Files
junhong_cmp_fiber/internal/service/package/usage_terms.go

48 lines
1.8 KiB
Go

package packagepkg
import (
"sync/atomic"
packagedomain "github.com/break/junhong_cmp_fiber/internal/domain/package"
"github.com/break/junhong_cmp_fiber/internal/model"
"github.com/break/junhong_cmp_fiber/pkg/errors"
"go.uber.org/zap"
)
var historicalTermsFallbackCount atomic.Uint64
// ResolveUsageTerms 优先读取使用记录快照,仅对完整空快照的历史记录显式回退。
func ResolveUsageTerms(usage *model.PackageUsage, pkg *model.Package, logger *zap.Logger) (packagedomain.TermsSnapshot, error) {
terms := packagedomain.TermsSnapshotFromUsage(usage)
if terms.IsValid() {
return terms, nil
}
if !isEmptyHistoricalTerms(usage) {
if logger != nil {
logger.Error("套餐使用记录计时快照异常", zap.Uint("package_usage_id", usage.ID), zap.Uint("package_id", usage.PackageID))
}
return packagedomain.TermsSnapshot{}, errors.New(errors.CodeInternalError, "套餐使用记录计时快照异常")
}
fallback, err := packagedomain.ResolveTermsSnapshot(pkg, nil)
if err != nil {
return packagedomain.TermsSnapshot{}, err
}
historicalTermsFallbackCount.Add(1)
if logger != nil {
logger.Warn("历史套餐使用记录缺少计时快照,回退套餐当前配置",
zap.Uint("package_usage_id", usage.ID), zap.Uint("package_id", usage.PackageID),
zap.Uint64("historical_terms_fallback_count", historicalTermsFallbackCount.Load()))
}
return fallback, nil
}
// HistoricalTermsFallbackCount 返回历史计时条款回退累计次数。
func HistoricalTermsFallbackCount() uint64 {
return historicalTermsFallbackCount.Load()
}
func isEmptyHistoricalTerms(usage *model.PackageUsage) bool {
return usage.ExpiryBaseSnapshot == "" && usage.CalendarTypeSnapshot == "" &&
usage.DurationMonthsSnapshot == 0 && usage.DurationDaysSnapshot == 0
}