311 lines
7.3 KiB
Go
311 lines
7.3 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"time"
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)
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type TrashDTO struct {
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TrashPath string `json:"trashPath"`
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Count int `json:"count"`
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Nodes []TrashNodeDTO `json:"nodes"`
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Entries []TrashEntryDTO `json:"entries"`
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}
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type TrashNodeDTO struct {
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ID string `json:"id"`
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ParentID string `json:"parentId,omitempty"`
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Title string `json:"title"`
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Type string `json:"type"`
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FsPath string `json:"fsPath"`
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NodePath string `json:"nodePath"`
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DeletedAt string `json:"deletedAt"`
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}
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type TrashEntryDTO struct {
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Name string `json:"name"`
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Path string `json:"path"`
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IsDir bool `json:"isDir"`
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Size int64 `json:"size"`
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ModifiedAt string `json:"modifiedAt"`
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}
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func (a *App) ListTrash() (*TrashDTO, error) {
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if err := a.requireVault(); err != nil {
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return nil, err
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}
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trashPath := filepath.Join(a.vault, ".verstak", "trash")
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deleted, err := a.nodes.ListDeleted()
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if err != nil {
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return nil, err
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}
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nodes := make([]TrashNodeDTO, 0, len(deleted))
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for _, n := range deleted {
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deletedAt := ""
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if n.DeletedAt != nil {
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deletedAt = n.DeletedAt.Format(time.RFC3339)
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}
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parentID := ""
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if n.ParentID != nil {
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parentID = *n.ParentID
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}
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nodes = append(nodes, TrashNodeDTO{
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ID: n.ID,
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ParentID: parentID,
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Title: n.Title,
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Type: n.Type,
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FsPath: n.FsPath,
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NodePath: a.nodes.Path(n.ID),
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DeletedAt: deletedAt,
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})
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}
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entries, err := listTrashEntries(trashPath)
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if err != nil {
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return nil, err
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}
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return &TrashDTO{TrashPath: trashPath, Count: len(nodes), Nodes: nodes, Entries: entries}, nil
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}
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func (a *App) TrashCount() (int, error) {
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trash, err := a.ListTrash()
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if err != nil {
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return 0, err
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}
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return trash.Count, nil
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}
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func (a *App) RestoreTrashNode(nodeID string) error {
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if err := a.requireVault(); err != nil {
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return err
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}
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chain, err := a.deletedAncestorChain(nodeID)
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if err != nil {
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return err
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}
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for _, n := range chain {
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if err := a.restoreTrashPath(n.ID, n.FsPath); err != nil {
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return err
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}
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if _, err := a.db.Exec(`UPDATE nodes SET deleted_at = NULL, updated_at = ? WHERE id = ?`, time.Now().UTC().Format(time.RFC3339), n.ID); err != nil {
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return err
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}
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}
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return nil
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}
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func (a *App) RestoreTrashNodesJSON(nodeIDsJSON string) error {
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var ids []string
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if err := json.Unmarshal([]byte(nodeIDsJSON), &ids); err != nil {
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return err
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}
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for _, id := range ids {
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if err := a.RestoreTrashNode(id); err != nil {
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return err
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}
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}
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return nil
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}
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func (a *App) PurgeTrashNodesJSON(nodeIDsJSON string) error {
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if err := a.requireVault(); err != nil {
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return err
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}
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var ids []string
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if err := json.Unmarshal([]byte(nodeIDsJSON), &ids); err != nil {
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return err
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}
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for _, id := range ids {
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if err := a.purgeTrashNode(id); err != nil {
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return err
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}
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}
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return nil
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}
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func (a *App) EmptyTrash() error {
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if err := a.requireVault(); err != nil {
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return err
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}
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trash, err := a.ListTrash()
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if err != nil {
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return err
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}
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ids := make([]string, 0, len(trash.Nodes))
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for _, n := range trash.Nodes {
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if n.ParentID == "" {
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ids = append(ids, n.ID)
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}
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}
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if len(ids) == 0 {
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for _, n := range trash.Nodes {
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ids = append(ids, n.ID)
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}
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}
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for _, id := range ids {
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if err := a.purgeTrashNode(id); err != nil {
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return err
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}
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}
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return os.RemoveAll(filepath.Join(a.vault, ".verstak", "trash"))
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}
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func (a *App) deletedAncestorChain(nodeID string) ([]TrashNodeDTO, error) {
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var reversed []TrashNodeDTO
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current := nodeID
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for current != "" {
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n, err := a.nodes.Get(current)
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if err != nil {
