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feat(readoutd): nice terminal UI mode
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,11 +1,209 @@ | ||
| use super::*; | ||
| use crossterm::{ | ||
| event::{self, EventStream, KeyCode, KeyEventKind}, | ||
| terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen}, | ||
| ExecutableCommand, | ||
| }; | ||
| use eclss_api::Metrics; | ||
| use futures::stream::StreamExt; | ||
| use ratatui::{ | ||
| prelude::*, | ||
| symbols::border, | ||
| widgets::{ | ||
| block::{Block, Position, Title}, | ||
| Borders, Paragraph, | ||
| }, | ||
| }; | ||
| use std::io::stdout; | ||
|
|
||
| impl TerminalArgs { | ||
| pub(super) async fn run(self, mut client: Client) -> anyhow::Result<()> { | ||
| pub(super) async fn run(self, client: Client) -> anyhow::Result<()> { | ||
| stdout().execute(EnterAlternateScreen)?; | ||
| enable_raw_mode()?; | ||
| let result = tokio::task::spawn(self.run_inner(client)).await; | ||
|
|
||
| stdout().execute(LeaveAlternateScreen)?; | ||
| disable_raw_mode()?; | ||
| result.context("terminal task panicked")??; | ||
| Ok(()) | ||
| } | ||
|
|
||
| async fn run_inner(self, mut client: Client) -> anyhow::Result<()> { | ||
| let mut terminal = Terminal::new(CrosstermBackend::new(stdout()))?; | ||
| terminal.clear()?; | ||
|
|
||
| let mut input = Box::pin(EventStream::new()); | ||
| let mut interval = tokio::time::interval(self.refresh.into()); | ||
| let fetch = client.fetch().await; | ||
| let mut app = App { | ||
| args: self, | ||
| fetch, | ||
| conn: Line::from(vec![ | ||
| "Connected to: ".into(), | ||
| Span::styled(client.metrics_url.to_string(), Style::new().underlined()), | ||
| ]), | ||
| }; | ||
| loop { | ||
| let fetch = client.fetch().await?; | ||
| println!("{:#?}\n", fetch); | ||
| terminal.draw(|frame| { | ||
| frame.render_widget(&app, frame.size()); | ||
| })?; | ||
|
|
||
| let fetch = async { | ||
| interval.tick().await; | ||
| client.fetch().await | ||
| }; | ||
| tokio::select! { | ||
| biased; | ||
|
|
||
| event = input.next() => { | ||
| let event = event | ||
| .ok_or_else(|| anyhow::anyhow!("keyboard event stream ended early, this is a bug"))? | ||
| .context("keyboard event stream error")?; | ||
| if let event::Event::Key(event::KeyEvent { | ||
| kind: KeyEventKind::Press, | ||
| code: KeyCode::Char(c), | ||
| .. | ||
| }) = event | ||
| { | ||
| if c == 'q' || c == 'Q' { | ||
| return Ok(()); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fetch = fetch => { | ||
| app.fetch = fetch; | ||
| }, | ||
| } | ||
| interval.tick().await; | ||
| app.fetch = client.fetch().await; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| struct App { | ||
| #[allow(dead_code)] | ||
| args: TerminalArgs, | ||
| conn: Line<'static>, | ||
| fetch: anyhow::Result<Metrics>, | ||
| } | ||
|
|
||
| impl Widget for &App { | ||
| fn render(self, area: Rect, buf: &mut Buffer) { | ||
| let title = Title::from(" ECLSS READOUT ".bold()); | ||
| let instructions = Title::from(Line::from(vec![" Quit ".into(), "<q/Q> ".blue().bold()])); | ||
