public static List <Model.QnA> GenerateQnA(string quizId, string courseId, string lessonName, string username)
{
var result = new List <Model.QnA>();
try
{
IDataProvider data = new MongoDataProvider();
var course = data.Get <DAL.Course>("_id", courseId);
var quiz = data.Get <DAL.Quiz>("_id", quizId);
Model.QnA source = null;
if (quiz.Type == "Upisivanje")
{
source = new Model.QnAUpisivanje();
}
else if (quiz.Type == "Izbor")
{
source = new Model.QnAIzbor();
}
else if (quiz.Type == "VišestrukiIzbor")
{
source = new Model.QnAVisestruki();
}
else
{
result = null;
}
return(source.GenerateQnA(course, username, lessonName, quiz));
}
catch (Exception)
{
return(null);
}
}
public static string CheckToken(string token)
{
IDataProvider data = new MongoDataProvider();
// Fetch session from DB
var session = data.Get <Session>("Id", token);
// if there is any, check TTE
if (session != null && session.Id != "")
{
// if TTE is alright, return email of the current user
if (session.TTE > DateTime.Now)
{
return(session.Email);
}
else
{
DeleteToken(token);
return("");
}
}
else
{
return("");
}
}
public void GetDALUser()
{
IDataProvider data = new MongoDataProvider();
Model.User ModelUser = data.Get <DAL.User>("Email", "*****@*****.**");
Assert.AreEqual(ModelUser.Email, "*****@*****.**");
}
public async Task GetShouldRetrieveAllQuestions()
{
await SetupTestQuestions();
var result = await _provider.Get(-1, 0, null);
Assert.AreEqual(4, result.Count);
}
public static Course GetCourse(string id)
{
try
{
var course = new Course();
IDataProvider data = new MongoDataProvider();
course.ModelCourse = data.Get <DAL.Course>("_id", id);
return(course);
}
catch (Exception)
{
return(null);
}
}
public static Word GetWord(string wordId)
{
try
{
IDataProvider data = new MongoDataProvider();
var word = new Word();
word.ModelWord = data.Get <DAL.Word>("_id", wordId);
return(word);
}
catch (Exception)
{
return(null);
}
}
public static User Get(string email)
{
try
{
IDataProvider data = new MongoDataProvider();
var user = new User();
user.ModelUser = data.Get <DAL.User>("Email", email);
return(user);
}
catch (Exception)
{
return(null);
}
}
public static bool SubscribeUserToCourse(string userMail, string courseId)
{
try
{
var course = new Course();
IDataProvider data = new MongoDataProvider();
course.ModelCourse = data.Get <DAL.Course>("_id", courseId);
// Obrati pozornost na to da ne želiš da ti se korisnik može subscribeat 2x
if (course.ModelCourse.Subscribed.Contains(userMail))
{
return(true);
}
return(DAL.Course.SubscribeUser(userMail, courseId));
}
catch (Exception)
{
return(false);
}
}
public static bool UnsubscribeUserFromCourse(string userMail, string courseId)
{
try
{
var course = new Course();
IDataProvider data = new MongoDataProvider();
course.ModelCourse = data.Get <DAL.Course>("_id", courseId);
// Ne bi trebao biti slučaj, ali ako korisnik nije subscribean onda je sve ok
if (!course.ModelCourse.Subscribed.Contains(userMail))
{
return(true);
}
return(DAL.Course.UnsubscribeUser(userMail, courseId));
}
catch (Exception)
{
return(false);
}
}
public string Login()
{
IDataProvider data = new MongoDataProvider();
// Get the user info
var user = data.Get <DAL.User>("Email", Email);
// Now hashing the given password and compare hashes
string hash = Hasher.GetHash(Password, user.Basil);
// Correct - setup token
if (user.Password == hash)
{
string sessionToken = GetToken(user.Email);
return(sessionToken);
}
// False - return error
else
{
return("");
}
}
public static bool AddLessonToCourse(string courseId, Model.Lesson lesson)
{
try
{
var course = new Course();
IDataProvider data = new MongoDataProvider();
course.ModelCourse = data.Get <DAL.Course>("_id", courseId);
// ne smiju biti 2 lekcije istog imena
foreach (var courseLesson in course.ModelCourse.Lessons)
{
if (courseLesson.Name == lesson.Name)
{
throw new Exception("AlreadyExists");
}
}
return(DAL.Course.AddLesson(lesson, courseId));
}
catch (Exception)
{
return(false);
}
}
public void NotNullCollections()
{
var provider = MongoDataProvider.Get("MessageBoard");
var test = provider.GetCollection("MessageBoard");
}
public void TestMethod1()
{
Assert.IsNotNull(MongoDataProvider.Get("MessageBoard"));
}