package commands import ( "bytes" "fmt" "io" "os" "git.sr.ht/~rjarry/aerc/app" "git.sr.ht/~rjarry/aerc/lib" "git.sr.ht/~rjarry/aerc/lib/xdg" ) type Eml struct { Path string `opt:"path" required:"false" complete:"CompletePath"` } func init() { register(Eml{}) } func (Eml) Aliases() []string { return []string{"eml", "preview"} } func (*Eml) CompletePath(arg string) []string { return CompletePath(arg) } func (e Eml) Execute(args []string) error { acct := app.SelectedAccount() if acct == nil { return fmt.Errorf("no account selected") } showEml := func(r io.Reader) { data, err := io.ReadAll(r) if err != nil { app.PushError(err.Error()) return } lib.NewEmlMessageView(data, app.CryptoProvider(), app.DecryptKeys, func(view lib.MessageView, err error) { if err != nil { app.PushError(err.Error()) return } msgView := app.NewMessageViewer(acct, view) app.NewTab(msgView, view.MessageInfo().Envelope.Subject) }) } if e.Path == "" { switch tab := app.SelectedTabContent().(type) { case *app.MessageViewer: part := tab.SelectedMessagePart() tab.MessageView().FetchBodyPart(part.Index, showEml) case *app.Composer: var buf bytes.Buffer h, err := tab.PrepareHeader() if err != nil { return err } if err := tab.WriteMessage(h, &buf); err != nil { return err } showEml(&buf) default: return fmt.Errorf("unsupported operation") } } else { f, err := os.Open(xdg.ExpandHome(e.Path)) if err != nil { return err } defer f.Close() showEml(f) } return nil }