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
@@ -0,0 +1,69 @@
+"""inventory 序列化器（async 兼容）。"""
+
+from rest_framework import serializers
+from apps.core.serializers import AsyncModelSerializer
+from .models import Warehouse, Stock, StockBatch, StockMovement
+
+
+class WarehouseSerializer(AsyncModelSerializer):
+    class Meta:
+        model = Warehouse
+        fields = [
+            "id", "code", "name", "location", "is_active", "is_default",
+            "is_deleted", "created_at", "updated_at",
+        ]
+        read_only_fields = ["id", "created_at", "updated_at"]
+
+
+class StockSerializer(AsyncModelSerializer):
+    warehouse_code = serializers.CharField(source="warehouse.code", read_only=True)
+    product_code = serializers.CharField(source="product.code", read_only=True)
+    product_name = serializers.CharField(source="product.name", read_only=True)
+    available = serializers.SerializerMethodField()
+
+    class Meta:
+        model = Stock
+        fields = [
+            "id", "warehouse_code", "product_code", "product_name",
+            "on_hand", "locked", "available", "avg_cost",
+            "is_deleted", "created_at", "updated_at",
+        ]
+        read_only_fields = ["id", "created_at", "updated_at", "available", "on_hand", "locked", "avg_cost"]
+
+    def get_available(self, obj):
+        return str(obj.on_hand - obj.locked)
+
+
+class StockMovementSerializer(AsyncModelSerializer):
+    warehouse_code = serializers.CharField(source="warehouse.code", read_only=True)
+    product_code = serializers.CharField(source="product.code", read_only=True)
+
+    class Meta:
+        model = StockMovement
+        fields = [
+            "id", "warehouse_code", "product_code",
+            "movement_type", "source_type", "source_ref",
+            "quantity", "unit_cost",
+            "created_at",
+        ]
+        read_only_fields = fields  # 流水只读
+
+
+class StockBatchSerializer(AsyncModelSerializer):
+    warehouse_code = serializers.CharField(source="warehouse.code", read_only=True)
+    product_code = serializers.CharField(source="product.code", read_only=True)
+    product_name = serializers.CharField(source="product.name", read_only=True)
+    available = serializers.SerializerMethodField()
+
+    class Meta:
+        model = StockBatch
+        fields = [
+            "id", "warehouse_code", "product_code", "product_name",
+            "batch_no", "production_date", "expiry_date",
+            "on_hand", "locked", "available", "unit_cost",
+            "is_deleted", "created_at", "updated_at",
+        ]
+        read_only_fields = ["id", "created_at", "updated_at", "available"]
+
+    def get_available(self, obj):
+        return str(obj.on_hand - obj.locked)