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package msg
import (
"bufio"
"errors"
"fmt"
"git.sr.ht/~sircmpwn/aerc/widgets"
"github.com/emersion/go-message"
"github.com/emersion/go-message/mail"
"io"
"strings"
)
type forward struct{}
func init() {
register(forward{})
}
func (_ forward) Aliases() []string {
return []string{"forward"}
}
func (_ forward) Complete(aerc *widgets.Aerc, args []string) []string {
return nil
}
func (_ forward) Execute(aerc *widgets.Aerc, args []string) error {
to := ""
if len(args) != 1 {
to = strings.Join(args[1:], ", ")
}
widget := aerc.SelectedTab().(widgets.ProvidesMessage)
acct := widget.SelectedAccount()
if acct == nil {
return errors.New("No account selected")
}
store := widget.Store()
if store == nil {
return errors.New("Cannot perform action. Messages still loading")
}
msg, err := widget.SelectedMessage()
if err != nil {
return err
}
acct.Logger().Println("Forwarding email " + msg.Envelope.MessageId)
subject := "Fwd: " + msg.Envelope.Subject
defaults := map[string]string{
"To": to,
"Subject": subject,
}
composer := widgets.NewComposer(aerc.Config(), acct.AccountConfig(),
acct.Worker(), defaults)
addTab := func() {
tab := aerc.NewTab(composer, subject)
if len(args) == 1 {
composer.FocusRecipient()
} else {
composer.FocusTerminal()
}
composer.OnHeaderChange("Subject", func(subject string) {
if subject == "" {
tab.Name = "New email"
} else {
tab.Name = subject
}
tab.Content.Invalidate()
})
}
// TODO: something more intelligent than fetching the 1st part
// TODO: add attachments!
store.FetchBodyPart(msg.Uid, []int{1}, func(reader io.Reader) {
header := message.Header{}
header.SetText(
"Content-Transfer-Encoding", msg.BodyStructure.Encoding)
header.SetContentType(
msg.BodyStructure.MIMEType, msg.BodyStructure.Params)
header.SetText("Content-Description", msg.BodyStructure.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
}
pipeout, pipein := io.Pipe()
scanner := bufio.NewScanner(part.Body)
go composer.SetContents(pipeout)
// TODO: Let user customize the date format used here
io.WriteString(pipein, fmt.Sprintf("Forwarded message from %s on %s:\n\n",
msg.Envelope.From[0].Name,
msg.Envelope.Date.Format("Mon Jan 2, 2006 at 3:04 PM")))
for scanner.Scan() {
io.WriteString(pipein, fmt.Sprintf("%s\n", scanner.Text()))
}
pipein.Close()
pipeout.Close()
addTab()
})
return nil
}
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