| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "errors" |
| 7 | "os" |
| 8 | "path/filepath" |
| 9 | "strings" |
| 10 | "time" |
| 11 | |
| 12 | "reasonix/internal/agent" |
| 13 | "reasonix/internal/history" |
| 14 | "reasonix/internal/historycatalog" |
| 15 | "reasonix/internal/retrieval" |
| 16 | ) |
| 17 | |
| 18 | type historySearchSnapshotBuild struct { |
| 19 | ctx context.Context |
| 20 | app *App |
| 21 | store *readSnapshotStore |
| 22 | snapshot *readSnapshot |
| 23 | catalog *historycatalog.Catalog |
| 24 | request HistorySearchRequest |
| 25 | active string |
| 26 | meta HistorySearchPage |
| 27 | fence *readSourceFence |
| 28 | overlays map[string]catalogRuntimeOverlay |
| 29 | terms []string |
| 30 | cutoff time.Time |
| 31 | needed map[string]map[historyTextKey]struct{} |
| 32 | order []string |
| 33 | sources map[string]*historySearchSource |
| 34 | } |
| 35 | |
| 36 | // historySearchSource is one session file read once per build: the digest it |
| 37 | // had and the snippet of every candidate that points into it. |
| 38 | type historySearchSource struct { |
| 39 | digest string |
| 40 | covered bool |
| 41 | intact bool |
| 42 | snippets map[historyTextKey]string |
| 43 | } |
| 44 | |
| 45 | type historyTextKey struct { |
| 46 | message, part int |
| 47 | kind string |
| 48 | } |
| 49 | |
| 50 | var loadHistorySearchMessages = agent.LoadSessionDisplayMessages |
| 51 | |
| 52 | func (a *App) buildHistorySearchSnapshot(ctx context.Context, store *readSnapshotStore, snap *readSnapshot, req HistorySearchRequest, targetPath, active string) error { |
| 53 | status := a.GetHistoryIndexStatus() |
| 54 | meta := HistorySearchPage{Status: status, Revision: status.Revision, Partial: status.State != "ready" || status.Pending > 0} |
| 55 | catalog := history.SharedCatalog() |
| 56 | if catalog == nil || req.Query == "" { |
| 57 | snap.metadata, _ = json.Marshal(meta) |
| 58 | return nil |
| 59 | } |
| 60 | candidates := &readSnapshot{} |
| 61 | defer store.dispose(candidates) |
| 62 | roots := historySearchRootFilter(a, req) |
| 63 | if targetPath != "" { |
| 64 | roots = nil |
| 65 | } |
| 66 | search := historycatalog.SearchRequest{Query: req.Query, Scope: req.Scope, WorkspaceRoot: req.WorkspaceRoot, SessionPath: targetPath, Kinds: req.Kinds, ToolName: req.ToolName, Roots: roots} |
| 67 | if err := catalog.CaptureSearch(ctx, search, func(row historycatalog.Candidate) error { return store.append(ctx, candidates, row) }); err != nil { |
| 68 | return err |
| 69 | } |
| 70 | terms, err := retrieval.QueryTerms(req.Query) |
| 71 | if err != nil { |
| 72 | return err |
| 73 | } |
| 74 | fence, err := a.newReadSourceFence(store, snap) |
| 75 | if err != nil { |
| 76 | return err |
| 77 | } |
| 78 | _, overlays := a.catalogRuntimeOverlays() |
| 79 | build := &historySearchSnapshotBuild{ctx: ctx, app: a, store: store, snapshot: snap, catalog: catalog, request: req, active: active, meta: meta, fence: fence, overlays: overlays, terms: terms, cutoff: time.Now()} |
| 80 | if err := build.run(candidates); err != nil { |
| 81 | return err |
| 82 | } |
| 83 | snap.validate = fence.freeze() |
| 84 | snap.metadata, err = json.Marshal(build.meta) |
| 85 | return err |
| 86 | } |
| 87 | |
| 88 | // run keeps the bm25 order the catalog returned while reading each session file |
| 89 | // once: hits interleave sessions, so loading per hit rereads a file per row. |
| 90 | func (b *historySearchSnapshotBuild) run(candidates *readSnapshot) error { |
| 91 | b.needed, b.sources = map[string]map[historyTextKey]struct{}{}, map[string]*historySearchSource{} |
| 92 | if err := candidates.walk(b.ctx, b.collect); err != nil { |
| 93 | return err |
| 94 | } |
| 95 | for _, path := range b.order { |
| 96 | if err := b.loadSource(path, b.needed[path]); err != nil { |
| 97 | return err |
| 98 | } |
| 99 | delete(b.needed, path) |
| 100 | } |
| 101 | return candidates.walk(b.ctx, b.visit) |
| 102 | } |
| 103 | |
| 104 | func (b *historySearchSnapshotBuild) candidate(encoded []byte) (historycatalog.Candidate, catalogRuntimeOverlay, bool, error) { |
