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use { super::*, crate::*, crossterm::tty::IsTty, have::Fun, itertools::*, minimad::{OwningTemplateExpander, TextTemplate}, num_format::{Locale, ToFormattedString, WriteFormatted}, std::{ cmp::Reverse, fmt::Display, hash::Hash, }, termimad::*, }; static MD_GROUPS_NO_TRENDS: &str = r#" ## ${groups-count} ${groups-name}. ${limited} |:-:|:-|:-:|:-:|:-: |**#**|**${group-key}**|**hits**|**%**|**bytes** |-:|:-|-:|-:|-: ${groups |${idx}|${group-value}|${hits}|${percent}|${bytes} } |-: "#; static MD_GROUPS_TRENDS_NO_ROW_IDX: &str = r#" ## ${title} |:-|:-:|:-:|:-:|:-:|:-: |**${group-key}**|**hits**|**%**|**bytes**|**days**|**trend** |:-:|-:|-:|-:|-:|:-:| ${groups |${group-value}|${hits}|${percent}|${bytes}|*${histo-line}*|${trend} } |-: "#; static MD_GROUPS_TRENDS: &str = r#" ## ${title} |:-:|:-|:-:|:-:|:-:|:-: |**#**|**${group-key}**|**hits**|**bytes**|**days**|**trend** |-:|:-|-:|-:|-:|:-:| ${groups |${idx}|${group-value}|${hits}|${bytes}|*${histo-line}*|${trend} } |-: "#; pub struct Printer { pub skin: MadSkin, pub fields: Fields, pub terminal_width: usize, pub detail_level: usize, pub key: Key, pub date_filter: Option<DateFilter>, pub changes: bool, pub all_paths: bool, } impl Printer { pub fn new(args: &args::Args, log_base: &LogBase) -> Self { let detail_level = args.length; let fields = args.fields.clone(); let terminal_width = terminal_size().0 as usize; let color = args.color.value().unwrap_or_else(|| std::io::stdout().is_tty()); let skin = skin::make_skin(color); let key = args.key; let date_filter = log_base.filterer.date_filter().copied(); let changes = args.changes; let all_paths = args.all; Self { skin, fields, terminal_width, detail_level, key, date_filter, changes, all_paths, } } pub fn print( &self, expander: OwningTemplateExpander, template: &str, ) { let template = TextTemplate::from(template); let text = expander.expand(&template); let fmt_text = FmtText::from_text(&self.skin, text, Some(self.terminal_width)); print!("{}", fmt_text); } pub fn md_hits(&self, hits: usize) -> String { match self.key { Key::Hits => { let mut s = "*".to_string(); s.write_formatted(&hits, &Locale::en).unwrap(); s.push('*'); s } Key::Bytes => hits.to_formatted_string(&Locale::en), } } pub fn md_bytes(&self, bytes: u64) -> String { let s = file_size::fit_4(bytes); match self.key { Key::Hits => s, Key::Bytes => format!("*{}*", s), } } pub fn print_groups<'b, T, F, G>( &self, section: &Section, log_lines: &'b [LogLine], filter: F, grouper: G, trend_computer: Option<&TrendComputer>, ) where T: Display + Hash + Eq + 'b, F: Fn(&&LogLine) -> bool, G: for<'a> Fn(&'a &'b LogLine) -> T, { if let Some(trend_computer) = trend_computer { self.print_groups_trends( section, log_lines, filter, grouper, trend_computer, ); } else { self.print_groups_no_trends( section, log_lines, filter, grouper, ); } } pub fn print_groups_no_trends<'b, T, F, G>( &self, section: &Section, log_lines: &'b [LogLine], filter: F, grouper: G, ) where T: Display + Hash + Eq + 'b, F: Fn(&&LogLine) -> bool, G: for<'a> Fn(&'a &'b LogLine) -> T, { struct Group<'b> { lines: Vec<&'b LogLine>, bytes: u64, key_sum: u64, } let mut expander = OwningTemplateExpander::new(); expander .set_default("") .set("groups-name", section.groups_name) .set("group-key", section.group_key); log_lines .iter() .filter(filter) .into_group_map_by(grouper) .fun(|g| { expander.set("groups-count", g.len().to_formatted_string(&Locale::en)); if let View::Limited(limit) = section.view { if g.len() > limit { expander.set("limited", format!