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