79 lines
3.0 KiB
Rust
79 lines
3.0 KiB
Rust
use std::collections::HashMap;
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use chrono::{DateTime, SubsecRound};
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use rss::Channel;
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use strfmt::strfmt;
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use crate::Feed;
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use crate::config::{Config, User};
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pub fn bundle_rss(feeds: &HashMap<User, Feed>, config: &Config) -> Channel {
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let mut bundle = Channel::default();
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bundle.set_title(&config.title);
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bundle.set_link(&config.link);
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bundle.description = config.description.clone();
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bundle.set_generator(Some("RSS Bundler".into()));
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let mut most_recent_date = None;
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for (user, feed) in feeds {
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if let Some(channel) = &feed.channel {
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for item in channel.items() {
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if let Some(pub_date) = &item.pub_date {
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if let Ok(date) = DateTime::parse_from_rfc2822(pub_date) {
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match most_recent_date {
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None => most_recent_date = Some(date),
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Some(d) if date > d => most_recent_date = Some(date),
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_ => ()
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}
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}
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}
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let mut item = item.clone();
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let item_title = {
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let title = item.title.as_ref().unwrap_or(&config.default_title);
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let mut args = HashMap::new();
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args.insert("title".into(), title);
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args.insert("name".into(), &user.name);
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match strfmt(&config.title_format, &args) {
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Ok(res) => res,
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Err(e) => {
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eprintln!("Format string error: {}. Using default format string instead.", e);
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format!("[{}] {}", title, user.name)
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}
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}
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};
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item.set_title(item_title);
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if item.author.is_none() {
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item.set_author(user.name.clone());
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}
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bundle.items.push(item.clone());
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}
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}
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}
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if let Some(date) = most_recent_date {
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bundle.set_pub_date(date.to_rfc2822());
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}
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bundle
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}
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pub fn gen_status(feeds: &HashMap<User, Feed>) -> String {
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let max_user_length = feeds.iter()
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.map(|(user, _)| user.name.len())
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.max().unwrap_or(0).max(4);
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let max_timestamp_length = feeds.iter()
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.map(|(_, feed)| feed.last_fetched.round_subsecs(0).to_rfc3339().len())
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.max().unwrap_or(0).max(12);
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let mut lines = vec![
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format!("{:w_user$}\t{:w_time$}\t{:6}\t{}",
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"USER", "LAST SUCCESS", "STATUS", "ERROR",
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w_user=max_user_length, w_time=max_timestamp_length)
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];
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for (user, feed) in feeds {
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let (status, error) = match &feed.error_message {
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Some(e) => ("ERROR", e.as_str()),
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None => ("OK", ""),
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};
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lines.push(format!("{:w_user$}\t{:w_time$}\t{:6}\t{}",
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user.name, feed.last_fetched.round_subsecs(0).to_rfc3339(), status, error,
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w_user=max_user_length, w_time=max_timestamp_length));
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}
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lines.join("\n")
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} |