update

app/api/endpoints/merchant_order.py

@@ -79,7 +79,7 @@ async def create_merchant_order(
         merchant_product_id=order.merchant_product_id,
         order_amount=original_amount,
         pay_amount=pay_amount,
-        gift_points=float(product.sale_price) * settings.POINT_RATIO,
+        gift_points=float(product.sale_price) * (float(product.gift_points_rate) / 100) * settings.POINT_RATIO,
         status=MerchantOrderStatus.CREATED,
         order_verify_code=verify_code
     )
@@ -365,7 +365,7 @@ async def calculate_order_price(
         return error_response(code=404, message="商品不存在")
     
     return success_response(data={
-        "gift_points": float(product.sale_price) * settings.POINT_RATIO,
+        "gift_points": float(product.sale_price) * (float(product.gift_points_rate) / 100) * settings.POINT_RATIO,
         "amount": product.sale_price
     })
 

app/api/endpoints/merchant_pay_order.py

@@ -15,9 +15,35 @@ from app.models.user import UserDB
 from app.core.response import success_response, error_response, ResponseModel
 from datetime import datetime, timezone
 from app.core.config import settings
+from pydantic import BaseModel
 
 router = APIRouter()
 
+class CalculatePointsRequest(BaseModel):
+    """计算积分请求"""
+    merchant_id: int
+    amount: float
+
+@router.post("/calculate-points", response_model=ResponseModel)
+async def calculate_gift_points(
+    request: CalculatePointsRequest,
+    db: Session = Depends(get_db)
+):
+    """计算支付订单可获得的积分数量"""
+    # 检查商家是否存在
+    merchant = db.query(MerchantDB).filter(
+        MerchantDB.id == request.merchant_id
+    ).first()
+    if not merchant:
+        return error_response(code=404, message="商家不存在")
+    
+    # 计算赠送积分
+    gift_points = request.amount * (float(merchant.pay_gift_points_rate) / 100) * settings.POINT_RATIO
+    
+    return success_response(data={
+        "gift_points": float(gift_points)
+    })
+
 @router.post("", response_model=ResponseModel)
 async def create_pay_order(
     order: MerchantPayOrderCreate,
@@ -41,7 +67,7 @@ async def create_pay_order(
         merchant_id=order.merchant_id,
         user_id=current_user.userid,
         amount=order.amount,
-        gift_points=order.amount * settings.POINT_RATIO
+        gift_points=order.amount * (merchant.pay_gift_points_rate / 100) * settings.POINT_RATIO
     )
     
     try:

app/api/endpoints/merchant_product.py

@@ -59,6 +59,7 @@ async def update_product(
     
     update_data = product.model_dump(exclude_unset=True)
     for key, value in update_data.items():
+        if value is not None:
             setattr(db_product, key, value)
     
     try: