|
1
|
|
|
from django.http import Http404 |
|
2
|
|
|
from django.db.models import Q |
|
3
|
|
|
|
|
4
|
|
|
from rest_framework import viewsets, decorators, status |
|
5
|
|
|
from rest_framework.response import Response |
|
6
|
|
|
from rest_framework.permissions import IsAuthenticated |
|
7
|
|
|
from dry_rest_permissions.generics import DRYPermissionFiltersBase |
|
8
|
|
|
|
|
9
|
|
|
from sigma_core.models.user import User |
|
10
|
|
|
from sigma_chat.models.chat import Chat |
|
11
|
|
|
from sigma_chat.models.chat_member import ChatMember |
|
12
|
|
|
from sigma_chat.serializers.chat import ChatSerializer |
|
13
|
|
|
from sigma_chat.models.message import Message |
|
14
|
|
|
from sigma_chat.serializers.message import MessageSerializer |
|
15
|
|
|
|
|
16
|
|
|
|
|
17
|
|
|
class MessageFilterBackend(DRYPermissionFiltersBase): |
|
18
|
|
|
filter_q = { |
|
19
|
|
|
'chat': lambda c: Q(chat_id=c) |
|
20
|
|
|
} |
|
21
|
|
|
|
|
22
|
|
|
def filter_queryset(self, request, queryset, view): |
|
23
|
|
|
""" |
|
24
|
|
|
Limits all list requests w.r.t the Normal Rules of Visibility. |
|
25
|
|
|
""" |
|
26
|
|
|
user_chat_ids = request.user.user_chatmember.filter(is_member=True).values_list('chat_id', flat=True) |
|
27
|
|
|
queryset = queryset.prefetch_related('chat_id', 'chatmember_id') \ |
|
28
|
|
|
.filter(chat_id__in=user_chat_ids) |
|
29
|
|
|
|
|
30
|
|
|
for (param, q) in self.filter_q.items(): |
|
31
|
|
|
x = request.query_params.get(param, None) |
|
32
|
|
|
if x is not None: |
|
33
|
|
|
queryset = queryset.filter(q(x)) |
|
34
|
|
|
|
|
35
|
|
|
return queryset.distinct() |
|
36
|
|
|
|
|
37
|
|
|
|
|
38
|
|
|
class MessageViewSet(viewsets.ModelViewSet): |
|
39
|
|
|
queryset = Message.objects.all() |
|
40
|
|
|
serializer_class = MessageSerializer |
|
41
|
|
|
permission_classes = [IsAuthenticated, ] |
|
42
|
|
|
filter_backends = (MessageFilterBackend, ) |
|
43
|
|
|
|
|
44
|
|
|
def create(self, request): |
|
45
|
|
|
return Response("You're not authorized to create a new Message this way, please use the website.", status=status.HTTP_403_FORBIDDEN) |
|
46
|
|
|
|
|
47
|
|
|
def update(self, request, pk=None): |
|
48
|
|
|
return Response("You're not authorized to update a new Message this way, please use the website.", status=status.HTTP_403_FORBIDDEN) |
|
49
|
|
|
|
ProjetSigma /
backend
