package msg import ( "io" "github.com/emersion/go-message" _ "github.com/emersion/go-message/charset" "github.com/emersion/go-message/mail" "github.com/pkg/errors" "git.sr.ht/~sircmpwn/aerc/models" "git.sr.ht/~sircmpwn/aerc/widgets" "git.sr.ht/~sircmpwn/aerc/worker/types" ) type Recall struct{} func init() { register(Recall{}) } func (Recall) Aliases() []string { return []string{"recall"} } func (Recall) Complete(aerc *widgets.Aerc, args []string) []string { return nil } func (Recall) Execute(aerc *widgets.Aerc, args []string) error { if len(args) != 1 { return errors.New("Usage: recall") } widget := aerc.SelectedTab().(widgets.ProvidesMessage) acct := widget.SelectedAccount() if acct == nil { return errors.New("No account selected") } if acct.SelectedDirectory() != acct.AccountConfig().Postpone { return errors.New("Can only recall from the postpone directory: " + acct.AccountConfig().Postpone) } store := widget.Store() if store == nil { return errors.New("Cannot perform action. Messages still loading") } msgInfo, err := widget.SelectedMessage() if err != nil { return errors.Wrap(err, "Recall failed") } acct.Logger().Println("Recalling message " + msgInfo.Envelope.MessageId) // copy the headers to the defaults map for addition to the composition defaults := make(map[string]string) headerFields := msgInfo.RFC822Headers.Fields() for headerFields.Next() { defaults[headerFields.Key()] = headerFields.Value() } composer, err := widgets.NewComposer(aerc, acct, aerc.Config(), acct.AccountConfig(), acct.Worker(), "", defaults, models.OriginalMail{}) if err != nil { return errors.Wrap(err, "Cannot open a new composer") } // focus the terminal since the header fields are likely already done composer.FocusTerminal() addTab := func() { subject := msgInfo.Envelope.Subject if subject == "" { subject = "Recalled email" } tab := aerc.NewTab(composer, subject) composer.OnHeaderChange("Subject", func(subject string) { if subject == "" { tab.Name = "New email" } else { tab.Name = subject } tab.Content.Invalidate() }) composer.OnClose(func(composer *widgets.Composer) { worker := composer.Worker() uids := []uint32{msgInfo.Uid} worker.PostAction(&types.DeleteMessages{ Uids: uids, }, func(msg types.WorkerMessage) { switch msg := msg.(type) { case *types.Error: aerc.PushError(" " + msg.Error.Error()) composer.Close() } }) return }) } // find the main body part and add it to the editor // TODO: copy all parts of the message over? var ( path []int part *models.BodyStructure ) if len(msgInfo.BodyStructure.Parts) != 0 { part, path = findPlaintext(msgInfo.BodyStructure, path) } if part == nil { part = msgInfo.BodyStructure path = []int{1} } store.FetchBodyPart(msgInfo.Uid, part, path, func(reader io.Reader) { header := message.Header{} header.SetText( "Content-Transfer-Encoding", part.Encoding) header.SetContentType(part.MIMEType, part.Params) header.SetText("Content-Description", part.Description) entity, err := message.New(header, reader) if err != nil { // TODO: Do something with the error addTab() return } mreader := mail.NewReader(entity) part, err := mreader.NextPart() if err != nil { // TODO: Do something with the error addTab() return } composer.SetContents(part.Body) addTab() }) return nil }