Annotation For src/main.rs
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Origin for each line in src/main.rs from check-in 61df933942:

61df933942 2020-11-18    1: use config;
61df933942 2020-11-18    2: 
61df933942 2020-11-18    3: use tokio;
61df933942 2020-11-18    4: use rss;
61df933942 2020-11-18    5: use chrono::DateTime;
61df933942 2020-11-18    6: 
61df933942 2020-11-18    7: use regex::Regex;
61df933942 2020-11-18    8: 
61df933942 2020-11-18    9: //use tbot;
61df933942 2020-11-18   10: //use tbot::prelude::*;
61df933942 2020-11-18   11: 
61df933942 2020-11-18   12: use futures::StreamExt;
61df933942 2020-11-18   13: use futures::TryStreamExt;
61df933942 2020-11-18   14: use telegram_bot::*;
61df933942 2020-11-18   15: 
61df933942 2020-11-18   16: use sqlx::postgres::PgPoolOptions;
61df933942 2020-11-18   17: use sqlx::Row;
61df933942 2020-11-18   18: 
61df933942 2020-11-18   19: type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
61df933942 2020-11-18   20: 
61df933942 2020-11-18   21: struct Core {
61df933942 2020-11-18   22: 	owner: i64,
61df933942 2020-11-18   23: 	owner_chat: UserId,
61df933942 2020-11-18   24: 	tg: telegram_bot::Api,
61df933942 2020-11-18   25: 	my: User,
61df933942 2020-11-18   26: 	pool: sqlx::Pool<sqlx::Postgres>,
61df933942 2020-11-18   27: }
61df933942 2020-11-18   28: 
61df933942 2020-11-18   29: impl Core {
61df933942 2020-11-18   30: 	async fn new(settings: config::Config) -> Result<Core> {
61df933942 2020-11-18   31: 		let owner = settings.get_int("owner")?;
61df933942 2020-11-18   32: 		let tg = Api::new(settings.get_str("api_key")?);
61df933942 2020-11-18   33: 		let core = Core {
61df933942 2020-11-18   34: 			owner: owner,
61df933942 2020-11-18   35: 			my: tg.send(telegram_bot::GetMe).await?,
61df933942 2020-11-18   36: 			tg: tg,
61df933942 2020-11-18   37: 			owner_chat: UserId::new(owner),
61df933942 2020-11-18   38: 			pool: PgPoolOptions::new().max_connections(5).connect(&settings.get_str("pg")?).await?,
61df933942 2020-11-18   39: 		};
61df933942 2020-11-18   40: 		tokio::spawn(async move {
61df933942 2020-11-18   41: 			if let Err(err) = &core.autofetch().await {
61df933942 2020-11-18   42: 				eprintln!("connection error: {}", err);
61df933942 2020-11-18   43: 			}
61df933942 2020-11-18   44: 		});
61df933942 2020-11-18   45: 
61df933942 2020-11-18   46: 		let tg = Api::new(settings.get_str("api_key")?);
61df933942 2020-11-18   47: 		Ok(Core {
61df933942 2020-11-18   48: 			owner: owner,
61df933942 2020-11-18   49: 			my: tg.send(telegram_bot::GetMe).await?,
61df933942 2020-11-18   50: 			tg: tg,
61df933942 2020-11-18   51: 			owner_chat: UserId::new(owner),
61df933942 2020-11-18   52: 			pool: PgPoolOptions::new().max_connections(5).connect(&settings.get_str("pg")?).await?,
61df933942 2020-11-18   53: 		})
61df933942 2020-11-18   54: 	}
61df933942 2020-11-18   55: 
61df933942 2020-11-18   56: 	fn stream(&self) -> telegram_bot::UpdatesStream {
61df933942 2020-11-18   57: 		self.tg.stream()
61df933942 2020-11-18   58: 	}
61df933942 2020-11-18   59: 
61df933942 2020-11-18   60: 	fn debug(&self, msg: &str) -> Result<()> {
61df933942 2020-11-18   61: 		self.tg.spawn(SendMessage::new(self.owner_chat, msg));
61df933942 2020-11-18   62: 		Ok(())
61df933942 2020-11-18   63: 	}
61df933942 2020-11-18   64: 
61df933942 2020-11-18   65: 	async fn check(&self, id: i32, real: Option<bool>) -> Result<()> {
61df933942 2020-11-18   66: 		match sqlx::query("select channel_id, url, last_fetch, iv_hash from rsstg_source where source_id = $1")
61df933942 2020-11-18   67: 			.bind(id)
61df933942 2020-11-18   68: 			.fetch_one(&self.pool).await {
61df933942 2020-11-18   69: 			Ok(row) => {
61df933942 2020-11-18   70: 				let channel_id: i64 = row.try_get("channel_id")?;
61df933942 2020-11-18   71: 				let destination = match real {
61df933942 2020-11-18   72: 					Some(true) => UserId::new(channel_id),
61df933942 2020-11-18   73: 					Some(false) | None => self.owner_chat,
61df933942 2020-11-18   74: 				};
61df933942 2020-11-18   75: 				let url: &str = row.try_get("url")?;
