shanshanzhong
c431393266
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将 getDiscount 和 isNewUserOnlyForQuantity 的匹配逻辑从 inputMonths >= discount.Quantity 改为 inputMonths == discount.Quantity， 买多少天就用多少天对应的折扣，避免错误配置导致折扣泄漏。 同时增加 discount 值合法性校验（>0 且 <100）。 Co-Authored-By: claude-flow <ruv@ruv.net>
29 lines
750 B
Go
29 lines
750 B
Go
package order
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import "github.com/perfect-panel/server/internal/types"
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func getDiscount(discounts []types.SubscribeDiscount, inputMonths int64, isNewUser bool) float64 {
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for _, discount := range discounts {
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if discount.NewUserOnly && !isNewUser {
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continue
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}
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if inputMonths == discount.Quantity && discount.Discount > 0 && discount.Discount < 100 {
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return discount.Discount / float64(100)
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}
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}
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return 1
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}
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// isNewUserOnlyForQuantity checks whether the matched discount tier has new_user_only enabled.
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func isNewUserOnlyForQuantity(discounts []types.SubscribeDiscount, inputQuantity int64) bool {
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for _, discount := range discounts {
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if inputQuantity == discount.Quantity {
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return discount.NewUserOnly
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}
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}
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return false
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}
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