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: },
1c444d34ff 2024-08-28 12: sync::{
1c444d34ff 2024-08-28 13: Arc,
1c444d34ff 2024-08-28 14: Mutex
1c444d34ff 2024-08-28 15: },
1c444d34ff 2024-08-28 16: };
1c444d34ff 2024-08-28 17:
e624ef9d66 2025-04-20 18: use anyhow::{
1bd041d00f 2025-05-20 19: anyhow,
e624ef9d66 2025-04-20 20: bail,
e624ef9d66 2025-04-20 21: Result,
e624ef9d66 2025-04-20 22: };
e624ef9d66 2025-04-20 23: use async_std::task;
e624ef9d66 2025-04-20 24: use chrono::DateTime;
bb89b6fab8 2025-06-15 25: use tgbot::{
bb89b6fab8 2025-06-15 26: api::Client,
bb89b6fab8 2025-06-15 27: handler::UpdateHandler,
bb89b6fab8 2025-06-15 28: types::{
bb89b6fab8 2025-06-15 29: Bot,
bb89b6fab8 2025-06-15 30: ChatPeerId,
bb89b6fab8 2025-06-15 31: Command,
bb89b6fab8 2025-06-15 32: GetBot,
bb89b6fab8 2025-06-15 33: Message,
bb89b6fab8 2025-06-15 34: ParseMode,
bb89b6fab8 2025-06-15 35: SendMessage,
bb89b6fab8 2025-06-15 36: Update,
bb89b6fab8 2025-06-15 37: UpdateType,
bb89b6fab8 2025-06-15 38: UserPeerId,
bb89b6fab8 2025-06-15 39: },
bb89b6fab8 2025-06-15 40: };
9171c791eb 2021-11-13 41:
9171c791eb 2021-11-13 42: #[derive(Clone)]
9171c791eb 2021-11-13 43: pub struct Core {
bb89b6fab8 2025-06-15 44: owner_chat: ChatPeerId,
bb89b6fab8 2025-06-15 45: // max_delay: u16,
bb89b6fab8 2025-06-15 46: pub tg: Client,
bb89b6fab8 2025-06-15 47: pub me: Bot,
0340541002 2025-04-24 48: pub db: Db,
9171c791eb 2021-11-13 49: sources: Arc<Mutex<HashSet<Arc<i32>>>>,
45e34762e4 2023-05-28 50: http_client: reqwest::Client,
9171c791eb 2021-11-13 51: }
9171c791eb 2021-11-13 52:
9171c791eb 2021-11-13 53: impl Core {
0340541002 2025-04-24 54: pub async fn new(settings: config::Config) -> Result<Core> {
bb89b6fab8 2025-06-15 55: let owner_chat = ChatPeerId::from(settings.get_int("owner")?);
28da2e2a00 2022-03-12 56: let api_key = settings.get_string("api_key")?;
bb89b6fab8 2025-06-15 57: let tg = Client::new(&api_key)?;
45e34762e4 2023-05-28 58:
45e34762e4 2023-05-28 59: let mut client = reqwest::Client::builder();
9d8a6738fd 2023-07-30 60: if let Ok(proxy) = settings.get_string("proxy") {
45e34762e4 2023-05-28 61: let proxy = reqwest::Proxy::all(proxy)?;
45e34762e4 2023-05-28 62: client = client.proxy(proxy);
45e34762e4 2023-05-28 63: }
45e34762e4 2023-05-28 64: let http_client = client.build()?;
bb89b6fab8 2025-06-15 65: let me = tg.execute(GetBot).await?;
0340541002 2025-04-24 66: let core = Core {
f988dfd28f 2022-02-13 67: tg,
e624ef9d66 2025-04-20 68: me,
e624ef9d66 2025-04-20 69: owner_chat,
0340541002 2025-04-24 70: db: Db::new(&settings.get_string("pg")?)?,
9171c791eb 2021-11-13 71: sources: Arc::new(Mutex::new(HashSet::new())),
45e34762e4 2023-05-28 72: http_client,
bb89b6fab8 2025-06-15 73: // max_delay: 60,
0340541002 2025-04-24 74: };
bb89b6fab8 2025-06-15 75: let clone = core.clone();
cb86e770f9 2022-03-15 76: task::spawn(async move {
26339860ce 2022-02-13 77: loop {
26339860ce 2022-02-13 78: let delay = match &clone.autofetch().await {
26339860ce 2022-02-13 79: Err(err) => {
e624ef9d66 2025-04-20 80: if let Err(err) = clone.send(format!("š {err:?}"), None, None).await {
