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history.go
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/
history.go
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package vault
import (
"strings"
"github.com/burlingtonbertie99/mykeys-ext/http/api"
"github.com/burlingtonbertie99/mykeys/dstore"
"github.com/vmihailenco/msgpack/v4"
)
// ItemHistory returns history of an item.
// Items with empty data are deleted items.
// This is slow.
func (v *Vault) ItemHistory(id string) ([]*Item, error) {
path := dstore.Path("pull")
ds, err := v.store.List(&ListOptions{Prefix: path, NoData: true})
if err != nil {
return nil, err
}
paths := []string{}
for _, doc := range ds {
if strings.HasPrefix(dstore.PathFrom(doc.Path, 2), dstore.Path("item", id)) {
paths = append(paths, doc.Path)
}
}
items := make([]*Item, 0, len(paths))
for _, p := range paths {
b, err := v.store.Get(p)
if err != nil {
return nil, err
}
if b == nil {
continue
}
var event api.Event
if err := msgpack.Unmarshal(b, &event); err != nil {
return nil, err
}
id := dstore.PathLast(p)
item, err := decryptItem(event.Data, v.mk, id)
if err != nil {
return nil, err
}
items = append(items, item)
}
pending, err := v.findPendingItems(id)
if err != nil {
return nil, err
}
items = append(items, pending...)
return items, nil
}
// findPendingItems returns list of pending items awaiting push.
// Requires Unlock.
func (v *Vault) findPendingItems(id string) ([]*Item, error) {
path := dstore.Path("push")
entries, err := v.store.List(&ListOptions{Prefix: path})
if err != nil {
return nil, err
}
items := []*Item{}
for _, entry := range entries {
pc := dstore.PathComponents(entry.Path)
if pc[2] != "item" || pc[3] != id {
continue
}
item, err := decryptItem(entry.Data, v.mk, id)
if err != nil {
return nil, err
}
if item.ID == id {
items = append(items, item)
}
}
return items, nil
}