| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "errors" |
| 7 | "os" |
| 8 | "sort" |
| 9 | "strings" |
| 10 | |
| 11 | "reasonix/internal/agent" |
| 12 | "reasonix/internal/historywork" |
| 13 | "reasonix/internal/sessioncatalog" |
| 14 | "reasonix/internal/store" |
| 15 | ) |
| 16 | |
| 17 | // Reuse catalog metadata instead of enumerating legacy directories a second |
| 18 | // time on startup. Only paths with migration evidence require recovery work. |
| 19 | func (a *App) addHistoricalCatalogReceipts(ctx context.Context, add func(string, string, string, string, string)) error { |
| 20 | catalog := a.sessionCatalog.Load() |
| 21 | if catalog == nil { |
| 22 | return nil |
| 23 | } |
| 24 | ledger, err := readDesktopMigrationLedger() |
| 25 | if err != nil || len(ledger.Records) == 0 { |
| 26 | return err |
| 27 | } |
| 28 | receipts := historicalCompletedReceiptKeys(ledger) |
| 29 | return catalog.WithReadView(ctx, func(ctx context.Context) error { |
| 30 | req := sessioncatalog.SessionPageRequest{Scope: "all", Limit: 200} |
| 31 | for { |
| 32 | page, err := catalog.ListSessions(ctx, req) |
| 33 | if err != nil { |
| 34 | return err |
| 35 | } |
| 36 | for _, record := range page.Items { |
| 37 | if historicalLegacyHasReceipt(receipts, record.Path, "") { |
| 38 | add(record.Path, "legacy", record.Scope, record.WorkspaceRoot, "") |
| 39 | } |
| 40 | heads, err := catalog.ListHeads(ctx, record.Path) |
| 41 | if err != nil { |
| 42 | return err |
| 43 | } |
| 44 | for _, head := range heads { |
| 45 | if historicalLegacyHasReceipt(receipts, record.Path, head.ID) { |
| 46 | add(record.Path, "legacy", record.Scope, record.WorkspaceRoot, head.ID) |
| 47 | } |
| 48 | } |
| 49 | } |
| 50 | if page.NextCursor == "" || page.StaleCursor { |
| 51 | return nil |
| 52 | } |
| 53 | req.Cursor = page.NextCursor |
| 54 | } |
| 55 | }) |
| 56 | } |
| 57 | |
| 58 | // Index completion once per discovery, rather than scanning the entire ledger |
| 59 | // for each catalog path and head. Reviewed versions retain their base identity. |
| 60 | func historicalCompletedReceiptKeys(ledger desktopMigrationLedger) map[string]bool { |
| 61 | keys := map[string]bool{} |
| 62 | for id, receipt := range ledger.Records { |
| 63 | if receipt.Status == "completed" || receipt.PreviousCompletion != nil { |
| 64 | key, _, _ := strings.Cut(id, ":review:") |
| 65 | keys[key] = true |
| 66 | } |
| 67 | } |
| 68 | return keys |
| 69 | } |
| 70 | |
| 71 | func historicalLegacyHasReceipt(receipts map[string]bool, path, head string) bool { |
| 72 | key := desktopLegacyMigrationKey(path) |
| 73 | if head != "" { |
| 74 | key = desktopLegacyHeadKey(path, head) |
| 75 | } |
| 76 | return receipts[key] |
| 77 | } |
| 78 | |
| 79 | // Explicit discovery can run before the metadata catalog exists. A bounded, |
| 80 | // current head index supplies receipt identities without replaying the JSONL. |
| 81 | func addHistoricalLegacyReceiptHeads(sources map[string]historicalSource, add func(string, string, string, string, string)) error { |
| 82 | ledger, err := readDesktopMigrationLedger() |
| 83 | if err != nil || len(ledger.Records) == 0 { |
| 84 | return err |
| 85 | } |
| 86 | receipts := historicalCompletedReceiptKeys(ledger) |
