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.connect_timeout(std::time::Duration::new(300, 0))
.idle_timeout(std::time::Duration::new(60, 0))
.connect_lazy(&settings.get_str("pg")?)?,
};
let clone = core.clone();
tokio::spawn(async move {
if let Err(err) = &clone.autofetch().await {
if let Err(err) = clone.debug(&format!("{:?}", err)) {
if let Err(err) = clone.debug(&format!("🛑 {:?}", err)) {
eprintln!("Autofetch error: {}", err);
};
}
});
Ok(core)
}
fn stream(&self) -> telegram_bot::UpdatesStream {
self.tg.stream()
}
fn debug(&self, msg: &str) -> Result<()> {
self.tg.spawn(SendMessage::new(self.owner_chat, msg));
Ok(())
}
async fn check<S>(&self, id: &i32, owner: S, real: bool) -> Result<()>
where S: Into<i64> {
let owner: i64 = owner.into();
let mut conn = self.pool.acquire().await
.with_context(|| format!("🛑 Query queue fetch conn:\n{:?}", &self.pool))?;
.with_context(|| format!("Query queue fetch conn:\n{:?}", &self.pool))?;
let row = sqlx::query("select source_id, channel_id, url, iv_hash, owner from rsstg_source where source_id = $1 and owner = $2")
.bind(id)
.bind(owner)
.fetch_one(&mut conn).await
.with_context(|| format!("🛑 Query source:\n{:?}", &self.pool))?;
.with_context(|| format!("Query source:\n{:?}", &self.pool))?;
drop(conn);
let channel_id: i64 = row.try_get("channel_id")?;
let destination = match real {
true => UserId::new(channel_id),
false => UserId::new(row.try_get("owner")?),
};
let url: &str = row.try_get("url")?;
let mut this_fetch: Option<DateTime<chrono::FixedOffset>> = None;
let iv_hash: Option<&str> = row.try_get("iv_hash")?;
let mut posts: BTreeMap<DateTime<chrono::FixedOffset>, String> = BTreeMap::new();
let feed = rss::Channel::from_url(url)
.with_context(|| format!("🛑 Problem opening feed url:\n{}", &url))?;
.with_context(|| format!("Problem opening feed url:\n{}", &url))?;
for item in feed.items() {
let date = match item.pub_date() {
Some(feed_date) => DateTime::parse_from_rfc2822(feed_date),
None => DateTime::parse_from_rfc3339(&item.dublin_core_ext().unwrap().dates()[0]),
}?;
let url = item.link().unwrap().to_string();
posts.insert(date.clone(), url.clone());
};
for (date, url) in posts.iter() {
let mut conn = self.pool.acquire().await
.with_context(|| format!("🛑 Check post fetch conn:\n{:?}", &self.pool))?;
.with_context(|| format!("Check post fetch conn:\n{:?}", &self.pool))?;
let row = sqlx::query("select exists(select true from rsstg_post where url = $1 and source_id = $2) as exists;")
.bind(&url)
.bind(id)
.fetch_one(&mut conn).await
.with_context(|| format!("🛑 Check post:\n{:?}", &conn))?;
.with_context(|| format!("Check post:\n{:?}", &conn))?;
let exists: bool = row.try_get("exists")?;
if ! exists {
if this_fetch == None || *date > this_fetch.unwrap() {
this_fetch = Some(*date);
};
self.tg.send( match iv_hash {
Some(x) => SendMessage::new(destination, format!("<a href=\"https://t.me/iv?url={}&rhash={}\"> </a>{0}", url, x)),
None => SendMessage::new(destination, format!("{}", url)),
}.parse_mode(types::ParseMode::Html)).await
.context("🛑 Can't post message:")?;
.context("Can't post message:")?;
sqlx::query("insert into rsstg_post (source_id, posted, url) values ($1, $2, $3);")
.bind(id)
.bind(date)
.bind(url)
.execute(&mut conn).await
.with_context(|| format!("🛑Record post:\n{:?}", &conn))?;
.with_context(|| format!("Record post:\n{:?}", &conn))?;
drop(conn);
tokio::time::delay_for(std::time::Duration::new(4, 0)).await;
};
};
posts.clear();
let mut conn = self.pool.acquire().await
.with_context(|| format!("🛑 Update scrape fetch conn:\n{:?}", &self.pool))?;
.with_context(|| format!("Update scrape fetch conn:\n{:?}", &self.pool))?;
sqlx::query("update rsstg_source set last_scrape = now() where source_id = $1;")
.bind(id)
.execute(&mut conn).await
.with_context(|| format!("🛑 Update scrape:\n{:?}", &conn))?;
.with_context(|| format!("Update scrape:\n{:?}", &conn))?;
Ok(())
}
async fn delete<S>(&self, source_id: &i32, owner: S) -> Result<String>
where S: Into<i64> {
let owner: i64 = owner.into();
let mut conn = self.pool.acquire().await
.with_context(|| format!("Delete fetch conn:\n{:?}", &self.pool))?;
match sqlx::query("delete from rsstg_source where source_id = $1 and owner = $2;")
.bind(source_id)
.bind(owner)
.execute(&mut conn).await
.with_context(|| format!("Delete source rule:\n{:?}", &self.pool))?
