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https://github.com/Awuqing/BackupX.git
synced 2026-09-06 07:56:41 +08:00
feat(backup): GFS 分层保留策略(祖父-父-子)+ 任务表单配置 (#85)
新增 GFS 分层保留:按天/周/月/年保留代表性备份,各层级并集;任一>0 启用、全0 维持原策略(兼容),锁定记录豁免。后端 retention 算法+任务字段贯通,前端任务表单 GFS 配置。go test、tsc+vite 通过。
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@@ -93,6 +93,81 @@ func TestSelectRecordsToDelete(t *testing.T) {
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}
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}
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func gfsRecord(id uint, ts time.Time, locked bool) model.BackupRecord {
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completed := ts
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return model.BackupRecord{ID: id, StartedAt: ts, CompletedAt: &completed, Locked: locked}
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}
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func gfsDay(y, m, d, h int) time.Time {
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return time.Date(y, time.Month(m), d, h, 0, 0, 0, time.UTC)
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}
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func deletedIDSet(records []model.BackupRecord) map[uint]bool {
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out := make(map[uint]bool, len(records))
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for i := range records {
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out[records[i].ID] = true
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}
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return out
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}
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func assertDeleted(t *testing.T, del []model.BackupRecord, want ...uint) {
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t.Helper()
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got := deletedIDSet(del)
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if len(got) != len(want) {
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t.Fatalf("deleted set size = %d %v, want %d %v", len(got), got, len(want), want)
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}
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for _, id := range want {
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if !got[id] {
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t.Fatalf("expected id %d to be deleted; got %v", id, got)
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}
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}
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}
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// TestSelectGFSToDelete_DailyTier 验证按天分层:每天仅保留最新一份,且只保留最近 N 天。
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func TestSelectGFSToDelete_DailyTier(t *testing.T) {
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records := []model.BackupRecord{
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gfsRecord(5, gfsDay(2026, 3, 7, 12), false), // 今天,最新 → 保留
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gfsRecord(4, gfsDay(2026, 3, 7, 6), false), // 今天,较早 → 删除(非当天代表)
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gfsRecord(3, gfsDay(2026, 3, 6, 12), false), // 昨天 → 保留
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gfsRecord(2, gfsDay(2026, 3, 5, 12), false), // 前天 → 超出 daily=2 → 删除
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gfsRecord(1, gfsDay(2026, 3, 4, 12), false), // 更早 → 删除
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}
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del := selectGFSToDelete(records, 2, 0, 0, 0)
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assertDeleted(t, del, 4, 2, 1)
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}
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// TestSelectGFSToDelete_TierUnion 验证多层级取并集:月度层级保留日度层级会删除的旧备份。
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func TestSelectGFSToDelete_TierUnion(t *testing.T) {
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records := []model.BackupRecord{
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gfsRecord(3, gfsDay(2026, 3, 7, 12), false), // 3 月(最新)
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gfsRecord(2, gfsDay(2026, 2, 15, 12), false), // 2 月
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gfsRecord(1, gfsDay(2026, 1, 15, 12), false), // 1 月
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}
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// daily=1 只留 ID3;monthly=2 留最近两个月(3 月=ID3、2 月=ID2)。并集={3,2},删除 ID1。
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del := selectGFSToDelete(records, 1, 0, 2, 0)
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assertDeleted(t, del, 1)
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}
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// TestSelectGFSToDelete_SkipsLocked 验证锁定记录即使超出所有层级也永不删除。
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func TestSelectGFSToDelete_SkipsLocked(t *testing.T) {
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records := []model.BackupRecord{
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gfsRecord(3, gfsDay(2026, 3, 7, 12), false),
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gfsRecord(2, gfsDay(2026, 3, 6, 12), false),
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gfsRecord(1, gfsDay(2020, 1, 1, 12), true), // 远超 daily=1 但已锁定 → 不删
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}
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del := selectGFSToDelete(records, 1, 0, 0, 0)
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assertDeleted(t, del, 2) // 仅 ID2 被删;ID1 锁定豁免,ID3 为当日代表
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}
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func TestGFSEnabled(t *testing.T) {
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if gfsEnabled(&model.BackupTask{}) {
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t.Fatal("empty GFS config should be disabled")
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}
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if !gfsEnabled(&model.BackupTask{KeepWeekly: 4}) {
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t.Fatal("KeepWeekly>0 should enable GFS")
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}
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}
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// TestSelectRecordsToDelete_SkipsLocked 验证保留锁定(法律保留)的记录永不被选中删除,
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// 即使它既超过保留期、又超过 maxBackups 名额。
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func TestSelectRecordsToDelete_SkipsLocked(t *testing.T) {
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