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|
let tg = Api::new(&api_key);
let core = Core {
owner: owner,
api_key: api_key.clone(),
my: tg.send(telegram_bot::GetMe).await?,
tg: tg,
owner_chat: UserId::new(owner),
pool: PgPoolOptions::new().max_connections(5).connect(&settings.get_str("pg")?).await?,
pool: PgPoolOptions::new()
.max_connections(5)
.connect_timeout(std::time::Duration::new(300, 0))
.idle_timeout(std::time::Duration::new(60, 0))
.connect_lazy(&settings.get_str("pg")?)?,
//.connect(&settings.get_str("pg")?).await?,
};
let clone = core.clone();
tokio::spawn(async move {
if let Err(err) = clone.autofetch().await {
eprintln!("connection 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(&self, id: &i32, real: Option<bool>) -> Result<()> {
match sqlx::query("select source_id, channel_id, url, iv_hash, owner from rsstg_source where source_id = $1")
.bind(id)
.fetch_one(&self.pool).await {
Ok(row) => {
let channel_id: i64 = row.try_get("channel_id")?;
let destination = match real {
Some(true) => UserId::new(channel_id),
Some(false) | None => 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();
match rss::Channel::from_url(url) {
Ok(feed) => {
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() {
match sqlx::query("select exists(select true from rsstg_post where url = $1 and source_id = $2) as exists;")
.bind(&url)
.bind(id)
.fetch_one(&self.pool).await {
Ok(row) => {
let exists: bool = row.try_get("exists")?;
if ! exists {
if this_fetch == None || *date > this_fetch.unwrap() {
this_fetch = Some(*date);
}
match 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 {
Ok(_) => {
match sqlx::query("insert into rsstg_post (source_id, posted, url) values ($1, $2, $3);")
.bind(id)
.bind(date)
.bind(url)
.execute(&self.pool).await {
Ok(_) => {},
Err(err) => {
self.debug(&err.to_string())?;
},
};
},
async fn check(&self, id: &i32, real: bool) -> Result<()> {
match self.pool.acquire().await {
Err(err) => {
self.debug(&format!("π Query queue fetch conn:\n{}\n{:?}", &err, &self.pool))?;
},
Ok(mut conn) => {
match sqlx::query("select source_id, channel_id, url, iv_hash, owner from rsstg_source where source_id = $1")
.bind(id)
.fetch_one(&mut conn).await {
Err(err) => {
self.debug(&format!("π Query queue:\n{}\n{:?}", &err, &conn))?;
},
Ok(row) => {
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();
match rss::Channel::from_url(url) {
Err(err) => {
self.debug(&format!("π Problem opening feed url:\n{}\n{}", &url, &err))?;
},
Ok(feed) => {
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() {
match self.pool.acquire().await {
Err(err) => {
self.debug(&format!("π Check post fetch conn:\n{}\n{:?}", &err, &self.pool))?;
},
Ok(mut conn) => {
match 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 {
Err(err) => {
self.debug(&format!("π Check post:\n{}\n{:?}", &err, &conn))?;
},
Ok(row) => {
let exists: bool = row.try_get("exists")?;
if ! exists {
if this_fetch == None || *date > this_fetch.unwrap() {
this_fetch = Some(*date);
}
match 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 {
Err(err) => {
self.debug(&format!("π Can't post message:\n{}", &err))?;
},
Ok(_) => {
match sqlx::query("insert into rsstg_post (source_id, posted, url) values ($1, $2, $3);")
.bind(id)
.bind(date)
.bind(url)
.execute(&mut conn).await {
Ok(_) => {},
Err(err) => {
self.debug(&format!("πRrecord post:\n{}\n{:?}", &err, &conn))?;
},
};
},
Err(err) => {
self.debug(&err.to_string())?;
},
};
tokio::time::delay_for(std::time::Duration::new(4, 0)).await;
}
},
};
drop(conn);