.rows_affected() {
0 => { Ok("No data found found\\.".to_string()) },
x => { Ok(format!("{} sources removed\\.", x)) },
}
}
async fn clean<S>(&self, source_id: &i32, id: S) -> Result<String>
async fn clean<S>(&self, source_id: &i32, owner: S) -> Result<String>
where S: Into<i64> {
let id: i64 = id.into();
let owner: i64 = owner.into();
let mut conn = self.pool.acquire().await
.with_context(|| format!("🛑 Clean fetch conn:\n{:?}", &self.pool))?;
.with_context(|| format!("Clean fetch conn:\n{:?}", &self.pool))?;
match sqlx::query("delete from rsstg_post p using rsstg_source s where p.source_id = $1 and owner = $2 and p.source_id = s.source_id;")
.bind(source_id)
.bind(id)
.bind(owner)
.execute(&mut conn).await
.with_context(|| format!("🛑 Clean seen posts:\n{:?}", &self.pool))?
.with_context(|| format!("Clean seen posts:\n{:?}", &self.pool))?
.rows_affected() {
0 => { Ok("No data found found\\.".to_string()) },
x => { Ok(format!("{} posts purged\\.", x)) },
}
}
async fn enable<S>(&self, source_id: &i32, id: S) -> Result<&str>
async fn enable<S>(&self, source_id: &i32, owner: S) -> Result<&str>
where S: Into<i64> {
let id: i64 = id.into();
let owner: i64 = owner.into();
let mut conn = self.pool.acquire().await
.with_context(|| format!("🛑 Enable fetch conn:\n{:?}", &self.pool))?;
.with_context(|| format!("Enable fetch conn:\n{:?}", &self.pool))?;
match sqlx::query("update rsstg_source set enabled = true where source_id = $1 and owner = $2")
.bind(source_id)
.bind(id)
.bind(owner)
.execute(&mut conn).await
.with_context(|| format!("🛑 Enable source:\n{:?}", &self.pool))?
.with_context(|| format!("Enable source:\n{:?}", &self.pool))?
.rows_affected() {
1 => { Ok("Source disabled\\.") },
0 => { Ok("Source not found\\.") },
_ => { Err(anyhow!("Database error.")) },
}
}
async fn disable<S>(&self, source_id: &i32, owner: S) -> Result<&str>
where S: Into<i64> {
let owner: i64 = owner.into();
let mut conn = self.pool.acquire().await
.with_context(|| format!("Disable fetch conn:\n{:?}", &self.pool))?;
match sqlx::query("update rsstg_source set enabled = false where source_id = $1 and owner = $2")
.bind(source_id)
.bind(owner)
.execute(&mut conn).await
.with_context(|| format!("Disable source:\n{:?}", &self.pool))?
.rows_affected() {
1 => { Ok("Source disabled\\.") },
0 => { Ok("Source not found\\.") },
_ => { Err(anyhow!("Database error.")) },
}
}
async fn disable<S>(&self, source_id: &i32, id: S) -> Result<&str>
async fn update<S>(&self, update: Option<i32>, channel: &str, channel_id: i64, url: &str, iv_hash: Option<&str>, owner: S) -> Result<String>
where S: Into<i64> {
let id: i64 = id.into();
let owner: i64 = owner.into();
let mut conn = self.pool.acquire().await
.with_context(|| format!("🛑 Disable fetch conn:\n{:?}", &self.pool))?;
match sqlx::query("update rsstg_source set enabled = false where source_id = $1 and owner = $2")
.bind(source_id)
.bind(id)
.execute(&mut conn).await
.with_context(|| format!("Update fetch conn:\n{:?}", &self.pool))?;
match match update {
Some(id) => {
sqlx::query("update rsstg_source set channel_id = $2, url = $3, iv_hash = $4, owner = $5, channel = $6 where source_id = $1").bind(id)
},
None => {
sqlx::query("insert into rsstg_source (channel_id, url, iv_hash, owner, channel) values ($1, $2, $3, $4, $5)")
},
}
.bind(channel_id)
.bind(url)
.bind(iv_hash)
.bind(owner)
.bind(channel)
.execute(&mut conn).await {
.with_context(|| format!("🛑 Disable source:\n{:?}", &self.pool))?
