0340541002 2025-04-24 1: use crate::{
0340541002 2025-04-24 2: command,
0340541002 2025-04-24 3: sql::Db,
0340541002 2025-04-24 4: };
1c444d34ff 2024-08-28 5:
9171c791eb 2021-11-13 6: use std::{
c1e27b74ed 2021-11-13 7: borrow::Cow,
9171c791eb 2021-11-13 8: collections::{
9171c791eb 2021-11-13 9: BTreeMap,
9171c791eb 2021-11-13 10: HashSet,
9171c791eb 2021-11-13 11: },
dc7c43b010 2026-01-01 12: sync::Arc,
44575a91d3 2025-07-09 13: };
44575a91d3 2025-07-09 14:
dc7c43b010 2026-01-01 15: use async_compat::Compat;
acb0a4ac54 2025-09-28 16: use chrono::{
acb0a4ac54 2025-09-28 17: DateTime,
acb0a4ac54 2025-09-28 18: Local,
44575a91d3 2025-07-09 19: };
5a4aab7687 2025-06-29 20: use lazy_static::lazy_static;
5a4aab7687 2025-06-29 21: use regex::Regex;
acb0a4ac54 2025-09-28 22: use reqwest::header::{
acb0a4ac54 2025-09-28 23: CACHE_CONTROL,
acb0a4ac54 2025-09-28 24: EXPIRES,
acb0a4ac54 2025-09-28 25: LAST_MODIFIED
dc7c43b010 2026-01-01 26: };
dc7c43b010 2026-01-01 27: use smol::{
dc7c43b010 2026-01-01 28: Timer,
dc7c43b010 2026-01-01 29: lock::Mutex,
acb0a4ac54 2025-09-28 30: };
bb89b6fab8 2025-06-15 31: use tgbot::{
bb89b6fab8 2025-06-15 32: api::Client,
bb89b6fab8 2025-06-15 33: handler::UpdateHandler,
bb89b6fab8 2025-06-15 34: types::{
bb89b6fab8 2025-06-15 35: Bot,
bb89b6fab8 2025-06-15 36: ChatPeerId,
bb89b6fab8 2025-06-15 37: Command,
bb89b6fab8 2025-06-15 38: GetBot,
bb89b6fab8 2025-06-15 39: Message,
bb89b6fab8 2025-06-15 40: ParseMode,
bb89b6fab8 2025-06-15 41: SendMessage,
bb89b6fab8 2025-06-15 42: Update,
bb89b6fab8 2025-06-15 43: UpdateType,
bb89b6fab8 2025-06-15 44: UserPeerId,
1bd041d00f 2025-05-20 45: },
1bd041d00f 2025-05-20 46: };
44575a91d3 2025-07-09 47: use stacked_errors::{
44575a91d3 2025-07-09 48: Result,
44575a91d3 2025-07-09 49: StackableErr,
44575a91d3 2025-07-09 50: anyhow,
44575a91d3 2025-07-09 51: bail,
44575a91d3 2025-07-09 52: };
5a4aab7687 2025-06-29 53:
5a4aab7687 2025-06-29 54: lazy_static!{
5a4aab7687 2025-06-29 55: pub static ref RE_SPECIAL: Regex = Regex::new(r"([\-_*\[\]()~`>#+|{}\.!])").unwrap();
5a4aab7687 2025-06-29 56: }
5a4aab7687 2025-06-29 57:
704bf85f8c 2026-01-06 58: /// Escape characters that are special in Telegram HTML by prefixing them with a backslash.
704bf85f8c 2026-01-06 59: ///
704bf85f8c 2026-01-06 60: /// This ensures the returned string can be used as HTML-formatted Telegram message content
704bf85f8c 2026-01-06 61: /// without special characters being interpreted as HTML markup.
