fix: 修复 rollback --since 日期字符串解析报错

Co-authored-by: Cursor <cursoragent@cursor.com>

jituan/management/commands/audit_member_bug_impact.py

@@ -25,6 +25,7 @@ from jituan.services.member_recharge import (
     MEMBER_PAID_STATUS,
     _czjilu_entitlement_end,
     _czjilu_entitlement_revoked,
+    _parse_since_option,
     club_huiyuan_sellable,
     _order_is_trial_like,
 )
@@ -58,7 +59,8 @@ def _suspected_repair_restore(rec, since=None):
     且存在匹配充值单原定期限在 UpdateTime 之前已结束。
     """
     updated = _normalize_datetime_for_compare(rec.UpdateTime)
-    if since and updated < _normalize_datetime_for_compare(since):
+    since_dt = _parse_since_option(since)
+    if since_dt and updated < since_dt:
         return None
     daoqi = _normalize_datetime_for_compare(rec.daoqi_time)
     gap = daoqi - updated

jituan/services/member_recharge.py

@@ -17,7 +17,7 @@ import hashlib
 import logging
 import random
 import string
-from datetime import timedelta
+from datetime import datetime, timedelta
 from decimal import Decimal
 
 import defusedxml.ElementTree as ET
@@ -696,6 +696,24 @@ def order_purchase_days_locked(order, club_id=None):
     return max(int(days or 0), 1)
 
 
+def _parse_since_option(since):
+    """管理命令 --since 字符串 → 可比较的 datetime。"""
+    from django.utils.dateparse import parse_date, parse_datetime
+    from jituan.services.huiyuan_bundle import _normalize_datetime_for_compare
+
+    if not since:
+        return None
+    if not isinstance(since, str):
+        return _normalize_datetime_for_compare(since)
+    dt = parse_datetime(since)
+    if dt is None:
+        d = parse_date(since)
+        if d is None:
+            return None
+        dt = datetime.combine(d, datetime.min.time())
+    return _normalize_datetime_for_compare(dt)
+
+
 def is_suspected_bug_repair_restore(rec, since=None):
     """
     Bug repair 指纹：UpdateTime 时将 daoqi 设为 UpdateTime+days，
@@ -705,7 +723,8 @@ def is_suspected_bug_repair_restore(rec, since=None):
     from jituan.services.huiyuan_bundle import _normalize_datetime_for_compare
 
     updated = _normalize_datetime_for_compare(rec.UpdateTime)
-    if since and updated < _normalize_datetime_for_compare(since):
+    since_dt = _parse_since_option(since)
+    if since_dt and updated < since_dt:
         return None
     daoqi = _normalize_datetime_for_compare(rec.daoqi_time)
     gap_days = (daoqi - updated).days