matrix-rust-sdk/matrix_sdk/examples/autojoin.rs

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use std::{env, process::exit};
use matrix_sdk::{
self,
events::{room::member::MemberEventContent, StrippedStateEventStub},
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Client, ClientConfig, EventEmitter, SyncRoom, SyncSettings,
};
use matrix_sdk_common_macros::async_trait;
use url::Url;
struct AutoJoinBot {
client: Client,
}
impl AutoJoinBot {
pub fn new(client: Client) -> Self {
Self { client }
}
}
#[async_trait]
impl EventEmitter for AutoJoinBot {
async fn on_stripped_state_member(
&self,
room: SyncRoom,
room_member: &StrippedStateEventStub<MemberEventContent>,
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_: Option<MemberEventContent>,
) {
if room_member.state_key != self.client.user_id().await.unwrap() {
return;
}
if let SyncRoom::Invited(room) = room {
let room = room.read().await;
println!("Autojoining room {}", room.display_name());
self.client
.join_room_by_id(&room.room_id)
.await
.expect("Can't join room");
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}
}
}
async fn login_and_sync(
homeserver_url: String,
username: String,
password: String,
) -> Result<(), matrix_sdk::Error> {
let mut home = dirs::home_dir().expect("no home directory found");
home.push("autojoin_bot");
let client_config = ClientConfig::new().store_path(home);
let homeserver_url = Url::parse(&homeserver_url).expect("Couldn't parse the homeserver URL");
let mut client = Client::new_with_config(homeserver_url, client_config).unwrap();
client
.login(
username.clone(),
password,
None,
Some("autojoin bot".to_string()),
)
.await?;
println!("logged in as {}", username);
client
.add_event_emitter(Box::new(AutoJoinBot::new(client.clone())))
.await;
client
.sync_forever(SyncSettings::default(), |_| async {})
.await;
Ok(())
}
#[tokio::main]
async fn main() -> Result<(), matrix_sdk::Error> {
tracing_subscriber::fmt::init();
let (homeserver_url, username, password) =
match (env::args().nth(1), env::args().nth(2), env::args().nth(3)) {
(Some(a), Some(b), Some(c)) => (a, b, c),
_ => {
eprintln!(
"Usage: {} <homeserver_url> <username> <password>",
env::args().next().unwrap()
);
exit(1)
}
};
login_and_sync(homeserver_url, username, password).await?;
Ok(())
}