def delete_element(request):
el_type, el_id = request.POST['obj'].split('-')
element = find_location(el_type, el_id)
try:
element.delete()
except ProtectedError:
# Return 409 Conflict
logger.warn('Error deleting location: %s', element)
return HttpResponse("Unable to delete.", status=409)
return HttpResponse('success')
def find_children(request, type=None, id=None):
if type:
object = find_location(type, id)
children = object.children.annotate(Count('museumobject'))
else:
children = GlobalRegion.objects.annotate(Count('museumobject'))
nodes = serialize_locs_jstree(children)
return HttpResponse(
json.dumps(nodes, sort_keys=True, indent=4),
content_type='application/json')
def create_element(request):
name = request.POST['name']
model_type = request.POST['type']
p_type, p_id = request.POST['parent'].split('-')
parent = find_location(p_type, p_id)
location_model = ContentType.objects.get(app_label='location',
model=model_type)
new_location = location_model.model_class()()
new_location.name = name
new_location.parent = parent
try:
new_location.save()
except IntegrityError:
# Return 409 Conflict
logger.warn('Error creating location: %s', new_location)
return HttpResponse('A location by that name already exists', status=409)
return HttpResponse(json.dumps(
{'id': new_location.id}), mimetype="application/json")
def rename_element(request):
el_type, el_id = request.POST['obj'].split('-')
new_name = request.POST['new-name']
element = find_location(el_type, el_id)
element.name = new_name
linked_count = element.museumobject_set.count()
try:
element.save()
except IntegrityError:
# Would like to return 409 Conflict
# but browser has issue parsing json, so using a 200
# with an error flag instead
logger.warn('Error renaming location: %s', element)
return HttpResponse(json.dumps({
'message': 'A location by that name already exists',
'count': linked_count,
'error': True}), mimetype="application/json")
return HttpResponse(json.dumps(
{'new_name': element.name, 'count': linked_count, 'error': False}),
mimetype="application/json")
def process_element_move(type, id, np_type, np_id):
new_parent = find_location(np_type, np_id)
element = find_location(type, id)
element.moveto_parent(new_parent)