| """客户回款记录模型""" |
|
|
| from __future__ import annotations |
|
|
| from decimal import Decimal |
| from typing import TYPE_CHECKING, Any, ClassVar |
|
|
| from django.db import models |
| from django.utils.translation import gettext_lazy as _ |
|
|
| if TYPE_CHECKING: |
| from django.db.models.fields.related_descriptors import RelatedManager |
|
|
| from apps.cases.models import Case |
|
|
| from .contract import Contract |
|
|
|
|
| class ClientPaymentRecord(models.Model): |
| """客户回款记录""" |
|
|
| id: int |
| contract: models.ForeignKey[Contract | None, Contract] = models.ForeignKey( |
| "contracts.Contract", |
| on_delete=models.CASCADE, |
| related_name="client_payment_records", |
| verbose_name=_("关联合同"), |
| ) |
| case: models.ForeignKey[Any | None, Any] = models.ForeignKey( |
| "cases.Case", |
| on_delete=models.SET_NULL, |
| null=True, |
| blank=True, |
| related_name="client_payment_records", |
| verbose_name=_("关联案件"), |
| ) |
| amount: Decimal = models.DecimalField( |
| max_digits=14, |
| decimal_places=2, |
| verbose_name=_("回款金额"), |
| ) |
| image_path = models.CharField( |
| max_length=500, |
| blank=True, |
| null=True, |
| verbose_name=_("凭证图片路径"), |
| ) |
| note = models.TextField( |
| blank=True, |
| null=True, |
| verbose_name=_("备注"), |
| ) |
| created_at = models.DateTimeField( |
| auto_now_add=True, |
| verbose_name=_("创建时间"), |
| ) |
|
|
| class Meta: |
| verbose_name = _("客户回款") |
| verbose_name_plural = _("客户回款") |
| ordering = ["-created_at"] |
| indexes: ClassVar = [ |
| models.Index(fields=["contract"]), |
| models.Index(fields=["-created_at"]), |
| ] |
|
|
| def __str__(self) -> str: |
| return f"{self.contract.name} - ¥{self.amount}" |
|
|
