xmpp-rs/src/plugins/messaging.rs
2017-05-28 02:27:31 +01:00

133 lines
3.8 KiB
Rust

use std::convert::TryFrom;
use std::collections::BTreeMap;
use plugin::PluginProxy;
use event::{Event, Priority, Propagation};
use error::Error;
use jid::Jid;
use plugins::stanza::Message;
use xmpp_parsers::message::{MessagePayload, MessageType};
use xmpp_parsers::chatstates::ChatState;
use xmpp_parsers::receipts::Receipt;
use xmpp_parsers::stanza_id::StanzaId;
// TODO: use the id (maybe even stanza-id) to identify every message.
#[derive(Debug)]
pub struct MessageEvent {
pub from: Jid,
pub body: String,
pub subject: Option<String>,
pub thread: Option<String>,
}
#[derive(Debug)]
pub struct ChatStateEvent {
pub from: Jid,
pub chat_state: ChatState,
}
#[derive(Debug)]
pub struct ReceiptRequestEvent {
pub from: Jid,
}
#[derive(Debug)]
pub struct ReceiptReceivedEvent {
pub from: Jid,
pub id: String,
}
#[derive(Debug)]
pub struct StanzaIdEvent {
pub from: Jid,
pub stanza_id: StanzaId,
pub message: Message,
}
impl Event for MessageEvent {}
impl Event for ChatStateEvent {}
impl Event for ReceiptRequestEvent {}
impl Event for ReceiptReceivedEvent {}
impl Event for StanzaIdEvent {}
pub struct MessagingPlugin {
proxy: PluginProxy,
}
impl MessagingPlugin {
pub fn new() -> MessagingPlugin {
MessagingPlugin {
proxy: PluginProxy::new(),
}
}
pub fn send_message(&self, to: &Jid, body: &str) -> Result<(), Error> {
let message = Message {
from: None,
to: Some(to.clone()),
type_: MessageType::Chat,
// TODO: always use an id.
id: None,
bodies: {
let mut bodies = BTreeMap::new();
bodies.insert(String::new(), String::from(body));
bodies
},
subjects: BTreeMap::new(),
thread: None,
payloads: vec!(),
};
self.proxy.send(message.into());
Ok(())
}
fn handle_message(&self, message: &Message) -> Propagation {
let from = message.from.clone().unwrap();
for payload in message.payloads.clone() {
let payload = match MessagePayload::try_from(payload) {
Ok(payload) => payload,
Err(err) => {
println!("MessagePayload: {:?}", err);
continue;
}
};
match payload {
// XEP-0085
MessagePayload::ChatState(chat_state) => self.proxy.dispatch(ChatStateEvent {
from: from.clone(),
chat_state: chat_state,
}),
// XEP-0184
MessagePayload::Receipt(Receipt::Request) => self.proxy.dispatch(ReceiptRequestEvent {
from: from.clone(),
}),
// XEP-0184
MessagePayload::Receipt(Receipt::Received(id)) => self.proxy.dispatch(ReceiptReceivedEvent {
from: from.clone(),
id: id.unwrap(),
}),
// XEP-0359
MessagePayload::StanzaId(stanza_id) => self.proxy.dispatch(StanzaIdEvent {
from: from.clone(),
stanza_id: stanza_id,
message: message.clone(),
}),
payload => println!("Unhandled payload: {:?}", payload),
}
}
if message.bodies.contains_key("") {
self.proxy.dispatch(MessageEvent {
from: from,
body: message.bodies[""].clone(),
subject: if message.subjects.contains_key("") { Some(message.subjects[""].clone()) } else { None },
thread: message.thread.clone(),
});
}
Propagation::Stop
}
}
impl_plugin!(MessagingPlugin, proxy, [
(Message, Priority::Default) => handle_message,
]);