5a4aab7687 2025-06-29 62: pub fn encode (text: &str) -> Cow<'_, str> {
5a4aab7687 2025-06-29 63: RE_SPECIAL.replace_all(text, "\\$1")
d7fbc271ac 2026-01-06 64: }
d7fbc271ac 2026-01-06 65:
d7fbc271ac 2026-01-06 66: // This one does nothing except making sure only one token exists for each id
d7fbc271ac 2026-01-06 67: pub struct Token {
d7fbc271ac 2026-01-06 68: running: Arc<Mutex<HashSet<i32>>>,
d7fbc271ac 2026-01-06 69: my_id: i32,
d7fbc271ac 2026-01-06 70: }
d7fbc271ac 2026-01-06 71:
d7fbc271ac 2026-01-06 72: impl Token {
b23050a4ea 2026-01-06 73: /// Attempts to acquire a per-id token by inserting `my_id` into the shared `running` set.
b23050a4ea 2026-01-06 74: ///
b23050a4ea 2026-01-06 75: /// If the id was not already present, the function inserts it and returns `Some(Token)`.
b23050a4ea 2026-01-06 76: /// When the returned `Token` is dropped, the id will be removed from the `running` set,
b23050a4ea 2026-01-06 77: /// allowing subsequent acquisitions for the same id.
b23050a4ea 2026-01-06 78: ///
b23050a4ea 2026-01-06 79: /// # Parameters
b23050a4ea 2026-01-06 80: ///
b23050a4ea 2026-01-06 81: /// - `running`: Shared set tracking active ids.
b23050a4ea 2026-01-06 82: /// - `my_id`: Identifier to acquire a token for.
b23050a4ea 2026-01-06 83: ///
b23050a4ea 2026-01-06 84: /// # Returns
b23050a4ea 2026-01-06 85: ///
b23050a4ea 2026-01-06 86: /// `Ok(Token)` if the id was successfully acquired, `Error` if a token for the id is already active.
b23050a4ea 2026-01-06 87: async fn new (running: &Arc<Mutex<HashSet<i32>>>, my_id: i32) -> Result<Token> {
d7fbc271ac 2026-01-06 88: let running = running.clone();
b23050a4ea 2026-01-06 89: let mut set = running.lock_arc().await;
b23050a4ea 2026-01-06 90: if set.contains(&my_id) {
b23050a4ea 2026-01-06 91: bail!("Token already taken");
b23050a4ea 2026-01-06 92: } else {
b23050a4ea 2026-01-06 93: set.insert(my_id);
b23050a4ea 2026-01-06 94: Ok(Token {
b23050a4ea 2026-01-06 95: running,
b23050a4ea 2026-01-06 96: my_id,
b23050a4ea 2026-01-06 97: })
b23050a4ea 2026-01-06 98: }
d7fbc271ac 2026-01-06 99: }
d7fbc271ac 2026-01-06 100: }
d7fbc271ac 2026-01-06 101:
d7fbc271ac 2026-01-06 102: impl Drop for Token {
b23050a4ea 2026-01-06 103: /// Releases this token's claim on the shared running-set when the token is dropped.
b23050a4ea 2026-01-06 104: ///
b23050a4ea 2026-01-06 105: /// The token's identifier is removed from the shared `running` set so that future
b23050a4ea 2026-01-06 106: /// operations for the same id may proceed.
d7fbc271ac 2026-01-06 107: fn drop (&mut self) {
d7fbc271ac 2026-01-06 108: smol::block_on(async {
d7fbc271ac 2026-01-06 109: let mut set = self.running.lock_arc().await;
d7fbc271ac 2026-01-06 110: set.remove(&self.my_id);
d7fbc271ac 2026-01-06 111: })
d7fbc271ac 2026-01-06 112: }
5a4aab7687 2025-06-29 113: }
9171c791eb 2021-11-13 114:
9171c791eb 2021-11-13 115: #[derive(Clone)]
9171c791eb 2021-11-13 116: pub struct Core {
bb89b6fab8 2025-06-15 117: owner_chat: ChatPeerId,
bb89b6fab8 2025-06-15 118: // max_delay: u16,
bb89b6fab8 2025-06-15 119: pub tg: Client,
bb89b6fab8 2025-06-15 120: pub me: Bot,
0340541002 2025-04-24 121: pub db: Db,
d7fbc271ac 2026-01-06 122: running: Arc<Mutex<HashSet<i32>>>,
45e34762e4 2023-05-28 123: http_client: reqwest::Client,
45e34762e4 2023-05-28 124: }
45e34762e4 2023-05-28 125:
dc7c43b010 2026-01-01 126: pub struct Post {
dc7c43b010 2026-01-01 127: uri: String,
dc7c43b010 2026-01-01 128: title: String,
dc7c43b010 2026-01-01 129: authors: String,
dc7c43b010 2026-01-01 130: summary: String,
dc7c43b010 2026-01-01 131: }
dc7c43b010 2026-01-01 132:
9171c791eb 2021-11-13 133: impl Core {
704bf85f8c 2026-01-06 134: /// Create a Core instance from configuration and start its background autofetch loop.
