| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "os" |
| 7 | "path/filepath" |
| 8 | |
| 9 | "reasonix/internal/session" |
| 10 | ) |
| 11 | |
| 12 | func isDesktopStoredPreview(path string) (bool, error) { |
| 13 | body, err := os.ReadFile(filepath.Join(path, "manifest.json")) |
| 14 | if err != nil { |
| 15 | return false, err |
| 16 | } |
| 17 | var manifest session.Manifest |
| 18 | if err := json.Unmarshal(body, &manifest); err != nil { |
| 19 | return false, err |
| 20 | } |
| 21 | return (manifest.SchemaVersion == 3 && (manifest.Codec == session.PrototypeCodec || manifest.Codec == session.LegacyLinearCodec || manifest.Codec == session.FinalV31Codec)) || |
| 22 | (manifest.SchemaVersion == session.SchemaVersion && manifest.Codec == session.Codec && manifest.StorageRevision == 0), nil |
| 23 | } |
| 24 | |
| 25 | func stageDesktopStoredPreview(ctx context.Context, path string) (*session.Service, session.SessionRef, func(), error) { |
| 26 | tmp, err := os.MkdirTemp("", "reasonix-preview-upgrade-") |
| 27 | if err != nil { |
| 28 | return nil, session.SessionRef{}, nil, err |
| 29 | } |
| 30 | root := filepath.Join(tmp, "sessions") |
| 31 | result, err := session.ImportStoredPreview(ctx, path, root) |
| 32 | if err != nil { |
| 33 | _ = os.RemoveAll(tmp) |
| 34 | return nil, session.SessionRef{}, nil, err |
| 35 | } |
| 36 | service, err := session.NewService("preview-stage", session.NewFilesystemPersistence(root)) |
| 37 | if err != nil { |
| 38 | _ = os.RemoveAll(tmp) |
| 39 | return nil, session.SessionRef{}, nil, err |
| 40 | } |
| 41 | cleanup := func() { _ = service.Shutdown(context.Background()); _ = os.RemoveAll(tmp) } |
| 42 | return service, session.SessionRef{HostID: "preview-stage", SessionID: result.TargetID}, cleanup, nil |
| 43 | } |
| 44 | |
| 45 | func previewStoredRecovery(ctx context.Context, path string) (HistoryPage, error) { |
| 46 | stage, ref, cleanup, err := stageDesktopStoredPreview(ctx, path) |
| 47 | if err != nil { |
| 48 | return HistoryPage{Messages: []HistoryMessage{}}, err |
| 49 | } |
| 50 | defer cleanup() |
| 51 | messages, err := stage.Query().History(ctx, ref) |
| 52 | if err != nil { |
| 53 | return HistoryPage{Messages: []HistoryMessage{}}, err |
| 54 | } |
| 55 | return historyPageFromProviderMessages(messages, func(value string) string { return value }, nil, nil, 0, 32), nil |
| 56 | } |
| 57 |