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feat(iap/apple): 增强商品ID解析逻辑以支持多种时间单位

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扩展商品ID解析功能，支持从day/month/year格式中提取单位和数量
根据不同的时间单位计算对应的订阅时长
This commit is contained in:
shanshanzhong 2025-12-17 19:05:55 -08:00
parent 5d7ca4b9bd
commit e98709b511
1 changed files with 40 additions and 12 deletions
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52
internal/logic/public/iap/apple/attachTransactionLogic.go
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@ -58,21 +58,40 @@ func (l *AttachTransactionLogic) Attach(req *types.AttachAppleTransactionRequest
existTx, _ = iapmodel.NewModel(l.svcCtx.DB, l.svcCtx.Redis).FindByOriginalId(l.ctx, txPayload.OriginalTransactionId)
l.Infow("幂等等检查", logger.Field("originalTransactionId", txPayload.OriginalTransactionId), logger.Field("exists", existTx != nil && existTx.Id > 0))
// 从 Apple 商品ID中解析购买数量（天数），形如 com.hifastvpn.plan.day7 -> 7
// 解析 Apple 商品ID中的单位与数量：支持 dayN / monthN / yearN
var parsedUnit string
var parsedQuantity int64
if idx := strings.Index(strings.ToLower(txPayload.ProductId), "day"); idx >= 0 {
sub := txPayload.ProductId[idx+3:]
for i := 0; i < len(sub); i++ {
if sub[i] < '0' || sub[i] > '9' {
sub = sub[:i]
break
{
pid := strings.ToLower(txPayload.ProductId)
var unitIdx = -1
var unitLen = 0
if i := strings.Index(pid, "day"); i >= 0 {
unitIdx, unitLen, parsedUnit = i, 3, "Day"
}
if i := strings.Index(pid, "month"); i >= 0 {
if unitIdx == -1 || i < unitIdx {
unitIdx, unitLen, parsedUnit = i, 5, "Month"
}
}
if q, e := strconv.ParseInt(sub, 10, 64); e == nil && q > 0 {
parsedQuantity = q
if i := strings.Index(pid, "year"); i >= 0 {
if unitIdx == -1 || i < unitIdx {
unitIdx, unitLen, parsedUnit = i, 4, "Year"
}
}
if unitIdx >= 0 {
sub := pid[unitIdx+unitLen:]
for i := 0; i < len(sub); i++ {
if sub[i] < '0' || sub[i] > '9' {
sub = sub[:i]
break
}
}
if q, e := strconv.ParseInt(sub, 10, 64); e == nil && q > 0 {
parsedQuantity = q
}
}
}
l.Infow("商品映射解析", logger.Field("productId", txPayload.ProductId), logger.Field("解析数量", parsedQuantity))
l.Infow("商品映射解析", logger.Field("productId", txPayload.ProductId), logger.Field("解析单位", parsedUnit), logger.Field("解析数量", parsedQuantity))
// 基于订阅列表的折扣配置做匹配：UnitTime=Day 且 Discount.quantity == parsedQuantity
var duration int64
@ -88,7 +107,7 @@ func (l *AttachTransactionLogic) Attach(req *types.AttachAppleTransactionRequest
})
if e == nil && len(subs) > 0 {
for _, item := range subs {
if !strings.EqualFold(item.UnitTime, "Day") {
if parsedUnit != "" && !strings.EqualFold(item.UnitTime, parsedUnit) {
continue
}
var discounts []types.SubscribeDiscount
@ -97,7 +116,16 @@ func (l *AttachTransactionLogic) Attach(req *types.AttachAppleTransactionRequest
}
for _, d := range discounts {
if int64(d.Quantity) == parsedQuantity {
duration = parsedQuantity
switch parsedUnit {
case "Day":
duration = parsedQuantity
case "Month":
duration = parsedQuantity * 30
case "Year":
duration = parsedQuantity * 365
default:
duration = parsedQuantity
}
subscribeId = item.Id
tier = item.Name
l.Infow("订阅映射命中", logger.Field("subscribeId", subscribeId), logger.Field("name", tier), logger.Field("durationDays", duration))