allow filtering by log level

data/src/types.rs

@@ -10,7 +10,7 @@ pub enum LogLevel {
     Info = 1,
     Warn = 2,
     Error = 3,
-    Exception,
+    Exception = 4,
     #[default]
     Unknown,
 }

src/app.rs

@@ -2,6 +2,7 @@ use crate::grouping::{GroupingResult, UniqueGrouping};
 use crate::logfile::{LogFile, LogLine, LogLineNumber};
 use crate::logs::ParsedLogs;
 use crate::timegraph::{SparkLine, TimeGraph};
+use logsmash_data::LogLevel;
 use regex::{escape, Regex, RegexBuilder};
 use serde_json::Error as JsonError;
 use std::cell::OnceCell;
@@ -83,10 +84,10 @@ impl<'logs> LineSet<'logs> {
     }
 
     pub fn matches(&self, filter: &Filter) -> bool {
+        let line = self.lines[0];
         if filter.is_empty() {
             return true;
         }
-        let line = self.lines[0];
         if line.request_id == filter.filter {
             return true;
         }
@@ -98,15 +99,23 @@ impl<'logs> LineSet<'logs> {
     }
 }
 
-#[derive(Default, Clone)]
+#[derive(Clone)]
 pub struct Filter {
     filter: String,
     regexes: Vec<Regex>,
+    pub levels: [bool; 6],
+}
+
+impl Default for Filter {
+    fn default() -> Self {
+        EMPTY_FILTER.clone()
+    }
 }
 
 pub static EMPTY_FILTER: Filter = Filter {
     filter: String::new(),
     regexes: Vec::new(),
+    levels: [true; 6],
 };
 
 impl Filter {
@@ -122,18 +131,24 @@ impl Filter {
             .collect()
     }
 
-    #[allow(dead_code)]
-    pub fn new(filter: String) -> Self {
-        let regexes = Self::build_regex(&filter);
-        Filter { filter, regexes }
+    pub fn level(&self, level: LogLevel) -> bool {
+        self.levels[level as i64 as usize]
+    }
+
+    pub fn toggle_level(&mut self, level: LogLevel) {
+        self.levels[level as i64 as usize] = !self.levels[level as i64 as usize];
     }
 
     pub fn parts(&self) -> impl Iterator<Item = &Regex> {
         self.regexes.iter()
     }
 
+    pub fn all_levels(&self) -> bool {
+        self.levels.iter().all(|level| *level)
+    }
+
     pub fn is_empty(&self) -> bool {
-        self.filter.is_empty()
+        self.filter.is_empty() && self.levels.iter().all(|level| *level)
     }
 
     pub fn push(&mut self, c: char) {

src/grouping/mod.rs

@@ -95,6 +95,9 @@ impl<'logs> LogGrouping<'logs> {
         if filter.is_empty() {
             return true;
         }
+        if !filter.all_levels() && !self.lines.lines.iter().any(|line| filter.level(line.level)) {
+            return false;
+        }
         match &self.result {
             Some(result) => result.matches(filter),
             _ => true,

src/grouping/unique.rs

@@ -28,6 +28,9 @@ impl<'a> GroupingResult<'a> for UniqueGrouping<'a> {
         if filter.is_empty() {
             return true;
         }
+        if !filter.level(self.line.level) {
+            return false;
+        }
         filter.parts().all(|filter_part| {
             if let Some(ex) = self.line.exception.as_ref() {
                 if filter_part.is_match(&ex.message) || filter_part.is_match(&ex.exception) {

src/ui/footer.rs

@@ -55,13 +55,13 @@ pub fn footer<'a>(app: &App, params: FooterParams<'a>) -> Table<'a> {
 
