Reimplemented quiz_questionnaire.rb (expertiza#117)

* Reimplemented quiz_questionnaire.rb

* Update quiz_questionnaire.rb

---------

Co-authored-by: Ameya Vaichalkar <[email protected]>

app/models/quiz_questionnaire.rb

@@ -0,0 +1,24 @@
+class QuizQuestionnaire < Questionnaire
+    attr_accessor :questionnaire
+    after_initialize :post_initialization
+
+    def post_initialization
+      self.display_type = 'Quiz'
+    end
+
+    def symbol
+      'quiz'.to_sym
+    end
+
+    def get_assessments_for(participant)
+        participant.quizzes_taken
+    end
+
+    def taken_by_anyone?
+        !ResponseMap.where(reviewed_object_id: id, type: 'QuizResponseMap').empty?
+    end
+
+    def taken_by?(participant)
+        !ResponseMap.where(reviewed_object_id: id, type: 'QuizResponseMap', reviewer_id: participant.id).empty?
+    end
+end