Add body fetching support code

commands/account/fetch-msg.go

@@ -0,0 +1,29 @@
+package account
+
+import (
+	"errors"
+
+	"github.com/mohamedattahri/mail"
+
+	"git.sr.ht/~sircmpwn/aerc2/widgets"
+)
+
+func init() {
+	register("fetch-message", FetchMessage)
+}
+
+func FetchMessage(aerc *widgets.Aerc, args []string) error {
+	if len(args) != 1 {
+		return errors.New("Usage: :fetch-message")
+	}
+	acct := aerc.SelectedAccount()
+	if acct == nil {
+		return errors.New("No account selected")
+	}
+	store := acct.Messages().Store()
+	msg := acct.Messages().Selected()
+	store.FetchBodies([]uint32{msg.Uid}, func(msg *mail.Message) {
+		aerc.SetStatus("got message body, woohoo")
+	})
+	return nil
+}