.rows_affected() {
1 => { Ok("Source disabled\\.") },
0 => { Ok("Source not found\\.") },
_ => { Err(anyhow!("Database error.")) },
}
.with_context(|| format!("🛑 Autofetch fetch conn:\n{:?}", &self.pool))?;
.with_context(|| format!("Autofetch fetch conn:\n{:?}", &self.pool))?;
now = chrono::Local::now();
let mut queue = sqlx::query("select source_id, next_fetch, owner from rsstg_order natural left join rsstg_source natural left join rsstg_channel where next_fetch < now();")
let mut queue = sqlx::query("select source_id, next_fetch, owner from rsstg_order natural left join rsstg_source where next_fetch < now();")
.fetch_all(&mut conn).await?;
for row in queue.iter() {
let source_id: i32 = row.try_get("source_id")?;
let owner: i64 = row.try_get("owner")?;
let next_fetch: DateTime<chrono::Local> = row.try_get("next_fetch")?;
if next_fetch < now {
sqlx::query("update rsstg_source set last_scrape = now() + interval '1 hour' where source_id = $1;")
.bind(source_id)
.execute(&mut conn).await
.with_context(|| format!("🛑 Lock source:\n\n{:?}", &self.pool))?;
.with_context(|| format!(" Lock source:\n\n{:?}", &self.pool))?;
let clone = self.clone();
tokio::spawn(async move {
if let Err(err) = clone.check(&source_id, owner, true).await {
if let Err(err) = clone.debug(&format!("{:?}", err)) {
if let Err(err) = clone.debug(&format!("🛑 {:?}", err)) {
eprintln!("Check error: {}", err);
};
};
});
} else {
if next_fetch - now < delay {
delay = next_fetch - now;
}
}
};
queue.clear();
tokio::time::delay_for(delay.to_std()?).await;
delay = chrono::Duration::minutes(5);
}
}
async fn list(&self, id: telegram_bot::UserId) -> Result<Vec<String>> {
let id = i64::from(id);
async fn list<S>(&self, owner: S) -> Result<Vec<String>>
where S: Into<i64> {
let owner = owner.into();
let mut reply = vec![];
let mut conn = self.pool.acquire().await
.with_context(|| format!("🛑 List fetch conn:\n{:?}", &self.pool))?;
.with_context(|| format!("List fetch conn:\n{:?}", &self.pool))?;
reply.push("Channels:".to_string());
let rows = sqlx::query("select source_id, username, enabled, url, iv_hash from rsstg_source left join rsstg_channel using (channel_id) where owner = $1 order by source_id")
.bind(id)
let rows = sqlx::query("select source_id, channel, enabled, url, iv_hash from rsstg_source where owner = $1 order by source_id")
.bind(owner)
.fetch_all(&mut conn).await?;
for row in rows.iter() {
let source_id: i32 = row.try_get("source_id")?;
let username: &str = row.try_get("username")?;
let username: &str = row.try_get("channel")?;
let enabled: bool = row.try_get("enabled")?;
let url: &str = row.try_get("url")?;
let iv_hash: Option<&str> = row.try_get("iv_hash")?;
reply.push(format!("\n\\#️⃣ {} \\*️⃣ `{}` {}\n🔗 `{}`", source_id, username,
match enabled {
true => "🔄 enabled",
false => "⛔ disabled",
|
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"/list" => {
reply.append(&mut core.list(message.from.id).await?);
},
// add
"/add" | "/update" => {
let mut source_id: i32 = 0;
let mut source_id: Option<i32> = None;
let at_least = "Requires at least 3 parameters.";
if cmd == "/update" {
source_id = words.next().unwrap().parse::<i32>()?;
let first_word = words.next()
.context(at_least)?;
source_id = Some(first_word.parse::<i32>()
.with_context(|| format!("I need a number, but got {}.", first_word))?);
}
let (channel, url, iv_hash) = (words.next().unwrap(), words.next().unwrap(), words.next());
let ok_link = RE_LINK.is_match(&url);
let (channel, url, iv_hash) = (
words.next().context(at_least)?,
words.next().context(at_least)?,
words.next());
if ! RE_USERNAME.is_match(&channel) {
reply.push("Usernames should be something like \"@\\[a\\-zA\\-Z]\\[a\\-zA\\-Z0\\-9\\_]+\", aren't they?".to_string());
bail!("Wrong username {:?}.", &channel);
}
if ! RE_LINK.is_match(&url) {
let ok_hash = match iv_hash {
