54 lines
2.3 KiB
Go
54 lines
2.3 KiB
Go
package mysql
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import "hyapp/pkg/xerr"
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// giftPointPolicyAmounts 把一次付费礼物拆成主播 POINT 与 Agency POINT 两个独立账务分量。
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// AgencyShareBaseAmount 一并固化到审计流水，避免策略发布后只能看到 20% 却无法证明当时的计算基数。
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type giftPointPolicyAmounts struct {
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HostPointAdded int64
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AgencyPointAdded int64
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AgencyShareBaseAmount int64
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}
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// calculateGiftPointPolicyAmounts 只处理金额公式，不决定 Agency 资格；owner 快照仍由 gateway 在
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// 送礼受理时从 user-service 获取，并由调用方在 owner_id>0 时才真正写 Agency 账。
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func calculateGiftPointPolicyAmounts(chargeAmount int64, giftTypeRatio giftDiamondRatioSnapshot, policy walletPolicyInstance) (giftPointPolicyAmounts, error) {
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if chargeAmount < 0 || giftTypeRatio.PPM < 0 || giftTypeRatio.PPM > 1_000_000 {
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return giftPointPolicyAmounts{}, xerr.New(xerr.InvalidArgument, "gift point policy amount is invalid")
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}
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hostBaseAmount := chargeAmount
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if policy.HostGiftTypeRatioEnabled {
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// Fami 的普通/幸运/超级幸运礼物先沿用主播原有 100%/10%/1% 钻石口径；区域覆盖也在
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// 调用本函数前由 wallet owner 解析。这里保留两阶段向下取整，严格对应“主播实收后的 20%”。
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var err error
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hostBaseAmount, err = giftDiamondAmount(chargeAmount, giftTypeRatio.PPM)
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if err != nil {
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return giftPointPolicyAmounts{}, err
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}
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}
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hostPointAdded, err := giftDiamondAmount(hostBaseAmount, policy.HostPointRatioPPM)
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if err != nil {
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return giftPointPolicyAmounts{}, err
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}
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agencyShareBaseAmount := chargeAmount
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switch policy.AgencyPointShareBase {
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case agencyPointShareBaseChargeAmount:
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// 旧政策直接从礼物实扣金额切分 Agency POINT，保持已发布 Huwaa/Fami 历史实例兼容。
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case agencyPointShareBaseHostIncome:
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agencyShareBaseAmount = hostPointAdded
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default:
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return giftPointPolicyAmounts{}, xerr.New(xerr.InvalidArgument, "wallet policy agency share base is invalid")
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}
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agencyPointAdded, err := giftDiamondAmount(agencyShareBaseAmount, policy.AgencyPointRatioPPM)
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if err != nil {
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return giftPointPolicyAmounts{}, err
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}
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return giftPointPolicyAmounts{
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HostPointAdded: hostPointAdded,
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AgencyPointAdded: agencyPointAdded,
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AgencyShareBaseAmount: agencyShareBaseAmount,
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}, nil
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}
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