first idea of sendxmpp

cmd/sendxmpp/muc.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"github.com/bdlm/log"
+
+	"gosrc.io/xmpp"
+	"gosrc.io/xmpp/stanza"
+)
+
+var mucsToLeave []string
+
+func joinMUC(c xmpp.Sender, to, nick string) error {
+
+	toJID, err := xmpp.NewJid(to)
+	if err != nil {
+		return err
+	}
+	toJID.Resource = nick
+	jid := toJID.Full()
+
+	mucsToLeave = append(mucsToLeave, jid)
+
+	return c.Send(stanza.Presence{Attrs: stanza.Attrs{To: jid},
+		Extensions: []stanza.PresExtension{
+			stanza.MucPresence{
+				History: stanza.History{MaxStanzas: stanza.NewNullableInt(0)},
+			}},
+	})
+
+}
+
+func leaveMUCs(c xmpp.Sender) {
+	for _, muc := range mucsToLeave {
+		if err := c.Send(stanza.Presence{Attrs: stanza.Attrs{
+			To:   muc,
+			Type: stanza.PresenceTypeUnavailable,
+		}}); err != nil {
+			log.WithField("muc", muc).Errorf("error on leaving muc: %s", err)
+		}
+	}
+}