change exercises
[edumed.git] / wtem / management / commands / wtem_assign_submissions.py
index 2ec816e..7ff1af2 100644 (file)
@@ -1,24 +1,46 @@
+from optparse import make_option
+
 from django.core.management.base import BaseCommand, CommandError
 from django.db.models import Count
 from django.contrib.auth.models import User
 
 from contact.models import Contact
-from wtem.models import Submission
+from wtem.models import Submission, Attachment
 
 
 class Command(BaseCommand):
 
+    option_list = BaseCommand.option_list + (
+        make_option('--with-attachments-only',
+            action='store_true',
+            dest='attachments_only',
+            default=False,
+            help='Take into account only submissions with attachments'),
+        make_option('--without-attachments-only',
+            action='store_true',
+            dest='no_attachments_only',
+            default=False,
+            help='Take into account only submissions without attachments'),
+        )
+
     def handle(self, *args, **options):
-        how_many = int(args[0])
-        examiner_names = args[1:]
+
+        limit_from = int(args[0])
+        limit_to = int(args[1])
+        examiner_names = args[2:]
 
         users = User.objects.filter(username__in = examiner_names)
         submissions_query = Submission.objects.annotate(examiners_count = Count('examiners'))
 
-        submissions = submissions_query \
-            .filter(examiners_count__lt=2).exclude(answers = None)[0:how_many]
+        submissions = submissions_query.exclude(answers = None)
+        
+        with_attachment_ids = Attachment.objects.values_list('submission_id', flat=True).all()
+        if options['attachments_only']:
+            submissions = submissions.filter(id__in = with_attachment_ids)
+        if options['no_attachments_only']:
+            submissions = submissions.exclude(id__in = with_attachment_ids)
 
-        for submission in submissions:
+        for submission in submissions.order_by('id')[limit_from:limit_to]:
             submission.examiners.add(*users)
             submission.save()
             self.stdout.write('added to %s:%s' % (submission.id, submission.email))