fix: 今日订单假单批次并发创建防重

orders/services/today_orders.py

@@ -7,6 +7,7 @@ from datetime import datetime, time, timedelta
 from decimal import Decimal
 
 from django.conf import settings
+from django.db import IntegrityError
 from django.db.models import Count, Q
 from django.utils import timezone
 
@@ -51,7 +52,12 @@ def get_or_create_config(club_id: str) -> TodayOrderShowConfig:
     if row:
         return row
     row = TodayOrderShowConfig(club_id=cid, mix_enabled=False, batch_size=5, interval_seconds=120)
-    row.save()
+    try:
+        row.save()
+    except IntegrityError:
+        row = TodayOrderShowConfig.query.filter(club_id=cid).first()
+        if not row:
+            raise
     return row
 
 
@@ -143,7 +149,15 @@ def _pick_fake_batch(club_id: str, cfg: TodayOrderShowConfig) -> list[TodayOrder
             state = TodayOrderFakeBatchState(club_id=club_id)
         state.last_shuffle_at = now
         state.fake_ids = ids
-        state.save()
+        try:
+            state.save()
+        except IntegrityError:
+            # 并发首次创建同一 club 批次行：改更新已有行
+            state = TodayOrderFakeBatchState.query.filter(club_id=club_id).first()
+            if state:
+                state.last_shuffle_at = now
+                state.fake_ids = ids
+                state.save()
         return chosen
     id_set = set(ids)
     return [x for x in pool if int(x.id) in id_set]