321 lines
11 KiB
Python
321 lines
11 KiB
Python
import logging
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from django.utils import timezone
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from datetime import timedelta
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from django.db.models.deletion import ProtectedError
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from django.db.models import Count
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from django_filters.rest_framework import DjangoFilterBackend
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from rest_framework import filters, viewsets
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from rest_framework.decorators import action
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from rest_framework import status
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from rest_framework.response import Response
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from commerce.models import (
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Cost,
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IntegrationConnection,
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IntegrationStatus,
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IntegrationSyncRun,
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Product,
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ProductBinding,
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Sale,
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SaleLine,
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SourceSystem,
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StockSnapshot,
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)
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from commerce.services import (
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get_product_metrics,
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merge_products,
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test_moysklad_connection,
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)
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from commerce.services.credentials import CredentialError
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from commerce.integrations.moysklad import MoySkladError
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from commerce.search import UnicodeCasefoldSearchFilter
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from commerce.tasks import enqueue_connection_sync
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from .permissions import CommerceAccessPermission
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from .serializers import (
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CostSerializer,
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IntegrationConnectionSerializer,
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IntegrationSyncRunSerializer,
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ProductBindingSerializer,
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ProductMergeSerializer,
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ProductMetricsQuerySerializer,
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ProductSerializer,
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SaleSerializer,
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SaleLineSerializer,
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SourceSystemSerializer,
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StockSnapshotSerializer,
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)
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logger = logging.getLogger(__name__)
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class IntegrationConnectionViewSet(viewsets.ModelViewSet):
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queryset = IntegrationConnection.objects.select_related("source")
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serializer_class = IntegrationConnectionSerializer
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permission_classes = [CommerceAccessPermission]
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http_method_names = ["get", "post", "patch", "delete", "head", "options"]
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@action(detail=True, methods=["post"])
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def test(self, request, pk=None):
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connection = self.get_object()
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try:
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context = test_moysklad_connection(connection)
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except (MoySkladError, CredentialError) as exc:
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logger.warning(
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"Commerce connection test failed",
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extra={
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"event": "commerce.connection.test_failed",
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"connection_id": str(connection.pk),
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"provider": connection.provider,
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"error_type": type(exc).__name__,
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"failure_reason": str(exc),
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},
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)
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connection.status = IntegrationStatus.ERROR
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connection.last_error = str(exc)
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connection.last_tested_at = timezone.now()
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connection.save(
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update_fields=[
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"status",
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"last_error",
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"last_tested_at",
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"updated_at",
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]
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)
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return Response({"detail": str(exc)}, status=status.HTTP_400_BAD_REQUEST)
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connection.status = IntegrationStatus.READY
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connection.account_name = context["account_name"]
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connection.last_error = ""
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connection.last_tested_at = timezone.now()
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connection.next_sync_at = (
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timezone.now() + timedelta(minutes=connection.sync_interval_minutes)
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if connection.auto_sync
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else None
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)
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connection.source.metadata = {
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**connection.source.metadata,
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"account_id": context["account_id"],
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}
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connection.source.save(update_fields=["metadata", "updated_at"])
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connection.save(
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update_fields=[
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"status",
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"account_name",
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"last_error",
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"last_tested_at",
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"next_sync_at",
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"updated_at",
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]
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)
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logger.info(
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"Commerce connection test succeeded",
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extra={
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"event": "commerce.connection.test_succeeded",
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"connection_id": str(connection.pk),
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"provider": connection.provider,
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},
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)
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return Response(self.get_serializer(connection).data)
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@action(detail=True, methods=["post"])
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def sync(self, request, pk=None):
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connection = self.get_object()
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if connection.status in {IntegrationStatus.QUEUED, IntegrationStatus.SYNCING}:
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return Response(
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{"detail": "Синхронизация уже выполняется."},
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status=status.HTTP_409_CONFLICT,
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)
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run = enqueue_connection_sync(connection)
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if run is None:
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return Response(
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{"detail": "Синхронизация уже выполняется."},
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status=status.HTTP_409_CONFLICT,
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)
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return Response(
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IntegrationSyncRunSerializer(run).data,
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status=status.HTTP_202_ACCEPTED,
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)
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class IntegrationSyncRunViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = IntegrationSyncRun.objects.select_related("connection")
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serializer_class = IntegrationSyncRunSerializer
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permission_classes = [CommerceAccessPermission]
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filter_backends = [DjangoFilterBackend]
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filterset_fields = ["connection", "status"]
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class SourceSystemViewSet(viewsets.ModelViewSet):
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queryset = SourceSystem.objects.all()
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serializer_class = SourceSystemSerializer
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permission_classes = [CommerceAccessPermission]
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filter_backends = [filters.SearchFilter, filters.OrderingFilter]
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search_fields = ["code", "name"]
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ordering_fields = ["code", "name", "created_at"]
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ordering = ["name"]
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def destroy(self, request, *args, **kwargs):
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source = self.get_object()
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try:
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self.perform_destroy(source)
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except ProtectedError as exc:
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protected_count = len(exc.protected_objects)
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logger.info(
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"Commerce source deletion rejected because it is in use",
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extra={
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"event": "commerce.source.delete_conflict",
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"source_id": source.pk,
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"source_code": source.code,
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"protected_count": protected_count,
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},
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)
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return Response(
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{
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"code": "source_in_use",
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"detail": (
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"Источник используется подключением или импортированными "
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"данными. Сначала удалите связанные записи."
