112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
};
let destination = match real {
true => telegram_bot::UserId::new(channel_id),
false => telegram_bot::UserId::new(row.try_get("owner")?),
};
let mut this_fetch: Option<DateTime<chrono::FixedOffset>> = None;
let mut posts: BTreeMap<DateTime<chrono::FixedOffset>, String> = BTreeMap::new();
let content = reqwest::get(url).await?.bytes().await?;
match rss::Channel::read_from(&content[..]) {
Ok(feed) => {
for item in feed.items() {
match item.link() {
Some(link) => {
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 = link;
posts.insert(date.clone(), url.into());
},
None => {}
}
};
},
Err(err) => match err {
rss::Error::InvalidStartTag => {
let feed = atom_syndication::Feed::read_from(&content[..])
.with_context(|| format!("Problem opening feed url:\n{}", &url))?;
for item in feed.entries() {
let date = item.published().unwrap();
let url = item.links()[0].href();
posts.insert(date.clone(), url.into());
};
},
rss::Error::Eof => (),
_ => bail!("Unsupported or mangled content:\n{:?}\n{:#?}\n", &url, err)
}
};
for (date, url) in posts.iter() {
let mut conn = self.pool.acquire().await
.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))?;
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(hash) => telegram_bot::SendMessage::new(destination, format!("<a href=\"https://t.me/iv?url={}&rhash={}\"> </a>{0}", match url_re {
Some(ref x) => x.execute(url).to_string(),
None => url.to_string(),
}, hash)),
None => telegram_bot::SendMessage::new(destination, format!("{}", url)),
}.parse_mode(telegram_bot::types::ParseMode::Html)).await
.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
|
|
>
>
|
|
|
<
|
|
>
|
>
|
|
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
};
let destination = match real {
true => telegram_bot::UserId::new(channel_id),
false => telegram_bot::UserId::new(row.try_get("owner")?),
};
let mut this_fetch: Option<DateTime<chrono::FixedOffset>> = None;
let mut posts: BTreeMap<DateTime<chrono::FixedOffset>, String> = BTreeMap::new();
let response = reqwest::get(url).await?;
let status = response.status();
let content = response.bytes().await?;
match rss::Channel::read_from(&content[..]) {
Ok(feed) => {
for item in feed.items() {
match item.link() {
Some(link) => {
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 = link;
posts.insert(date.clone(), url.into());
},
None => {}
}
};
},
Err(err) => match err {
rss::Error::InvalidStartTag => {
let feed = atom_syndication::Feed::read_from(&content[..])
.with_context(|| format!("Problem opening feed url:\n{}\n{}", &url, status))?;
for item in feed.entries() {
let date = item.published().unwrap();
let url = item.links()[0].href();
posts.insert(date.clone(), url.into());
};
},
rss::Error::Eof => (),
_ => bail!("Unsupported or mangled content:\n{:?}\n{:#?}\n{:#?}\n", &url, err, status)
}
};
for (date, url) in posts.iter() {
let mut conn = self.pool.acquire().await
.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))?;
let exists: bool = row.try_get("exists")?;
if ! exists {
if this_fetch == None || *date > this_fetch.unwrap() {
this_fetch = Some(*date);
};
let post_url = match url_re {
Some(ref x) => x.execute(url).to_string(),
None => url.to_string(),
};
self.tg.send( match iv_hash {
Some(hash) => telegram_bot::SendMessage::new(destination, format!("<a href=\"https://t.me/iv?url={}&rhash={}\"> </a>{0}", post_url, hash)),
None => telegram_bot::SendMessage::new(destination, format!("{}", post_url)),
}.parse_mode(telegram_bot::types::ParseMode::Html)).await
.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
|