File size: 3,630 Bytes
b4f2238 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | """保全措施法律约束校验器."""
from __future__ import annotations
import logging
from typing import ClassVar
from django.utils.translation import gettext_lazy as _
from .models import PreservationMeasure
logger = logging.getLogger(__name__)
class MeasureValidator:
"""保全措施法律约束校验器.
对提取的保全措施进行法律约束和逻辑一致性校验，
仅追加 ``pending_note``，不修改其他字段。
"""
# 法定期限上限（天数, 提示文案）
DURATION_LIMITS: ClassVar[dict[str, tuple[int, str]]] = {
"查封": (1095, str(_("不动产查封最长3年"))),
"冻结": (365, str(_("银行存款冻结最长1年"))),
"扣押": (730, str(_("动产扣押最长2年"))),
}
# ---- 校验提示文案 ----
_MSG_DATE_INVERTED: str = str(_("到期日期早于起算日期，请人工核实"))
_MSG_DURATION_EXCEEDED: str = str(_("期限超过法定上限（{limit_desc}），请人工核实"))
_MSG_PENDING_HAS_END_DATE: str = str(_("轮候状态不应有确定到期日期，请人工核实"))
# 多条提示之间的分隔符
_SEP: str = "；"
# ------------------------------------------------------------------
# public
# ------------------------------------------------------------------
def validate(self, measure: PreservationMeasure) -> PreservationMeasure:
"""校验单个措施，追加校验提示到 ``pending_note``，不修改原始数据."""
warnings: list[str] = []
self._check_date_order(measure, warnings)
self._check_duration_limit(measure, warnings)
self._check_pending_end_date(measure, warnings)
if warnings:
existing = measure.pending_note or ""
suffix = self._SEP.join(warnings)
measure.pending_note = f"{existing}{self._SEP}{suffix}" if existing else suffix
return measure
def validate_all(self, measures: list[PreservationMeasure]) -> list[PreservationMeasure]:
"""批量校验."""
return [self.validate(m) for m in measures]
# ------------------------------------------------------------------
# private checks
# ------------------------------------------------------------------
def _check_date_order(
self,
measure: PreservationMeasure,
warnings: list[str],
) -> None:
"""规则 1：end_date < start_date → 追加提示."""
if measure.start_date is not None and measure.end_date is not None and measure.end_date < measure.start_date:
warnings.append(self._MSG_DATE_INVERTED)
def _check_duration_limit(
self,
measure: PreservationMeasure,
warnings: list[str],
) -> None:
"""规则 2/3/4：期限超过法定上限 → 追加提示."""
if measure.start_date is None or measure.end_date is None:
return
actual_days = (measure.end_date - measure.start_date).days
for keyword, (max_days, limit_desc) in self.DURATION_LIMITS.items():
if keyword in measure.measure_type and actual_days > max_days:
warnings.append(self._MSG_DURATION_EXCEEDED.format(limit_desc=limit_desc))
break # 每个措施只匹配一种类型
def _check_pending_end_date(
self,
measure: PreservationMeasure,
warnings: list[str],
) -> None:
"""规则 5：is_pending=True 且 end_date 不为 None → 追加提示."""
if measure.is_pending and measure.end_date is not None:
warnings.append(self._MSG_PENDING_HAS_END_DATE)
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