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dashboard-cpsp/backend/apps/operations/views.py
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275 lines
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from __future__ import annotations
from django.conf import settings
from django.core.exceptions import ValidationError
from rest_framework import status, viewsets
from rest_framework.decorators import action
from rest_framework.permissions import AllowAny
from rest_framework.response import Response
from rest_framework.views import APIView
from apps.farms.models import Cycle
from apps.operations.models import (
AIInsight,
ChickenCounting,
ChickenWeight,
FeedSacks,
IotPanel,
KPI,
ManualInput,
)
from apps.operations.serializers import (
AIInsightSerializer,
ChickenCountingSerializer,
ChickenWeightSerializer,
FeedSacksSerializer,
IotPanelSerializer,
KPISerializer,
ManualInputSerializer,
)
from apps.operations.services.karung_web import KarungWebError, sync_karung_for_cycle
from apps.operations.services.chicken_counting_edge import (
ChickenCountingEdgeError,
sync_chicken_counting_for_cycle,
sync_chicken_weight_for_cycle,
)
from apps.operations.services.visibility import dashboard_publish_time, visible_through_date
READ_ACTIONS = frozenset({"list", "retrieve", "latest_average", "latest", "dates"})
class VisibilityFilteredMixin:
visibility_date_field = "date"
def applies_visibility_filter(self) -> bool:
return getattr(self, "action", None) in READ_ACTIONS
def filter_visible_through(self, qs):
if not self.applies_visibility_filter():
return qs
cutoff = visible_through_date()
return qs.filter(**{f"{self.visibility_date_field}__lte": cutoff})
class CycleScopedViewSet(VisibilityFilteredMixin, viewsets.ModelViewSet):
def get_queryset(self):
qs = super().get_queryset()
params = self.request.query_params
if params.get("cycle_id"):
qs = qs.filter(cycle_id=params["cycle_id"])
if params.get("flock_id"):
qs = qs.filter(cycle__kandang__flocks=params["flock_id"]).distinct()
if params.get("date"):
qs = qs.filter(date=params["date"])
return self.filter_visible_through(qs)
class KPIViewSet(CycleScopedViewSet):
queryset = KPI.objects.select_related("cycle").all()
serializer_class = KPISerializer
class ManualInputViewSet(CycleScopedViewSet):
queryset = ManualInput.objects.select_related("cycle").all()
serializer_class = ManualInputSerializer
class ChickenCountingViewSet(CycleScopedViewSet):
"""Chicken counting + mortality IoT — not subject to dashboard publish cutoff."""
queryset = ChickenCounting.objects.select_related("cycle").all()
serializer_class = ChickenCountingSerializer
def applies_visibility_filter(self) -> bool:
return False
@action(detail=False, methods=["post"], url_path="sync")
def sync_from_edge(self, request):
cycle_id = request.data.get("cycle_id")
if not cycle_id:
return Response(
{"detail": "cycle_id is required."},
status=status.HTTP_400_BAD_REQUEST,
)
try:
cycle = Cycle.objects.select_related("kandang").get(pk=cycle_id)
except Cycle.DoesNotExist:
return Response({"detail": "Cycle not found."}, status=status.HTTP_404_NOT_FOUND)
try:
summary = sync_chicken_counting_for_cycle(cycle)
except (ChickenCountingEdgeError, ValidationError) as exc:
code = getattr(exc, "status_code", None)
return Response(
{"detail": str(exc)},
status=code if code and code >= 400 else status.HTTP_502_BAD_GATEWAY,
)
return Response(
{
"upserted": summary["upserted"],
"dates": [d.isoformat() for d in summary["dates"]],
}
)
class ChickenWeightViewSet(CycleScopedViewSet):
"""Chicken weight — not subject to dashboard publish cutoff."""
