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