1// Copyright (c) 2023 xmpp-rs contributors.
 2//
 3// This Source Code Form is subject to the terms of the Mozilla Public
 4// License, v. 2.0. If a copy of the MPL was not distributed with this
 5// file, You can obtain one at http://mozilla.org/MPL/2.0/.
 6
 7use futures::StreamExt;
 8use tokio_xmpp::{
 9    parsers::{disco::DiscoInfoQuery, iq::Iq, roster::Roster},
10    Event as TokioXmppEvent, Stanza,
11};
12
13use crate::{iq, message, presence, Agent, Event};
14
15/// Wait for new events, or Error::Disconnected when stream is closed and will not reconnect.
16pub async fn wait_for_events(agent: &mut Agent) -> Vec<Event> {
17    if let Some(event) = agent.client.next().await {
18        let mut events = Vec::new();
19
20        #[cfg(feature = "escape-hatch")]
21        events.push(Event::TokioXmppEvent(event.clone()));
22
23        match event {
24            TokioXmppEvent::Online { resumed: false, .. } => {
25                let presence =
26                    presence::send::make_initial_presence(&agent.disco, &agent.node).into();
27                let _ = agent.client.send_stanza(presence).await;
28                events.push(Event::Online);
29                // TODO: only send this when the ContactList feature is enabled.
30                let iq = Iq::from_get(
31                    "roster",
32                    Roster {
33                        ver: None,
34                        items: vec![],
35                    },
36                )
37                .into();
38                let _ = agent.client.send_stanza(iq).await;
39
40                // Query account disco to know what bookmarks spec is used
41                let iq = Iq::from_get("disco-account", DiscoInfoQuery { node: None }).into();
42                let _ = agent.client.send_stanza(iq).await;
43                agent.awaiting_disco_bookmarks_type = true;
44            }
45            TokioXmppEvent::Online { resumed: true, .. } => {}
46            TokioXmppEvent::Disconnected(e) => {
47                events.push(Event::Disconnected(e));
48            }
49            TokioXmppEvent::Stanza(Stanza::Iq(iq)) => {
50                let new_events = iq::handle_iq(agent, iq).await;
51                events.extend(new_events);
52            }
53            TokioXmppEvent::Stanza(Stanza::Message(message)) => {
54                let new_events = message::receive::handle_message(agent, message).await;
55                events.extend(new_events);
56            }
57            TokioXmppEvent::Stanza(Stanza::Presence(presence)) => {
58                let new_events = presence::receive::handle_presence(agent, presence).await;
59                events.extend(new_events);
60            }
61        }
62
63        events
64    } else {
65        // Stream was closed and not opening again because TokioXmppClient reconnect is false
66        // However we set reconnect true in agent builder so this should never happen and indicates
67        // logic error in tokio_xmpp::AsyncClient::poll_next
68        panic!("xmpp::Agent should never receive None event (stream closed, no reconnect)");
69    }
70}