62 lines
1.6 KiB
Python
62 lines
1.6 KiB
Python
"""催缴纳入规则（纯函数）"""
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from __future__ import annotations
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from datetime import date, timedelta
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from decimal import Decimal
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from typing import Any, Dict, Iterable, Mapping, Optional, Tuple
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from app.services.sample_payment_period_summary import summarize_period
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def _dec(v: Any) -> Decimal:
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if v is None or v == "":
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return Decimal("0")
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return Decimal(str(v))
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def chase_period_money(
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*,
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due_amount: Any,
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transfers: Iterable[Mapping[str, Any]],
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) -> Tuple[Decimal, Decimal]:
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"""已缴 = 仅 yjf；欠缴 = max(应缴 − 已缴, 0)。"""
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summary: Dict[str, Any] = summarize_period(
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due_amount=due_amount, transfers=transfers
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)
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return summary["displayPaidAmount"], summary["arrearsAmount"]
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def is_chase_candidate(*, due_date: date, today: date, arrears: Any) -> bool:
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"""欠缴>0，且应缴日已逾期或落在 [today, today+30]。"""
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if _dec(arrears) <= 0:
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return False
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if due_date < today:
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return True
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return today <= due_date <= today + timedelta(days=30)
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def parse_due_date_ymd(raw: Any) -> Optional[date]:
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value = str(raw or "")
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if len(value) == 8 and value.isdigit():
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normalized = value
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elif (
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len(value) == 10
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and value[4] == "-"
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and value[7] == "-"
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and value[:4].isdigit()
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and value[5:7].isdigit()
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and value[8:].isdigit()
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):
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normalized = value.replace("-", "")
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else:
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return None
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try:
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return date(
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int(normalized[:4]),
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int(normalized[4:6]),
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int(normalized[6:8]),
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)
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except ValueError:
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return None
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