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),
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"protected_count": protected_count,
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},
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status=status.HTTP_409_CONFLICT,
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)
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return Response(status=status.HTTP_204_NO_CONTENT)
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class ProductViewSet(viewsets.ModelViewSet):
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queryset = Product.objects.all()
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serializer_class = ProductSerializer
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permission_classes = [CommerceAccessPermission]
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filter_backends = [
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DjangoFilterBackend,
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UnicodeCasefoldSearchFilter,
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filters.OrderingFilter,
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]
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filterset_fields = ["kind", "is_active", "parent"]
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search_fields = [
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"sku__unicode_casefold__contains",
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"name__unicode_casefold__contains",
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"barcode__unicode_casefold__contains",
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"bindings__external_sku__unicode_casefold__contains",
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]
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ordering_fields = ["sku", "name", "created_at", "updated_at"]
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ordering = ["name", "sku"]
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def get_queryset(self):
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return (
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super()
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.get_queryset()
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.select_related("parent")
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.prefetch_related("bindings__source", "images")
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.annotate(variants_count=Count("variants", distinct=True))
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.distinct()
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)
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@action(detail=True, methods=["get"])
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def analytics(self, request, pk=None):
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query = ProductMetricsQuerySerializer(data=request.query_params)
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query.is_valid(raise_exception=True)
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product = self.get_object()
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return Response(get_product_metrics(product, **query.validated_data))
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@action(detail=True, methods=["post"])
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def merge(self, request, pk=None):
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target = self.get_object()
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serializer = ProductMergeSerializer(
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data=request.data,
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context={"target": target},
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)
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serializer.is_valid(raise_exception=True)
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result = merge_products(
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target=target,
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source_products=serializer.validated_data["source_products"],
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)
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refreshed = self.get_queryset().get(pk=result.target.pk)
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return Response(
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{
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"product": ProductSerializer(refreshed).data,
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"merged_products": result.merged_products,
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"moved_bindings": result.moved_bindings,
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}
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)
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class ProductBindingViewSet(viewsets.ModelViewSet):
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queryset = ProductBinding.objects.select_related("product", "source")
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serializer_class = ProductBindingSerializer
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permission_classes = [CommerceAccessPermission]
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filter_backends = [DjangoFilterBackend, filters.SearchFilter]
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filterset_fields = ["product", "source", "is_primary"]
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search_fields = ["external_id", "external_sku", "product__sku", "product__name"]
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class SaleViewSet(viewsets.ModelViewSet):
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queryset = Sale.objects.select_related("source", "source_record").prefetch_related(
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"lines__product"
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)
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serializer_class = SaleSerializer
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permission_classes = [CommerceAccessPermission]
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filter_backends = [
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DjangoFilterBackend,
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filters.SearchFilter,
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filters.OrderingFilter,
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]
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filterset_fields = [
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"source",
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"event_type",
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"channel",
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"status",
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"counts_as_sale",
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"currency",
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]
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search_fields = ["external_id", "number", "lines__external_sku", "lines__name"]
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ordering_fields = ["occurred_at", "created_at", "updated_at"]
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ordering = ["-occurred_at"]
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class SaleLineViewSet(viewsets.ModelViewSet):
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queryset = SaleLine.objects.select_related("sale", "product", "sale__source")
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serializer_class = SaleLineSerializer
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permission_classes = [CommerceAccessPermission]
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filter_backends = [DjangoFilterBackend, filters.SearchFilter]
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filterset_fields = ["sale", "product"]
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search_fields = ["external_id", "external_product_id", "external_sku", "name"]
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class CostViewSet(viewsets.ModelViewSet):
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queryset = Cost.objects.select_related("source", "product", "sale_line")
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serializer_class = CostSerializer
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permission_classes = [CommerceAccessPermission]
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filter_backends = [
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DjangoFilterBackend,
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filters.SearchFilter,
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filters.OrderingFilter,
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]
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filterset_fields = ["source", "product", "channel", "cost_type", "currency"]
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search_fields = ["external_id", "channel", "product__sku", "product__name"]
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ordering_fields = ["occurred_at", "amount", "created_at"]
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ordering = ["-occurred_at"]
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class StockSnapshotViewSet(viewsets.ModelViewSet):
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queryset = StockSnapshot.objects.select_related("source", "product")
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serializer_class = StockSnapshotSerializer
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permission_classes = [CommerceAccessPermission]
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filter_backends = [
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DjangoFilterBackend,
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filters.SearchFilter,
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filters.OrderingFilter,
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]
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filterset_fields = ["source", "product", "warehouse_external_id"]
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search_fields = [
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"warehouse_external_id",
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"warehouse_name",
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"product__sku",
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"product__name",
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]
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ordering_fields = ["captured_at", "quantity", "created_at"]
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ordering = ["-captured_at"]
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