Changeset 0.29.0 (#195)

server/store/sqlite/note.go

@@ -226,3 +226,80 @@ func (s *NoteStore) scanNotes(rows *sql.Rows, total int) ([]models.Note, int, er
 	}
 	return result, total, rows.Err()
 }
+
+// ── CS5c additions (v0.29.0) ──────────────────────────────────────────
+
+// SetEmbedding is a no-op on SQLite (pgvector is PG-only).
+func (s *NoteStore) SetEmbedding(ctx context.Context, noteID, vecStr string) error {
+	return nil
+}
+
+// SearchKeyword performs LIKE-based keyword search on SQLite.
+func (s *NoteStore) SearchKeyword(ctx context.Context, userID, query string, limit int) ([]store.NoteSearchResult, error) {
+	words := strings.Fields(query)
+	if len(words) == 0 {
+		return []store.NoteSearchResult{}, nil
+	}
+
+	q := `SELECT id, title, folder_path, tags, SUBSTR(content, 1, 500)
+	      FROM notes WHERE user_id = ?`
+	args := []interface{}{userID}
+
+	for _, w := range words {
+		pattern := "%" + w + "%"
+		q += " AND (title LIKE ? OR content LIKE ?)"
+		args = append(args, pattern, pattern)
+	}
+	q += " ORDER BY updated_at DESC LIMIT ?"
+	args = append(args, limit)
+
+	rows, err := DB.QueryContext(ctx, q, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	results := make([]store.NoteSearchResult, 0)
+	for rows.Next() {
+		var r store.NoteSearchResult
+		var tagsJSON string
+		if err := rows.Scan(&r.ID, &r.Title, &r.FolderPath, &tagsJSON, &r.Excerpt); err != nil {
+			continue
+		}
+		r.Tags = ScanArray(tagsJSON)
+		if r.Tags == nil {
+			r.Tags = []string{}
+		}
+		r.Rank = 1.0 // no ranking on SQLite
+		results = append(results, r)
+	}
+	return results, rows.Err()
+}
+
+// SearchSemantic returns empty results on SQLite (vector search requires PG).
+func (s *NoteStore) SearchSemantic(ctx context.Context, userID, vecStr string, limit int) ([]store.NoteSearchResult, error) {
+	return []store.NoteSearchResult{}, nil
+}
+
+func (s *NoteStore) ListFolders(ctx context.Context, userID string) ([]store.FolderInfo, error) {
+	rows, err := DB.QueryContext(ctx, `
+		SELECT DISTINCT folder_path, COUNT(*) AS count
+		FROM notes WHERE user_id = ?
+		GROUP BY folder_path
+		ORDER BY folder_path
+	`, userID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	results := make([]store.FolderInfo, 0)
+	for rows.Next() {
+		var f store.FolderInfo
+		if err := rows.Scan(&f.Path, &f.Count); err != nil {
+			continue
+		}
+		results = append(results, f)
+	}
+	return results, rows.Err()
+}