e624ef9d66 2025-04-20 81: eprintln!("Autofetch error: {err:?}");
26339860ce 2022-02-13 82: };
cb86e770f9 2022-03-15 83: std::time::Duration::from_secs(60)
26339860ce 2022-02-13 84: },
26339860ce 2022-02-13 85: Ok(time) => *time,
9171c791eb 2021-11-13 86: };
cb86e770f9 2022-03-15 87: task::sleep(delay).await;
9171c791eb 2021-11-13 88: }
e624ef9d66 2025-04-20 89: });
9171c791eb 2021-11-13 90: Ok(core)
9171c791eb 2021-11-13 91: }
9171c791eb 2021-11-13 92:
bb89b6fab8 2025-06-15 93: pub async fn send <S>(&self, msg: S, target: Option<ChatPeerId>, mode: Option<ParseMode>) -> Result<Message>
e624ef9d66 2025-04-20 94: where S: Into<String> {
e624ef9d66 2025-04-20 95: let msg = msg.into();
e624ef9d66 2025-04-20 96:
e624ef9d66 2025-04-20 97: let mode = mode.unwrap_or(ParseMode::Html);
e624ef9d66 2025-04-20 98: let target = target.unwrap_or(self.owner_chat);
bb89b6fab8 2025-06-15 99: Ok(self.tg.execute(
bb89b6fab8 2025-06-15 100: SendMessage::new(target, msg)
bb89b6fab8 2025-06-15 101: .with_parse_mode(mode)
bb89b6fab8 2025-06-15 102: ).await?)
bb89b6fab8 2025-06-15 103: }
bb89b6fab8 2025-06-15 104:
bb89b6fab8 2025-06-15 105: pub async fn check (&self, id: i32, real: bool) -> Result<String> {
e624ef9d66 2025-04-20 106: let mut posted: i32 = 0;
0340541002 2025-04-24 107: let mut conn = self.db.begin().await?;
285ce2bc31 2024-09-17 108:
285ce2bc31 2024-09-17 109: let id = {
285ce2bc31 2024-09-17 110: let mut set = self.sources.lock().unwrap();
bb89b6fab8 2025-06-15 111: match set.get(&id) {
285ce2bc31 2024-09-17 112: Some(id) => id.clone(),
285ce2bc31 2024-09-17 113: None => {
bb89b6fab8 2025-06-15 114: let id = Arc::new(id);
9171c791eb 2021-11-13 115: set.insert(id.clone());
9171c791eb 2021-11-13 116: id.clone()
9171c791eb 2021-11-13 117: },
9171c791eb 2021-11-13 118: }
9171c791eb 2021-11-13 119: };
9171c791eb 2021-11-13 120: let count = Arc::strong_count(&id);
9171c791eb 2021-11-13 121: if count == 2 {
bb89b6fab8 2025-06-15 122: let source = conn.get_source(*id, self.owner_chat).await?;
61899b5618 2025-04-26 123: conn.set_scrape(*id).await?;
bb89b6fab8 2025-06-15 124: let destination = ChatPeerId::from(match real {
e624ef9d66 2025-04-20 125: true => source.channel_id,
e624ef9d66 2025-04-20 126: false => source.owner,
bb89b6fab8 2025-06-15 127: });
9171c791eb 2021-11-13 128: let mut this_fetch: Option<DateTime<chrono::FixedOffset>> = None;
9171c791eb 2021-11-13 129: let mut posts: BTreeMap<DateTime<chrono::FixedOffset>, String> = BTreeMap::new();
45e34762e4 2023-05-28 130:
9910c2209c 2023-08-04 131: let response = self.http_client.get(&source.url).send().await?;
613a665847 2021-11-15 132: let status = response.status();
613a665847 2021-11-15 133: let content = response.bytes().await?;
9171c791eb 2021-11-13 134: match rss::Channel::read_from(&content[..]) {
9171c791eb 2021-11-13 135: Ok(feed) => {
9171c791eb 2021-11-13 136: for item in feed.items() {
f988dfd28f 2022-02-13 137: if let Some(link) = item.link() {
f988dfd28f 2022-02-13 138: let date = match item.pub_date() {
