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package account
import (
"errors"
"fmt"
"io"
gomail "net/mail"
"regexp"
"strings"
"github.com/emersion/go-message/mail"
"git.sr.ht/~rjarry/aerc/logging"
"git.sr.ht/~rjarry/aerc/models"
"git.sr.ht/~rjarry/aerc/widgets"
"git.sr.ht/~sircmpwn/getopt"
)
type Compose struct{}
func init() {
register(Compose{})
}
func (Compose) Aliases() []string {
return []string{"compose"}
}
func (Compose) Complete(aerc *widgets.Aerc, args []string) []string {
return nil
}
func (Compose) Execute(aerc *widgets.Aerc, args []string) error {
body, template, err := buildBody(args)
if err != nil {
return err
}
acct := aerc.SelectedAccount()
if acct == nil {
return errors.New("No account selected")
}
if template == "" {
template = aerc.Config().Templates.NewMessage
}
msg, err := gomail.ReadMessage(strings.NewReader(body))
if errors.Is(err, io.EOF) { // completely empty
msg = &gomail.Message{Body: strings.NewReader("")}
} else if err != nil {
return fmt.Errorf("mail.ReadMessage: %w", err)
}
headers := mail.HeaderFromMap(msg.Header)
composer, err := widgets.NewComposer(aerc, acct,
aerc.Config(), acct.AccountConfig(), acct.Worker(),
template, &headers, models.OriginalMail{})
if err != nil {
return err
}
tab := aerc.NewTab(composer, "New email")
composer.OnHeaderChange("Subject", func(subject string) {
if subject == "" {
tab.Name = "New email"
} else {
tab.Name = subject
}
tab.Content.Invalidate()
})
go func() {
defer logging.PanicHandler()
composer.AppendContents(msg.Body)
}()
return nil
}
func buildBody(args []string) (string, string, error) {
var body, template, headers string
opts, optind, err := getopt.Getopts(args, "H:T:")
if err != nil {
return "", "", err
}
for _, opt := range opts {
switch opt.Option {
case 'H':
if strings.Contains(opt.Value, ":") {
// ensure first colon is followed by a single space
re := regexp.MustCompile(`^(.*?):\s*(.*)`)
headers += re.ReplaceAllString(opt.Value, "$1: $2") + "\n"
} else {
headers += opt.Value + ":\n"
}
case 'T':
template = opt.Value
}
}
posargs := args[optind:]
if len(posargs) > 1 {
return "", template, errors.New("Usage: compose [-H header] [-T template] [body]")
}
if len(posargs) == 1 {
body = posargs[0]
}
if headers != "" {
if len(body) > 0 {
body = headers + "\n" + body
} else {
body = headers + "\n\n"
}
}
return body, template, nil
}
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