ruwuma/examples/hello_world.rs
2018-12-22 12:10:47 +01:00

81 lines
2.3 KiB
Rust

#![feature(try_from)]
extern crate futures;
extern crate ruma_client;
extern crate ruma_events;
extern crate ruma_identifiers;
extern crate tokio_core;
extern crate url;
use std::{convert::TryFrom, env, process::exit};
use futures::Future;
use ruma_client::{api::r0, Client};
use ruma_events::{
room::message::{MessageEventContent, MessageType, TextMessageEventContent},
EventType,
};
use ruma_identifiers::RoomAliasId;
use tokio_core::reactor::Core;
use url::Url;
// from https://stackoverflow.com/a/43992218/1592377
macro_rules! clone {
(@param _) => ( _ );
(@param $x:ident) => ( $x );
($($n:ident),+ => move |$($p:tt),+| $body:expr) => (
{
$( let $n = $n.clone(); )+
move |$(clone!(@param $p),)+| $body
}
);
}
fn hello_world(
homeserver_url: Url,
room: String,
) -> impl Future<Item = (), Error = ruma_client::Error> {
let client = Client::https(homeserver_url, None).unwrap();
client.register_guest().and_then(clone!(client => move |_| {
r0::alias::get_alias::call(client, r0::alias::get_alias::Request {
room_alias: RoomAliasId::try_from(&room[..]).unwrap(),
})
})).and_then(clone!(client => move |response| {
let room_id = response.room_id;
r0::membership::join_room_by_id::call(client.clone(), r0::membership::join_room_by_id::Request {
room_id: room_id.clone(),
third_party_signed: None,
}).and_then(move |_| {
r0::send::send_message_event::call(client, r0::send::send_message_event::Request {
room_id: room_id,
event_type: EventType::RoomMessage,
txn_id: "1".to_owned(),
data: MessageEventContent::Text(TextMessageEventContent {
body: "Hello World!".to_owned(),
msgtype: MessageType::Text,
}),
})
})
})).map(|_| ())
}
fn main() {
let (homeserver_url, room) = match (env::args().nth(1), env::args().nth(2)) {
(Some(a), Some(b)) => (a, b),
_ => {
eprintln!(
"Usage: {} <homeserver_url> <room>",
env::args().next().unwrap()
);
exit(1)
}
};
Core::new()
.unwrap()
.run(hello_world(homeserver_url.parse().unwrap(), room))
.unwrap();
}