forked from erp-dev/erp
feat: sales_order api
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177
api_v1/business/sales/views.py
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177
api_v1/business/sales/views.py
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from rest_framework import status, views, serializers, pagination
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from rest_framework.permissions import IsAuthenticated
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from rest_framework.response import Response
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from basic_info import models as basic_models
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from business import services as business_services
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from business import models as business_models
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from api_v1.views.stock_change_views.mixins import StockChangeViewMixin
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class SalesOrderItemSerializer(serializers.ModelSerializer):
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class Meta:
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model = business_models.SalesOrderItem
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fields = [
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'id', 'product', 'price', 'color', 'quantity', 'unit',
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'empty_diff_percent', 'quantity_of_rolls', 'num_of_rolls',
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'consume_detail_ids', 'batch_number', 'remarks', 'created_at', 'updated_at', 'spec',
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]
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read_only_fields = ['id', 'created_at', 'updated_at', 'total_amount', 'diff_quantity', 'real_quantity']
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class SalesOrderSerializer(serializers.ModelSerializer):
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total_amount = serializers.SerializerMethodField(read_only=True)
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diff_quantity = serializers.SerializerMethodField(read_only=True)
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total_quantity = serializers.SerializerMethodField(read_only=True)
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def get_total_amount(self, obj: business_models.SalesOrder):
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return obj.get_total_amount()
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def get_diff_quantity(self, obj: business_models.SalesOrder):
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return obj.get_total_diff_quantity()
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def get_total_quantity(self, obj: business_models.SalesOrder):
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return obj.get_total_quantity()
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customer_name = serializers.CharField(source='customer.name', read_only=True)
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operator_name = serializers.CharField(source='operator.name', read_only=True)
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warehouse_name = serializers.CharField(source='warehouse.name', read_only=True)
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items = SalesOrderItemSerializer(many=True, read_only=True)
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class Meta:
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model = business_models.SalesOrder
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fields = [
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'id', 'customer', 'customer_name', 'sales_date', 'kind',
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'total_amount', 'diff_quantity', 'total_quantity',
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'operator', 'operator_name', 'warehouse', 'warehouse_name',
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'status', 'remarks', 'created_at', 'updated_at', 'items',
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]
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read_only_fields = ['id', 'created_at', 'updated_at', 'items', 'customer_name', 'operator_name', 'warehouse_name']
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class SalesOrderPagination(pagination.LimitOffsetPagination):
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default_limit = 20
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max_limit = 100
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class SalesOrderView(StockChangeViewMixin, views.APIView):
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"""销售订单查询与创建"""
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permission_classes = [IsAuthenticated]
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pagination_class = SalesOrderPagination
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def get(self, request):
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if not self.check_employee_permission(request):
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return self.permission_error_response('无权限访问')
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merchant = request.user.employee.merchant
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queryset = business_models.SalesOrder.objects.filter(merchant=merchant).prefetch_related(
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'items', 'customer', 'operator', 'warehouse'
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)
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paginator = self.pagination_class()
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page = paginator.paginate_queryset(queryset.order_by('-created_at'), request, view=self)
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serializer = SalesOrderSerializer(page, many=True)
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return paginator.get_paginated_response(serializer.data)
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def post(self, request):
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if not self.check_employee_permission(request):
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return self.permission_error_response('无权限访问')
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merchant = request.user.employee.merchant
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data = request.data or {}
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customer_id = data.get('customer')
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warehouse_id = data.get('warehouse_id') or data.get('warehouse')
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order_date = data.get('order_date')
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items = data.get('items', [])
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remarks = data.get('remarks', '')
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if not customer_id:
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return Response({'error': '缺少客户 ID'}, status=status.HTTP_400_BAD_REQUEST)
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if not warehouse_id:
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return Response({'error': '缺少仓库 ID'}, status=status.HTTP_400_BAD_REQUEST)
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if not order_date:
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return Response({'error': '缺少 order_date'}, status=status.HTTP_400_BAD_REQUEST)
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if not isinstance(items, list) or not items:
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return Response({'error': 'items 需要为非空数组'}, status=status.HTTP_400_BAD_REQUEST)
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try:
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customer = basic_models.Customer.objects.get(id=customer_id, merchant=merchant)
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except basic_models.Customer.DoesNotExist:
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return Response({'error': f'客户 {customer_id} 不存在'}, status=status.HTTP_400_BAD_REQUEST)
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try:
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warehouse = basic_models.WareHouse.objects.get(id=warehouse_id, merchant=merchant)
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except basic_models.WareHouse.DoesNotExist:
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return Response({'error': f'仓库 {warehouse_id} 不存在'}, status=status.HTTP_400_BAD_REQUEST)
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operator = request.user.employee
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try:
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sales_order = business_services.create_sales_order(
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merchant=merchant,
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customer=customer,
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order_date=order_date,
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warehouse=warehouse,
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operator=operator,
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items=items,
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remarks=remarks,
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created_by=request.user,
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)
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except ValueError as exc:
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return Response({'error': str(exc)}, status=status.HTTP_400_BAD_REQUEST)
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return Response(
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{
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'id': sales_order.id,
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'status': sales_order.status,
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'message': '销售单创建成功，等待审批',
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},
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status=status.HTTP_201_CREATED,
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)
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class SalesOrderReviewSerializer(serializers.Serializer):
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action = serializers.ChoiceField(choices=[('approve', '审批通过'), ('cancel', '作废')])
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class SalesOrderReviewView(StockChangeViewMixin, views.APIView):
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"""销售单审批 / 作废"""
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permission_classes = [IsAuthenticated]
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ACTION_STATUS_MAP = {
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'approve': business_models.SalesOrderStatusEnum.APPROVED,
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'cancel': business_models.SalesOrderStatusEnum.CANCELLED,
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}
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def post(self, request, pk: int):
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if not self.check_employee_permission(request):
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return self.permission_error_response('无权限访问')
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merchant = request.user.employee.merchant
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try:
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sales_order = business_models.SalesOrder.objects.select_related(
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'customer', 'operator', 'warehouse'
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).prefetch_related('items').get(id=pk, merchant=merchant)
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except business_models.SalesOrder.DoesNotExist:
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return self.not_found_response('销售单不存在')
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serializer = SalesOrderReviewSerializer(data=request.data or {})
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serializer.is_valid(raise_exception=True)
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action = serializer.validated_data['action']
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target_status = self.ACTION_STATUS_MAP[action]
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try:
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business_services.review_sales_order(
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sales_order=sales_order,
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target_status=target_status,
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reviewed_by=request.user,
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)
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except ValueError as exc:
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return Response({'error': str(exc)}, status=status.HTTP_400_BAD_REQUEST)
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refreshed_order = business_models.SalesOrder.objects.select_related(
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'customer', 'operator', 'warehouse'
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).prefetch_related('items').get(id=sales_order.id)
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return Response(SalesOrderSerializer(refreshed_order).data, status=status.HTTP_200_OK)
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