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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/~rjarry/aerc/lib"
"git.sr.ht/~rjarry/aerc/models"
"git.sr.ht/~rjarry/aerc/widgets"
"git.sr.ht/~rjarry/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)
composer, err := widgets.NewComposer(aerc, acct, aerc.Config(),
acct.AccountConfig(), acct.Worker(), "", msgInfo.RFC822Headers,
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 {
path = lib.FindPlaintext(msgInfo.BodyStructure, path)
}
part, err = msgInfo.BodyStructure.PartAtIndex(path)
if part == nil || err != nil {
part = msgInfo.BodyStructure
}
store.FetchBodyPart(msgInfo.Uid, 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
}
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