f988dfd28f 2022-02-13 139: Some(feed_date) => DateTime::parse_from_rfc2822(feed_date),
f988dfd28f 2022-02-13 140: None => DateTime::parse_from_rfc3339(&item.dublin_core_ext().unwrap().dates()[0]),
f988dfd28f 2022-02-13 141: }?;
f988dfd28f 2022-02-13 142: let url = link;
26339860ce 2022-02-13 143: posts.insert(date, url.to_string());
9171c791eb 2021-11-13 144: }
9171c791eb 2021-11-13 145: };
9171c791eb 2021-11-13 146: },
9171c791eb 2021-11-13 147: Err(err) => match err {
9171c791eb 2021-11-13 148: rss::Error::InvalidStartTag => {
2c36f015d8 2024-11-23 149: match atom_syndication::Feed::read_from(&content[..]) {
2c36f015d8 2024-11-23 150: Ok(feed) => {
2c36f015d8 2024-11-23 151: for item in feed.entries() {
2c36f015d8 2024-11-23 152: let date = item.published().unwrap();
2c36f015d8 2024-11-23 153: let url = item.links()[0].href();
2c36f015d8 2024-11-23 154: posts.insert(*date, url.to_string());
2c36f015d8 2024-11-23 155: };
2c36f015d8 2024-11-23 156: },
2c36f015d8 2024-11-23 157: Err(err) => {
e624ef9d66 2025-04-20 158: bail!("Unsupported or mangled content:\n{:?}\n{err:#?}\n{status:#?}\n", &source.url)
2c36f015d8 2024-11-23 159: },
2c36f015d8 2024-11-23 160: }
9171c791eb 2021-11-13 161: },
9171c791eb 2021-11-13 162: rss::Error::Eof => (),
e624ef9d66 2025-04-20 163: _ => bail!("Unsupported or mangled content:\n{:?}\n{err:#?}\n{status:#?}\n", &source.url)
9171c791eb 2021-11-13 164: }
9171c791eb 2021-11-13 165: };
9171c791eb 2021-11-13 166: for (date, url) in posts.iter() {
9910c2209c 2023-08-04 167: let post_url: Cow<str> = match source.url_re {
3dc9cddd4d 2023-08-04 168: Some(ref x) => sedregex::ReplaceCommand::new(x)?.execute(url),
659724c658 2021-12-08 169: None => url.into(),
659724c658 2021-12-08 170: };
0340541002 2025-04-24 171: if let Some(exists) = conn.exists(&post_url, *id).await? {
9910c2209c 2023-08-04 172: if ! exists {
9910c2209c 2023-08-04 173: if this_fetch.is_none() || *date > this_fetch.unwrap() {
9910c2209c 2023-08-04 174: this_fetch = Some(*date);
9910c2209c 2023-08-04 175: };
e624ef9d66 2025-04-20 176: self.send( match &source.iv_hash {
e624ef9d66 2025-04-20 177: Some(hash) => format!("<a href=\"https://t.me/iv?url={post_url}&rhash={hash}\"> </a>{post_url}"),
e624ef9d66 2025-04-20 178: None => format!("{post_url}"),
e624ef9d66 2025-04-20 179: }, Some(destination), Some(ParseMode::Html)).await?;
0340541002 2025-04-24 180: conn.add_post(*id, date, &post_url).await?;
659724c658 2021-12-08 181: };
9171c791eb 2021-11-13 182: };
9171c791eb 2021-11-13 183: posted += 1;
9171c791eb 2021-11-13 184: };
9171c791eb 2021-11-13 185: posts.clear();
9171c791eb 2021-11-13 186: };
0340541002 2025-04-24 187: Ok(format!("Posted: {posted}"))
26339860ce 2022-02-13 188: }
26339860ce 2022-02-13 189:
bb89b6fab8 2025-06-15 190: async fn autofetch(&self) -> Result<std::time::Duration> {
26339860ce 2022-02-13 191: let mut delay = chrono::Duration::minutes(1);
9910c2209c 2023-08-04 192: let now = chrono::Local::now();
bb89b6fab8 2025-06-15 193: let queue = {
bb89b6fab8 2025-06-15 194: let mut conn = self.db.begin().await?;
bb89b6fab8 2025-06-15 195: conn.get_queue().await?
