From: Jan Szejko <janek37@gmail.com>
Date: Tue, 16 Jan 2018 11:14:13 +0000 (+0100)
Subject: fix field counts
X-Git-Url: https://git.mdrn.pl/edumed.git/commitdiff_plain/38be7e54873c139e95ac51842c77d6d145710b46

fix field counts
---

diff --git a/stage2/models.py b/stage2/models.py
index a5815fd..4a5b103 100644
--- a/stage2/models.py
+++ b/stage2/models.py
@@ -93,6 +93,15 @@ class Assignment(models.Model):
             answers = answers.filter(need_arbiter=True)
         return answers
 
+    def field_counts(self, answers):
+        for field_desc in self.field_descriptions:
+            field_name, params = field_desc
+            if params['type'] == 'options':
+                field_count = FieldOption.objects.filter(answer__in=list(answers), set__name=params['option_set']).count()
+            else:  # text, link
+                field_count = sum(1 for answer in answers if answer.field_values.get(field_name))
+            yield field_name, field_count
+
     def is_active(self):
         return self.deadline >= timezone.now()
 
@@ -118,7 +127,7 @@ class Answer(models.Model):
                 value = self.field_values.get(field_name, '')
             if params['type'] == 'link':
                 value = format_html(u'<a href="{url}">{url}</a>', url=value)
-            yield (field_name, value)
+            yield field_name, value
 
     def update_complete(self):
         marks = self.mark_set.all()
diff --git a/stage2/views.py b/stage2/views.py
index 22eeda4..825be9e 100644
--- a/stage2/views.py
+++ b/stage2/views.py
@@ -156,6 +156,7 @@ def answer_list(request, assignment_id):
     return render(request, 'stage2/answer_list.html', {
         'answers': answers,
         'assignment': assignment,
+        'field_counts': assignment.field_counts(answers)
     })