| 87 | for _, source := range sources { |
| 88 | if source.format != "legacy" || source.head != "" { |
| 89 | continue |
| 90 | } |
| 91 | if info, err := os.Stat(store.SessionEventIndex(source.path)); err != nil || info.Size() > historywork.ReadChunk { |
| 92 | continue |
| 93 | } |
| 94 | index, err := agent.ReadSessionHeadIndex(source.path) |
| 95 | if err != nil || index == nil || !index.Current(source.path) { |
| 96 | continue |
| 97 | } |
| 98 | for _, head := range index.Heads { |
| 99 | if historicalLegacyHasReceipt(receipts, source.path, head.ID) { |
| 100 | add(source.path, "legacy", source.scope, source.root, head.ID) |
| 101 | } |
| 102 | } |
| 103 | } |
| 104 | return nil |
| 105 | } |
| 106 | |
| 107 | func (a *App) reconcileHistoricalLegacyCatalog(ctx context.Context, sources map[string]historicalSource) error { |
| 108 | for key, source := range sources { |
| 109 | if source.format != "legacy" { |
| 110 | continue |
| 111 | } |
| 112 | release, err := a.historyMaintenance.BackgroundSlice(ctx, false) |
| 113 | if err != nil { |
| 114 | return err |
| 115 | } |
| 116 | err = a.reconcileHistoricalCatalogSource(ctx, key, source, "ok") |
| 117 | release(historywork.ReadChunk) |
| 118 | if errors.Is(err, context.Canceled) { |
| 119 | return err |
| 120 | } |
| 121 | if historicalSourceBusyError(err) || errors.Is(err, os.ErrPermission) { |
| 122 | continue |
| 123 | } |
| 124 | c := &a.historicalImports |
| 125 | c.mu.Lock() |
| 126 | c.initialize(ctx) |
| 127 | c.sources[key] = source |
| 128 | wasUnavailable := c.unavailableSources[key] |
| 129 | if err != nil { |
| 130 | c.unavailableSources[key] = true |
| 131 | } else { |
| 132 | delete(c.unavailableSources, key) |
| 133 | } |
| 134 | changed := wasUnavailable != c.unavailableSources[key] |
| 135 | if changed { |
| 136 | c.catalogRevision++ |
| 137 | } |
| 138 | c.mu.Unlock() |
| 139 | if changed { |
| 140 | a.emitProjectTreeChangedEvent() |
| 141 | } |
| 142 | } |
| 143 | return ctx.Err() |
| 144 | } |
| 145 | |
| 146 | func (a *App) unavailableHistoricalSource(key string) bool { |
| 147 | c := &a.historicalImports |
| 148 | c.mu.Lock() |
| 149 | defer c.mu.Unlock() |
| 150 | return c.unavailableSources[key] |
| 151 | } |
| 152 | |
| 153 | func (a *App) excludeUnavailableHistoricalSources(existing string) string { |
| 154 | keys := []string{} |
| 155 | if existing != "" { |
| 156 | _ = json.Unmarshal([]byte(existing), &keys) |
| 157 | } |
| 158 | c := &a.historicalImports |
| 159 | c.mu.Lock() |
| 160 | paths := []string{} |
| 161 | for key := range c.unavailableSources { |
| 162 | keys = append(keys, key) |
| 163 | if source, ok := c.sources[key]; ok { |
| 164 | paths = append(paths, source.path) |
| 165 | } |
| 166 | } |
| 167 | c.mu.Unlock() |
| 168 | // The lazy catalog uses path identities for single-head files. Multi-head |
| 169 | // workspaces use the materialized adapter and retain per-head exclusions. |
| 170 | for _, path := range paths { |
| 171 | keys = append(keys, desktopSourceKey(path, "")) |
| 172 | } |
| 173 | if len(keys) == 0 { |
| 174 | return existing |
| 175 | } |
| 176 | sort.Strings(keys) |
| 177 | body, _ := json.Marshal(keys) |
| 178 | return string(body) |
| 179 | } |
| 180 |