61df933942 2020-11-18   76: 				let last_fetch: Option<DateTime<chrono::FixedOffset>> = row.try_get("last_fetch")?;
61df933942 2020-11-18   77: 				let mut this_fetch: Option<DateTime<chrono::FixedOffset>> = None;
61df933942 2020-11-18   78: 				let iv_hash: Option<&str> = row.try_get("iv_hash")?;
61df933942 2020-11-18   79: 				match rss::Channel::from_url(url) {
61df933942 2020-11-18   80: 					Ok(feed) => {
61df933942 2020-11-18   81: 						self.debug(&format!("# title:{:?} ttl:{:?} hours:{:?} days:{:?}", feed.title(), feed.ttl(), feed.skip_hours(), feed.skip_days()))?;
61df933942 2020-11-18   82: 						for item in feed.items() {
61df933942 2020-11-18   83: 							let date = DateTime::parse_from_rfc2822(item.pub_date().unwrap()).unwrap();
61df933942 2020-11-18   84: 							let url = item.link().unwrap().to_string();
61df933942 2020-11-18   85: 							if last_fetch == None || date > last_fetch.unwrap() {
61df933942 2020-11-18   86: 								if this_fetch == None || date > this_fetch.unwrap() {
61df933942 2020-11-18   87: 									this_fetch = Some(date);
61df933942 2020-11-18   88: 								}
61df933942 2020-11-18   89: 								match self.tg.send( match iv_hash {
61df933942 2020-11-18   90: 										Some(x) => SendMessage::new(destination, format!("<a href=\"https://t.me/iv?url={}&rhash={}\"> </a>{0}", url, x)),
61df933942 2020-11-18   91: 										None => SendMessage::new(destination, format!("{}", url)),
61df933942 2020-11-18   92: 									}.parse_mode(types::ParseMode::Html)).await {
61df933942 2020-11-18   93: 									Ok(_) => {
61df933942 2020-11-18   94: 										match sqlx::query("insert into rsstg_post (source_id, posted, url) values ($1, $2, $3);")
61df933942 2020-11-18   95: 											.bind(id)
61df933942 2020-11-18   96: 											.bind(date)
61df933942 2020-11-18   97: 											.bind(url)
61df933942 2020-11-18   98: 											.execute(&self.pool).await {
61df933942 2020-11-18   99: 												Ok(_) => {},
61df933942 2020-11-18  100: 												Err(err) => {
61df933942 2020-11-18  101: 													self.debug(&err.to_string())?;
61df933942 2020-11-18  102: 												},
61df933942 2020-11-18  103: 										};
61df933942 2020-11-18  104: 									},
61df933942 2020-11-18  105: 									Err(err) => {
61df933942 2020-11-18  106: 										self.debug(&err.to_string())?;
61df933942 2020-11-18  107: 									},
61df933942 2020-11-18  108: 								}
61df933942 2020-11-18  109: 							};
61df933942 2020-11-18  110: 							tokio::time::delay_for(std::time::Duration::new(4, 0)).await;
61df933942 2020-11-18  111: 						};
61df933942 2020-11-18  112: 						// update last_fetch
61df933942 2020-11-18  113: 						if this_fetch != None && (last_fetch == None || this_fetch.unwrap() > last_fetch.unwrap()) {
61df933942 2020-11-18  114: 							match sqlx::query("update rsstg_source set last_fetch = $1 where source_id = $2;")
61df933942 2020-11-18  115: 								.bind(this_fetch.unwrap())
61df933942 2020-11-18  116: 								.bind(id)
61df933942 2020-11-18  117: 								.execute(&self.pool).await {
61df933942 2020-11-18  118: 								Ok(_) => {},
61df933942 2020-11-18  119: 								Err(err) => {
61df933942 2020-11-18  120: 									self.debug(&err.to_string())?;
61df933942 2020-11-18  121: 								},
61df933942 2020-11-18  122: 							};
61df933942 2020-11-18  123: 						}
61df933942 2020-11-18  124: 					},
61df933942 2020-11-18  125: 					Err(err) => {
61df933942 2020-11-18  126: 						self.debug(&err.to_string())?;
61df933942 2020-11-18  127: 					},
61df933942 2020-11-18  128: 				};
61df933942 2020-11-18  129: 				match sqlx::query("update rsstg_source set last_scrape = now() where source_id = $1;")
61df933942 2020-11-18  130: 					.bind(id)
61df933942 2020-11-18  131: 					.execute(&self.pool).await {
61df933942 2020-11-18  132: 					Ok(_) => {},
61df933942 2020-11-18  133: 					Err(err) => {
61df933942 2020-11-18  134: 						self.debug(&err.to_string())?;
61df933942 2020-11-18  135: 					},
61df933942 2020-11-18  136: 				};
61df933942 2020-11-18  137: 			},