bb89b6fab8 2025-06-15 196: };
bb89b6fab8 2025-06-15 197: for row in queue {
9910c2209c 2023-08-04 198: if let Some(next_fetch) = row.next_fetch {
9910c2209c 2023-08-04 199: if next_fetch < now {
9910c2209c 2023-08-04 200: if let (Some(owner), Some(source_id)) = (row.owner, row.source_id) {
bb89b6fab8 2025-06-15 201: let clone = Core {
bb89b6fab8 2025-06-15 202: owner_chat: ChatPeerId::from(owner),
9910c2209c 2023-08-04 203: ..self.clone()
9910c2209c 2023-08-04 204: };
b4af85e31b 2025-06-29 205: let source = {
b4af85e31b 2025-06-29 206: let mut conn = self.db.begin().await?;
b4af85e31b 2025-06-29 207: match conn.get_one(owner, source_id).await {
b4af85e31b 2025-06-29 208: Ok(Some(source)) => source.to_string(),
b4af85e31b 2025-06-29 209: Ok(None) => "Source not found in database?".to_string(),
b4af85e31b 2025-06-29 210: Err(err) => format!("Failed to fetch source data:\n{err}"),
b4af85e31b 2025-06-29 211: }
b4af85e31b 2025-06-29 212: };
9910c2209c 2023-08-04 213: task::spawn(async move {
bb89b6fab8 2025-06-15 214: if let Err(err) = clone.check(source_id, true).await {
b4af85e31b 2025-06-29 215: if let Err(err) = clone.send(&format!("{source}\nš {err:?}"), None, None).await {
e624ef9d66 2025-04-20 216: eprintln!("Check error: {err:?}");
79c91a5357 2024-08-02 217: // clone.disable(&source_id, owner).await.unwrap();
9910c2209c 2023-08-04 218: };
9910c2209c 2023-08-04 219: };
9910c2209c 2023-08-04 220: });
9910c2209c 2023-08-04 221: }
9910c2209c 2023-08-04 222: } else if next_fetch - now < delay {
9910c2209c 2023-08-04 223: delay = next_fetch - now;
9910c2209c 2023-08-04 224: }
9910c2209c 2023-08-04 225: }
9910c2209c 2023-08-04 226: };
26339860ce 2022-02-13 227: Ok(delay.to_std()?)
26339860ce 2022-02-13 228: }
26339860ce 2022-02-13 229:
bb89b6fab8 2025-06-15 230: pub async fn list (&self, owner: UserPeerId) -> Result<String> {
b4af85e31b 2025-06-29 231: let mut reply: Vec<String> = vec![];
26339860ce 2022-02-13 232: reply.push("Channels:".into());
0340541002 2025-04-24 233: let mut conn = self.db.begin().await?;
0340541002 2025-04-24 234: for row in conn.get_list(owner).await? {
b4af85e31b 2025-06-29 235: reply.push(row.to_string());
e624ef9d66 2025-04-20 236: };
b4af85e31b 2025-06-29 237: Ok(reply.join("\n\n"))
bb89b6fab8 2025-06-15 238: }
bb89b6fab8 2025-06-15 239: }
bb89b6fab8 2025-06-15 240:
bb89b6fab8 2025-06-15 241: impl UpdateHandler for Core {
bb89b6fab8 2025-06-15 242: async fn handle (&self, update: Update) {
bb89b6fab8 2025-06-15 243: if let UpdateType::Message(msg) = update.update_type {
bb89b6fab8 2025-06-15 244: if let Ok(cmd) = Command::try_from(msg) {
bb89b6fab8 2025-06-15 245: let msg = cmd.get_message();
bb89b6fab8 2025-06-15 246: let words = cmd.get_args();
fae13a0e55 2025-06-28 247: let command = cmd.get_name();
fae13a0e55 2025-06-28 248: let res = match command {
fae13a0e55 2025-06-28 249: "/check" | "/clean" | "/enable" | "/delete" | "/disable" => command::command(self, command, msg, words).await,
bb89b6fab8 2025-06-15 250: "/start" => command::start(self, msg).await,
bb89b6fab8 2025-06-15 251: "/list" => command::list(self, msg).await,
fae13a0e55 2025-06-28 252: "/add" | "/update" => command::update(self, command, msg, words).await,
bb89b6fab8 2025-06-15 253: any => Err(anyhow!("Unknown command: {any}")),
bb89b6fab8 2025-06-15 254: };
bb89b6fab8 2025-06-15 255: if let Err(err) = res {
bb89b6fab8 2025-06-15 256: if let Err(err2) = self.send(format!("\\#error\n```\n{err:?}\n```"),
bb89b6fab8 2025-06-15 257: Some(msg.chat.get_id()),
bb89b6fab8 2025-06-15 258: Some(ParseMode::MarkdownV2)
bb89b6fab8 2025-06-15 259: ).await{
bb89b6fab8 2025-06-15 260: dbg!(err2);
bb89b6fab8 2025-06-15 261: };
bb89b6fab8 2025-06-15 262: }
bb89b6fab8 2025-06-15 263: };
bb89b6fab8 2025-06-15 264: };
e624ef9d66 2025-04-20 265: }
9171c791eb 2021-11-13 266: }