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return nil, err
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}
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if n.DeletedAt == nil {
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break
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}
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parentID := ""
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if n.ParentID != nil {
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parentID = *n.ParentID
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}
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reversed = append(reversed, TrashNodeDTO{ID: n.ID, ParentID: parentID, Title: n.Title, Type: n.Type, FsPath: n.FsPath})
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current = parentID
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}
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if len(reversed) == 0 {
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return nil, fmt.Errorf("deleted node not found")
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}
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chain := make([]TrashNodeDTO, 0, len(reversed))
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for i := len(reversed) - 1; i >= 0; i-- {
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chain = append(chain, reversed[i])
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}
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return chain, nil
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}
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func (a *App) restoreTrashPath(nodeID, fsPath string) error {
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if fsPath == "" {
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return nil
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}
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trashEntry, err := a.findTrashEntryForNode(nodeID)
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if err != nil {
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return nil
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}
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dst := filepath.Join(a.vault, fsPath)
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if _, err := os.Stat(dst); err == nil {
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return nil
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}
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if err := os.MkdirAll(filepath.Dir(dst), 0o750); err != nil {
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return err
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}
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return os.Rename(trashEntry, dst)
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}
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func (a *App) findTrashEntryForNode(nodeID string) (string, error) {
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trashPath := filepath.Join(a.vault, ".verstak", "trash")
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entries, err := os.ReadDir(trashPath)
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if err != nil {
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return "", err
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}
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prefix := nodeID + "_"
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for _, entry := range entries {
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if strings.HasPrefix(entry.Name(), prefix) {
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return filepath.Join(trashPath, entry.Name()), nil
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}
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}
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return "", fmt.Errorf("trash entry not found")
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}
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func (a *App) purgeTrashNode(nodeID string) error {
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ids, err := a.deletedSubtreeIDs(nodeID)
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if err != nil {
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return err
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}
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for _, id := range ids {
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if path, err := a.findTrashEntryForNode(id); err == nil {
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_ = os.RemoveAll(path)
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}
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}
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tx, err := a.db.Begin()
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if err != nil {
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return err
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}
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defer tx.Rollback()
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for i := len(ids) - 1; i >= 0; i-- {
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id := ids[i]
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_, _ = tx.Exec(`DELETE FROM node_meta WHERE node_id = ?`, id)
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_, _ = tx.Exec(`DELETE FROM notes WHERE node_id = ?`, id)
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_, _ = tx.Exec(`DELETE FROM actions WHERE node_id = ?`, id)
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_, _ = tx.Exec(`DELETE FROM links WHERE node_id = ?`, id)
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_, _ = tx.Exec(`DELETE FROM worklog_entry_events WHERE entry_id IN (SELECT id FROM worklog_entries WHERE node_id = ?)`, id)
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_, _ = tx.Exec(`DELETE FROM worklog_entries WHERE node_id = ?`, id)
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if _, err := tx.Exec(`DELETE FROM nodes WHERE id = ? AND deleted_at IS NOT NULL`, id); err != nil {
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return err
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}
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}
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return tx.Commit()
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}
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func (a *App) deletedSubtreeIDs(nodeID string) ([]string, error) {
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rows, err := a.db.Query(
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`WITH RECURSIVE subtree(id) AS (
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SELECT id FROM nodes WHERE id = ? AND deleted_at IS NOT NULL
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UNION ALL
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SELECT n.id FROM nodes n JOIN subtree s ON n.parent_id = s.id
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WHERE n.deleted_at IS NOT NULL
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) SELECT id FROM subtree`, nodeID)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var ids []string
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for rows.Next() {
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var id string
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if err := rows.Scan(&id); err != nil {
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return nil, err
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}
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ids = append(ids, id)
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}
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if len(ids) == 0 {
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return nil, fmt.Errorf("deleted node not found")
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}
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return ids, rows.Err()
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}
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func listTrashEntries(trashPath string) ([]TrashEntryDTO, error) {
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if err := os.MkdirAll(trashPath, 0o750); err != nil {
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return nil, err
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}
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dirEntries, err := os.ReadDir(trashPath)
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if err != nil {
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return nil, err
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}
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out := make([]TrashEntryDTO, 0, len(dirEntries))
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for _, entry := range dirEntries {
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info, err := entry.Info()
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if err != nil {
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continue
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}
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out = append(out, TrashEntryDTO{
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Name: entry.Name(),
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Path: filepath.Join(trashPath, entry.Name()),
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IsDir: entry.IsDir(),
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Size: info.Size(),
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ModifiedAt: info.ModTime().UTC().Format(time.RFC3339),
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})
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}
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return out, nil
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}
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func (a *App) OpenTrashFolder() error {
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if err := a.requireVault(); err != nil {
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return err
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}
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trashPath := filepath.Join(a.vault, ".verstak", "trash")
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if err := os.MkdirAll(trashPath, 0o750); err != nil {
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return err
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}
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return exec.Command("xdg-open", trashPath).Run()
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}
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