def initial(self, request):
"""
Before dispatching to put(), delete()...
1) Checks current user authentication to prevent remote DB manipulation
2) Prepares self.list_objects from params
"""
if not request.user.is_authenticated():
raise Http404()
# can't use return in initial() (although 401 maybe better than 404)
# can't use @requires_auth because of positional 'self' within class
# get validated params
self.params = get_parameters(request)
(self.base_list, self.change_list) = ListChange._validate(self.params)
if not len(self.change_list.items):
payload_ngrams = request.data['ngrams']
# print("no change_list in params but we got:", payload_ngrams)
# change_list can be in payload too
change_ngram_ids = [int(n) for n in payload_ngrams.split(',')]
if (not len(change_ngram_ids)):
raise ValidationException(
'The "ngrams" parameter requires one or more ngram_ids separated by comma'
)
else:
self.change_list = UnweightedList(change_ngram_ids)
def initial(self, request):
"""
Before dispatching to post() or delete()
Checks current user authentication to prevent remote DB manipulation
"""
if not request.user.is_authenticated():
raise Http404()
def get(self, request, node_id):
if not request.user.is_authenticated():
# can't use @requires_auth because of positional 'self' within class
return HttpResponse('Unauthorized', status=401)
parameters, query, count = _query_nodes(request, node_id)
if not len(query):
raise Http404()
node = query[0]
return JsonHttpResponse(_filter_node_fields(node, parameters))
def delete(self, request, node_id):
if not request.user.is_authenticated():
# can't use @requires_auth because of positional 'self' within class
return HttpResponse('Unauthorized', status=401)
parameters, query, count = _query_nodes(request, node_id)
if not len(query):
raise Http404()
result = session.execute(delete(Node).where(Node.id == node_id))
session.commit()
return JsonHttpResponse({'deleted': result.rowcount})