gokwallet/unknownitem_funcs.go
2021-12-28 02:50:54 -05:00

121 lines
2.3 KiB
Go

package gokwallet
import (
"github.com/godbus/dbus/v5"
)
/*
NewUnknownItem returns an UnknownItem. It requires a RecurseOpts
(you can use DefaultRecurseOpts, call NewRecurseOpts, or provide your own RecurseOpts struct).
It also requires a Folder.
*/
func NewUnknownItem(f *Folder, keyName string, recursion *RecurseOpts) (unknown *UnknownItem, err error) {
if !f.isInit {
err = ErrInitFolder
return
}
unknown = &UnknownItem{
DbusObject: f.DbusObject,
Name: keyName,
// Value: "",
Recurse: recursion,
wm: f.wallet.wm,
wallet: f.wallet,
folder: f,
isInit: false,
}
unknown.isInit = true
if unknown.Recurse.AllWalletItems || unknown.Recurse.UnknownItems {
if err = unknown.Update(); err != nil {
return
}
}
unknown.isInit = true
return
}
// Delete will delete this UnknownItem from its parent Folder. You may want to run Folder.UpdateUnknowns to update the existing map of UnknownItem items.
func (u *UnknownItem) Delete() (err error) {
if err = u.folder.RemoveEntry(u.Name); err != nil {
return
}
u = nil
return
}
// Exists returns true if this UnknownItem actually exists.
func (u *UnknownItem) Exists() (exists bool, err error) {
if exists, err = u.folder.HasEntry(u.Name); err != nil {
return
}
return
}
// Rename renames this UnknownItem (changes its key).
func (u *UnknownItem) Rename(newName string) (err error) {
if err = u.folder.RenameEntry(u.Name, newName); err != nil {
return
}
u.Name = newName
return
}
// SetValue will replace this UnknownItem's UnknownItem.Value.
func (u *UnknownItem) SetValue(newValue []byte) (err error) {
if _, err = u.folder.WriteUnknown(u.Name, newValue); err != nil {
return
}
u.Value = newValue
return
}
// Update fetches an UnknownItem's UnknownItem.Value.
func (u *UnknownItem) Update() (err error) {
var call *dbus.Call
var v dbus.Variant
if err = u.folder.wallet.walletCheck(); err != nil {
return
}
if call = u.Dbus.Call(
DbusWMReadEntry, 0, u.folder.wallet.handle, u.folder.Name, u.Name, u.folder.wallet.wm.AppID,
); call.Err != nil {
err = call.Err
return
}
if err = call.Store(&v); err != nil {
return
}
u.Value = v.Value().([]byte)
return
}
// isWalletItem is needed for interface membership.
func (u *UnknownItem) isWalletItem() (isWalletItem bool) {
isWalletItem = true
return
}