from extensions.common.base import * from extensions.serializers import * from extensions.exceptions import * from apps.purchase.models import * from apps.finance.models import * from apps.data.models import * from apps.goods.models import * from apps.system.models import * class PurchaseOrderSerializer(BaseSerializer): """采购单据""" class PurchaseGoodsItemSerializer(BaseSerializer): """采购商品""" 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 = PurchaseGoods read_only_fields = ['id', 'goods_number', 'goods_name', 'goods_barcode', 'total_amount', 'return_quantity', 'unit_name'] fields = ['goods', 'purchase_quantity', 'purchase_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_purchase_quantity(self, value): if value <= 0: raise ValidationError('采购数量小于或等于零') return value def validate_purchase_price(self, value): if value <= 0: raise ValidationError('采购单价小于或等于零') return value class PurchaseAccountItemSerializer(BaseSerializer): """采购结算账户""" 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 = PurchaseAccount read_only_fields = ['id', 'account_number', 'account_name'] fields = ['account', 'payment_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_payment_amount(self, value): if value <= 0: raise ValidationError('付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') supplier_number = CharField(source='supplier.number', read_only=True, label='供应商编号') supplier_name = CharField(source='supplier.name', read_only=True, label='供应商名称') 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') purchase_goods_items = PurchaseGoodsItemSerializer( source='purchase_goods_set', many=True, label='采购商品Item') purchase_account_items = PurchaseAccountItemSerializer( source='purchase_accounts', required=False, many=True, label='采购结算账户Item') class Meta: model = PurchaseOrder read_only_fields = ['id', 'warehouse_number', 'warehouse_name', 'supplier_number', 'supplier_name', 'handler_name', 'total_quantity', 'total_amount', 'payment_amount', 'arrears_amount', 'is_void', 'enable_auto_stock_in', 'creator', 'creator_name', 'create_time'] fields = ['number', 'warehouse', 'supplier', 'handler', 'handle_time', 'remark', 'other_amount', 'purchase_goods_items', 'purchase_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_supplier(self, instance): instance = self.validate_foreign_key(Supplier, instance, message='供应商不存在') if not instance.is_active: raise ValidationError(f'供应商[{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_other_amount(self, value): if value < 0: raise ValidationError('其他费用小于零') return value @transaction.atomic def create(self, validated_data): purchase_goods_items = validated_data.pop('purchase_goods_set') purchase_account_items = validated_data.pop('purchase_accounts', []) validated_data['enable_auto_stock_in'] = self.team.enable_auto_stock_in validated_data['creator'] = self.user purchase_order = super().create(validated_data) total_purchase_quantity = 0 total_purchase_amount = 0 # 创建采购商品 purchase_goods_set = [] for purchase_goods_item in purchase_goods_items: purchase_quantity = purchase_goods_item['purchase_quantity'] purchase_price = purchase_goods_item['purchase_price'] total_amount = NP.times(purchase_quantity, purchase_price) purchase_goods_set.append(PurchaseGoods( purchase_order=purchase_order, goods=purchase_goods_item['goods'], purchase_quantity=purchase_quantity, purchase_price=purchase_price, total_amount=total_amount, team=self.team )) total_purchase_quantity = NP.plus(total_purchase_quantity, purchase_quantity) total_purchase_amount = NP.plus(total_purchase_amount, total_amount) else: PurchaseGoods.objects.bulk_create(purchase_goods_set) total_purchase_amount = NP.plus(total_purchase_amount, purchase_order.other_amount) purchase_order.total_quantity = total_purchase_quantity purchase_order.total_amount = total_purchase_amount total_payment_amount = 0 if purchase_account_items: # 创建采购结算账户 purchase_accounts = [] for purchase_account_item in purchase_account_items: payment_amount = purchase_account_item['payment_amount'] purchase_accounts.append(PurchaseAccount( purchase_order=purchase_order, account=purchase_account_item['account'], payment_amount=payment_amount, team=self.team )) total_payment_amount = NP.plus(total_payment_amount, payment_amount) else: PurchaseAccount.objects.bulk_create(purchase_accounts) purchase_order.payment_amount = total_payment_amount purchase_order.arrears_amount = NP.minus(total_purchase_amount, total_payment_amount) purchase_order.save(update_fields=['total_quantity', 'total_amount', 'payment_amount', 'arrears_amount']) return purchase_order class PurchaseReturnOrderSerializer(BaseSerializer): """采购退货单据""" class PurchaseReturnGoodsItemSerializer(BaseSerializer): """采购退货商品""" 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 = PurchaseReturnGoods read_only_fields = ['id', 'goods_number', 'goods_name', 'goods_barcode', 'total_amount', 'unit_name'] fields = ['purchase_goods', 'goods', 'return_quantity', 'return_price', *read_only_fields] def validate_purchase_goods(self, instance): instance = self.validate_foreign_key(PurchaseGoods, instance, message='采购商品不存在') if instance.is_void: raise ValidationError(f'采购商品[{instance.name}]已作废') return instance 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_return_quantity(self, value): if value <= 0: raise ValidationError('退货数量小于或等于零') return