package cmd
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import (
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"fmt"
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"os"
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"time"
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"github.com/aisim/kb-cli/internal/graph"
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"github.com/aisim/kb-cli/internal/index"
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"github.com/aisim/kb-cli/internal/vault"
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)
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// rebuildIndex 重建索引：扫描 vault → 构建图 → 写入 SQLite
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func rebuildIndex(store *index.Store, commit string) error {
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// 清空旧数据
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if err := store.ClearData(); err != nil {
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return fmt.Errorf("清空数据失败: %w", err)
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}
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// 扫描 vault
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files, err := vault.ScanVault(vaultPath)
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if err != nil {
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return fmt.Errorf("扫描知识库失败: %w", err)
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}
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fmt.Fprintf(os.Stderr, "扫描到 %d 个文件\n", len(files))
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// 构建图
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g := graph.BuildGraph(files)
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// 写入节点，并记录 BuildGraph ID -> SQLite ID 的映射
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idMap := make(map[int64]int64) // BuildGraph ID -> SQLite ID
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for _, n := range g.Nodes {
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sqliteID, err := store.InsertNode(n)
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if err != nil {
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return fmt.Errorf("插入节点失败 [%s]: %w", n.Path, err)
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}
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idMap[n.ID] = sqliteID
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}
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// 写入边，将 BuildGraph ID 转换为 SQLite ID
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for _, e := range g.Edges {
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fromID, ok := idMap[e.FromNode]
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if !ok {
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// 可能是虚拟节点（tag/entity），跳过
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continue
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}
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toID, ok := idMap[e.ToNode]
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if !ok {
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// 目标节点不存在，跳过
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continue
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}
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edge := &graph.Edge{
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FromNode: fromID,
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ToNode: toID,
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Relation: e.Relation,
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Label: e.Label,
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}
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if err := store.InsertEdge(edge); err != nil {
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return fmt.Errorf("插入边失败: %w", err)
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}
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}
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// 创建并填充 FTS5 索引
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if err := store.CreateFTS(); err != nil {
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return fmt.Errorf("创建 FTS 索引失败: %w", err)
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}
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if err := store.PopulateFTS(); err != nil {
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return fmt.Errorf("填充 FTS 索引失败: %w", err)
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}
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// 记录元信息
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if commit != "" {
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if err := store.SetMeta("git_commit", commit); err != nil {
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return fmt.Errorf("记录 git commit 失败: %w", err)
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}
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}
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if err := store.SetMeta("built_at", time.Now().Format(time.RFC3339)); err != nil {
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return fmt.Errorf("记录构建时间失败: %w", err)
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}
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fmt.Fprintf(os.Stderr, "已索引 %d 个节点, %d 条边\n", len(g.Nodes), len(g.Edges))
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return nil
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}
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