704bf85f8c 2026-01-06 135: ///
704bf85f8c 2026-01-06 136: /// The provided `settings` must include:
704bf85f8c 2026-01-06 137: /// - `owner` (integer): chat id to use as the default destination,
704bf85f8c 2026-01-06 138: /// - `api_key` (string): Telegram bot API key,
704bf85f8c 2026-01-06 139: /// - `api_gateway` (string): Telegram API gateway host,
704bf85f8c 2026-01-06 140: /// - `pg` (string): PostgreSQL connection string,
704bf85f8c 2026-01-06 141: /// - optional `proxy` (string): proxy URL for the HTTP client.
704bf85f8c 2026-01-06 142: ///
704bf85f8c 2026-01-06 143: /// On success returns an initialized `Core` with Telegram and HTTP clients, database connection,
704bf85f8c 2026-01-06 144: /// an empty running set for per-id tokens, and a spawned background task that periodically runs
704bf85f8c 2026-01-06 145: /// `autofetch`. If any required setting is missing or initialization fails, an error is returned.
0340541002 2025-04-24 146: pub async fn new(settings: config::Config) -> Result<Core> {
44575a91d3 2025-07-09 147: let owner_chat = ChatPeerId::from(settings.get_int("owner").stack()?);
44575a91d3 2025-07-09 148: let api_key = settings.get_string("api_key").stack()?;
42b29b744b 2026-01-01 149: let tg = Client::new(&api_key).stack()?
42b29b744b 2026-01-01 150: .with_host(settings.get_string("api_gateway").stack()?);
45e34762e4 2023-05-28 151:
45e34762e4 2023-05-28 152: let mut client = reqwest::Client::builder();
9d8a6738fd 2023-07-30 153: if let Ok(proxy) = settings.get_string("proxy") {
44575a91d3 2025-07-09 154: let proxy = reqwest::Proxy::all(proxy).stack()?;
45e34762e4 2023-05-28 155: client = client.proxy(proxy);
45e34762e4 2023-05-28 156: }
44575a91d3 2025-07-09 157: let http_client = client.build().stack()?;
44575a91d3 2025-07-09 158: let me = tg.execute(GetBot).await.stack()?;
0340541002 2025-04-24 159: let core = Core {
f988dfd28f 2022-02-13 160: tg,
e624ef9d66 2025-04-20 161: me,
e624ef9d66 2025-04-20 162: owner_chat,
44575a91d3 2025-07-09 163: db: Db::new(&settings.get_string("pg").stack()?)?,
d7fbc271ac 2026-01-06 164: running: Arc::new(Mutex::new(HashSet::new())),
45e34762e4 2023-05-28 165: http_client,
bb89b6fab8 2025-06-15 166: // max_delay: 60,
0340541002 2025-04-24 167: };
bb89b6fab8 2025-06-15 168: let clone = core.clone();
dc7c43b010 2026-01-01 169: smol::spawn(Compat::new(async move {
26339860ce 2022-02-13 170: loop {
26339860ce 2022-02-13 171: let delay = match &clone.autofetch().await {
26339860ce 2022-02-13 172: Err(err) => {
07b34bcad6 2025-08-05 173: if let Err(err) = clone.send(format!("🛑 {err}"), None, None).await {
e624ef9d66 2025-04-20 174: eprintln!("Autofetch error: {err:?}");
26339860ce 2022-02-13 175: };
cb86e770f9 2022-03-15 176: std::time::Duration::from_secs(60)
26339860ce 2022-02-13 177: },
26339860ce 2022-02-13 178: Ok(time) => *time,
9171c791eb 2021-11-13 179: };
dc7c43b010 2026-01-01 180: Timer::after(delay).await;
9171c791eb 2021-11-13 181: }
dc7c43b010 2026-01-01 182: })).detach();
9171c791eb 2021-11-13 183: Ok(core)
9171c791eb 2021-11-13 184: }
9171c791eb 2021-11-13 185:
bb89b6fab8 2025-06-15 186: pub async fn send <S>(&self, msg: S, target: Option<ChatPeerId>, mode: Option<ParseMode>) -> Result<Message>
e624ef9d66 2025-04-20 187: where S: Into<String> {
e624ef9d66 2025-04-20 188: let msg = msg.into();
e624ef9d66 2025-04-20 189:
e624ef9d66 2025-04-20 190: let mode = mode.unwrap_or(ParseMode::Html);
e624ef9d66 2025-04-20 191: let target = target.unwrap_or(self.owner_chat);
44575a91d3 2025-07-09 192: self.tg.execute(
44575a91d3 2025-07-09 193: SendMessage::new(target, msg)
44575a91d3 2025-07-09 194: .with_parse_mode(mode)
44575a91d3 2025-07-09 195: ).await.stack()
44575a91d3 2025-07-09 196: }
44575a91d3 2025-07-09 197:
704bf85f8c 2026-01-06 198: /// Fetches the feed for a source, sends any newly discovered posts to the appropriate chat, and records them in the database.