| let block = Block::default() | ||
| .title(title.alignment(Alignment::Center)) | ||
| .title( | ||
| instructions | ||
| .alignment(Alignment::Center) | ||
| .position(Position::Bottom), | ||
| ) | ||
| .borders(Borders::ALL) | ||
| .border_set(border::THICK); | ||
| let reading_style = Style::new().bold(); | ||
|
|
||
| let text = match self.fetch { | ||
| Ok(ref metrics) => { | ||
| let temp = mean(&metrics.temp_c) | ||
| .map(|temp_c| { | ||
| let temp_f = temp_c_to_f(temp_c); | ||
| Line::from(vec![ | ||
| "Temperature: ".into(), | ||
| Span::styled(format!("{temp_f:.2} °F"), reading_style), | ||
| " / ".into(), | ||
| Span::styled(format!("{temp_c:.2} °C"), reading_style), | ||
| ]) | ||
| }) | ||
| .unwrap_or_else(|| { | ||
| Line::from(vec![ | ||
| "Temperature: ".into(), | ||
| Span::styled("???", reading_style), | ||
| ]) | ||
| }); | ||
|
|
||
| let rel_humidity = mean(&metrics.rel_humidity_percent) | ||
| .map(|h| { | ||
| Line::from(vec![ | ||
| "Relative Humidity: ".into(), | ||
| Span::styled(format!("{h:02.2}"), reading_style), | ||
| "%".into(), | ||
| ]) | ||
| }) | ||
| .unwrap_or_else(|| { | ||
| Line::from(vec![ | ||
| "Relative Humidity: ".into(), | ||
| Span::styled("???", reading_style), | ||
| ]) | ||
| }); | ||
|
|
||
| let abs_humidity = mean(&metrics.abs_humidity_grams_m3) | ||
| .map(|h| { | ||
| Line::from(vec![ | ||
| "Absolute Humidity: ".into(), | ||
| Span::styled(format!("{h:02.2}"), reading_style), | ||
| " g/m³".into(), | ||
| ]) | ||
| }) | ||
| .unwrap_or_else(|| { | ||
| Line::from(vec![ | ||
| "Absolute Humidity: ".into(), | ||
| Span::styled("???", reading_style), | ||
| ]) | ||
| }); | ||
|
|
||
| let co2 = mean(&metrics.co2_ppm) | ||
| .map(|co2| { | ||
| Line::from(vec![ | ||
| "CO₂: ".into(), | ||
| Span::styled(format!("{co2:03.2}"), reading_style), | ||
| " ppm".into(), | ||
| ]) | ||
| }) | ||
| .unwrap_or_else(|| { | ||
| Line::from(vec!["CO₂: ".into(), Span::styled("???", reading_style)]) | ||
| }); | ||
|
|
||
| let tvoc = mean(&metrics.tvoc_ppb) | ||
| .map(|t| { | ||
| Line::from(vec![ | ||
| "tVOC: ".into(), | ||
| Span::styled(format!("{t:03.2}"), reading_style), | ||
| " ppb".into(), | ||
| ]) | ||
| }) | ||
| .unwrap_or_else(|| { | ||
| Line::from(vec!["tVOC: ".into(), Span::styled("???", reading_style)]) | ||
| }); | ||
| Text::from(vec![ | ||
| self.conn.clone(), | ||
| Line::from(Vec::new()), | ||
| temp, | ||
| rel_humidity, | ||
| abs_humidity, | ||
| co2, | ||
| tvoc, | ||
| ]) | ||
| } | ||
| Err(ref error) => { | ||
| let mut text = Text::from(vec![ | ||
| self.conn.clone(), | ||
| Line::from(Vec::new()), | ||
| Line::from(vec![Span::styled( | ||
| "METRICS FETCH ERROR", | ||
| Style::new().bold().fg(Color::Red), | ||
| )]), | ||
| Line::from(Vec::new()), | ||
| ]); | ||
| text.extend( | ||
| format!("{error:?}") | ||
| .lines() | ||
| .map(|l| Line::from(l.to_string())), | ||
| ); | ||
| text | ||
| } | ||
| }; | ||
|
|
||
| Paragraph::new(text).block(block).render(area, buf) | ||
| } | ||
| } |