forked from erp-dev/erp
116 lines
4.7 KiB
Python
116 lines
4.7 KiB
Python
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 .stock_change_views.mixins import StockChangeViewMixin
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class PurchaseOrderItemSerializer(serializers.ModelSerializer):
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class Meta:
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model = business_models.PurchaseOrderItem
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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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'batch_number', 'remarks', 'created_at', 'updated_at',
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]
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read_only_fields = ['id', 'created_at', 'updated_at']
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class PurchaseOrderSerializer(serializers.ModelSerializer):
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supplier_name = serializers.CharField(source='supplier.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 = PurchaseOrderItemSerializer(many=True, read_only=True)
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class Meta:
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model = business_models.PurchaseOrder
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fields = [
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'id', 'supplier', 'supplier_name', 'purchase_date', 'kind',
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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', 'supplier_name', 'operator_name', 'warehouse_name']
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class PurchaseOrderPagination(pagination.LimitOffsetPagination):
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default_limit = 20
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max_limit = 100
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class PurchaseOrderView(StockChangeViewMixin, views.APIView):
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"""采购订单查询与创建"""
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permission_classes = [IsAuthenticated]
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pagination_class = PurchaseOrderPagination
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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.PurchaseOrder.objects.filter(merchant=merchant).prefetch_related('items', 'supplier', 'operator', 'warehouse')
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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 = PurchaseOrderSerializer(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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supplier_id = data.get('supplier')
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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 supplier_id:
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return Response({'error': '缺少供应商 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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supplier = basic_models.Supplier.objects.get(id=supplier_id, merchant=merchant)
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except basic_models.Supplier.DoesNotExist:
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return Response({'error': f'供应商 {supplier_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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purchase_order = business_services.create_purchase_order(
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merchant=merchant,
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supplier=supplier,
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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': purchase_order.id,
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'message': '采购单创建成功，入库任务已排队',
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},
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status=status.HTTP_201_CREATED,
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)
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