| 105 | if err := b.ctx.Err(); err != nil { |
| 106 | return historycatalog.Candidate{}, catalogRuntimeOverlay{}, false, err |
| 107 | } |
| 108 | var row historycatalog.Candidate |
| 109 | if err := json.Unmarshal(encoded, &row); err != nil { |
| 110 | return row, catalogRuntimeOverlay{}, false, err |
| 111 | } |
| 112 | overlay := b.overlays[sessionRuntimeKey(row.SessionPath)] |
| 113 | keep := historyStatusMatches(b.request.Status, overlay.open, row.SessionPath == b.active) && historyTimeMatchesAt(row.LastActivityAt, b.request.TimeFilter, b.cutoff) |
| 114 | return row, overlay, keep, nil |
| 115 | } |
| 116 | |
| 117 | func (b *historySearchSnapshotBuild) collect(encoded []byte) error { |
| 118 | row, _, keep, err := b.candidate(encoded) |
| 119 | if err != nil || !keep { |
| 120 | return err |
| 121 | } |
| 122 | keys, ok := b.needed[row.SessionPath] |
| 123 | if !ok { |
| 124 | keys = map[historyTextKey]struct{}{} |
| 125 | b.needed[row.SessionPath] = keys |
| 126 | b.order = append(b.order, row.SessionPath) |
| 127 | } |
| 128 | keys[historyTextKey{message: row.MessageIndex, part: row.PartIndex, kind: row.Kind}] = struct{}{} |
| 129 | return nil |
| 130 | } |
| 131 | |
| 132 | func (b *historySearchSnapshotBuild) visit(encoded []byte) error { |
| 133 | row, overlay, keep, err := b.candidate(encoded) |
| 134 | if err != nil || !keep { |
| 135 | return err |
| 136 | } |
| 137 | src := b.sources[row.SessionPath] |
| 138 | if src.covered { |
| 139 | return nil |
| 140 | } |
| 141 | if !src.intact || row.ContentDigest == "" || src.digest != row.ContentDigest { |
| 142 | b.catalog.EnqueueExisting(b.ctx, row.SessionPath) |
| 143 | b.meta.Partial = true |
| 144 | return nil |
| 145 | } |
| 146 | snippet, ok := src.snippets[historyTextKey{message: row.MessageIndex, part: row.PartIndex, kind: row.Kind}] |
| 147 | if !ok { |
| 148 | b.catalog.EnqueueExisting(b.ctx, row.SessionPath) |
| 149 | b.meta.Partial = true |
| 150 | return nil |
| 151 | } |
| 152 | hit := HistorySearchHit{SessionPath: row.SessionPath, SessionID: strings.TrimSuffix(filepath.Base(row.SessionPath), filepath.Ext(row.SessionPath)), Source: row.Source, MessageIndex: row.MessageIndex, PartIndex: row.PartIndex, ContentDigest: src.digest, Role: row.Role, Kind: row.Kind, ToolName: row.ToolName, Snippet: snippet, Score: row.Score, SessionTitle: row.SessionTitle, TopicTitle: row.TopicTitle, WorkspaceRoot: row.WorkspaceRoot, LastActivityAt: row.LastActivityAt, Open: overlay.open, Running: overlay.running, Current: row.SessionPath == b.active} |
| 153 | return b.store.append(b.ctx, b.snapshot, hit) |
| 154 | } |
| 155 | |
| 156 | func (b *historySearchSnapshotBuild) loadSource(path string, keys map[historyTextKey]struct{}) error { |
| 157 | ctx := b.ctx |
| 158 | src := &historySearchSource{} |
| 159 | b.sources[path] = src |
| 160 | if sessions := b.app.sessionCatalog.Load(); sessions != nil { |
| 161 | record, ok, err := sessions.GetSession(ctx, path) |
| 162 | if err != nil { |
| 163 | return err |
| 164 | } |
| 165 | src.covered = ok && record.RecoveryCopy |
| 166 | } |
| 167 | if src.covered { |
| 168 | return nil |
| 169 | } |
| 170 | if err := b.fence.add(ctx, path); err != nil { |
| 171 | if !errors.Is(err, os.ErrNotExist) { |
| 172 | return err |
| 173 | } |
| 174 | b.meta.Partial = true |
| 175 | return nil |
| 176 | } |
| 177 | messages, state, intact, err := loadHistorySearchMessages(path) |
| 178 | if errors.Is(err, os.ErrNotExist) { |
| 179 | b.meta.Partial = true |
| 180 | return nil |
| 181 | } |
| 182 | if err != nil { |
| 183 | return err |
| 184 | } |
| 185 | src.digest, src.intact = state.DigestHex, intact |
| 186 | src.snippets = make(map[historyTextKey]string, len(keys)) |
| 187 | for key := range keys { |
| 188 | text, ok := desktopHistoryText(messages, historycatalog.Candidate{MessageIndex: key.message, PartIndex: key.part, Kind: key.kind}) |
| 189 | if ok { |
| 190 | src.snippets[key] = retrieval.MakeSnippet(text, b.request.Query, b.terms, 240) |
| 191 | } |
| 192 | } |
| 193 | return nil |
| 194 | } |
| 195 |