many improvement

anatomy/models.py

@@ -3,6 +3,7 @@ from django.utils import timezone
 
 from django.core.files.storage import FileSystemStorage
 from django.conf import settings
+from django.utils.html import format_html
 
 from django.urls import reverse
 
@@ -106,21 +107,21 @@ class AnatomyQuestion(models.Model):
 
         if not unmarked_answers:
             return "No answers to mark"
-        return "{} answer unmarked: {}".format(len(unmarked_answers),
-                                               ", ".join(unmarked_answers))
+        return format_html("<span class='warn'>{} answer unmarked:</span> {}".format(len(unmarked_answers),
+                                               ", ".join(unmarked_answers)))
 
     def GetUnmarkedAnswers(self):
-        user_answers = set([i.answer for i in self.user_answers.all()])
+        user_answers = set([i.answer.lower() for i in self.cid_user_answers.all()])
         unmarked_answers = user_answers - self.GetMarkedAnswers()
 
         return unmarked_answers
 
     def GetMarkedAnswers(self):
-        correct_answers = set([i.answer for i in self.answers.all()])
+        correct_answers = set([i.answer.lower() for i in self.answers.all()])
         half_mark_answers = set(
-            [i.answer for i in self.half_mark_answers.all()])
+            [i.answer.lower() for i in self.half_mark_answers.all()])
         incorrect_answers = set(
-            [i.answer for i in self.incorrect_answers.all()])
+            [i.answer.lower() for i in self.incorrect_answers.all()])
 
         marked_answers = correct_answers | half_mark_answers | incorrect_answers
         return marked_answers