61df933942 2020-11-18  138: 			Err(err) => {
61df933942 2020-11-18  139: 				self.debug(&err.to_string())?;
61df933942 2020-11-18  140: 			},
61df933942 2020-11-18  141: 		};
61df933942 2020-11-18  142: 		Ok(())
61df933942 2020-11-18  143: 	}
61df933942 2020-11-18  144: 
61df933942 2020-11-18  145: 	async fn clean(&self, source_id: i32) -> Result<()> {
61df933942 2020-11-18  146: 		for query in vec!["delete from rsstg_post where source_id = $1;", "update rsstg_source set last_fetch = NULL where source_id = $1;"] {
61df933942 2020-11-18  147: 			match sqlx::query(query)
61df933942 2020-11-18  148: 				.bind(source_id)
61df933942 2020-11-18  149: 				.execute(&self.pool).await {
61df933942 2020-11-18  150: 				Ok(_) => {},
61df933942 2020-11-18  151: 				Err(err) => {
61df933942 2020-11-18  152: 					self.debug(&err.to_string())?;
61df933942 2020-11-18  153: 				},
61df933942 2020-11-18  154: 			}
61df933942 2020-11-18  155: 		}
61df933942 2020-11-18  156: 		Ok(())
61df933942 2020-11-18  157: 	}
61df933942 2020-11-18  158: 
61df933942 2020-11-18  159: 	async fn enable(&self, user: UserId, channel: &str) -> Result<()> {
61df933942 2020-11-18  160: 		match sqlx::query("update rsstg_source set enabled = true from rsstg_channel where rsstg_channel.channel_id = rsstg_source.channel_id and rsstg_channel.username = $1 and owner = $2")
61df933942 2020-11-18  161: 			.bind(channel)
61df933942 2020-11-18  162: 			.bind(i64::from(user))
61df933942 2020-11-18  163: 			.execute(&self.pool).await {
61df933942 2020-11-18  164: 			Ok(_) => {},
61df933942 2020-11-18  165: 			Err(err) => {
61df933942 2020-11-18  166: 				self.debug(&err.to_string())?;
61df933942 2020-11-18  167: 			},
61df933942 2020-11-18  168: 		}
61df933942 2020-11-18  169: 		Ok(())
61df933942 2020-11-18  170: 	}
61df933942 2020-11-18  171: 
61df933942 2020-11-18  172: 	async fn disable(&self, user: UserId, channel: &str) -> Result<()> {
61df933942 2020-11-18  173: 		match sqlx::query("update rsstg_source set enabled = false from rsstg_channel where rsstg_channel.channel_id = rsstg_source.channel_id and rsstg_channel.username = $1 and owner = $2")
61df933942 2020-11-18  174: 			.bind(channel)
61df933942 2020-11-18  175: 			.bind(i64::from(user))
61df933942 2020-11-18  176: 			.execute(&self.pool).await {
61df933942 2020-11-18  177: 			Ok(_) => {},
61df933942 2020-11-18  178: 			Err(err) => {
61df933942 2020-11-18  179: 				self.debug(&err.to_string())?;
61df933942 2020-11-18  180: 			},
61df933942 2020-11-18  181: 		}
61df933942 2020-11-18  182: 		Ok(())
61df933942 2020-11-18  183: 	}
61df933942 2020-11-18  184: 
61df933942 2020-11-18  185: 	async fn autofetch(&self) -> Result<()> {
61df933942 2020-11-18  186: 		let mut delay = chrono::Duration::minutes(5);
61df933942 2020-11-18  187: 		let mut source_id;
61df933942 2020-11-18  188: 		let mut next_fetch: DateTime<chrono::Local>;
61df933942 2020-11-18  189: 		let mut now;
61df933942 2020-11-18  190: 		loop {
61df933942 2020-11-18  191: 			let mut rows = sqlx::query("select source_id, next_fetch from rsstg_order limit 1;")
61df933942 2020-11-18  192: 				.fetch(&self.pool);
61df933942 2020-11-18  193: 			while let Some(row) = rows.try_next().await.unwrap() {
61df933942 2020-11-18  194: 				now = chrono::Local::now();
61df933942 2020-11-18  195: 				source_id = row.try_get("source_id")?;
61df933942 2020-11-18  196: 				next_fetch = row.try_get("next_fetch")?;
61df933942 2020-11-18  197: 				if next_fetch < now {
61df933942 2020-11-18  198: 					&self.check(source_id, Some(true)).await?;
61df933942 2020-11-18  199: 				} else {
61df933942 2020-11-18  200: 					delay = next_fetch - now;
61df933942 2020-11-18  201: 					if delay > chrono::Duration::minutes(5) {
61df933942 2020-11-18  202: 						delay = chrono::Duration::minutes(5);
61df933942 2020-11-18  203: 					}
61df933942 2020-11-18  204: 				}
61df933942 2020-11-18  205: 			};
61df933942 2020-11-18  206: 			tokio::time::delay_for(delay.to_std()?).await;
61df933942 2020-11-18  207: 		}
61df933942 2020-11-18  208: 		//Ok(())
61df933942 2020-11-18  209: 	}