Some(hash) => RE_IV_HASH.is_match(&hash),
None => true,
};
if ! ok_link {
core.debug(&format!("Url: {:?}", &url))?;
bail!("Url: {:?}", &url);
}
if ! ok_hash {
reply.push("IV hash should be 14 hex digits.".to_string());
core.debug(&format!("IV: {:?}", &iv_hash))?;
}
if ok_link && ok_hash {
let chan: Option<i64> = match sqlx::query("select channel_id from rsstg_channel where username = $1")
.bind(channel)
.fetch_one(&core.pool).await {
Ok(chan) => Some(chan.try_get("channel_id")?),
Err(sqlx::Error::RowNotFound) => {
let chan_id = i64::from(core.tg.send(telegram_bot::GetChat::new(telegram_bot::types::ChatRef::ChannelUsername(channel.to_string()))).await?.id());
sqlx::query("insert into rsstg_channel (channel_id, username) values ($1, $2);")
.bind(chan_id)
.bind(channel)
.execute(&core.pool).await?;
Some(chan_id)
},
Err(err) => {
reply.push("Sorry, unknown error\\.".to_string());
core.debug(&format!("Sorry, unknown error:\n{:#?}\n", err))?;
None
},
};
if let Some(chan) = chan {
match if cmd == "/update" {
sqlx::query("update rsstg_source set channel_id = $2, url = $3, iv_hash = $4, owner = $4 where source_id = $1").bind(source_id)
} else {
sqlx::query("insert into rsstg_source (channel_id, url, iv_hash, owner) values ($1, $2, $3, $4)")
}
.bind(chan)
.bind(url)
.bind(iv_hash)
.bind(i64::from(message.from.id))
.execute(&core.pool).await {
Ok(_) => reply.push("Channel added\\.".to_string()),
Err(sqlx::Error::Database(err)) => {
match err.downcast::<sqlx::postgres::PgDatabaseError>().routine() {
Some("_bt_check_unique", ) => {
reply.push("Duplicate key\\.".to_string());
},
Some(_) => {
reply.push("Database error\\.".to_string());
},
None => {
reply.push("No database error extracted\\.".to_string());
},
};
},
Err(err) => {
reply.push("Sorry, unknown error\\.".to_string());
core.debug(&format!("Sorry, unknown error:\n{:#?}\n", err))?;
},
};
};
};
},
// addchan
"/addchan" => {
let channel = words.next().unwrap();
if ! RE_USERNAME.is_match(&channel) {
reply.push("Usernames should be something like \"@\\[a\\-zA\\-Z]\\[a\\-zA\\-Z0\\-9\\_]+\", aren't they?".to_string());
} else {
let chan: Option<i64> = match sqlx::query("select channel_id from rsstg_channel where username = $1")
.bind(channel)
.fetch_one(&core.pool).await {
Ok(chan) => Some(chan.try_get("channel_id")?),
Err(sqlx::Error::RowNotFound) => None,
Err(err) => {
reply.push("Sorry, unknown error\\.".to_string());
core.debug(&format!("Sorry, unknown error:\n{:#?}", err))?;
None
},
};
match chan {
Some(chan) => {
let new_chan = core.tg.send(telegram_bot::GetChat::new(telegram_bot::types::ChatId::new(chan))).await?;
if i64::from(new_chan.id()) == chan {
reply.push("I already know that channel\\.".to_string());
} else {
reply.push("Hmm, channel has changed… I'll fix it later\\.".to_string());
};
},
None => {
match core.tg.send(telegram_bot::GetChatAdministrators::new(telegram_bot::types::ChatRef::ChannelUsername(channel.to_string()))).await {
Ok(chan_adm) => {
let (mut me, mut user) = (false, false);
for admin in &chan_adm {
if admin.user.id == core.my.id {
me = true;
};
if admin.user.id == message.from.id {
user = true;
};
};
if ! me { reply.push("I need to be admin on that channel\\.".to_string()); };
if ! user { reply.push("You should be admin on that channel\\.".to_string()); };
if me && user {
let chan_id = core.tg.send(telegram_bot::GetChat::new(telegram_bot::types::ChatRef::ChannelUsername(channel.to_string()))).await?;
sqlx::query("insert into rsstg_channel (channel_id, username) values ($1, $2);")
.bind(i64::from(chan_id.id()))
.bind(channel)
.execute(&core.pool).await?;
reply.push("Good, I know that channel now\\.\n".to_string());
};
},
Err(_) => {
reply.push("Sorry, I have no access to that chat\\.".to_string());
},
};
},
};
};
.context("🛑 Channel check failed.")?;
.context("Channel check failed.")?;
},
};
},
// clean
"/clean" => {
|