 fn help(page: UiPage) -> &'static str {
     match page {
-        UiPage::GroupList => "«Q» Exit - «Enter» Select - «F» Filter - «E» Show parse errors",
-        UiPage::Group => "«Q» Exit - «Enter» Select - «F» Filter - «G» Group By - «Esc» Back",
+        UiPage::GroupList => "«Q» Exit - «Enter» Select - «F» Filter - «L» Toggle Level - «E» Show parse errors",
+        UiPage::Group => "«Q» Exit - «Enter» Select - «F» Filter - «L» Toggle Level - «G» Group By - «Esc» Back",
         UiPage::DistinctLogs => {
-            "«Q» Exit - «F» Filter - «Esc» Back - «C» Copy log line - «Shift» + «C» Copy all lines - «G» Group By - «R» Show logs for request"
+            "«Q» Exit - «F» Filter - «L» Toggle Level - «Esc» Back - «C» Copy log line - «Shift» + «C» Copy all lines - «G» Group By - «R» Show logs for request"
         }
         UiPage::ByRequest => {
-            "«Q» Exit - «F» Filter - «Esc» Back - «C» Copy log line - «Shift» + «C» Copy all lines"
+            "«Q» Exit - «F» Filter - «L» Toggle Level - «Esc» Back - «C» Copy log line - «Shift» + «C» Copy all lines"
         }
         UiPage::Log => {
             "«Q» Exit - «Esc» Back - «R» Toggle raw - «C» Copy log line - «R» Show logs for request"

src/ui/input.rs

@@ -19,11 +19,12 @@ pub enum UiEvent {
     Copy,
     CopyAll,
     EnterFilterMode,
-    ClearFilter,
     Text(char),
     PopText(PopMode),
     ByRequest,
     GroupBy,
+    ToggleLevelFilterMode,
+    Toggle,
 }
 
 pub enum PopMode {
@@ -61,7 +62,7 @@ pub fn handle_events(page: UiPage, ui_state: &UiState) -> io::Result<Option<UiEv
                         Some(UiEvent::EnterFilterMode)
                     }
 
-                    (Mode::FilterInput, KeyCode::Esc) => Some(UiEvent::ClearFilter),
+                    (Mode::FilterInput, KeyCode::Esc) => Some(UiEvent::Back),
                     (Mode::FilterInput, KeyCode::F(4)) => Some(UiEvent::Back),
                     (Mode::FilterInput, KeyCode::Backspace) => {
                         Some(UiEvent::PopText(PopMode::Character))
@@ -72,6 +73,9 @@ pub fn handle_events(page: UiPage, ui_state: &UiState) -> io::Result<Option<UiEv
                         Some(UiEvent::PopText(PopMode::Word))
                     }
                     (Mode::FilterInput, KeyCode::Char(c)) => Some(UiEvent::Text(c)),
+
+                    (_, KeyCode::Char(' ')) => Some(UiEvent::Toggle),
+                    (_, KeyCode::Char('l')) => Some(UiEvent::ToggleLevelFilterMode),
                     _ => None,
                 });
             }

src/ui/list.rs

@@ -3,6 +3,7 @@ use ratatui::buffer::Buffer;
 use ratatui::layout::Rect;
 use ratatui::prelude::StatefulWidget;
 use ratatui::widgets::{Block, HighlightSpacing, List, ListItem, ListState};
+use std::fmt::Display;
 
 pub struct SelectList<'a> {
     list: List<'a>,
@@ -37,6 +38,51 @@ impl StatefulWidget for SelectList<'_> {
     }
 }
 