tokio::time::delay_for(std::time::Duration::new(4, 0)).await;
}
},
Err(err) => {
self.debug(&err.to_string())?;
},
};
};
}
};
};
posts.clear();
},
};
posts.clear();
match self.pool.acquire().await {
},
Err(err) => {
self.debug(&format!("Problem opening feed url:\n{}\n{}", &url, &err.to_string()))?;
},
Err(err) => {
self.debug(&format!("π Update scrape fetch conn:\n{}\n{:?}", &err, &self.pool))?;
},
};
match sqlx::query("update rsstg_source set last_scrape = now() where source_id = $1;")
.bind(id)
.execute(&self.pool).await {
Ok(mut conn) => {
match sqlx::query("update rsstg_source set last_scrape = now() where source_id = $1;")
.bind(id)
.execute(&mut conn).await {
Ok(_) => {},
Err(err) => {
self.debug(&err.to_string())?;
},
};
},
Err(err) => {
self.debug(&format!("π Update scrape:\n{}\n{:?}", &err, &conn))?;
},
Ok(_) => {},
};
},
Err(err) => {
self.debug(&err.to_string())?;
};
},
};
},
};
Ok(())
}
async fn clean(&self, source_id: i32) -> Result<()> {
match self.pool.acquire().await {
Err(err) => {
self.debug(&format!("π Clean fetch conn:\n{}\n{:?}", &err, &self.pool))?;
},
Ok(mut conn) => {
match sqlx::query("delete from rsstg_post where source_id = $1;")
.bind(source_id)
.execute(&self.pool).await {
match sqlx::query("delete from rsstg_post where source_id = $1;")
.bind(source_id)
.execute(&mut conn).await {
Ok(_) => {},
Err(err) => {
self.debug(&err.to_string())?;
Err(err) => {
self.debug(&format!("π Clean seen posts:\n{}\n{:?}", &err, &self.pool))?;
},
Ok(_) => {},
};
},
};
Ok(())
}
async fn enable(&self, source_id: &i32) -> Result<()> {
match self.pool.acquire().await {
Err(err) => {
self.debug(&format!("π Enable fetch conn:\n{}\n{:?}", &err, &self.pool))?;
},
Ok(mut conn) => {
match sqlx::query("update rsstg_source set enabled = true where source_id = $1")
.bind(source_id)
.execute(&self.pool).await {
match sqlx::query("update rsstg_source set enabled = true where source_id = $1")
.bind(source_id)
.execute(&mut conn).await {
Ok(_) => {},
Err(err) => {
self.debug(&err.to_string())?;
},
}
Err(err) => {
self.debug(&format!("π Enable source:\n{}\n{:?}", &err, &self.pool))?;
},
Ok(_) => {},
}
},
};
Ok(())
}
async fn disable(&self, source_id: &i32) -> Result<()> {
match self.pool.acquire().await {
Err(err) => {
self.debug(&format!("π Disable fetch conn:\n{}\n{:?}", &err, &self.pool))?;
},
Ok(mut conn) => {
match sqlx::query("update rsstg_source set enabled = false where source_id = $1")
.bind(source_id)
.execute(&self.pool).await {
match sqlx::query("update rsstg_source set enabled = false where source_id = $1")
.bind(source_id)
.execute(&mut conn).await {
Ok(_) => {},
Err(err) => {
self.debug(&err.to_string())?;
},
}
Err(err) => {
self.debug(&format!("π Disable source:\n{}\n{:?}", &err, &self.pool))?;
},
Ok(_) => {},
}
},
};
Ok(())
}
async fn autofetch(&self) -> Result<()> {
let mut delay = chrono::Duration::minutes(5);
let mut next_fetch: DateTime<chrono::Local>;
let mut now;
loop {
match self.pool.acquire().await {
Err(err) => {
self.debug(&format!("π Autofetch fetch conn:\n{}\n{:?}", &err, &self.pool))?;
},
Ok(mut conn) => {
now = chrono::Local::now();
let mut rows = sqlx::query("select source_id, next_fetch from rsstg_order natural left join rsstg_source natural left join rsstg_channel where next_fetch < now();")
.fetch(&self.pool);
while let Some(row) = rows.try_next().await.unwrap() {
let source_id: i32 = row.try_get("source_id")?;
next_fetch = row.try_get("next_fetch")?;
if next_fetch < now {
match sqlx::query("update rsstg_source set last_scrape = now() + interval '1 hour' where source_id = $1;")
