Robin Kutesa
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712e110f57
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Add live backup status reconciliation with NAS manifest
BackupStatusService (new singleton, ObservableObject, PHPhotoLibraryChangeObserver):
- Loads cached BackupStatusSnapshot instantly from UserDefaults on init
- Full reconcile: fetch phone assets → connect NAS → load/build manifest → compare
→ enforce invariant (alreadySafe ≤ phoneTotal), persist result
- Debounced (30s) for photo library changes; force=true bypasses debounce
- If NAS unreachable: keeps last cached numbers, marks connectionState = .offline
- PHPhotoLibraryChangeObserver triggers refresh on any library change
BackupManifest (new):
- Stored at {remotePath}/.kisani.json on NAS
- Indexed by localIdentifier (PHAsset stable ID); filename fallback for legacy entries
- Built from directory listing if manifest missing (bootstrap for existing backups)
- merged/updated after each backup run via NASTransferProtocol.writeData
BackupStatusSnapshot (new):
- Single source of truth: phoneTotal, alreadySafe, needBackup (derived), nasArchiveTotal,
lastCheckedAt, connectionState
- Invariant enforced in service: alreadySafe = min(safe, phoneTotal)
Protocol / services:
- NASTransferProtocol: adds writeData(_ data: Data, to remotePath: String)
- SMBService: implements writeData via temp file + SMBClient.upload
- SFTPService: implements writeData via SFTP ByteBuffer write
BackupEngine:
- Tracks ManifestEntry per successful upload during backup loop
- After backup: calls BackupStatusService.refreshAfterBackup(entries:connection:)
which applies optimistic UI update then writes manifest + triggers reconcile
BackupView:
- Reads all stats from BackupStatusService.snapshot (not vm/nasFileCount)
- Stats labels: "NAS Archive" / "On iPhone" / "Need Backup" / "Already Safe"
- Live refresh triggers: .task (force), scenePhase.active (force),
nasReachable change (force), remotePath change (force), backup completed (+2s)
- Subtle status row below stats: "Checking…" spinner or "Updated X ago" with
wifi-slash icon when NAS offline; tap refresh button for forced reconcile
- AppMenuView sheet now correctly passes engine EnvironmentObject
BackupViewModel: stripped to auth-only (photosAuthStatus + requestPhotosAccess)
Co-Authored-By: Kutesir <kutesir@provoc.ug>
Co-Authored-By: Sentry <sentry@provoc.ug>
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2026-05-17 12:51:03 +03:00 |
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