infrasynth-backend-kit/infrasynth/features/views.py
jcv-dev a2930426b4 feat: tenant configs, live signals, and automatic permission management
- infrasynth.configs: typed multi-tenant config store (registry, service,
  secrets, cache) + public config_changed/config_reset signals and API
- emit the declared-but-dead signals (features flags/overrides, scheduler
  task_completed/task_failed, tenancy tenant_updated, audit model_changed)
  and per-model audit field exclusions
- security: permission catalog (security_permission), Django-style
  model-derived AutoPermission, PermissionRegistry, RoleAssignment,
  global-or-tenant Grant/Revoke, catalog API
- consolidate the permission surface: PermissionRegistry only (drop the
  settings dict), IsAuthenticatedAndPermitted aliases HybridPermission,
  require_permission replaced by required_permissions + require_all
- packaging: add [build-system]; add Forgejo publish workflow (.forgejo)
2026-09-29 17:06:54 -05:00

130 lines
5.2 KiB
Python

from rest_framework import mixins, viewsets
from rest_framework.decorators import action
from rest_framework.response import Response
from infrasynth.security.permissions import IsAuthenticatedAndPermitted
from .models import FeatureFlag, FeatureFlagOverride
from .serializers import FeatureFlagOverrideSerializer, FeatureFlagSerializer
from .services import FeatureService
from .signals import flag_created, flag_deleted, flag_toggled, override_created, override_deleted
class FeatureFlagViewSet(viewsets.ModelViewSet):
queryset = FeatureFlag.objects.all()
serializer_class = FeatureFlagSerializer
permission_classes = [IsAuthenticatedAndPermitted]
def get_queryset(self):
return FeatureFlag.objects.all()
def perform_create(self, serializer):
instance = serializer.save()
FeatureService().invalidate(instance.slug, instance.tenant_id)
flag_created.send(
sender=FeatureFlag,
tenant_id=str(instance.tenant_id) if instance.tenant_id else None,
flag_slug=instance.slug,
is_active=instance.is_active,
actor_id=getattr(self.request.user, "pk", None),
)
def perform_update(self, serializer):
previous_active = serializer.instance.is_active
instance = serializer.save()
FeatureService().invalidate(instance.slug, instance.tenant_id)
if instance.is_active != previous_active:
flag_toggled.send(
sender=FeatureFlag,
tenant_id=str(instance.tenant_id) if instance.tenant_id else None,
flag_slug=instance.slug,
is_active=instance.is_active,
previous_is_active=previous_active,
actor_id=getattr(self.request.user, "pk", None),
)
def perform_destroy(self, instance):
slug = instance.slug
tenant_id = instance.tenant_id
FeatureService().invalidate(slug, tenant_id)
actor_id = getattr(self.request.user, "pk", None)
instance.delete()
flag_deleted.send(
sender=FeatureFlag,
tenant_id=str(tenant_id) if tenant_id else None,
flag_slug=slug,
actor_id=actor_id,
)
@action(detail=False, methods=["get"], url_path="active")
def active_flags(self, request):
from django.conf import settings
from infrasynth.tenancy.context import get_current_tenant
fs = FeatureService()
tenant = get_current_tenant()
flags = fs.get_active_flags(user=request.user, tenant_id=tenant.pk if tenant is not None else None)
# A list (not a map) so camelCase key conversion never mangles slug identifiers.
data = {"flags": [{"slug": slug, "enabled": enabled} for slug, enabled in sorted(flags.items())]}
config = getattr(settings, "INFRASYNTH_FEATURES", {})
if config.get("EXPOSE_PERMISSIONS_IN_ACTIVE_ENDPOINT"):
from infrasynth.security.services import AuthorizationService
data["effective_permissions"] = sorted(AuthorizationService().get_effective_permissions(request.user))
if config.get("EXPOSE_ROLES_IN_ACTIVE_ENDPOINT"):
roles_qs = getattr(request.user, "roles", None)
data["roles"] = list(roles_qs.values_list("slug", flat=True)) if roles_qs is not None else []
return Response(data)
@action(detail=False, methods=["get"], url_path="check/(?P<slug>[^/]+)")
def check_flag(self, request, slug=None):
from infrasynth.tenancy.context import get_current_tenant
fs = FeatureService()
tenant = get_current_tenant()
enabled = fs.is_enabled(slug, user=request.user, tenant_id=tenant.pk if tenant is not None else None)
return Response({"slug": slug, "is_enabled": enabled})
class FeatureFlagOverrideViewSet(
mixins.CreateModelMixin,
mixins.ListModelMixin,
mixins.DestroyModelMixin,
viewsets.GenericViewSet,
):
queryset = FeatureFlagOverride.objects.all()
serializer_class = FeatureFlagOverrideSerializer
permission_classes = [IsAuthenticatedAndPermitted]
def get_queryset(self):
return FeatureFlagOverride.objects.select_related("flag", "user").all()
def perform_create(self, serializer):
instance = serializer.save()
flag_slug = instance.flag.slug
tenant_id = instance.tenant_id
FeatureService().invalidate(flag_slug, tenant_id)
override_created.send(
sender=FeatureFlagOverride,
tenant_id=str(tenant_id) if tenant_id else None,
flag_slug=flag_slug,
user_id=instance.user_id,
is_enabled=instance.is_enabled,
actor_id=getattr(self.request.user, "pk", None),
)
def perform_destroy(self, instance):
flag_slug = instance.flag.slug
tenant_id = instance.tenant_id
user_id = instance.user_id
FeatureService().invalidate(flag_slug, tenant_id)
actor_id = getattr(self.request.user, "pk", None)
instance.delete()
override_deleted.send(
sender=FeatureFlagOverride,
tenant_id=str(tenant_id) if tenant_id else None,
flag_slug=flag_slug,
user_id=user_id,
actor_id=actor_id,
)