public QuizService(IModelFactory modelFactory, IQuizRepository quizRepository, IQuizQuestionRepository quizQuestionRepository, IQuestionRepository questionRepository, ICourseRepository courseRepository, IQuizPagesRepository quizPagesRepository) { _modelFactory = modelFactory; _quizRepository = quizRepository; _quizQuestionRepository = quizQuestionRepository; _questionRepository = questionRepository; _courseRepository = courseRepository; _quizPagesRepository = quizPagesRepository; }