def batch_add_tags(request):
# check existing tag and subtract them from bulk_create
insert_list = []
tag_names = request.POST.getlist('tags[]')
existing_tags = models.ContentTag.objects.filter(tag_name__in=tag_names)
existing_tag_names = existing_tags.values_list('tag_name', flat=True)
new_tag_names = set(tag_names) - set(existing_tag_names)
for name in new_tag_names:
insert_list.append(models.ContentTag(tag_name=name))
new_tags = models.ContentTag.objects.bulk_create(insert_list)
# bulk add all tags to selected nodes
all_tags = set(existing_tags).union(set(new_tags))
ThroughModel = models.Node.tags.through
bulk_list = []
node_pks = request.POST.getlist('nodes[]')
for tag in all_tags:
for pk in node_pks:
bulk_list.append(ThroughModel(node_id=pk, contenttag_id=tag.pk))
ThroughModel.objects.bulk_create(bulk_list)
return HttpResponse("Tags are successfully saved.", status=200)
def node(data, parent=None):
new_node = None
# Create topics
if data['kind_id'] == "topic":
new_node = cc.ContentNode(
kind=topic(),
parent=parent,
title=data['title'],
node_id=data['node_id'],
content_id=data.get('content_id') or data['node_id'],
sort_order=data.get('sort_order', 1),
)
new_node.save()
for child in data['children']:
node(child, parent=new_node)
# Create videos
elif data['kind_id'] == "video":
new_node = cc.ContentNode(
kind=video(),
parent=parent,
title=data['title'],
node_id=data['node_id'],
license=license_wtfpl(),
content_id=data.get('content_id') or data['node_id'],
sort_order=data.get('sort_order', 1),
)
new_node.save()
video_file = fileobj_video(contents="Video File")
video_file.contentnode = new_node
video_file.preset_id = format_presets.VIDEO_HIGH_RES
video_file.save()
# Create exercises
elif data['kind_id'] == "exercise":
extra_fields = {
'mastery_model': data['mastery_model'],
'randomize': True,
'm': data.get('m') or 0,
'n': data.get('n') or 0
}
new_node = cc.ContentNode(
kind=exercise(),
parent=parent,
title=data['title'],
node_id=data['node_id'],
license=license_wtfpl(),
extra_fields=extra_fields,
content_id=data.get('content_id') or data['node_id'],
sort_order=data.get('sort_order', 1),
)
new_node.save()
for assessment_item in data['assessment_items']:
ai = cc.AssessmentItem(
contentnode=new_node,
assessment_id=assessment_item['assessment_id'],
question=assessment_item['question'],
type=assessment_item['type'],
answers=json.dumps(assessment_item['answers']),
hints=json.dumps(assessment_item.get('hints') or [])
)
ai.save()
if data.get('tags'):
for tag in data['tags']:
t = cc.ContentTag(tag_name=tag['tag_name'])
t.save()
new_node.tags.add(t)
new_node.save()
return new_node