更新优惠券活动。

app/api/endpoints/coupon_activity.py

@@ -96,9 +96,19 @@ async def get_coupon_activities(
         .limit(limit)\
         .all()
 
+    # 查询每个活动被领取的次数
+    activities_data = []
+    for activity in activities:
+        receive_count = db.query(func.sum(CouponReceiveRecordDB.receive_count)).filter(
+            CouponReceiveRecordDB.activity_id == activity.id,
+        ).scalar()
+        activity_data = CouponActivityInfo.model_validate(activity).model_dump()
+        activity_data.update({'receive_count': receive_count})
+        activities_data.append(activity_data)
+    
     return success_response(data={
         "total": total,
-        "items": [CouponActivityInfo.model_validate(a) for a in activities]
+        "items": activities_data
     })
 
 @router.post("/{activity_id}/receive", response_model=ResponseModel)

app/models/coupon.py

@@ -44,12 +44,12 @@ class UserCouponDB(Base):
 # Pydantic 模型
 class CouponCreate(BaseModel):
     name: str = Field(..., max_length=100)
-    amount: Optional[float] = Field(None, gt=0)
+    amount: Optional[float] = Field(None)
     coupon_type: CouponType = Field(CouponType.CASH)
 
 class CouponUpdate(BaseModel):
     name: Optional[str] = Field(None, max_length=100)
-    amount: Optional[float] = Field(None, gt=0)
+    amount: Optional[float] = Field(None)
     coupon_type: CouponType = Field(CouponType.CASH)
 
 class CouponInfo(BaseModel):