Files
2026-06-22 08:55:57 +08:00

46 lines
1.2 KiB
Go

package runners
import (
"context"
"log/slog"
"time"
)
// AuditRetentionRepo is the minimal surface this runner needs.
// internal/audit.Reader satisfies it (PurgeBefore).
type AuditRetentionRepo interface {
PurgeBefore(ctx context.Context, before time.Time) (int64, error)
}
// AuditRetention deletes audit_logs older than retention. Periodic; idempotent.
type AuditRetention struct {
repo AuditRetentionRepo
retention time.Duration
log *slog.Logger
}
// NewAuditRetention builds the audit-log retention purger.
func NewAuditRetention(repo AuditRetentionRepo, retention time.Duration, log *slog.Logger) *AuditRetention {
if log == nil {
log = slog.Default()
}
return &AuditRetention{repo: repo, retention: retention, log: log}
}
// Run purges once. A non-positive retention disables the purge (safety: never
// delete the whole table when misconfigured).
func (r *AuditRetention) Run(ctx context.Context) {
if r.retention <= 0 {
return
}
cutoff := time.Now().Add(-r.retention)
rows, err := r.repo.PurgeBefore(ctx, cutoff)
if err != nil {
r.log.Error("audit_retention.purge", "err", err.Error())
return
}
if rows > 0 {
r.log.Info("audit_retention.purged", "count", rows, "before", cutoff.UTC().Format(time.RFC3339))
}
}