222 lines
8.5 KiB
Python
222 lines
8.5 KiB
Python
from decimal import Decimal
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from django.db import models
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from django.db.models import Sum
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from apps.utils.models import CommonBModel, BaseModel, CommonBDModel
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from apps.mtm.models import Material
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# Create your models here.
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class Customer(CommonBModel):
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"""
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TN:客户信息
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"""
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name = models.CharField('客户名称', max_length=50, unique=True)
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address = models.CharField('详细地址', max_length=20, blank=True, null=True)
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contact = models.CharField('联系人', max_length=20)
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contact_phone = models.CharField(
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'联系电话', max_length=11, unique=True, null=True)
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description = models.CharField('描述', max_length=200, blank=True, null=True)
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class Meta:
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verbose_name = '客户信息'
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verbose_name_plural = verbose_name
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def __str__(self):
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return self.name
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class Contract(CommonBDModel):
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"""
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TN:合同信息
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"""
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STATUS_DRAFT = 10
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STATUS_ACTIVE = 20
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STATUS_DONE = 30
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STATUS_TERMINATED = 40
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STATUS_CHOICES = (
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(STATUS_DRAFT, '草稿'),
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(STATUS_ACTIVE, '执行中'),
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(STATUS_DONE, '已完成'),
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(STATUS_TERMINATED, '已终止'),
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)
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SETTLEMENT_UNRECEIVED = 10
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SETTLEMENT_PARTIAL = 20
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SETTLEMENT_FULL = 30
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SETTLEMENT_CHOICES = (
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(SETTLEMENT_UNRECEIVED, '未到款'),
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(SETTLEMENT_PARTIAL, '部分到款'),
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(SETTLEMENT_FULL, '全部到款'),
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)
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name = models.CharField('合同名称', max_length=100)
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number = models.CharField('合同编号', max_length=100, unique=True)
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amount = models.IntegerField('合同金额', default=0)
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customer = models.ForeignKey(Customer, verbose_name='关联客户',
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on_delete=models.CASCADE, related_name='contract_customer')
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sign_date = models.DateField('签订日期')
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effective_date = models.DateField('生效日期', null=True, blank=True)
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end_date = models.DateField('截止日期', null=True, blank=True)
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status = models.PositiveSmallIntegerField(
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'合同状态', choices=STATUS_CHOICES, default=STATUS_DRAFT, help_text=str(STATUS_CHOICES))
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settlement_status = models.PositiveSmallIntegerField(
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'结算状态', choices=SETTLEMENT_CHOICES, default=SETTLEMENT_UNRECEIVED, help_text=str(SETTLEMENT_CHOICES))
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received_amount = models.DecimalField('累计已到款', max_digits=14, decimal_places=2, default=0)
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unreceived_amount = models.DecimalField('累计未到款', max_digits=14, decimal_places=2, default=0)
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receive_progress = models.DecimalField('到款进度', max_digits=5, decimal_places=2, default=0)
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description = models.CharField('描述', max_length=200, blank=True, null=True)
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class Meta:
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verbose_name = '合同信息'
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verbose_name_plural = verbose_name
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def __str__(self):
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return self.name
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def save(self, *args, **kwargs):
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refresh_settlement = kwargs.pop('refresh_settlement', True)
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super().save(*args, **kwargs)
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if refresh_settlement:
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self.refresh_settlement()
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def refresh_settlement(self):
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received_amount = ContractRecord.objects.filter(contract=self).aggregate(
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total=Sum('amount')
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)['total'] or Decimal('0.00')
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contract_amount = Decimal(str(self.amount or 0)).quantize(Decimal('0.01'))
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unreceived_amount = contract_amount - received_amount
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if unreceived_amount < Decimal('0.00'):
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unreceived_amount = Decimal('0.00')
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if contract_amount <= Decimal('0.00'):
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receive_progress = Decimal('0.00')
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else:
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receive_progress = (received_amount * Decimal('100.00') / contract_amount).quantize(Decimal('0.01'))
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if receive_progress > Decimal('100.00'):
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receive_progress = Decimal('100.00')
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if received_amount <= Decimal('0.00'):
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settlement_status = self.SETTLEMENT_UNRECEIVED
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elif received_amount >= contract_amount and contract_amount > Decimal('0.00'):
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settlement_status = self.SETTLEMENT_FULL
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else:
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settlement_status = self.SETTLEMENT_PARTIAL
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status = self.status
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if status != self.STATUS_TERMINATED:
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if received_amount <= Decimal('0.00'):
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status = self.STATUS_DRAFT
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elif received_amount >= contract_amount and contract_amount > Decimal('0.00'):
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status = self.STATUS_DONE
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else:
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status = self.STATUS_ACTIVE