704bf85f8c 2026-01-06 199: ///
704bf85f8c 2026-01-06 200: /// This acquires a per-source guard to prevent concurrent checks for the same `id`. If a check is already running for
704bf85f8c 2026-01-06 201: /// the given `id`, the function returns an error. If `last_scrape` is provided, it is sent as the `If-Modified-Since`
704bf85f8c 2026-01-06 202: /// header to the feed request. The function parses RSS or Atom feeds, sends unseen post URLs to either the source's
704bf85f8c 2026-01-06 203: /// channel (when `real` is true) or the source owner (when `real` is false), and persists posted entries so they are
704bf85f8c 2026-01-06 204: /// not reposted later.
704bf85f8c 2026-01-06 205: ///
704bf85f8c 2026-01-06 206: /// Parameters:
704bf85f8c 2026-01-06 207: /// - `id`: Identifier of the source to check.
704bf85f8c 2026-01-06 208: /// - `real`: When `true`, send posts to the source's channel; when `false`, send to the source owner.
704bf85f8c 2026-01-06 209: /// - `last_scrape`: Optional timestamp used to set the `If-Modified-Since` header for the HTTP request.
704bf85f8c 2026-01-06 210: ///
704bf85f8c 2026-01-06 211: /// # Returns
704bf85f8c 2026-01-06 212: ///
704bf85f8c 2026-01-06 213: /// `Posted: N` where `N` is the number of posts processed and sent.
acb0a4ac54 2025-09-28 214: pub async fn check (&self, id: i32, real: bool, last_scrape: Option<DateTime<Local>>) -> Result<String> {
44575a91d3 2025-07-09 215: let mut posted: i32 = 0;
44575a91d3 2025-07-09 216: let mut conn = self.db.begin().await.stack()?;
44575a91d3 2025-07-09 217:
b23050a4ea 2026-01-06 218: let _token = Token::new(&self.running, id).await.stack()?;
d7fbc271ac 2026-01-06 219: let source = conn.get_source(id, self.owner_chat).await.stack()?;
d7fbc271ac 2026-01-06 220: conn.set_scrape(id).await.stack()?;
d7fbc271ac 2026-01-06 221: let destination = ChatPeerId::from(match real {
d7fbc271ac 2026-01-06 222: true => source.channel_id,
d7fbc271ac 2026-01-06 223: false => source.owner,
d7fbc271ac 2026-01-06 224: });
d7fbc271ac 2026-01-06 225: let mut this_fetch: Option<DateTime<chrono::FixedOffset>> = None;
d7fbc271ac 2026-01-06 226: let mut posts: BTreeMap<DateTime<chrono::FixedOffset>, Post> = BTreeMap::new();
d7fbc271ac 2026-01-06 227:
d7fbc271ac 2026-01-06 228: let mut builder = self.http_client.get(&source.url);
d7fbc271ac 2026-01-06 229: if let Some(last_scrape) = last_scrape {
d7fbc271ac 2026-01-06 230: builder = builder.header(LAST_MODIFIED, last_scrape.to_rfc2822());
d7fbc271ac 2026-01-06 231: };
d7fbc271ac 2026-01-06 232: let response = builder.send().await.stack()?;
d7fbc271ac 2026-01-06 233: {
d7fbc271ac 2026-01-06 234: let headers = response.headers();
