public function show($topicName, $questionNumber)
{
$topic = Topic::where('name', '=', $topicName)->first();
// may needs to be refactored, may check sql queries
$question = Question::getByTopicAndQuestionNumber($topic, $questionNumber);
$answers = $question->answers()->get();
$nextQuestionLink = $question->nextQuestionLink($topic, $questionNumber);
return view('quiz.show')->with(['questionNumber' => $questionNumber, 'topic' => $topic, 'question' => $question, 'answers' => $answers, 'next' => $nextQuestionLink]);
}