("{} most frequent:", limit)); } } }) .into_iter() .map(|(value, lines)| { let bytes: u64 = lines .iter() .map(|ll| ll.bytes_sent) .sum(); let key_sum = match self.key { Key::Hits => lines.len() as u64, Key::Bytes => bytes, }; (value, Group { lines, bytes, key_sum }) }) .sorted_unstable_by_key(|(_, g)| Reverse(g.key_sum)) .take(section.view.limit()) .enumerate() .for_each(|(idx, (value, g))| { let sub = expander.sub("groups"); sub .set("idx", idx+1) .set("group-value", value) .set_md("hits", self.md_hits(g.lines.len())) .set("percent", to_percent(g.lines.len(), log_lines.len())) .set_md("bytes", self.md_bytes(g.bytes)); }); self.print(expander, MD_GROUPS_NO_TRENDS); } pub fn print_groups_trends<'b, T, F, G>( &self, section: &Section, log_lines: &'b [LogLine], filter: F, grouper: G, trend_computer: &TrendComputer, ) where T: Display + Hash + Eq + 'b, F: Fn(&&LogLine) -> bool, G: for<'a> Fn(&'a &'b LogLine) -> T, { let groups: Vec<LineGroup<T>> = log_lines .iter() .filter(filter) .into_group_map_by(grouper) .into_iter() .map(|(value, lines)| LineGroup::new(value, lines, trend_computer)) .collect(); let title = match section.view { View::Full => section.groups_name.to_owned(), View::Limited(limit) => { let mut title = format!( "{} {}", groups.len().to_formatted_string(&Locale::en), section.groups_name, ); if groups.len() > limit { title.push_str(&format!(". {} most frequent:", limit)); } title } }; let popular_groups = groups .iter() .sorted_unstable_by_key(|g| Reverse(g.key_sum)) .take(section.view.limit()); self.print_table_with_trends( &title, section, popular_groups, log_lines.len(), ); if self.changes && section.changes && section.view.limit() < log_lines.len() { let limit = match self.detail_level { 0 => 5, l => l * 10, }; let more_popular_groups = groups .iter() .filter(|g| g.lines.len() > 9) .sorted_unstable_by_key(|g| Reverse(&g.trend)) .take(limit); let title = format!("More popular {}", section.groups_name); self.print_table_with_trends( &title, section, more_popular_groups, log_lines.len(), ); let less_popular_groups = groups .iter() .filter(|g| g.lines.len() > 9) .sorted_unstable_by_key(|g| &g.trend) .take(limit); let title = format!("Less popular {}", section.groups_name); self.print_table_with_trends( &title, section, less_popular_groups, log_lines.len(), ); } } pub fn print_table_with_trends<'b, T, I>( &self, title: &str, section: &Section, groups: I, total_count: usize, ) where T: Display + Hash + Eq + 'b, I: Iterator<Item = &'b LineGroup<'b, T>>, { let mut rows_count = 0; let mut expander = OwningTemplateExpander::new(); expander .set_default("") .set("group-key", section.group_key) .set("title", title); groups.enumerate().for_each(|(idx, g)| { rows_count += 1; let sub = expander.sub("groups"); sub.set("idx", idx + 1) .set("group-value", &g.value) .set_md("hits", self.md_hits(g.hits())) .set_md("bytes", self.md_bytes(g.bytes)) .set("histo-line", g.histo_line()) .set("ref_count", g.trend.ref_count) .set("tail_count", g.trend.tail_count); if matches!(section.view, View::Full) { sub.set("percent", to_percent(g.lines.len(), total_count)); } if g.hits() > 9 { sub.set_md("trend", g.trend.markdown()); } }); if rows_count == 0 { println!("{} : none", title); } else { let template = match section.view { View::Full => MD_GROUPS_TRENDS_NO_ROW_IDX, View::Limited(_) => MD_GROUPS_TRENDS, }; self.print(expander, template); } } } fn to_percent(count: usize, total: usize) -> String { let percent = 100f32 * (count as f32) / (total as f32); format!("{:.1}%", percent) }