value def validate_return_price(self, value): if value <= 0: raise ValidationError('退货单价小于或等于零') return value class PurchaseReturnAccountItemSerializer(BaseSerializer): """采购退货结算账户""" 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 = PurchaseReturnAccount 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 purchase_order_number = CharField(source='purchase_order.number', read_only=True, label='采购单据编号') 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') supplier_number = CharField(source='supplier.number', read_only=True, label='供应商编号') supplier_name = CharField(source='supplier.name', read_only=True, label='供应商名称') 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') purchase_return_goods_items = PurchaseReturnGoodsItemSerializer( source='purchase_return_goods_set', many=True, label='采购退货商品Item') purchase_return_account_items = PurchaseReturnAccountItemSerializer( source='purchase_return_accounts', required=False, many=True, label='采购退货结算账户Item') class Meta: model = PurchaseReturnOrder read_only_fields = ['id', 'purchase_order_number', 'warehouse_number', 'warehouse_name', 'supplier_number', 'supplier_name', 'handler_name', 'total_quantity', 'total_amount', 'collection_amount', 'arrears_amount', 'is_void', 'enable_auto_stock_out', 'creator', 'creator_name', 'create_time'] fields = ['number', 'purchase_order', 'warehouse', 'supplier', 'handler', 'handle_time', 'remark', 'other_amount', 'purchase_return_goods_items', 'purchase_return_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_purchase_order(self, instance): instance = self.validate_foreign_key(PurchaseOrder, instance, message='采购单据不存在') if instance.is_void: raise ValidationError(f'采购单据[{instance.name}]已作废') return instance 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_supplier(self, instance): instance = self.validate_foreign_key(Supplier, instance, message='供应商不存在') if not instance.is_active: raise ValidationError(f'供应商[{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_other_amount(self, value): if value <= 0: raise ValidationError('其他费用小于或等于零') return value def validate(self, attrs): if purchase_order := attrs.get('purchase_order'): if purchase_order.warehouse != attrs['warehouse']: raise ValidationError(f'采购单据[{purchase_order.number}]选择错误') if purchase_order.supplier != attrs['supplier']: raise ValidationError(f'采购单据[{purchase_order.number}]选择错误') return super().validate(attrs) @transaction.atomic def create(self, validated_data): purchase_return_goods_items = validated_data.pop('purchase_return_goods_set') purchase_return_account_items = validated_data.pop('purchase_return_accounts', []) validated_data['enable_auto_stock_out'] = self.team.enable_auto_stock_out validated_data['creator'] = self.user purchase_return_order = super().create(validated_data) total_return_quantity = 0 total_return_amount = 0 # 创建采购退货商品 purchase_return_goods_set = [] for purchase_return_goods_item in purchase_return_goods_items: goods = purchase_return_goods_item['goods'] return_quantity = purchase_return_goods_item['return_quantity'] purchase_goods = None if purchase_order := purchase_return_order.purchase_order: if not (purchase_goods := purchase_return_goods_item.get('purchase_goods')): raise ValidationError(f'采购单据[{purchase_order.number}]不存在商品[{goods.name}]') purchase_goods.return_quantity = NP.plus(purchase_goods.return_quantity, return_quantity) if purchase_goods.return_quantity > purchase_goods.purchase_quantity: raise ValidationError(f'退货商品[{goods.name}]退货数量错误') # 同步采购商品退货数量 purchase_goods.save(update_fields=['return_quantity']) return_price = purchase_return_goods_item['return_price'] total_amount = NP.times(return_quantity, return_price) purchase_return_goods_set.append(PurchaseReturnGoods( purchase_return_order=purchase_return_order, purchase_goods=purchase_goods, goods=goods, return_quantity=return_quantity, return_price=return_price, total_amount=total_amount, team=self.team )) total_return_quantity = NP.plus(total_return_quantity, return_quantity) total_return_amount = NP.plus(total_return_amount, total_amount) else: PurchaseReturnGoods.objects.bulk_create(purchase_return_goods_set) total_return_amount = NP.plus(total_return_amount, purchase_return_order.other_amount) purchase_return_order.total_quantity = total_return_quantity purchase_return_order.total_amount = total_return_amount total_collection_amount = 0 if purchase_return_account_items: # 创建采购退货结算账户 purchase_return_accounts = [] for purchase_return_account_item in purchase_return_account_items: collection_amount = purchase_return_account_item['collection_amount'] purchase_return_accounts.append(PurchaseReturnAccount( purchase_return_order=purchase_return_order, account=purchase_return_account_item['account'], collection_amount=collection_amount, team=self.team )) total_collection_amount = NP.plus(total_collection_amount, collection_amount) else: PurchaseReturnAccount.objects.bulk_create(purchase_return_accounts) purchase_return_order.collection_amount = total_collection_amount purchase_return_order.arrears_amount = NP.minus(total_return_amount, total_collection_amount) purchase_return_order.save(update_fields=['total_quantity', 'total_amount', 'collection_amount', 'arrears_amount']) return purchase_return_order __all__ = [ 'PurchaseOrderSerializer', 'PurchaseReturnOrderSerializer', ]