shanshanzhong
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isNewUserOnlyForQuantity 原逻辑取第一条匹配记录即返回， 当同一 quantity 同时配置了 new_user_only=true 和 false 两档时， 结果依赖数组顺序，导致老用户/超24h用户触发 SubscribeNewUserOnly 错误。 修复：扫描所有同 quantity 档位，仅当存在 true 且无 false 兜底时才返回 true； 有 false 兜底则返回 false，老用户可正常购买并命中普通折扣档。 Co-Authored-By: claude-flow <ruv@ruv.net>
39 lines
1.2 KiB
Go
39 lines
1.2 KiB
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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// Returns true only when all matching tiers for the given quantity require new-user status
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// (i.e. no fallback tier with new_user_only=false exists). When both a new-user-only tier
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// and a general tier exist for the same quantity, non-new-users can still purchase via the
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// general tier, so this returns false.
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func isNewUserOnlyForQuantity(discounts []types.SubscribeDiscount, inputQuantity int64) bool {
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hasNewUserOnly := false
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hasFallback := false
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for _, d := range discounts {
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if d.Quantity != inputQuantity {
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continue
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}
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if d.NewUserOnly {
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hasNewUserOnly = true
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} else {
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hasFallback = true
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}
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}
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return hasNewUserOnly && !hasFallback
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}
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