d7fbc271ac 2026-01-06 235: let expires = headers.get(EXPIRES);
d7fbc271ac 2026-01-06 236: let cache = headers.get(CACHE_CONTROL);
d7fbc271ac 2026-01-06 237: if expires.is_some() || cache.is_some() {
d7fbc271ac 2026-01-06 238: println!("{} {} {:?} {:?} {:?}", Local::now().to_rfc2822(), &source.url, last_scrape, expires, cache);
d7fbc271ac 2026-01-06 239: }
d7fbc271ac 2026-01-06 240: }
d7fbc271ac 2026-01-06 241: let status = response.status();
d7fbc271ac 2026-01-06 242: let content = response.bytes().await.stack()?;
d7fbc271ac 2026-01-06 243: match rss::Channel::read_from(&content[..]) {
d7fbc271ac 2026-01-06 244: Ok(feed) => {
d7fbc271ac 2026-01-06 245: for item in feed.items() {
d7fbc271ac 2026-01-06 246: if let Some(link) = item.link() {
d7fbc271ac 2026-01-06 247: let date = match item.pub_date() {
d7fbc271ac 2026-01-06 248: Some(feed_date) => DateTime::parse_from_rfc2822(feed_date),
d7fbc271ac 2026-01-06 249: None => DateTime::parse_from_rfc3339(match item.dublin_core_ext() {
704bf85f8c 2026-01-06 250: Some(ext) => {
704bf85f8c 2026-01-06 251: let dates = ext.dates();
704bf85f8c 2026-01-06 252: if dates.is_empty() {
704bf85f8c 2026-01-06 253: bail!("Feed item has Dublin Core extension but no dates.")
704bf85f8c 2026-01-06 254: } else {
704bf85f8c 2026-01-06 255: &dates[0]
704bf85f8c 2026-01-06 256: }
704bf85f8c 2026-01-06 257: },
d7fbc271ac 2026-01-06 258: None => bail!("Feed item misses posting date."),
d7fbc271ac 2026-01-06 259: }),
d7fbc271ac 2026-01-06 260: }.stack()?;
d7fbc271ac 2026-01-06 261: let uri = link.to_string();
d7fbc271ac 2026-01-06 262: let title = item.title().unwrap_or("").to_string();
d7fbc271ac 2026-01-06 263: let authors = item.author().unwrap_or("").to_string();
d7fbc271ac 2026-01-06 264: let summary = item.content().unwrap_or("").to_string();
d7fbc271ac 2026-01-06 265: posts.insert(date, Post{
d7fbc271ac 2026-01-06 266: uri,
d7fbc271ac 2026-01-06 267: title,
d7fbc271ac 2026-01-06 268: authors,
d7fbc271ac 2026-01-06 269: summary,
d7fbc271ac 2026-01-06 270: });
d7fbc271ac 2026-01-06 271: }
d7fbc271ac 2026-01-06 272: };
d7fbc271ac 2026-01-06 273: },
d7fbc271ac 2026-01-06 274: Err(err) => match err {
d7fbc271ac 2026-01-06 275: rss::Error::InvalidStartTag => {
d7fbc271ac 2026-01-06 276: match atom_syndication::Feed::read_from(&content[..]) {
d7fbc271ac 2026-01-06 277: Ok(feed) => {
d7fbc271ac 2026-01-06 278: for item in feed.entries() {
d7fbc271ac 2026-01-06 279: let date = item.published().unwrap();
d7fbc271ac 2026-01-06 280: let uri = item.links()[0].href().to_string();
d7fbc271ac 2026-01-06 281: let title = item.title().to_string();