.bind(source_id)
.execute(&self.pool).await {
Ok(_) => {},
Err(err) => {
self.debug(&err.to_string())?;
},
};
let clone = self.clone();
tokio::spawn(async move {
if let Err(err) = clone.check(&source_id.clone(), Some(true)).await {
eprintln!("connection error: {}", err);
}
});
} else {
if next_fetch - now < delay {
delay = next_fetch - now;
}
}
now = chrono::Local::now();
let mut queue = sqlx::query("select source_id, next_fetch from rsstg_order natural left join rsstg_source natural left join rsstg_channel where next_fetch < now();")
.fetch_all(&mut conn).await?;
for row in queue.iter() {
let source_id: i32 = row.try_get("source_id")?;
let next_fetch: DateTime<chrono::Local> = row.try_get("next_fetch")?;
if next_fetch < now {
match sqlx::query("update rsstg_source set last_scrape = now() + interval '1 hour' where source_id = $1;")
.bind(source_id)
.execute(&mut conn).await {
Ok(_) => {},
Err(err) => {
self.debug(&err.to_string())?;
},
};
let clone = self.clone();
tokio::spawn(async move {
if let Err(err) = clone.check(&source_id.clone(), true).await {
eprintln!("connection error: {}", err);
}
});
} else {
if next_fetch - now < delay {
delay = next_fetch - now;
}
}
};
queue.clear();
},
};
tokio::time::delay_for(delay.to_std()?).await;
delay = chrono::Duration::minutes(5);
}
//Ok(())
}
}
#[tokio::main]
async fn main() -> Result<()> {
let mut settings = config::Config::default();
settings.merge(config::File::with_name("rsstg"))?;
let re_username = Regex::new(r"^@[a-zA-Z][a-zA-Z0-9_]+$")?;
let re_link = Regex::new(r"^https?://[a-zA-Z.0-9-]+/[-_a-zA-Z.0-9/?=]+$")?;
let re_iv_hash = Regex::new(r"^[a-f0-9]{14}$")?;
let core = Core::new(settings).await?;
let mut stream = core.stream();
while let Some(update) = stream.next().await {
match update {
Err(err) => {
core.debug(&err.to_string())?;
},
Ok(update) => {
match update.kind {
UpdateKind::Message(message) => {
let mut reply: Vec<String> = vec![];
match message.kind {
MessageKind::Text { ref data, .. } => {
let mut words = data.split_whitespace();
let cmd = words.next().unwrap();
match cmd {
// start
"/start" => {
reply.push("We are open\\. Probably\\. Visit [channel](https://t.me/rsstg_bot_help/3) for details\\.".to_string());
},
// list
"/list" => {
match core.pool.acquire().await {
Err(err) => {
core.debug(&format!("π Disable fetch conn:\n{}\n{:?}", &err, &core.pool))?;
},
Ok(mut conn) => {
reply.push("Channels:".to_string());
let mut 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(i64::from(message.from.id))
.fetch(&core.pool);
while let Some(row) = rows.try_next().await? {
let source_id: i32 = row.try_get("source_id")?;
let username: &str = row.try_get("username")?;
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\\#οΈβ£ {} \\*οΈβ£ `{}` {}\nπ `{}`", source_id, username,
match enabled {
true => "π enabled",
false => "β disabled",
}, url));
if let Some(hash) = iv_hash {
reply.push(format!("IV `{}`", hash));
}
}
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(i64::from(message.from.id))
.fetch_all(&mut conn).await?;
for row in rows.iter() {
//while let Some(row) = rows.try_next().await? {
let source_id: i32 = row.try_get("source_id")?;
let username: &str = row.try_get("username")?;
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\\#οΈβ£ {} \\*οΈβ£ `{}` {}\nπ `{}`", source_id, username,
match enabled {
true => "π enabled",
false => "β disabled",
}, url));
if let Some(hash) = iv_hash {
reply.push(format!("IV `{}`", hash));
}
}
},
};
},
// add
"/add" | "/update" => {
let mut source_id: i32 = 0;
if cmd == "/update" {
|