+pub struct ToggleList<'a> {
+    list: List<'a>,
+}
+
+impl<'a> ToggleList<'a> {
+    pub fn new<T, S>(items: T) -> Self
+    where
+        T: IntoIterator<Item = (S, bool)>,
+        S: Display,
+    {
+        fn symbol(state: bool) -> &'static str {
+            if state {
+                "☑"
+            } else {
+                "☐"
+            }
+        }
+
+        ToggleList {
+            list: List::new(
+                items
+                    .into_iter()
+                    .map(|(text, state)| format!("{} {text}", symbol(state))),
+            )
+            .highlight_style(TABLE_SELECTED_STYLE)
+            .highlight_spacing(HighlightSpacing::Always),
+        }
+    }
+
+    #[must_use = "method moves the value of self and returns the modified value"]
+    pub fn block(self, block: Block<'a>) -> Self {
+        ToggleList {
+            list: self.list.block(block),
+        }
+    }
+}
+
+impl StatefulWidget for ToggleList<'_> {
+    type State = SizedListState;
+
+    fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State) {
+        StatefulWidget::render(self.list, area, buf, &mut state.list_state);
+    }
+}
+
 #[derive(PartialEq)]
 pub struct SizedListState {
     list_state: ListState,

src/ui/mod.rs

@@ -7,12 +7,12 @@ use crate::ui::footer::footer;
 use crate::ui::grouping_list::grouping_list;
 use crate::ui::histogram::UiHistogram;
 use crate::ui::input::handle_events;
-use crate::ui::list::SelectList;
+use crate::ui::list::{SelectList, ToggleList};
 use crate::ui::single_group::single_group;
 use crate::ui::single_log::single_log;
 use crate::ui::state::{
     DistinctLogsState, ErrorLinesState, ErrorState, GroupByMenuState, GroupListState, GroupState,
-    LogState, UiState,
+    LevelsMenuState, LogState, UiState,
 };
 use ratatui::crossterm::event::{DisableMouseCapture, EnableMouseCapture};
 use ratatui::crossterm::terminal::{
@@ -189,6 +189,32 @@ fn ui(frame: &mut Frame, app: &App, state: &mut UiState) {
             frame.render_widget(Clear, area);
             frame.render_stateful_widget(popup, area, list_state);
         }
+        UiState::LevelsMenu(LevelsMenuState {
+            previous,
+            list_state,
+            levels,
+            ..
+        }) => {
+            ui(frame, app, previous);
+            let options = [
+                ("Debug", levels[0]),
+                ("Info", levels[1]),
+                ("Warn", levels[2]),
+                ("Error", levels[3]),
+                ("Exception", levels[4]),
+                ("Unknown", levels[5]),
+            ];
+            let area = center(
+                frame.area(),
+                Constraint::Percentage(20),
+                Constraint::Length(options.len() as u16 + 2), // top and bottom border + content
+            );
+            let block = Block::bordered().title("Levels");
+
+            let popup = ToggleList::new(options).block(block);
+            frame.render_widget(Clear, area);
+            frame.render_stateful_widget(popup, area, list_state);
+        }
         UiState::Distinct(DistinctLogsState {
             lines,
             table_state,

src/ui/state.rs

@@ -19,6 +19,7 @@ pub enum UiState<'a> {
     GroupList(GroupListState<'a>),
     Group(GroupState<'a>),
     GroupByMenu(GroupByMenuState<'a>),
+    LevelsMenu(LevelsMenuState<'a>),
     Distinct(DistinctLogsState<'a>),
     Log(LogState<'a>),
     Errors(ErrorLinesState<'a>),
@@ -36,6 +37,7 @@ impl<'a> UiState<'a> {
                     ..
                 })
                 | UiState::GroupByMenu(_)
+                | UiState::LevelsMenu(_)
                 | UiState::Distinct(DistinctLogsState { .. })
                 | UiState::Log(LogState { .. })
                 | UiState::Errors(ErrorLinesState { .. })
@@ -213,6 +215,24 @@ impl<'a> GroupState<'a> {
     }
 }
 