d7fbc271ac 2026-01-06 282: let authors = item.authors().iter().map(|x| format!("{} <{:?}>", x.name(), x.email())).collect::<Vec<String>>().join(", ");
d7fbc271ac 2026-01-06 283: let summary = if let Some(sum) = item.summary() { sum.value.clone() } else { String::new() };
d7fbc271ac 2026-01-06 284: posts.insert(*date, Post{
d7fbc271ac 2026-01-06 285: uri,
d7fbc271ac 2026-01-06 286: title,
d7fbc271ac 2026-01-06 287: authors,
d7fbc271ac 2026-01-06 288: summary,
d7fbc271ac 2026-01-06 289: });
d7fbc271ac 2026-01-06 290: };
d7fbc271ac 2026-01-06 291: },
d7fbc271ac 2026-01-06 292: Err(err) => {
d7fbc271ac 2026-01-06 293: bail!("Unsupported or mangled content:\n{:?}\n{err}\n{status:#?}\n", &source.url)
d7fbc271ac 2026-01-06 294: },
d7fbc271ac 2026-01-06 295: }
d7fbc271ac 2026-01-06 296: },
d7fbc271ac 2026-01-06 297: rss::Error::Eof => (),
d7fbc271ac 2026-01-06 298: _ => bail!("Unsupported or mangled content:\n{:?}\n{err}\n{status:#?}\n", &source.url)
d7fbc271ac 2026-01-06 299: }
d7fbc271ac 2026-01-06 300: };
d7fbc271ac 2026-01-06 301: for (date, post) in posts.iter() {
d7fbc271ac 2026-01-06 302: let post_url: Cow<str> = match source.url_re {
d7fbc271ac 2026-01-06 303: Some(ref x) => sedregex::ReplaceCommand::new(x).stack()?.execute(&post.uri),
d7fbc271ac 2026-01-06 304: None => post.uri.clone().into(),
d7fbc271ac 2026-01-06 305: };
d7fbc271ac 2026-01-06 306: if let Some(exists) = conn.exists(&post_url, id).await.stack()? {
d7fbc271ac 2026-01-06 307: if ! exists {
d7fbc271ac 2026-01-06 308: if this_fetch.is_none() || *date > this_fetch.unwrap() {
d7fbc271ac 2026-01-06 309: this_fetch = Some(*date);
d7fbc271ac 2026-01-06 310: };
d7fbc271ac 2026-01-06 311: self.send( match &source.iv_hash {
d7fbc271ac 2026-01-06 312: Some(hash) => format!("<a href=\"https://t.me/iv?url={post_url}&rhash={hash}\"> </a>{post_url}"),
d7fbc271ac 2026-01-06 313: None => format!("{post_url}"),
d7fbc271ac 2026-01-06 314: }, Some(destination), Some(ParseMode::Html)).await.stack()?;
d7fbc271ac 2026-01-06 315: conn.add_post(id, date, &post_url).await.stack()?;
d7fbc271ac 2026-01-06 316: };
d7fbc271ac 2026-01-06 317: };
d7fbc271ac 2026-01-06 318: posted += 1;
d7fbc271ac 2026-01-06 319: };
d7fbc271ac 2026-01-06 320: posts.clear();
0340541002 2025-04-24 321: Ok(format!("Posted: {posted}"))
26339860ce 2022-02-13 322: }
26339860ce 2022-02-13 323:
bb89b6fab8 2025-06-15 324: async fn autofetch(&self) -> Result<std::time::Duration> {
26339860ce 2022-02-13 325: let mut delay = chrono::Duration::minutes(1);
9910c2209c 2023-08-04 326: let now = chrono::Local::now();
bb89b6fab8 2025-06-15 327: let queue = {
44575a91d3 2025-07-09 328: let mut conn = self.db.begin().await.stack()?;
44575a91d3 2025-07-09 329: conn.get_queue().await.stack()?
