baseline: 批次A-D 成果 + membership 半成品（测试红）

2026-09-11 23:11:35 +08:00
commit b3f3095d53
311 changed files with 40540 additions and 0 deletions
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+"""purchase 序列化器（async 兼容）。"""
+
+from rest_framework import serializers
+from apps.core.serializers import AsyncModelSerializer
+from .models import PurchaseOrder, PurchaseOrderLine, PurchaseBill, PurchaseBillLine
+
+
+class PurchaseOrderLineSerializer(AsyncModelSerializer):
+    product_code = serializers.CharField(source="product.code", read_only=True)
+    product_name = serializers.CharField(source="product.name", read_only=True)
+
+    class Meta:
+        model = PurchaseOrderLine
+        fields = ["id", "product", "product_code", "product_name",
+                  "quantity", "unit_price", "amount", "received_qty"]
+        read_only_fields = ["id", "amount", "received_qty"]
+
+
+class PurchaseOrderSerializer(AsyncModelSerializer):
+    supplier_code = serializers.CharField(source="supplier.code", read_only=True)
+    warehouse_code = serializers.CharField(source="warehouse.code", read_only=True)
+    lines = PurchaseOrderLineSerializer(many=True, required=False)
+
+    class Meta:
+        model = PurchaseOrder
+        fields = [
+            "id", "bill_no", "supplier", "supplier_code",
+            "warehouse", "warehouse_code",
+            "bill_date", "expected_date", "total_amount", "state", "remark",
+            "lines",
+        ]
+        read_only_fields = ["id", "bill_no", "total_amount", "state"]
+
+    def create(self, validated_data):
+        lines = validated_data.pop("lines", [])
+        tenant = self.context["request"]._request.tenant if hasattr(self.context.get("request", None), "_request") else None
+        # 多租户注入由 acreate 处理（参考 catalog）
+        from django.db import transaction
+        from datetime import date
+
+        with transaction.atomic():
+            order = PurchaseOrder.objects.create(**validated_data)
+            total = Decimal = __import__("decimal").Decimal
+            tot = total("0")
+            for ln in lines:
+                qty = total(str(ln["quantity"]))
+                price = total(str(ln["unit_price"]))
+                PurchaseOrderLine.objects.create(
+                    tenant=order.tenant,
+                    order=order,
+                    product=ln["product"],
+                    quantity=qty,
+                    unit_price=price,
+                    amount=qty * price,
+                )
+                tot += qty * price
+            order.total_amount = tot
+            order.save(update_fields=["total_amount"])
+        return order
+
+
+class PurchaseBillLineSerializer(AsyncModelSerializer):
+    product_code = serializers.CharField(source="product.code", read_only=True)
+    product_name = serializers.CharField(source="product.name", read_only=True)
+    unit_name = serializers.SerializerMethodField()
+    is_batch_managed = serializers.BooleanField(
+        source="product.is_batch_managed", read_only=True
+    )
+
+    class Meta:
+        model = PurchaseBillLine
+        fields = ["id", "product", "product_code", "product_name",
+                  "quantity", "source_unit", "source_quantity", "unit_name",
+                  "unit_price", "amount", "tax_rate", "tax_amount",
+                  "batch_no", "production_date", "expiry_date", "is_batch_managed"]
+        read_only_fields = ["id", "amount"]
+
+    def get_unit_name(self, obj):
+        unit = obj.source_unit or getattr(obj.product, "base_unit", None)
+        return unit.name if unit else ""
+
+
+class PurchaseBillSerializer(AsyncModelSerializer):
+    supplier_code = serializers.CharField(source="supplier.code", read_only=True)
+    supplier_name = serializers.CharField(source="supplier.name", read_only=True)
+    warehouse_code = serializers.CharField(source="warehouse.code", read_only=True)
+    lines = PurchaseBillLineSerializer(many=True, required=False)
+
+    class Meta:
+        model = PurchaseBill
+        fields = [
+            "id", "bill_no", "supplier", "supplier_code", "supplier_name",
+            "warehouse", "warehouse_code", "order",
+            "bill_date", "total_amount", "state", "remark",
+            "lines",
+        ]
+        read_only_fields = ["id", "bill_no", "total_amount", "state"]