.AllQuestions = numberOfQuestions;
Saving.ResultsList.Add(result);
Console.WriteLine(result);
Saving.SerializeResult();
}
private static void AddQuestion()
{
using (var context = new ExamContext())
{
var category = CheckCategory(context);
var question = new Question();
Console.WriteLine("Podaj pytanie");
question.SingleQuestion = Console.ReadLine();
question.Cat = category;
context.Questions.Add(question);
context.SaveChanges();
Console.WriteLine("Pytanie zostalo dodane");
for (int i = 1; i <= 4; i++)
{
var answer = new Answer();
if (i == 1)
{
Console.WriteLine("Podaj prawidłową odpowiedź");
string myAnswer = Console.ReadLine();
answer.SingleAnswer = myAnswer;
answer.isAnswerCorrect = true;
}
else
{
Console.WriteLine($"Podaj {i} błędą odpowiedź");
string myAnswer = Console.ReadLine();
answer.SingleAnswer = myAnswer;
answer.isAnswerCorrect = false;
}
answer.Quest = question;
context.Answers.Add(answer);
}
context.SaveChanges();
}
}
