bot: Add 'version' and help (any other message) command

Signed-off-by: pep <pep@bouah.net>

src/bot.rs

@@ -24,7 +24,8 @@ use xmpp::jid::{BareJid, Jid, ResourcePart};
 use xmpp::parsers::message::MessageType;
 use xmpp::{
 	Agent, ClientBuilder, ClientFeature, ClientType, Config as AgentConfig, Event, RoomNick,
-	message::send::RawMessageSettings, muc::room::JoinRoomSettings,
+	message::send::{MessageSettings, RawMessageSettings},
+	muc::room::JoinRoomSettings,
 };
 
 pub struct XmppClient {
@@ -83,13 +84,36 @@ impl XmppClient {
 
 					debug!("Received chat message from {}: {}", bare, message);
 
-					if message == "rejoin" {
-						for room in &self.config.rooms {
+					match message.as_str() {
+						"rejoin" => {
+							for room in &self.config.rooms {
+								self.agent
+									.join_room(JoinRoomSettings {
+										nick: Some(RoomNick::from_resource_ref(
+											self.nickname.as_ref(),
+										)),
+										force_resync: true,
+										..JoinRoomSettings::new(room.clone())
+									})
+									.await
+							}
+						}
+						"version" => {
 							self.agent
-								.join_room(JoinRoomSettings {
-									nick: Some(RoomNick::from_resource_ref(self.nickname.as_ref())),
-									force_resync: true,
-									..JoinRoomSettings::new(room.clone())
+								.send_message(MessageSettings {
+									recipient: bare,
+									message: self.config.version.unwrap_or("No version specified."),
+									lang: Some("en"),
+								})
+								.await
+						}
+						_ => {
+							let message = "Help:\nrejoin: Re-join all rooms.\nversion: Display software version.";
+							self.agent
+								.send_message(MessageSettings {
+									recipient: bare,
+									message,
+									lang: Some("en"),
 								})
 								.await
 						}