61df933942 2020-11-18  210: 
61df933942 2020-11-18  211: }
61df933942 2020-11-18  212: 
61df933942 2020-11-18  213: #[tokio::main]
61df933942 2020-11-18  214: async fn main() -> Result<()> {
61df933942 2020-11-18  215: 	let mut settings = config::Config::default();
61df933942 2020-11-18  216: 	settings.merge(config::File::with_name("rsstg"))?;
61df933942 2020-11-18  217: 
61df933942 2020-11-18  218: 	let re_username = Regex::new(r"^@[a-z][a-z0-9_]+$")?;
61df933942 2020-11-18  219: 	let re_link = Regex::new(r"^https?://[a-z.0-9]+/[-_a-z.0-9/]+$")?;
61df933942 2020-11-18  220: 	let re_iv_hash = Regex::new(r"^[a-f0-9]{14}$")?;
61df933942 2020-11-18  221: 
61df933942 2020-11-18  222: 	/*
61df933942 2020-11-18  223: 	tokio::spawn(async move {
61df933942 2020-11-18  224: 		if let Err(e) = connection.await {
61df933942 2020-11-18  225: 			eprintln!("connection error: {}", e);
61df933942 2020-11-18  226: 		}
61df933942 2020-11-18  227: 	}); */
61df933942 2020-11-18  228: 
61df933942 2020-11-18  229: 	let core = Core::new(settings).await?;
61df933942 2020-11-18  230: 
61df933942 2020-11-18  231: 	/*
61df933942 2020-11-18  232: 	let mut bot = tbot::Bot::new(settings.get_str("api_key")?).event_loop();
61df933942 2020-11-18  233: 
61df933942 2020-11-18  234: 	bot.command("start", //"Start working.",
61df933942 2020-11-18  235: 		|context| async move {
61df933942 2020-11-18  236: 			context.send_message_in_reply("Not in service yet. Try later.").call().await.unwrap();
61df933942 2020-11-18  237: 		},
61df933942 2020-11-18  238: 	);
61df933942 2020-11-18  239: 
61df933942 2020-11-18  240: 	bot.command("list", //"List channels.",
61df933942 2020-11-18  241: 		|context| async move {
61df933942 2020-11-18  242: 			dbg!(&context.chat);
61df933942 2020-11-18  243: 								let mut res = "Channels:\n".to_owned();
61df933942 2020-11-18  244: 								let mut rows = sqlx::query("select username, channel_id, url, iv_hash from rsstg_source left join rsstg_channel using (channel_id) where owner = $1")
61df933942 2020-11-18  245: 									.bind(context.chat.id.0)
61df933942 2020-11-18  246: 									.fetch(&pool);
61df933942 2020-11-18  247: 								while let Some(row) = rows.try_next().await.unwrap() {
61df933942 2020-11-18  248: 									let username: &str = row.try_get("username").unwrap();
61df933942 2020-11-18  249: 									let channel_id: &str = row.try_get("channel_id").unwrap();
61df933942 2020-11-18  250: 									let url: &str = row.try_get("url").unwrap();
61df933942 2020-11-18  251: 									let iv_hash: &str = row.try_get("iv_hash").unwrap();
61df933942 2020-11-18  252: 									res.push_str(&format!("`{}`: `{}` iv:`{}`\n", username, url, iv_hash));
61df933942 2020-11-18  253: 									//match row.get(3) as str {
61df933942 2020-11-18  254: 									//Some(x) => x,
61df933942 2020-11-18  255: 									//_ => "None"
61df933942 2020-11-18  256: 									//}));
61df933942 2020-11-18  257: 								}
61df933942 2020-11-18  258: 								context.send_message_in_reply(&res).call().await.unwrap();
61df933942 2020-11-18  259: 		},
61df933942 2020-11-18  260: 	);
61df933942 2020-11-18  261: 	*/
61df933942 2020-11-18  262: 
61df933942 2020-11-18  263: 	let mut stream = core.stream();
61df933942 2020-11-18  264: 
61df933942 2020-11-18  265: 	while let Some(update) = stream.next().await {
61df933942 2020-11-18  266: 		let update = update?;
61df933942 2020-11-18  267: 		match update.kind {
61df933942 2020-11-18  268: 			UpdateKind::Message(message) => {
61df933942 2020-11-18  269: 				let mut reply: Vec<String> = vec![];
61df933942 2020-11-18  270: 				match message.kind {
61df933942 2020-11-18  271: 					MessageKind::Text { ref data, .. } => {
61df933942 2020-11-18  272: 						let mut words = data.split_whitespace();
61df933942 2020-11-18  273: 						let cmd = words.next().unwrap();
61df933942 2020-11-18  274: 						match cmd {
61df933942 2020-11-18  275: 
61df933942 2020-11-18  276: // start
61df933942 2020-11-18  277: 
61df933942 2020-11-18  278: 							"/start" => {