+pub struct LevelsMenuState<'a> {
+    pub previous: Box<UiState<'a>>,
+    pub list_state: SizedListState,
+    pub levels: [bool; 6],
+}
+
+impl PartialEq for LevelsMenuState<'_> {
+    fn eq(&self, other: &Self) -> bool {
+        self.list_state == other.list_state
+    }
+}
+
+impl<'a> LevelsMenuState<'a> {
+    fn selected(&self) -> usize {
+        self.list_state.selected()
+    }
+}
+
 impl PartialEq for GroupState<'_> {
     fn eq(&self, other: &Self) -> bool {
         self.result.result == other.result.result
@@ -379,6 +399,7 @@ impl<'a> UiState<'a> {
             UiState::Quit | UiState::GroupList(_) => UiPage::GroupList,
             UiState::Group(_) => UiPage::Group,
             UiState::GroupByMenu(_) => UiPage::Group, // todo
+            UiState::LevelsMenu(_) => UiPage::Group,  // todo
             UiState::Distinct(DistinctLogsState {
                 grouping: DistinctLogGrouping::Message,
                 ..
@@ -455,6 +476,7 @@ impl<'a> UiState<'a> {
     fn list_state_mut(&mut self) -> Option<&mut SizedListState> {
         match self {
             UiState::GroupByMenu(state) => Some(&mut state.list_state),
+            UiState::LevelsMenu(state) => Some(&mut state.list_state),
             _ => None,
         }
     }
@@ -511,6 +533,7 @@ impl<'a> UiState<'a> {
             UiState::Group(_) => UI_HEADER_SIZE + 1,
             UiState::Distinct(_) => UI_HEADER_SIZE + 1,
             UiState::GroupByMenu(_) => 0,
+            UiState::LevelsMenu(_) => 0,
             UiState::Log(_) => 0,
             UiState::Errors(_) => 0,
             UiState::Error(_) => 0,
@@ -602,9 +625,6 @@ impl<'a> UiState<'a> {
                 state.filter.pop();
                 (true, state.into())
             }
-            (UiState::GroupByMenu(GroupByMenuState { previous, .. }), UiEvent::ClearFilter) => {
-                (true, *previous)
-            }
             (UiState::Distinct(state), UiEvent::Select) => {
                 let selected = state.selected();
                 (true, state.enter(selected, app))
@@ -657,7 +677,7 @@ impl<'a> UiState<'a> {
                 copy_osc(raw);
                 (false, UiState::Errors(state))
             }
-            (mut ui, UiEvent::EnterFilterMode) if ui.mode() != Mode::FilterInput => {
+            (mut ui, UiEvent::EnterFilterMode) if ui.mode() == Mode::Normal => {
                 ui.set_mode(Mode::FilterInput);
                 (true, ui)
             }
@@ -676,12 +696,34 @@ impl<'a> UiState<'a> {
                 }
                 (true, ui)
             }
-            (mut ui, UiEvent::ClearFilter) if ui.mode() != Mode::Normal => {
-                if let Some(filter) = ui.filter_mut() {
-                    filter.clear();
+            (
+                ui @ (UiState::GroupList(_) | UiState::Group(_) | UiState::Distinct(_)),
+                UiEvent::ToggleLevelFilterMode,
+            ) if ui.mode() == Mode::Normal => {
+                let levels = ui.filter().map(|filter| filter.levels).unwrap_or([true; 6]);
+                let state = LevelsMenuState {
+                    previous: Box::new(ui),
+                    list_state: SizedListState::new(levels.len()),
+                    levels,
+                };
+                (true, UiState::LevelsMenu(state))
             }
-                ui.set_mode(Mode::Normal);
-                (true, ui)
+            (UiState::LevelsMenu(mut state), UiEvent::Toggle) => {
+                state.levels[state.selected()] = !state.levels[state.selected()];
+                (true, UiState::LevelsMenu(state))
+            }
+            (
+                UiState::LevelsMenu(LevelsMenuState {
+                    mut previous,
+                    levels,
+                    ..
+                }),
+                UiEvent::Back | UiEvent::ToggleLevelFilterMode | UiEvent::Select,
+            ) => {
+                if let Some(filter) = previous.filter_mut() {
+                    filter.levels = levels;
+                }
+                (true, *previous)
             }
             (
                 mut ui @ UiState::GroupList(GroupListState {