Add threading support for maildirthreading

1 files changed, 17 insertions, 0 deletions

diff --git a/worker/maildir/message.go b/worker/maildir/message.go
index dc5646b..283a3cd 100644
--- a/worker/maildir/message.go
+++ b/worker/maildir/message.go
@@ -1,6 +1,7 @@
 package maildir
 
 import (
+	"bufio"
 	"bytes"
 	"fmt"
 	"io"
@@ -8,6 +9,7 @@ import (
 
 	"github.com/emersion/go-maildir"
 	"github.com/emersion/go-message"
+	"github.com/emersion/go-message/textproto"
 
 	"git.sr.ht/~sircmpwn/aerc/models"
 	"git.sr.ht/~sircmpwn/aerc/worker/lib"
@@ -119,3 +121,18 @@ func translateFlags(maildirFlags []maildir.Flag) []models.Flag {
 func (m Message) UID() uint32 {
 	return m.uid
 }
+
+func (m Message) Headers() (*message.Header, error) {
+	f, err := m.dir.Open(m.key)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+	br := bufio.NewReader(f)
+	h, err := textproto.ReadHeader(br)
+	if err != nil {
+		return nil, err
+	}
+	mh := message.Header{h}
+	return &mh, nil
+}