61df933942 2020-11-18  279: 								reply.push("Not in service yet. Try later.".to_string());
61df933942 2020-11-18  280: 							},
61df933942 2020-11-18  281: 
61df933942 2020-11-18  282: // list
61df933942 2020-11-18  283: 
61df933942 2020-11-18  284: 							"/list" => {
61df933942 2020-11-18  285: 								reply.push("Channels:".to_string());
61df933942 2020-11-18  286: 								let mut rows = sqlx::query("select username, enabled, url, iv_hash from rsstg_source left join rsstg_channel using (channel_id) where owner = $1")
61df933942 2020-11-18  287: 									.bind(i64::from(message.from.id))
61df933942 2020-11-18  288: 									.fetch(&core.pool);
61df933942 2020-11-18  289: 								while let Some(row) = rows.try_next().await? {
61df933942 2020-11-18  290: 									let username: &str = row.try_get("username")?;
61df933942 2020-11-18  291: 									let enabled: bool = row.try_get("enabled")?;
61df933942 2020-11-18  292: 									let url: &str = row.try_get("url")?;
61df933942 2020-11-18  293: 									let iv_hash: &str = row.try_get("iv_hash")?;
61df933942 2020-11-18  294: 									reply.push(format!("\n\\*️⃣ `{}` {}\n🔗 `{}`\nIV `{}`", username,  
61df933942 2020-11-18  295: 										match enabled {
61df933942 2020-11-18  296: 											true  => "🔄 enabled",
61df933942 2020-11-18  297: 											false => "⛔ disabled",
61df933942 2020-11-18  298: 										}, url, iv_hash));
61df933942 2020-11-18  299: 									//match row.get(3) as str {
61df933942 2020-11-18  300: 									//Some(x) => x,
61df933942 2020-11-18  301: 									//_ => "None"
61df933942 2020-11-18  302: 									//}));
61df933942 2020-11-18  303: 								}
61df933942 2020-11-18  304: 							},
61df933942 2020-11-18  305: 
61df933942 2020-11-18  306: // add
61df933942 2020-11-18  307: 
61df933942 2020-11-18  308: 							"/add" => {
61df933942 2020-11-18  309: 								let (channel, url, iv_hash) = (words.next().unwrap(), words.next().unwrap(), words.next());
61df933942 2020-11-18  310: 								let ok_link = re_link.is_match(&url);
61df933942 2020-11-18  311: 								let ok_hash = match iv_hash {
61df933942 2020-11-18  312: 									Some(hash) => re_iv_hash.is_match(&hash),
61df933942 2020-11-18  313: 									None => true,
61df933942 2020-11-18  314: 								};
61df933942 2020-11-18  315: 								if ! ok_link {
61df933942 2020-11-18  316: 									reply.push("Link should be link to atom/rss feed, something like \"https://domain/path\".".to_string());
61df933942 2020-11-18  317: 									core.debug(&format!("Url: {:?}", &url))?;
61df933942 2020-11-18  318: 								}
61df933942 2020-11-18  319: 								if ! ok_hash {
61df933942 2020-11-18  320: 									reply.push("IV hash should be 14 hex digits.".to_string());
61df933942 2020-11-18  321: 									core.debug(&format!("IV: {:?}", &iv_hash))?;
61df933942 2020-11-18  322: 								}
61df933942 2020-11-18  323: 								if ok_link && ok_hash {
61df933942 2020-11-18  324: 									let chan: Option<i64> = match sqlx::query("select channel_id from rsstg_channel where username = $1")
61df933942 2020-11-18  325: 										.bind(channel)
61df933942 2020-11-18  326: 										.fetch_one(&core.pool).await {
61df933942 2020-11-18  327: 											Ok(chan) => Some(chan.try_get("channel_id")?),
61df933942 2020-11-18  328: 											Err(sqlx::Error::RowNotFound) => {
61df933942 2020-11-18  329: 												reply.push("Sorry, I don't know about that channel. Please, add a channel with /addchan.".to_string());
61df933942 2020-11-18  330: 												None
61df933942 2020-11-18  331: 											},
61df933942 2020-11-18  332: 											Err(err) => {
61df933942 2020-11-18  333: 												reply.push("Sorry, unknown error\\.".to_string());
61df933942 2020-11-18  334: 												core.debug(&format!("Sorry, unknown error: {:#?}\n", err))?;
61df933942 2020-11-18  335: 												None
61df933942 2020-11-18  336: 											},
61df933942 2020-11-18  337: 									};
61df933942 2020-11-18  338: 									match chan {
61df933942 2020-11-18  339: 										Some(chan) => {
