package msg import ( "errors" "time" "git.sr.ht/~sircmpwn/aerc/lib" "git.sr.ht/~sircmpwn/aerc/models" "git.sr.ht/~sircmpwn/aerc/widgets" "git.sr.ht/~sircmpwn/aerc/worker/types" ) type Delete struct{} func init() { register(Delete{}) } func (Delete) Aliases() []string { return []string{"delete", "delete-message"} } func (Delete) Complete(aerc *widgets.Aerc, args []string) []string { return nil } func (Delete) Execute(aerc *widgets.Aerc, args []string) error { if len(args) != 1 { return errors.New("Usage: :delete") } h := newHelper(aerc) store, err := h.store() if err != nil { return err } uids, err := h.uids() if err != nil { return err } acct, err := h.account() if err != nil { return err } store.Delete(uids, func(msg types.WorkerMessage) { switch msg := msg.(type) { case *types.Done: aerc.PushStatus("Messages deleted.", 10*time.Second) case *types.Error: aerc.PushError(" "+msg.Error.Error()) } }) //caution, can be nil next := findNextNonDeleted(uids, store) mv, isMsgView := h.msgProvider.(*widgets.MessageViewer) if isMsgView { if !aerc.Config().Ui.NextMessageOnDelete { aerc.RemoveTab(h.msgProvider) } else { // no more messages in the list if next == nil { aerc.RemoveTab(h.msgProvider) acct.Messages().Scroll() return nil } lib.NewMessageStoreView(next, store, aerc.DecryptKeys, func(view lib.MessageView) { nextMv := widgets.NewMessageViewer(acct, aerc.Config(), view) aerc.ReplaceTab(mv, nextMv, next.Envelope.Subject) }) } } acct.Messages().Scroll() return nil } func findNextNonDeleted(deleted []uint32, store *lib.MessageStore) *models.MessageInfo { selected := store.Selected() if !contains(deleted, selected.Uid) { return selected } for { store.Next() next := store.Selected() if next == selected || next == nil { // the last message is in the deleted state or doesn't exist return nil } return next } return nil // Never reached } func contains(uids []uint32, uid uint32) bool { for _, item := range uids { if item == uid { return true } } return false }