bb89b6fab8 2025-06-15 330: };
bb89b6fab8 2025-06-15 331: for row in queue {
9910c2209c 2023-08-04 332: if let Some(next_fetch) = row.next_fetch {
9910c2209c 2023-08-04 333: if next_fetch < now {
acb0a4ac54 2025-09-28 334: if let (Some(owner), Some(source_id), last_scrape) = (row.owner, row.source_id, row.last_scrape) {
bb89b6fab8 2025-06-15 335: let clone = Core {
bb89b6fab8 2025-06-15 336: owner_chat: ChatPeerId::from(owner),
9910c2209c 2023-08-04 337: ..self.clone()
9910c2209c 2023-08-04 338: };
b4af85e31b 2025-06-29 339: let source = {
44575a91d3 2025-07-09 340: let mut conn = self.db.begin().await.stack()?;
b4af85e31b 2025-06-29 341: match conn.get_one(owner, source_id).await {
b4af85e31b 2025-06-29 342: Ok(Some(source)) => source.to_string(),
4c144972c0 2026-01-02 343: Ok(None) => "Source not found in database?".to_string(),
b4af85e31b 2025-06-29 344: Err(err) => format!("Failed to fetch source data:\n{err}"),
b4af85e31b 2025-06-29 345: }
b4af85e31b 2025-06-29 346: };
dc7c43b010 2026-01-01 347: smol::spawn(Compat::new(async move {
acb0a4ac54 2025-09-28 348: if let Err(err) = clone.check(source_id, true, Some(last_scrape)).await {
4c144972c0 2026-01-02 349: if let Err(err) = clone.send(&format!("🛑 {source}\n{}", encode(&err.to_string())), None, Some(ParseMode::MarkdownV2)).await {
ec71df21e1 2025-11-07 350: eprintln!("Check error: {err}");
79c91a5357 2024-08-02 351: // clone.disable(&source_id, owner).await.unwrap();
9910c2209c 2023-08-04 352: };
9910c2209c 2023-08-04 353: };
dc7c43b010 2026-01-01 354: })).detach();
9910c2209c 2023-08-04 355: }
9910c2209c 2023-08-04 356: } else if next_fetch - now < delay {
9910c2209c 2023-08-04 357: delay = next_fetch - now;
9910c2209c 2023-08-04 358: }
9910c2209c 2023-08-04 359: }
9910c2209c 2023-08-04 360: };
44575a91d3 2025-07-09 361: delay.to_std().stack()
9910c2209c 2023-08-04 362: }
9910c2209c 2023-08-04 363:
bb89b6fab8 2025-06-15 364: pub async fn list (&self, owner: UserPeerId) -> Result<String> {
b4af85e31b 2025-06-29 365: let mut reply: Vec<String> = vec![];
9910c2209c 2023-08-04 366: reply.push("Channels:".into());
44575a91d3 2025-07-09 367: let mut conn = self.db.begin().await.stack()?;
44575a91d3 2025-07-09 368: for row in conn.get_list(owner).await.stack()? {
b4af85e31b 2025-06-29 369: reply.push(row.to_string());
e624ef9d66 2025-04-20 370: };
b4af85e31b 2025-06-29 371: Ok(reply.join("\n\n"))
bb89b6fab8 2025-06-15 372: }
bb89b6fab8 2025-06-15 373: }
bb89b6fab8 2025-06-15 374:
bb89b6fab8 2025-06-15 375: impl UpdateHandler for Core {
bb89b6fab8 2025-06-15 376: async fn handle (&self, update: Update) {
bb89b6fab8 2025-06-15 377: if let UpdateType::Message(msg) = update.update_type {
bb89b6fab8 2025-06-15 378: if let Ok(cmd) = Command::try_from(msg) {
bb89b6fab8 2025-06-15 379: let msg = cmd.get_message();
bb89b6fab8 2025-06-15 380: let words = cmd.get_args();
fae13a0e55 2025-06-28 381: let command = cmd.get_name();
fae13a0e55 2025-06-28 382: let res = match command {
fae13a0e55 2025-06-28 383: "/check" | "/clean" | "/enable" | "/delete" | "/disable" => command::command(self, command, msg, words).await,
bb89b6fab8 2025-06-15 384: "/start" => command::start(self, msg).await,
bb89b6fab8 2025-06-15 385: "/list" => command::list(self, msg).await,
fae13a0e55 2025-06-28 386: "/add" | "/update" => command::update(self, command, msg, words).await,
bb89b6fab8 2025-06-15 387: any => Err(anyhow!("Unknown command: {any}")),
bb89b6fab8 2025-06-15 388: };
bb89b6fab8 2025-06-15 389: if let Err(err) = res {
07b34bcad6 2025-08-05 390: if let Err(err2) = self.send(format!("\\#error\n```\n{err}\n```"),
bb89b6fab8 2025-06-15 391: Some(msg.chat.get_id()),
bb89b6fab8 2025-06-15 392: Some(ParseMode::MarkdownV2)
bb89b6fab8 2025-06-15 393: ).await{
bb89b6fab8 2025-06-15 394: dbg!(err2);
bb89b6fab8 2025-06-15 395: };
bb89b6fab8 2025-06-15 396: }
bb89b6fab8 2025-06-15 397: };
bb89b6fab8 2025-06-15 398: };
e624ef9d66 2025-04-20 399: }
9171c791eb 2021-11-13 400: }