forked from erp-dev/erp
89 lines
3.2 KiB
Python
89 lines
3.2 KiB
Python
"""
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Shipment API 序列化器
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"""
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from rest_framework import serializers
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from shipment.models import Shipment
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class ShipmentSerializer(serializers.ModelSerializer):
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"""
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出货单序列化器（只读，用于返回数据）
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"""
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customer_name = serializers.CharField(source='customer.name', read_only=True)
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created_by_id = serializers.IntegerField(source='created_by.id', read_only=True, allow_null=True)
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created_by_name = serializers.SerializerMethodField()
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items_count = serializers.SerializerMethodField()
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class Meta:
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model = Shipment
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fields = [
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'id', 'customer', 'customer_name', 'shipment_date', 'remark',
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'items_count', 'created_by_id', 'created_by_name',
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'created_at', 'updated_at'
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]
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read_only_fields = ['id', 'created_at', 'updated_at']
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def get_created_by_name(self, obj):
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if obj.created_by:
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employee = getattr(obj.created_by, 'employee', None)
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if employee:
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return employee.name
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return obj.created_by.username
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return None
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def get_items_count(self, obj):
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return obj.items.count()
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class ShipmentCreateSerializer(serializers.Serializer):
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"""
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出货单创建序列化器
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"""
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customer = serializers.IntegerField(help_text='客户ID')
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shipment_date = serializers.DateField(help_text='出货日期')
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remark = serializers.CharField(required=False, default='', allow_blank=True, help_text='备注')
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sales_items = serializers.ListField(
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child=serializers.IntegerField(),
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required=False,
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default=list,
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help_text='要关联的销售品ID列表'
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)
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def validate_sales_items(self, value):
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# 去重
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return list(set(value)) if value else []
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class SalesItemSerializer(serializers.Serializer):
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"""
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销售品序列化器（只读）
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用于返回销售品数据
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"""
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id = serializers.IntegerField(read_only=True)
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name = serializers.CharField(read_only=True)
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quantity = serializers.DecimalField(max_digits=12, decimal_places=2, read_only=True)
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unit = serializers.IntegerField(read_only=True)
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unit_display = serializers.SerializerMethodField()
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position = serializers.CharField(read_only=True)
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remark = serializers.CharField(read_only=True)
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printing_job_id = serializers.IntegerField(read_only=True)
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customer_id = serializers.IntegerField(read_only=True)
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shipment_id = serializers.IntegerField(source='shipment.id', read_only=True, allow_null=True)
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shipment_date = serializers.DateField(source='shipment.shipment_date', read_only=True, allow_null=True)
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created_at = serializers.DateTimeField(read_only=True)
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created_by_id = serializers.IntegerField(source='created_by.id', read_only=True, allow_null=True)
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created_by_name = serializers.SerializerMethodField()
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def get_unit_display(self, obj):
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return obj.get_unit_display()
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def get_created_by_name(self, obj):
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if obj.created_by:
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employee = getattr(obj.created_by, 'employee', None)
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if employee:
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return employee.name
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return obj.created_by.username
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return None
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