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type(self).objects.filter(pk=self.pk).update(
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received_amount=received_amount,
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unreceived_amount=unreceived_amount,
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receive_progress=receive_progress,
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settlement_status=settlement_status,
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status=status,
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)
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self.received_amount = received_amount
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self.unreceived_amount = unreceived_amount
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self.receive_progress = receive_progress
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self.settlement_status = settlement_status
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self.status = status
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class Order(CommonBModel):
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"""
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TN:订单信息
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"""
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ORDER_CREATE = 10
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ORDER_SUBMITED = 20
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ORDER_DOING = 30
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ORDER_DELIVERED = 40
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ORDER_STATES = (
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(10, '创建中'),
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(20, '已提交'),
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(30, '进行中'),
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(40, '已交付')
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)
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state = models.PositiveSmallIntegerField(
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'订单状态', default=ORDER_CREATE, choices=ORDER_STATES, help_text=str(ORDER_STATES))
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number = models.CharField('订单编号', max_length=100, unique=True)
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customer = models.ForeignKey(
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Customer, verbose_name='客户', on_delete=models.CASCADE)
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contract = models.ForeignKey(
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Contract, verbose_name='所属合同', null=True, blank=True, on_delete=models.SET_NULL)
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delivery_date = models.DateField('截止交货日期')
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items = models.ManyToManyField(
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Material, verbose_name='订单明细', through='sam.orderitem', blank=True)
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submit_time = models.DateTimeField('提交时间', null=True, blank=True)
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class Meta:
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verbose_name = '订单信息'
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verbose_name_plural = verbose_name
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class OrderItem(BaseModel):
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"""
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TN:订单明细
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"""
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order = models.ForeignKey(
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Order, verbose_name='关联订单', on_delete=models.CASCADE, related_name='item_order')
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material = models.ForeignKey(
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Material, verbose_name='所需产品', on_delete=models.CASCADE, related_name='orderitem_material')
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count = models.PositiveIntegerField('所需数量', default=1)
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delivered_count = models.PositiveIntegerField('已交货数量', default=0)
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utask = models.ForeignKey('pm.utask', verbose_name='关联生产大任务',
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on_delete=models.SET_NULL, null=True, blank=True)
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class ContractRecord(CommonBDModel):
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"""
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TN:销售合同到款流水
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"""
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STAGE_FIRST = 10
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STAGE_MIDDLE = 20
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STAGE_FINAL = 30
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STAGE_OTHER = 40
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STAGE_CHOICES = (
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(STAGE_FIRST, '首款'),
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(STAGE_MIDDLE, '中间款'),
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(STAGE_FINAL, '尾款'),
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(STAGE_OTHER, '其他'),
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)
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PAY_BANK = 10
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PAY_CASH = 20
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PAY_ACCEPTANCE = 30
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PAY_WECHAT = 40
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PAY_ALIPAY = 50
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PAY_OTHER = 60
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PAY_METHOD_CHOICES = (
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(PAY_BANK, '银行转账'),
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(PAY_CASH, '现金'),
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(PAY_ACCEPTANCE, '承兑'),
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(PAY_WECHAT, '微信'),
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(PAY_ALIPAY, '支付宝'),
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(PAY_OTHER, '其他'),
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)
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contract = models.ForeignKey(
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Contract, verbose_name='销售合同', on_delete=models.CASCADE, related_name='records')
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record_date = models.DateField('到款日期')
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amount = models.DecimalField('到款金额', max_digits=14, decimal_places=2)
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stage_type = models.PositiveSmallIntegerField(
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'阶段类型', choices=STAGE_CHOICES, default=STAGE_OTHER, help_text=str(STAGE_CHOICES))
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pay_method = models.PositiveSmallIntegerField(
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'收款方式', choices=PAY_METHOD_CHOICES, default=PAY_BANK, help_text=str(PAY_METHOD_CHOICES))
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voucher_no = models.CharField('凭证号', max_length=100, null=True, blank=True)
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remark = models.CharField('备注', max_length=200, null=True, blank=True)
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class Meta:
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verbose_name = '销售合同到款流水'
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verbose_name_plural = verbose_name
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ordering = ['-record_date', '-create_time']
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def save(self, *args, **kwargs):
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super().save(*args, **kwargs)
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self.contract.refresh_settlement()
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def delete(self, using=None, *args, **kwargs):
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contract = self.contract
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result = super().delete(using=using, *args, **kwargs)
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contract.refresh_settlement()
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return result
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