queryset = ChickenWeight.objects.select_related("cycle").all()
serializer_class = ChickenWeightSerializer
def applies_visibility_filter(self) -> bool:
return False
@action(detail=False, methods=["post"], url_path="sync")
def sync_from_edge(self, request):
cycle_id = request.data.get("cycle_id")
if not cycle_id:
return Response(
{"detail": "cycle_id is required."},
status=status.HTTP_400_BAD_REQUEST,
)
try:
cycle = Cycle.objects.select_related("kandang").get(pk=cycle_id)
except Cycle.DoesNotExist:
return Response({"detail": "Cycle not found."}, status=status.HTTP_404_NOT_FOUND)
try:
summary = sync_chicken_weight_for_cycle(cycle)
except (ChickenCountingEdgeError, ValidationError) as exc:
code = getattr(exc, "status_code", None)
return Response(
{"detail": str(exc)},
status=code if code and code >= 400 else status.HTTP_502_BAD_GATEWAY,
)
return Response(
{
"upserted": summary["upserted"],
"dates": [d.isoformat() for d in summary["dates"]],
}
)
@action(detail=False, methods=["get"], url_path="latest-avg")
def latest_average(self, request):
cycle_id = request.query_params.get("cycle_id")
if not cycle_id:
return Response(
{"detail": "cycle_id is required."},
status=status.HTTP_400_BAD_REQUEST,
)
row = self.get_queryset().filter(cycle_id=cycle_id).order_by("-date", "-pk").first()
if row is None:
return Response(
{"detail": "No chicken weight exists for this cycle."},
status=status.HTTP_404_NOT_FOUND,
)
return Response(self.get_serializer(row).data)
class FeedSacksViewSet(CycleScopedViewSet):
queryset = FeedSacks.objects.select_related("cycle").all()
serializer_class = FeedSacksSerializer
@action(detail=False, methods=["get"], url_path="latest")
def latest(self, request):
cycle_id = request.query_params.get("cycle_id")
if not cycle_id:
return Response(
{"detail": "cycle_id is required."},
status=status.HTTP_400_BAD_REQUEST,
)
row = self.get_queryset().filter(cycle_id=cycle_id).order_by("-date", "-pk").first()
if row is None:
return Response(
{"detail": "No feed sacks row exists for this cycle."},
status=status.HTTP_404_NOT_FOUND,
)
return Response(self.get_serializer(row).data)
@action(detail=False, methods=["post"], url_path="request")
def request_sync(self, request):
cycle_id = request.data.get("cycle_id")
if not cycle_id:
return Response(
{"detail": "cycle_id is required."},
status=status.HTTP_400_BAD_REQUEST,
)
try:
cycle = Cycle.objects.get(pk=cycle_id)
except Cycle.DoesNotExist:
return Response({"detail": "Cycle not found."}, status=status.HTTP_404_NOT_FOUND)
section = request.data.get("section") or "today"
try:
feed_sack, summary = sync_karung_for_cycle(cycle, section=section)
except (KarungWebError, ValidationError) as exc:
code = getattr(exc, "status_code", None)
return Response(
{"detail": str(exc)},
status=code if code and code >= 400 else status.HTTP_502_BAD_GATEWAY,
)
return Response(
{"karung": self.get_serializer(feed_sack).data, "upstream": summary}
)
class IotPanelViewSet(viewsets.ModelViewSet):
"""IoT panel is real-time — not subject to the 17:00 dashboard publish cutoff."""
queryset = IotPanel.objects.select_related("flock", "flock__kandang").all()
serializer_class = IotPanelSerializer
def get_queryset(self):
qs = super().get_queryset()
params = self.request.query_params
cycle_id = params.get("cycle_id")
if cycle_id:
try:
cycle = Cycle.objects.get(pk=cycle_id)
except Cycle.DoesNotExist:
return qs.none()
qs = qs.filter(
flock__kandang_id=cycle.kandang_id,
date__gte=cycle.start_date,
date__lte=cycle.operational_end_date(),
)
if params.get("flock_id"):
qs = qs.filter(flock_id=params["flock_id"])
if params.get("date"):
qs = qs.filter(date=params["date"])
return qs
def paginate_queryset(self, queryset):
if self.request.query_params.get("date"):
return None
return super().paginate_queryset(queryset)
@action(detail=False, methods=["get"], url_path="dates")
def dates(self, request):
dates = list(
self.get_queryset()
.order_by("date")
.values_list("date", flat=True)
.distinct()
)
return Response(dates)
class AIInsightViewSet(CycleScopedViewSet):
queryset = AIInsight.objects.select_related("cycle").all()
serializer_class = AIInsightSerializer
class HealthView(APIView):
permission_classes = [AllowAny]
authentication_classes = []
def get(self, request):
cutoff = visible_through_date()
publish = dashboard_publish_time()
payload = {
"status": "ok",
"service": "newdashboard-api",
"karung_web_admin_base_configured": bool(settings.KARUNG_WEB_ADMIN_BASE_URL),
"visible_through_date": cutoff.isoformat(),
"dashboard_publish_time": publish.strftime("%H:%M"),
"dashboard_timezone": settings.TIME_ZONE,
}
return Response(payload)