HimoolERP/apps/sales/serializers.py
2021-11-14 02:33:24 +08:00

189 lines
8.7 KiB
Python

from extensions.serializers import *
from extensions.exceptions import *
from apps.sales.models import *
from apps.data.models import *
from apps.goods.models import *
from apps.system.models import *
from apps.finance.models import *
class SalesOrderSerializer(BaseSerializer):
"""销售单据"""
class SalesGoodsSerializer(BaseSerializer):
"""销售商品"""
goods_number = CharField(source='goods.number', read_only=True, label='商品编号')
goods_name = CharField(source='goods.name', read_only=True, label='商品名称')
goods_barcode = CharField(source='goods.barcode', read_only=True, label='商品条码')
unit_name = CharField(source='goods.unit.name', read_only=True, label='单位名称')
class Meta:
model = SalesGoods
read_only_fields = ['id', 'goods_number', 'goods_name', 'goods_barcode', 'total_amount',
'return_quantity', 'unit_name']
fields = ['goods', 'sales_quantity', 'sales_price', *read_only_fields]
def validate_goods(self, instance):
instance = self.validate_foreign_key(Goods, instance, message='商品不存在')
if not instance.is_active:
raise ValidationError(f'商品[{instance.name}]未激活')
return instance
def validate_sales_quantity(self, value):
if value <= 0:
raise ValidationError('销售数量小于或等于零')
return value
def validate_sales_price(self, value):
if value <= 0:
raise ValidationError('销售单价小于或等于零')
return value
class CollectionAccountSerializer(BaseSerializer):
"""收款账户"""
account_number = CharField(source='account.number', read_only=True, label='账户编号')
account_name = CharField(source='account.name', read_only=True, label='账户名称')
class Meta:
model = CollectionAccount
read_only_fields = ['id', 'account_number', 'account_name']
fields = ['account', 'collection_amount', *read_only_fields]
def validate_account(self, instance):
instance = self.validate_foreign_key(Account, instance, message='账户不存在')
if not instance.is_active:
raise ValidationError(f'账户[{instance.name}]未激活')
return instance
def validate_collection_amount(self, value):
if value <= 0:
raise ValidationError('收款金额小于或等于零')
return value
warehouse_number = CharField(source='warehouse.number', read_only=True, label='仓库编号')
warehouse_name = CharField(source='warehouse.name', read_only=True, label='仓库名称')
client_number = CharField(source='client.number', read_only=True, label='客户编号')
client_name = CharField(source='client.name', read_only=True, label='客户名称')
handler_name = CharField(source='handler.name', read_only=True, label='经手人名称')
creator_name = CharField(source='creator.name', read_only=True, label='创建人名称')
sales_goods_items = SalesGoodsSerializer(source='sales_goods_set', many=True, label='销售商品')
collection_account_items = CollectionAccountSerializer(source='collection_order.collection_accounts',
required=False, many=True, label='收款账户')
class Meta:
model = SalesOrder
read_only_fields = ['id', 'warehouse_number', 'warehouse_name', 'client_number', 'client_name',
'handler_name', 'total_quantity', 'total_amount', 'collection_amount',
'arrears_amount', 'is_void', 'enable_auto_stock_out', 'creator',
'creator_name', 'create_time']
fields = ['number', 'warehouse', 'client', 'handler', 'handle_time', 'discount', 'other_amount',
'remark', 'sales_goods_items', 'collection_account_items', *read_only_fields]
def validate_number(self, value):
self.validate_unique({'number': value}, message=f'编号[{value}]已存在')
return value
def validate_warehouse(self, instance):
instance = self.validate_foreign_key(Warehouse, instance, message='仓库不存在')
if not instance.is_active:
raise ValidationError(f'仓库[{instance.name}]未激活')
if not instance.is_locked:
raise ValidationError(f'仓库[{instance.name}]已锁定')
return instance
def validate_client(self, instance):
instance = self.validate_foreign_key(Client, instance, message='客户不存在')
if not instance.is_active:
raise ValidationError(f'客户[{instance.name}]未激活')
return instance
def validate_handler(self, instance):
instance = self.validate_foreign_key(User, instance, message='经手人不存在')
if not instance.is_active:
raise ValidationError(f'经手人[{instance.name}]未激活')
return instance
def validate_discount(self, value):
if value <= 0:
raise ValidationError('整单折扣小于或等于零')
return value
def validate_other_amount(self, value):
if value <= 0:
raise ValidationError('其他费用小于或等于零')
return value
@transaction.atomic
def create(self, validated_data):
sales_goods_items = validated_data.pop('sales_goods_set')
collection_order_item = validated_data.pop('collection_order', {})
collection_account_items = collection_order_item.pop('collection_accounts', [])
validated_data['enable_auto_stock_out'] = self.team.enable_auto_stock_out
validated_data['creator'] = self.user
sales_order = super().create(validated_data)
total_sales_quantity = 0
total_sales_amount = 0
# 创建销售商品
sales_goods_set = []
for sales_goods_item in sales_goods_items:
sales_quantity = sales_goods_item['sales_quantity']
sales_price = sales_goods_item['sales_price']
total_amount = NP.times(sales_quantity, sales_price)
sales_goods_set.append(SalesGoods(
sales_order=sales_order, goods=sales_goods_item['goods'], sales_quantity=sales_quantity,
sales_price=sales_price, total_amount=total_amount, team=self.team
))
total_sales_quantity = NP.plus(total_sales_quantity, sales_quantity)
total_sales_amount = NP.plus(total_sales_amount, total_amount)
else:
SalesGoods.objects.bulk_create(sales_goods_set)
total_sales_amount = NP.times(total_sales_amount, sales_order.discount)
total_sales_amount = NP.plus(total_sales_amount, sales_order.other_amount)
sales_order.total_quantity = total_sales_quantity
sales_order.total_amount = total_sales_amount
total_collection_amount = 0
# 创建收款单据
if collection_account_items:
collection_order_number = CollectionOrder.get_number(team=self.team)
collection_order_remark = f'销售单据: {sales_order.number}'
collection_order = CollectionOrder.objects.create(
number=collection_order_number, client=sales_order.client,
handler=sales_order.handler, handle_time=sales_order.handle_time,
remark=collection_order_remark, creator=self.user, team=self.team
)
# 创建收款账户
collection_accounts = []
for collection_account_item in collection_account_items:
collection_amount = collection_account_item['collection_amount']
collection_accounts.append(CollectionAccount(
collection_order=collection_order, account=collection_account_item['account'],
collection_amount=collection_amount, team=self.team
))
total_collection_amount = NP.plus(total_collection_amount, collection_amount)
else:
CollectionAccount.objects.bulk_create(collection_accounts)
collection_order.total_amount = total_collection_amount
collection_order.save(update_fields=['total_amount'])
sales_order.collection_order = collection_order
sales_order.collection_amount = total_collection_amount
sales_order.arrears_amount = NP.minus(total_sales_amount, total_collection_amount)
sales_order.save(update_fields=['total_quantity', 'total_amount', 'collection_amount',
'arrears_amount', 'collection_order'])
return sales_order
__all__ = [
'SalesOrderSerializer',
]