HimoolERP/apps/sales/serializers.py
2021-07-22 23:02:51 +08:00

133 lines
5.3 KiB
Python

from .models import SalesOrder, SalesTask, Client, PaymentRecord
from rest_framework import serializers
from django.db.models import Sum, F
from warehouse.models import Flow
import re
class SalesOrderSerializer(serializers.ModelSerializer):
goods_set = serializers.SerializerMethodField('get_goods_set')
class Meta:
model = SalesOrder
read_only_fields = ['id', 'seller_username', 'warehouse_name', 'account_name', 'is_done',
'goods_set', 'total_amount']
fields = ['date', 'seller', 'warehouse', 'account', 'discount', 'amount', 'client_phone',
'client_contacts', 'client_name', 'client_address', 'remark', 'is_return',
'sales_order', *read_only_fields]
def validate(self, data):
if not data.get('seller') or not data.get('warehouse') or not data.get('account'):
raise serializers.ValidationError
if data.get('amount') is None or not data.get('date'):
raise serializers.ValidationError
if data.get('discount') is None or data['discount'] <= 0:
raise serializers.ValidationError
client_phone = data.get('client_phone')
if client_phone and not re.match(r'^1[3456789]\d{9}$', client_phone):
raise serializers.ValidationError
# 验证修改销售员权利
if self.context['request'].user.username != data['seller']:
user_roles = self.context['request'].user.roles.all()
permissions = sum(user_roles.values_list('permissions', flat=True), [])
if user_roles.count() != 0 and 'CHANGE_SELLER' not in permissions:
raise serializers.ValidationError
# goods_set
goods_set = self.context['request'].data.get('goods_set', [])
if not goods_set:
raise serializers.ValidationError
for item in goods_set:
if item.get('id') is None or item.get('retail_price') is None:
raise serializers.ValidationError
if not item.get('quantity') or item['quantity'] <= 0:
raise serializers.ValidationError
# 退货单
if data.get('is_return', False) and not data.get('sales_order'):
raise serializers.ValidationError
return data
def get_goods_set(self, obj):
return obj.goods_set.all().values('id', 'code', 'name', 'specification', 'unit', 'quantity',
'retail_price', 'amount', 'remark')
class SalesPaymentRecordSerializer(serializers.ModelSerializer):
client_name = serializers.SerializerMethodField('get_client_name')
class Meta:
model = PaymentRecord
read_only_fields = ['sales_order', 'date', 'amount', 'remark', 'client_name']
fields = [*read_only_fields]
def get_client_name(self, obj):
return obj.sales_order.client_name
class SalesOrderProfitSerializer(serializers.ModelSerializer):
goods_set = serializers.SerializerMethodField('get_goods_set')
class Meta:
model = SalesOrder
read_only_fields = ['id', 'date', 'warehouse', 'warehouse_name', 'discount', 'goods_set']
fields = [*read_only_fields]
def get_goods_set(self, obj):
return obj.goods_set.all().values('id', 'code', 'name', 'specification', 'unit', 'quantity',
'retail_price', 'purchase_price', 'remark')
class SalesTaskSerializer(serializers.ModelSerializer):
goods_name = serializers.SerializerMethodField('get_goods_name')
warehouse_name = serializers.SerializerMethodField('get_warehouse_name')
completed_quantity = serializers.SerializerMethodField('get_completed_quantity')
class Meta:
model = SalesTask
fields = ['id', 'goods', 'goods_name', 'warehouse', 'warehouse_name', 'quantity',
'start_date', 'end_date', 'create_date', 'completed_quantity']
read_only_fields = ['id', 'goods_name', 'warehouse_name', 'create_date', 'completed_quantity']
def validate(self, data):
if not data.get('goods') or not data.get('warehouse') or data.get('quantity') is None:
raise serializers.ValidationError
if not data.get('start_date') or not data.get('end_date'):
raise serializers.ValidationError
teams = self.context['request'].user.teams
if data['goods'].teams != teams or data['warehouse'].teams != teams:
raise serializers.ValidationError
return data
def get_goods_name(self, obj):
return obj.goods.name
def get_warehouse_name(self, obj):
return obj.warehouse.name
def get_completed_quantity(self, obj):
result = Flow.objects.filter(teams=obj.teams, goods=obj.goods, warehouse=obj.warehouse, create_datetime__gte=obj.start_date,
create_datetime__lte=obj.end_date, sales_order__isnull=False).aggregate(total=Sum('change_quantity'))
return -result['total'] if result['total'] else 0
class ClientSerializer(serializers.ModelSerializer):
class Meta:
model = Client
fields = ['id', 'phone', 'name', 'address', 'email', 'create_date', 'contacts']
read_only_fields = ['id', 'create_date']
def validate(self, data):
if not data.get('phone'):
raise serializers.ValidationError
return data