61df933942 2020-11-18  340: 											match sqlx::query("insert into rsstg_source (channel_id, url, iv_hash, owner) values ($1, $2, $3, $4) on conflict (channel_id, owner) do update set url = excluded.url, iv_hash = excluded.iv_hash;")
61df933942 2020-11-18  341: 												.bind(chan)
61df933942 2020-11-18  342: 												.bind(url)
61df933942 2020-11-18  343: 												.bind(iv_hash)
61df933942 2020-11-18  344: 												.bind(i64::from(message.from.id))
61df933942 2020-11-18  345: 												.execute(&core.pool).await {
61df933942 2020-11-18  346: 												Ok(_) => reply.push("Channel added\\.".to_string()),
61df933942 2020-11-18  347: 												Err(sqlx::Error::Database(err)) => {
61df933942 2020-11-18  348: 													match err.downcast::<sqlx::postgres::PgDatabaseError>().routine() {
61df933942 2020-11-18  349: 														Some("_bt_check_unique", ) => {
61df933942 2020-11-18  350: 															reply.push("Duplicate key\\.".to_string());
61df933942 2020-11-18  351: 														},
61df933942 2020-11-18  352: 														Some(_) => {
61df933942 2020-11-18  353: 															reply.push("Database error\\.".to_string());
61df933942 2020-11-18  354: 														},
61df933942 2020-11-18  355: 														None => {
61df933942 2020-11-18  356: 															reply.push("No database error extracted\\.".to_string());
61df933942 2020-11-18  357: 														},
61df933942 2020-11-18  358: 													};
61df933942 2020-11-18  359: 												},
61df933942 2020-11-18  360: 												Err(err) => {
61df933942 2020-11-18  361: 													reply.push("Sorry, unknown error\\.".to_string());
61df933942 2020-11-18  362: 													core.debug(&format!("Sorry, unknown error: {:#?}\n", err))?;
61df933942 2020-11-18  363: 												},
61df933942 2020-11-18  364: 											};
61df933942 2020-11-18  365: 										},
61df933942 2020-11-18  366: 										None => {},
61df933942 2020-11-18  367: 									};
61df933942 2020-11-18  368: 								};
61df933942 2020-11-18  369: 							},
61df933942 2020-11-18  370: 
61df933942 2020-11-18  371: // addchan
61df933942 2020-11-18  372: 
61df933942 2020-11-18  373: 							"/addchan" => {
61df933942 2020-11-18  374: 								let channel = words.next().unwrap();
61df933942 2020-11-18  375: 								if ! re_username.is_match(&channel) {
61df933942 2020-11-18  376: 									reply.push("Usernames should be something like \"@\\[a-z]\\[a-z0-9_]+\", aren't they?".to_string());
61df933942 2020-11-18  377: 								} else {
61df933942 2020-11-18  378: 									let chan: Option<i64> = match sqlx::query("select channel_id from rsstg_channel where username = $1")
61df933942 2020-11-18  379: 										.bind(channel)
61df933942 2020-11-18  380: 										.fetch_one(&core.pool).await {
61df933942 2020-11-18  381: 											Ok(chan) => Some(chan.try_get("channel_id")?),
61df933942 2020-11-18  382: 											Err(sqlx::Error::RowNotFound) => None,
61df933942 2020-11-18  383: 											Err(err) => {
61df933942 2020-11-18  384: 												reply.push("Sorry, unknown error\\.".to_string());
61df933942 2020-11-18  385: 												core.debug(&format!("Sorry, unknown error: {:#?}\n", err))?;
61df933942 2020-11-18  386: 												None
61df933942 2020-11-18  387: 											},
61df933942 2020-11-18  388: 									};
61df933942 2020-11-18  389: 									match chan {
61df933942 2020-11-18  390: 										Some(chan) => {
61df933942 2020-11-18  391: 											let new_chan = core.tg.send(telegram_bot::GetChat::new(telegram_bot::types::ChatId::new(chan))).await?;
61df933942 2020-11-18  392: 											if i64::from(new_chan.id()) == chan {
61df933942 2020-11-18  393: 												reply.push("I already know that channel\\.".to_string());
61df933942 2020-11-18  394: 											} else {
61df933942 2020-11-18  395: 												reply.push("Hmm, channel has changed… I'll fix it later\\.".to_string());
61df933942 2020-11-18  396: 											};
61df933942 2020-11-18  397: 										},
61df933942 2020-11-18  398: 										None => {
61df933942 2020-11-18  399: 											match core.tg.send(telegram_bot::GetChatAdministrators::new(telegram_bot::types::ChatRef::ChannelUsername(channel.to_string()))).await {
