119 lines
3.9 KiB
Rust
119 lines
3.9 KiB
Rust
use std::{env, process::exit};
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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, MessageType, TextMessageEventContent},
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AnyMessageEventContent, SyncMessageEvent,
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},
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room::Joined,
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Client, ClientConfig, EventHandler, Room, SyncSettings,
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};
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use url::Url;
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struct CommandBot {
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/// This clone of the `Client` will send requests to the server,
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/// while the other keeps us in sync with the server using `sync`.
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client: Client,
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}
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impl CommandBot {
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pub fn new(client: Client) -> Self {
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Self { client }
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}
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}
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#[async_trait]
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impl EventHandler for CommandBot {
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async fn on_room_message(&self, room: Room, event: &SyncMessageEvent<MessageEventContent>) {
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if let Some(room) = Joined::new(self.client.clone(), room) {
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let msg_body = if let SyncMessageEvent {
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content:
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MessageEventContent {
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msgtype: MessageType::Text(TextMessageEventContent { body: msg_body, .. }),
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..
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},
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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("!party") {
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let content = AnyMessageEventContent::RoomMessage(MessageEventContent::text_plain(
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"🎉🎊🥳 let's PARTY!! 🥳🎊🎉",
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));
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println!("sending");
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// send our message to the room we found the "!party" command in
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// the last parameter is an optional Uuid which we don't care about.
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room.send(content, None).await.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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) -> Result<(), matrix_sdk::Error> {
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// the location for `JsonStore` to save files to
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let mut home = dirs::home_dir().expect("no home directory found");
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home.push("party_bot");
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let client_config = ClientConfig::new().store_path(home);
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let homeserver_url = Url::parse(&homeserver_url).expect("Couldn't parse the homeserver URL");
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// create a new Client with the given homeserver url and config
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let client = Client::new_with_config(homeserver_url, client_config).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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println!("logged in as {}", username);
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// An initial sync to set up state and so our bot doesn't respond to old messages.
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// If the `StateStore` finds saved state in the location given the initial sync will
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// be skipped in favor of loading state from the store
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client.sync_once(SyncSettings::default()).await.unwrap();
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// add our CommandBot to be notified of incoming messages, we do this after the initial
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// sync to avoid responding to messages before the bot was running.
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client
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.set_event_handler(Box::new(CommandBot::new(client.clone())))
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.await;
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// since we called `sync_once` before we entered our sync loop we must pass
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// that sync token to `sync`
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let settings = SyncSettings::default().token(client.sync_token().await.unwrap());
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// this keeps state from the server streaming in to CommandBot via the EventHandler trait
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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) =
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match (env::args().nth(1), env::args().nth(2), env::args().nth(3)) {
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(Some(a), Some(b), Some(c)) => (a, b, c),
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_ => {
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eprintln!(
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"Usage: {} <homeserver_url> <username> <password>",
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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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login_and_sync(homeserver_url, username, password).await?;
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Ok(())
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}
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