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compose: append text parts 

Append text parts to emails in the composer as multipart/alternative.
Display the mime-type of the parts in the review window.

Signed-off-by: Koni Marti <koni.marti@gmail.com>
Acked-by: Robin Jarry <robin@jarry.cc>
This commit is contained in:
Koni Marti 2022-05-24 07:36:06 +02:00 committed by Robin Jarry
parent 527f602f36
commit 6f5c6e148f
1 changed files with 58 additions and 13 deletions
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71
widgets/compose.go
View File

@ -30,6 +30,12 @@ import (
"git.sr.ht/~rjarry/aerc/worker/types"
)
type Part struct {
MimeType string
Params map[string]string
Body io.Reader
}
type Composer struct {
editors map[string]*headerEditor // indexes in lower case (from / cc / bcc)
header *mail.Header
@ -61,6 +67,8 @@ type Composer struct {
onClose []func(ti *Composer)
width int
textParts []*Part
}
func NewComposer(aerc *Aerc, acct *AccountView, conf *config.AercConfig,
@ -297,6 +305,14 @@ func (c *Composer) AppendContents(reader io.Reader) {
c.email.Sync()
}
func (c *Composer) AppendPart(mimetype string, params map[string]string, body io.Reader) error {
if !strings.HasPrefix(mimetype, "text") {
return fmt.Errorf("can only append text mimetypes")
}
c.textParts = append(c.textParts, &Part{MimeType: mimetype, Params: params, Body: body})
return nil
}
func (c *Composer) AddTemplate(template string, data interface{}) error {
if template == "" {
return nil
@ -592,7 +608,7 @@ func (c *Composer) WriteMessage(header *mail.Header, writer io.Writer) error {
}
func writeMsgImpl(c *Composer, header *mail.Header, writer io.Writer) error {
if len(c.attachments) == 0 && !c.attachKey {
if len(c.attachments) == 0 && !c.attachKey && len(c.textParts) == 0 {
// no attachements
return writeInlineBody(header, c.email, writer)
} else {
@ -601,7 +617,14 @@ func writeMsgImpl(c *Composer, header *mail.Header, writer io.Writer) error {
if err != nil {
return errors.Wrap(err, "CreateWriter")
}
if err := writeMultipartBody(c.email, w); err != nil {
parts := []*Part{
&Part{
MimeType: "text/plain",
Params: map[string]string{"Charset": "UTF-8"},
Body: c.email,
},
}
if err := writeMultipartBody(append(parts, c.textParts...), w); err != nil {
return errors.Wrap(err, "writeMultipartBody")
}
for _, a := range c.attachments {
@ -634,24 +657,26 @@ func writeInlineBody(header *mail.Header, body io.Reader, writer io.Writer) erro
}
// write the message body to the multipart message
func writeMultipartBody(body io.Reader, w *mail.Writer) error {
bh := mail.InlineHeader{}
bh.SetContentType("text/plain", map[string]string{"charset": "UTF-8"})
func writeMultipartBody(parts []*Part, w *mail.Writer) error {
bi, err := w.CreateInline()
if err != nil {
return errors.Wrap(err, "CreateInline")
}
defer bi.Close()
bw, err := bi.CreatePart(bh)
if err != nil {
return errors.Wrap(err, "CreatePart")
}
defer bw.Close()
if _, err := io.Copy(bw, body); err != nil {
return errors.Wrap(err, "io.Copy")
for _, part := range parts {
bh := mail.InlineHeader{}
bh.SetContentType(part.MimeType, part.Params)
bw, err := bi.CreatePart(bh)
if err != nil {
return errors.Wrap(err, "CreatePart")
}
defer bw.Close()
if _, err := io.Copy(bw, part.Body); err != nil {
return errors.Wrap(err, "io.Copy")
}
}
return nil
}
@ -1084,6 +1109,13 @@ func newReviewMessage(composer *Composer, err error) *reviewMessage {
if composer.attachKey {
spec = append(spec, ui.GridSpec{Strategy: ui.SIZE_EXACT, Size: ui.Const(1)})
}
if len(composer.textParts) > 0 {
spec = append(spec, ui.GridSpec{Strategy: ui.SIZE_EXACT, Size: ui.Const(1)})
spec = append(spec, ui.GridSpec{Strategy: ui.SIZE_EXACT, Size: ui.Const(1)})
for i := 0; i < len(composer.textParts); i++ {
spec = append(spec, ui.GridSpec{Strategy: ui.SIZE_EXACT, Size: ui.Const(1)})
}
}
// make the last element fill remaining space
spec = append(spec, ui.GridSpec{Strategy: ui.SIZE_WEIGHT, Size: ui.Const(1)})
@ -1117,6 +1149,7 @@ func newReviewMessage(composer *Composer, err error) *reviewMessage {
if len(composer.attachments) == 0 && !composer.attachKey {
grid.AddChild(ui.NewText("(none)",
uiConfig.GetStyle(config.STYLE_DEFAULT))).At(i, 0)
i += 1
} else {
for _, a := range composer.attachments {
grid.AddChild(ui.NewText(a, uiConfig.GetStyle(config.STYLE_DEFAULT))).
@ -1124,6 +1157,18 @@ func newReviewMessage(composer *Composer, err error) *reviewMessage {
i += 1
}
}
if len(composer.textParts) > 0 {
grid.AddChild(ui.NewText("Parts:",
uiConfig.GetStyle(config.STYLE_TITLE))).At(i, 0)
i += 1
grid.AddChild(ui.NewText("text/plain", uiConfig.GetStyle(config.STYLE_DEFAULT))).At(i, 0)
i += 1
for _, p := range composer.textParts {
grid.AddChild(ui.NewText(p.MimeType, uiConfig.GetStyle(config.STYLE_DEFAULT))).At(i, 0)
i += 1
}
}
}
return &reviewMessage{