61df933942 2020-11-18  400: 												Ok(chan_adm) => {
61df933942 2020-11-18  401: 													let (mut me, mut user) = (false, false);
61df933942 2020-11-18  402: 													for admin in &chan_adm {
61df933942 2020-11-18  403: 														if admin.user.id == core.my.id {
61df933942 2020-11-18  404: 															me = true;
61df933942 2020-11-18  405: 														};
61df933942 2020-11-18  406: 														if admin.user.id == message.from.id {
61df933942 2020-11-18  407: 															user = true;
61df933942 2020-11-18  408: 														};
61df933942 2020-11-18  409: 													};
61df933942 2020-11-18  410: 													if ! me   { reply.push("I need to be admin on that channel\\.".to_string()); };
61df933942 2020-11-18  411: 													if ! user { reply.push("You should be admin on that channel\\.".to_string()); };
61df933942 2020-11-18  412: 													if me && user {
61df933942 2020-11-18  413: 														let chan_id = core.tg.send(telegram_bot::GetChat::new(telegram_bot::types::ChatRef::ChannelUsername(channel.to_string()))).await?;
61df933942 2020-11-18  414: 														sqlx::query("insert into rsstg_channel (channel_id, username) values ($1, $2);")
61df933942 2020-11-18  415: 															.bind(i64::from(chan_id.id()))
61df933942 2020-11-18  416: 															.bind(channel)
61df933942 2020-11-18  417: 															.execute(&core.pool).await?;
61df933942 2020-11-18  418: 														reply.push("Good, I know that channel now\\.\n".to_string());
61df933942 2020-11-18  419: 													};
61df933942 2020-11-18  420: 												},
61df933942 2020-11-18  421: 												Err(_) => {
61df933942 2020-11-18  422: 													reply.push("Sorry, I have no access to that chat\\.".to_string());
61df933942 2020-11-18  423: 												},
61df933942 2020-11-18  424: 											};
61df933942 2020-11-18  425: 										},
61df933942 2020-11-18  426: 									};
61df933942 2020-11-18  427: 								};
61df933942 2020-11-18  428: 							},
61df933942 2020-11-18  429: 
61df933942 2020-11-18  430: // check
61df933942 2020-11-18  431: 
61df933942 2020-11-18  432: 							"/check" => {
61df933942 2020-11-18  433: 								if core.owner != i64::from(message.from.id) {
61df933942 2020-11-18  434: 									reply.push("Reserved for testing\\.".to_string());
61df933942 2020-11-18  435: 								} else {
61df933942 2020-11-18  436: 									let source_id = words.next().unwrap().parse::<i32>().unwrap_or(0);
61df933942 2020-11-18  437: 									&core.check(source_id, None).await?;
61df933942 2020-11-18  438: 								}
61df933942 2020-11-18  439: 							},
61df933942 2020-11-18  440: 
61df933942 2020-11-18  441: // clear
61df933942 2020-11-18  442: 
61df933942 2020-11-18  443: 							"/clean" => {
61df933942 2020-11-18  444: 								if core.owner != i64::from(message.from.id) {
61df933942 2020-11-18  445: 									reply.push("Reserved for testing\\.".to_string());
61df933942 2020-11-18  446: 								} else {
61df933942 2020-11-18  447: 									let source_id = words.next().unwrap().parse::<i32>().unwrap_or(0);
61df933942 2020-11-18  448: 									&core.clean(source_id).await?;
61df933942 2020-11-18  449: 								}
61df933942 2020-11-18  450: 							},
61df933942 2020-11-18  451: 
61df933942 2020-11-18  452: // enable
61df933942 2020-11-18  453: 
61df933942 2020-11-18  454: 							"/enable" => {
61df933942 2020-11-18  455: 								let channel = words.next().unwrap();
61df933942 2020-11-18  456: 								if ! re_username.is_match(&channel) {
61df933942 2020-11-18  457: 									reply.push("Usernames should be something like \"@\\[a-z]\\[a-z0-9_]+\", aren't they?".to_string());
61df933942 2020-11-18  458: 								} else {
61df933942 2020-11-18  459: 									match core.enable(message.from.id, channel).await {
61df933942 2020-11-18  460: 										Ok(_) => {
61df933942 2020-11-18  461: 											reply.push("Channel enabled\\.".to_string());
61df933942 2020-11-18  462: 										}
61df933942 2020-11-18  463: 										Err(err) => {
