.

anatomy/forms.py

@@ -113,8 +113,15 @@ class AnatomyQuestionForm(ModelForm):
         instance = ModelForm.save(self, False)
         instance.save()
 
-        for exam in self.cleaned_data["exams"]:
-            exam.exam_questions.add(instance)
+        old_exams = instance.exams.all()
+
+        new_exams = self.cleaned_data["exams"]
+
+        for exam in old_exams:
+            if exam in new_exams:
+                exam.exam_questions.add(instance)
+            else:
+                exam.exam_questions.remove(instance)
 
         self.save_m2m()
 

anatomy/views.py

@@ -855,10 +855,10 @@ class AnatomyQuestionUpdate(RevisionMixin, AuthorOrCheckerRequiredMixin, UpdateV
     def form_valid(self, form):
 
         # save exam orders (there must be a better way to do this)
-        exam_orders = {}
-        for exam in self.object.exams.all():
-            exam_orders[exam] = list(exam.exam_questions.all())
-            print(exam_orders[exam])
+        #exam_orders = {}
+        #for exam in self.object.exams.all():
+        #    exam_orders[exam] = list(exam.exam_questions.all())
+        #    print(exam_orders[exam])
 
         self.object = form.save(commit=False)
         self.object.save()
@@ -874,11 +874,11 @@ class AnatomyQuestionUpdate(RevisionMixin, AuthorOrCheckerRequiredMixin, UpdateV
             formset.save()
 
             # restore exam orders
-            for exam in self.object.exams.all():
-                if exam in exam_orders and self.object in exam_orders[exam]:
-                    print(exam_orders[exam])
-                    exam.exam_questions.set(exam_orders[exam])
-                    exam.save()
+            #for exam in self.object.exams.all():
+            #    if exam in exam_orders and self.object in exam_orders[exam]:
+            #        print(exam_orders[exam])
+            #        exam.exam_questions.set(exam_orders[exam])
+            #        exam.save()
 
             return response
         else: