feat: 为折扣计算函数 getDiscount 引入新用户判断逻辑以支持新用户专属折扣。

internal/logic/public/portal/tool.go

@@ -6,10 +6,13 @@ import (
 	"github.com/perfect-panel/server/internal/types"
 )
 
-func getDiscount(discounts []types.SubscribeDiscount, inputMonths int64) float64 {
+func getDiscount(discounts []types.SubscribeDiscount, inputMonths int64, isNewUser bool) float64 {
 	var finalDiscount float64 = 100
 
 	for _, discount := range discounts {
+		if discount.NewUserOnly && !isNewUser {
+			continue
+		}
 		if inputMonths >= discount.Quantity && discount.Discount < finalDiscount {
 			finalDiscount = discount.Discount
 		}