feat : coupon

app/Service/Api/Order/ConfirmationOrderService.php

@@ -35,10 +35,14 @@ class ConfirmationOrderService extends BaseOrderService
 
         $this->check();
 
+        $this->getCouponInfo();
+
         $this->compute();
 
         $this->autoSelectCoupon();
 
+        $this->reloadCompute();
+
         return $this->return->success('success',$this->orderRes);
     }
 
@@ -67,7 +71,7 @@ class ConfirmationOrderService extends BaseOrderService
         foreach ($filtered as &$value) {
             $value['amount'] = match ($value['coupon_type']) {
                 CouponCode::COUPON_TYPE_INSTANT_REDUCTION => $value['amount'],
-                CouponCode::COUPON_TYPE_DISCOUNT => $value['ratio'] * $orderMaxPrice,
+                CouponCode::COUPON_TYPE_DISCOUNT => bcmul(bcsub("1", $value['ratio'],2),$orderMaxPrice,2),
                 default => 0
             };
 
@@ -80,12 +84,7 @@ class ConfirmationOrderService extends BaseOrderService
         $this->couponId = $selectCouponInfo['id'];
         $this->orderRes['coupon'] = $selectCouponInfo;
         $this->orderRes['coupon_id'] = $selectCouponInfo['id'];
-
-        $this->reloadCompute();
     }
 
-    private function reloadCompute(): void
-    {
 
-    }
 }