public static Test CreateTest()
{
Test test = new Test();
test.Questions = new List <Question>();
Console.WriteLine("*** Creating Test ***");
Console.WriteLine("Enter a title");
test.Title = Console.ReadLine();
Console.WriteLine("Enter a description");
test.Description = Console.ReadLine();
Console.WriteLine("There is a topics you can choose...\n");
Topic topic = null;
do
{
TreeStructureTopics treeStructure = new TreeStructureTopics();
treeStructure.GetTreeTopic();
Console.WriteLine("Choose the one of them and write name of topic below...");
string topicName = Console.ReadLine();
var existingTopic = treeStructure.GetTopicName(topicName);
if (existingTopic == null)
{
Console.WriteLine("!Please, write the name one of topics given below!\n" +
$"----Uncurrect topic '{topicName}'");
}
topic = existingTopic;
} while (topic == null);
test.Topic = topic.Name;
string isTimerExist;
Console.WriteLine("Do you want to have a timer in your test? y/n");
do
{
isTimerExist = Console.ReadLine();
if (isTimerExist.ToLower() == "y")
{
int timerHours;
int timerMinutes;
int timerSeconds;
string userTime;
int userParsedTime;
bool isConverted;
do
{
Console.WriteLine("Please, enter a hours");
userTime = Console.ReadLine();
isConverted = int.TryParse(userTime, out userParsedTime);
} while (isConverted == false);
timerHours = userParsedTime;
do
{
Console.WriteLine("Please, enter a minutes");
userTime = Console.ReadLine();
isConverted = int.TryParse(userTime, out userParsedTime);
} while (isConverted == false);
timerMinutes = userParsedTime;
do
{
Console.WriteLine("Please, enter a seconds");
userTime = Console.ReadLine();
isConverted = int.TryParse(userTime, out userParsedTime);
} while (isConverted == false);
timerSeconds = userParsedTime;
test.Time = new TimeSpan(timerHours, timerMinutes, timerSeconds);
break;
}
else
{
if (isTimerExist.ToLower() == "n")
{
break;
}
else
{
Console.WriteLine("Please,enter 'y' or 'n' to continue...");
}
}
} while (isTimerExist != "y" & isTimerExist != "no");
bool userAnsw = true;
do
{
Console.WriteLine("Please add a question in your test...");
string userQuestion = Console.ReadLine();
Console.WriteLine("Please, add a answer to the question below...");
string answerToUserQuestion = Console.ReadLine();
test.Questions.Add(new Question()
{
Body = userQuestion,
Answer = new Answer {
Body = answerToUserQuestion
}
});
Console.WriteLine("Do you want to create one more question? y/n");
do
{
var userEnter = Console.ReadLine();
if (userEnter.ToLower() == "y")
{
userAnsw = true;
break;
}
else
{
if (userEnter.ToLower() == "n")
{
userAnsw = false;
}
else
{
Console.WriteLine("Please,enter 'y' or 'n' to continue...");
userAnsw = true;
}
}
} while (userAnsw == true);
} while (userAnsw == true);
return(test);
}
public static Test UpdateTest(int testId)
{
TestRepository testRepository = new TestRepository();
Test updatedtest = testRepository.GetTestById(testId);
Console.WriteLine("***Test updating***\n");
Console.WriteLine("Please, enter a new title");
string newTitle = Console.ReadLine();
updatedtest.Title = newTitle;
Console.WriteLine("Please, enter a new description");
string newDescription = Console.ReadLine();
updatedtest.Description = newDescription;
Console.WriteLine("There are available topics, that you can choose.\n");
TreeStructureTopics treeStructureTopics = new TreeStructureTopics();
Topic topic = null;
do
{
treeStructureTopics.GetTreeTopic();
Console.WriteLine("*Choose a new topic/sub-topic/ sub-subTopic of this test and write it below this text*\n");
string topicName = Console.ReadLine();
var existingTopic = treeStructureTopics.GetTopicName(topicName);
if (existingTopic == null)
{
Console.WriteLine("!Please, write the name one of topics given below!\n" +
$"----Uncurrect topic '{topicName}'");
}
topic = existingTopic;
} while (topic == null);
updatedtest.Topic = topic.Name;
string isTimerExist;
Console.WriteLine("Do you want to update a timer in your test? y/n");
do
{
Console.WriteLine($"Current time in this test is set to: {updatedtest.Time} ");
isTimerExist = Console.ReadLine();
if (isTimerExist.ToLower() == "y")
{
int timerHours;
int timerMinutes;
int timerSeconds;
string userTime;
int userParsedTime;
bool isConverted;
do
{
Console.WriteLine("Please, enter a hours");
userTime = Console.ReadLine();
isConverted = int.TryParse(userTime, out userParsedTime);
} while (isConverted == false);
timerHours = userParsedTime;
do
{
Console.WriteLine("Please, enter a minutes");
userTime = Console.ReadLine();
isConverted = int.TryParse(userTime, out userParsedTime);
} while (isConverted == false);
timerMinutes = userParsedTime;
do
{
Console.WriteLine("Please, enter a seconds");
userTime = Console.ReadLine();
isConverted = int.TryParse(userTime, out userParsedTime);
} while (isConverted == false);
timerSeconds = userParsedTime;
updatedtest.Time = new TimeSpan(timerHours, timerMinutes, timerSeconds);
break;
}
else
{
if (isTimerExist.ToLower() == "n")
{
updatedtest.Time = default;
break;
}
else
{
Console.WriteLine("Please,enter 'y' or 'n' to continue...");
}
}
} while (isTimerExist != "y" & isTimerExist != "no");
bool exitFromQuestionChanges = default;
do
{
string selectedFunction;
bool isUserStringParsed;
int chosenFunction;
do
{
Console.WriteLine(@"You can take the following functions :
1) delete existing questions by ID
2) delete all existing questions
3) add questions to existing");
selectedFunction = Console.ReadLine();
isUserStringParsed = int.TryParse(selectedFunction, out chosenFunction);
if (string.IsNullOrWhiteSpace(selectedFunction))
{
Console.WriteLine("!!!Alert!!!\n Empty input, please choose something");
}
else
{
if (!isUserStringParsed)
{
Console.WriteLine($"!!!Alert!!!\n {selectedFunction} is not a number, please, try again..");
}
else
{
if ((chosenFunction > 3 || chosenFunction < 1))
{
Console.WriteLine("Incorrect number, try a different");
}
}
}
} while (!isUserStringParsed || (chosenFunction > 3 || chosenFunction < 1));
switch (selectedFunction)
{
case "1":
bool isParsed;
Question deletedItemQuestion;
// Answer deletedItemAnswer;
string userContinue;
bool isExistingQuestion = true;
do
{
if (updatedtest.Questions.Count == 0)
{
Console.WriteLine("This test has no questions...");
break;
}
Console.WriteLine("Existing questions in this test :");
foreach (var questions in updatedtest.Questions)
{
Console.WriteLine($"{questions.Id})-{questions.Body}");
}
do
{
Console.WriteLine("Enter the id of question you want to delete");
isParsed = int.TryParse(Console.ReadLine(), out int questionId);
if (isParsed)
{
deletedItemQuestion = updatedtest.Questions.Where(x => x.Id == questionId).FirstOrDefault();
if (deletedItemQuestion == null)
{
Console.WriteLine("This id is not correct");
isExistingQuestion = false;
}
else
{
testRepository.DeleteQuestionsById(questionId, updatedtest.Id);
Console.WriteLine("Item succesufully deleted");
isExistingQuestion = true;
}
}
else
{
Console.WriteLine("This is not a number, please, enter a number");
isExistingQuestion = false;
}
} while (isParsed != true || isExistingQuestion != true);
Console.WriteLine("Do you want to continue delete existing questions? y/n");
do
{
userContinue = Console.ReadLine();
if (userContinue.ToLower() == "n")
{
Console.WriteLine("Exit from updating questons...");
}
else
{
if (userContinue.ToLower() == "y")
{
Console.WriteLine("Continue...");
}
else
{
Console.WriteLine("Uncorrect enter, please, enter y or n");
}
}
} while (userContinue != "y" && userContinue != "n");
if (updatedtest.Questions.Count == 0)
{
Console.WriteLine("This test has no questions...");
break;
}
} while (userContinue.ToLower() != "n");
break;
case "2":
testRepository.DeleteAllQuestionsAndAnswers(updatedtest.Id);
Console.WriteLine("All questions and asnwers has been removed");
break;
case "3":
bool userAnsw = true;
do
{
Console.WriteLine("Please add a question in your test...");
string userQuestion = Console.ReadLine();
Console.WriteLine("Please, add a answer to the question below...");
string answerToUserQuestion = Console.ReadLine();
updatedtest.Questions.Add(new Question
{
Body = userQuestion,
Answer = new Answer {
Body = answerToUserQuestion
}
});
Console.WriteLine("Do you want to create one more question? y/n");
do
{
var userEnter = Console.ReadLine();
if (userEnter.ToLower() == "y")
{
userAnsw = true;
break;
}
else
{
if (userEnter.ToLower() == "n")
{
Console.WriteLine(" You have added new questions...\n");
userAnsw = false;
}
else
{
Console.WriteLine("Please,enter 'y' or 'n' to continue...");
userAnsw = true;
}
}
} while (userAnsw == true);
} while (userAnsw == true);
testRepository.UpdateTest(updatedtest);
break;
default:
break;
}
Console.WriteLine("Do you wanna to continue make changes in questions? y/n");
string userDesision;
do
{
userDesision = Console.ReadLine();
if (userDesision.ToLower() == "n")
{
Console.WriteLine("Exit from questions changes");
exitFromQuestionChanges = false;
break;
}
else
{
if (userDesision.ToLower() == "y")
{
Console.WriteLine("Continue updating questions...");
exitFromQuestionChanges = true;
}
else
{
Console.WriteLine("Please, enter y or n to continue...");
}
}
} while (userDesision.ToLower() != "n" && userDesision.ToLower() != "y");
} while (exitFromQuestionChanges != false);
return(updatedtest);
}