61df933942 2020-11-18  464: 											core.debug(&err.to_string())?;
61df933942 2020-11-18  465: 										},
61df933942 2020-11-18  466: 									}
61df933942 2020-11-18  467: 								}
61df933942 2020-11-18  468: 							},
61df933942 2020-11-18  469: 
61df933942 2020-11-18  470: // disable
61df933942 2020-11-18  471: 
61df933942 2020-11-18  472: 							"/disable" => {
61df933942 2020-11-18  473: 								let channel = words.next().unwrap();
61df933942 2020-11-18  474: 								if ! re_username.is_match(&channel) {
61df933942 2020-11-18  475: 									reply.push("Usernames should be something like \"@\\[a-z]\\[a-z0-9_]+\", aren't they?".to_string());
61df933942 2020-11-18  476: 								} else {
61df933942 2020-11-18  477: 									match core.disable(message.from.id, channel).await {
61df933942 2020-11-18  478: 										Ok(_) => {
61df933942 2020-11-18  479: 											reply.push("Channel disabled\\.".to_string());
61df933942 2020-11-18  480: 										}
61df933942 2020-11-18  481: 										Err(err) => {
61df933942 2020-11-18  482: 											core.debug(&err.to_string())?;
61df933942 2020-11-18  483: 										},
61df933942 2020-11-18  484: 									}
61df933942 2020-11-18  485: 								}
61df933942 2020-11-18  486: 							},
61df933942 2020-11-18  487: 
61df933942 2020-11-18  488: 							_ => {
61df933942 2020-11-18  489: 							},
61df933942 2020-11-18  490: 						};
61df933942 2020-11-18  491: 					},
61df933942 2020-11-18  492: 					_ => {
61df933942 2020-11-18  493: 					},
61df933942 2020-11-18  494: 				};
61df933942 2020-11-18  495: 				if reply.len() > 0 {
61df933942 2020-11-18  496: 					match core.tg.send(message.text_reply(reply.join("\n")).parse_mode(types::ParseMode::MarkdownV2)).await {
61df933942 2020-11-18  497: 						Ok(_) => {},
61df933942 2020-11-18  498: 						Err(err) => {
61df933942 2020-11-18  499: 							dbg!(reply.join("\n"));
61df933942 2020-11-18  500: 							println!("{}", err);
61df933942 2020-11-18  501: 						},
61df933942 2020-11-18  502: 					}
61df933942 2020-11-18  503: 				}
61df933942 2020-11-18  504: 			},
61df933942 2020-11-18  505: 			_ => {},
61df933942 2020-11-18  506: 		};
61df933942 2020-11-18  507: 	}
61df933942 2020-11-18  508: 	/*
61df933942 2020-11-18  509: 	loop {
61df933942 2020-11-18  510: 		println!("cycle");
61df933942 2020-11-18  511: 		for _ in botdb.query("select owner from rsstg_updates where owner is NULL limit 1;", &[])? {
61df933942 2020-11-18  512: 			for row in botdb.query("update rsstg_updates set owner = $1 where update->>'update_id' = ( select update->>'update_id' from rsstg_updates where owner is NULL limit 1 for update skip locked ) returning update;", &[owner])? {
61df933942 2020-11-18  513: 				let u :types::Update = serde_json::from_value(row.get(0))?;
61df933942 2020-11-18  514: 				println!("update: {:?}", &u);
61df933942 2020-11-18  515: 				/*
61df933942 2020-11-18  516: 				if let Some(message) = &u.message {
61df933942 2020-11-18  517: 					//if u["message"] != None {
61df933942 2020-11-18  518: 					if let (Some(entities), Some(text)) = (&message.entities, &message.text) {
61df933942 2020-11-18  519: 					//if u["message"]["entities"] {
61df933942 2020-11-18  520: 						for entry in entities {
61df933942 2020-11-18  521: 							if &entry.type_ == "bot_command" {
61df933942 2020-11-18  522: 								println!("command: {:?}", &text.chars().skip(entry.offset as usize).take(entry.length as usize).collect::<String>());
61df933942 2020-11-18  523: 							}
61df933942 2020-11-18  524: 							println!("entity: {:?}", &entry);
61df933942 2020-11-18  525: 						}
61df933942 2020-11-18  526: 					}
61df933942 2020-11-18  527: 				}
61df933942 2020-11-18  528: 				*/
61df933942 2020-11-18  529: 			}
61df933942 2020-11-18  530: 		}
61df933942 2020-11-18  531: 		std::process::exit(0);
61df933942 2020-11-18  532: 	}
61df933942 2020-11-18  533: 	*/
61df933942 2020-11-18  534: 
61df933942 2020-11-18  535: 	//bot.polling().start().await.unwrap();
61df933942 2020-11-18  536: 
61df933942 2020-11-18  537: 	Ok(())
61df933942 2020-11-18  538: }