127 lines
3.2 KiB
Rust
127 lines
3.2 KiB
Rust
use std::{
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env,
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fs::File,
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io::{Seek, SeekFrom},
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path::PathBuf,
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process::exit,
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sync::Arc,
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};
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use tokio::sync::Mutex;
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use matrix_sdk::{
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self, async_trait,
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events::{
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room::message::{MessageEventContent, TextMessageEventContent},
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SyncMessageEvent,
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},
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Client, EventHandler, RoomState, SyncSettings,
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};
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use url::Url;
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struct ImageBot {
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client: Client,
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image: Arc<Mutex<File>>,
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}
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impl ImageBot {
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pub fn new(client: Client, image: File) -> Self {
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let image = Arc::new(Mutex::new(image));
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Self { client, image }
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}
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}
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#[async_trait]
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impl EventHandler for ImageBot {
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async fn on_room_message(
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&self,
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room: RoomState,
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event: &SyncMessageEvent<MessageEventContent>,
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) {
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if let RoomState::Joined(room) = room {
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let msg_body = if let SyncMessageEvent {
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content: MessageEventContent::Text(TextMessageEventContent { body: msg_body, .. }),
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..
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} = event
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{
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msg_body
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} else {
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return;
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};
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if msg_body.contains("!image") {
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println!("sending image");
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let mut image = self.image.lock().await;
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self.client
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.room_send_attachment(
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room.room_id(),
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"cat",
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&mime::IMAGE_JPEG,
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&mut *image,
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None,
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)
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.await
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.unwrap();
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image.seek(SeekFrom::Start(0)).unwrap();
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println!("message sent");
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}
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}
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}
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}
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async fn login_and_sync(
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homeserver_url: String,
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username: String,
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password: String,
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image: File,
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) -> Result<(), matrix_sdk::Error> {
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let homeserver_url = Url::parse(&homeserver_url).expect("Couldn't parse the homeserver URL");
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let client = Client::new(homeserver_url).unwrap();
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client
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.login(&username, &password, None, Some("command bot"))
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.await?;
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client.sync_once(SyncSettings::default()).await.unwrap();
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client
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.set_event_handler(Box::new(ImageBot::new(client.clone(), image)))
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.await;
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let settings = SyncSettings::default().token(client.sync_token().await.unwrap());
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client.sync(settings).await;
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Ok(())
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}
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#[tokio::main]
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async fn main() -> Result<(), matrix_sdk::Error> {
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tracing_subscriber::fmt::init();
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let (homeserver_url, username, password, image_path) = match (
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env::args().nth(1),
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env::args().nth(2),
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env::args().nth(3),
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env::args().nth(4),
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) {
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(Some(a), Some(b), Some(c), Some(d)) => (a, b, c, d),
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_ => {
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eprintln!(
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"Usage: {} <homeserver_url> <username> <password> <image>",
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env::args().next().unwrap()
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);
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exit(1)
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}
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};
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println!(
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"helloooo {} {} {} {:#?}",
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homeserver_url, username, password, image_path
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);
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let path = PathBuf::from(image_path);
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let image = File::open(path).expect("Can't open image file.");
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login_and_sync(homeserver_url, username, password, image).await?;
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Ok(())
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}
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