dockered

django/chat/views/chat.py

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+from rest_framework.views import APIView
+from rest_framework.response import Response
+from rest_framework import permissions
+from rest_framework.authentication import SessionAuthentication
+
+from django.contrib.auth.models import User
+
+from ..models import ChatChannelModel, ChatMemberModel
+from ..serializers.chat import ChatChannelSerializer
+
+
+class ChannelView(APIView):
+
+    serializer_class = ChatChannelSerializer
+    permission_classes = (permissions.IsAuthenticated,)
+    authentication_classes = (SessionAuthentication,)
+
+    def post(self, request):
+        serializer = self.serializer_class(data=request.data, context={'user': request.user})
+        serializer.is_valid(raise_exception=True)
+
+        members_id = serializer.validated_data.get('members_id')
+        member_list = [User.objects.get(pk=member_id) for member_id in members_id]
+
+        for member_channel in ChatMemberModel.objects.filter(member=member_list[0]):
+            channel: ChatChannelModel = member_channel.channel
+            if set(channel.get_members()) == set(member_list):
+                break
+        else:
+            channel = ChatChannelModel().create(member_list)
+        return Response(self.serializer_class(channel).data)