Split cstoken and stoken to be different concepts

The stokens are really just integrity checks for items, and are really
just tied to what revision we expected to have first what we have. So we
will rename stoken to lastRev or something, and have them completely
separate.

A partial revert of e22a49f982046e875d4e1c5007a91353527d7a0f
This commit is contained in:
Tom Hacohen 2020-05-27 09:39:31 +03:00
parent 6e7ad92a12
commit 8eee280bbb
2 changed files with 7 additions and 27 deletions

View File

@ -41,13 +41,13 @@ class Collection(models.Model):
def main_item(self):
return self.items.get(uid=None)
@cached_property
@property
def content(self):
return self.main_item.content
@property
def stoken(self):
return self.main_item.stoken
return self.content.uid
@cached_property
def cstoken(self):
@ -78,7 +78,7 @@ class CollectionItem(models.Model):
@property
def stoken(self):
return self.content.stoken.uid
return self.content.uid
def chunk_directory_path(instance, filename):

View File

@ -67,24 +67,6 @@ from .serializers import (
User = get_user_model()
def get_fresh_stoken(obj):
try:
del obj.main_item
except AttributeError:
pass
return obj.stoken
def get_fresh_item_stoken(obj):
try:
del obj.content
except AttributeError:
pass
return obj.stoken
class BaseViewSet(viewsets.ModelViewSet):
authentication_classes = tuple(app_settings.API_AUTHENTICATORS)
permission_classes = tuple(app_settings.API_PERMISSIONS)
@ -173,18 +155,18 @@ class CollectionViewSet(BaseViewSet):
serializer.is_valid(raise_exception=True)
self.perform_update(serializer)
return Response({'stoken': get_fresh_stoken(instance)})
return Response({})
def create(self, request, *args, **kwargs):
serializer = self.serializer_class(data=request.data, context=self.get_serializer_context())
if serializer.is_valid():
try:
instance = serializer.save(owner=self.request.user)
serializer.save(owner=self.request.user)
except IntegrityError:
content = {'code': 'integrity_error'}
return Response(content, status=status.HTTP_400_BAD_REQUEST)
return Response({'stoken': get_fresh_stoken(instance)}, status=status.HTTP_201_CREATED)
return Response({}, status=status.HTTP_201_CREATED)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
@ -298,7 +280,7 @@ class CollectionItemViewSet(BaseViewSet):
queryset, cstoken_rev = self.filter_by_cstoken(request, queryset)
uids, stokens = zip(*[(item['uid'], item.get('stoken')) for item in serializer.validated_data])
revs = CollectionItemRevision.objects.filter(stoken__uid__in=stokens, current=True)
revs = CollectionItemRevision.objects.filter(uid__in=stokens, current=True)
queryset = queryset.filter(uid__in=uids).exclude(revisions__in=revs)
queryset, new_cstoken = self.get_queryset_cstoken(queryset)
@ -338,7 +320,6 @@ class CollectionItemViewSet(BaseViewSet):
return Response(content, status=status.HTTP_400_BAD_REQUEST)
ret = {
"data": [get_fresh_item_stoken(item) for item in items],
}
return Response(ret, status=status.HTTP_200_OK)
@ -377,7 +358,6 @@ class CollectionItemViewSet(BaseViewSet):
return Response(content, status=status.HTTP_400_BAD_REQUEST)
ret = {
"data": [get_fresh_item_stoken(item) for item in items],
}
return Response(ret, status=status.HTTP_200_OK)