Added some better theming to the UI, enabled clippy to warn on 2018 idioms, and added human_panic hook to report bugs

src/main.rs

@@ -1,7 +1,8 @@
-extern crate core;
+#![warn(rust_2018_idioms)]
 
-use std::io;
+use std::panic::PanicInfo;
 use std::sync::Arc;
+use std::{io, panic};
 
 use anyhow::Result;
 use clap::Parser;
@@ -36,6 +37,9 @@ struct Cli {}
 #[tokio::main]
 async fn main() -> Result<()> {
   log4rs::init_config(utils::init_logging_config())?;
+  panic::set_hook(Box::new(|info| {
+    panic_hook(info);
+  }));
   Cli::parse();
 
   let config = confy::load("managarr", "config")?;
@@ -105,3 +109,48 @@ async fn start_ui(app: &Arc<Mutex<App>>) -> Result<()> {
 
   Ok(())
 }
+
+#[cfg(debug_assertions)]
+fn panic_hook(info: &PanicInfo<'_>) {
+  use backtrace::Backtrace;
+  use crossterm::style::Print;
+
+  let location = info.location().unwrap();
+
+  let msg = match info.payload().downcast_ref::<&'static str>() {
+    Some(s) => *s,
+    None => match info.payload().downcast_ref::<String>() {
+      Some(s) => &s[..],
+      None => "Box<Any>",
+    },
+  };
+
+  let stacktrace: String = format!("{:?}", Backtrace::new()).replace('\n', "\n\r");
+
+  disable_raw_mode().unwrap();
+  execute!(
+    io::stdout(),
+    LeaveAlternateScreen,
+    Print(format!(
+      "thread '<unnamed>' panicked at '{}', {}\n\r{}",
+      msg, location, stacktrace
+    )),
+  )
+  .unwrap();
+}
+
+#[cfg(not(debug_assertions))]
+fn panic_hook(info: &PanicInfo<'_>) {
+  use human_panic::{handle_dump, print_msg, Metadata};
+
+  let meta = Metadata {
+    version: env!("CARGO_PKG_VERSION").into(),
+    name: env!("CARGO_PKG_NAME").into(),
+    authors: env!("CARGO_PKG_AUTHORS").replace(":", ", ").into(),
+    homepage: env!("CARGO_PKG_HOMEPAGE").into(),
+  };
+  let file_path = handle_dump(&meta, info);
+  disable_raw_mode().unwrap();
+  execute!(io::stdout(), LeaveAlternateScreen).unwrap();
+  print_msg(file_path, &meta).expect("human-panic: printing error message to console failed");
+}

src/network/mod.rs

@@ -43,7 +43,7 @@ impl<'a> Network<'a> {
   pub async fn handle_request<T, R>(
     &self,
     request_props: RequestProps<T>,
-    mut app_update_fn: impl FnMut(R, MutexGuard<App>),
+    mut app_update_fn: impl FnMut(R, MutexGuard<'_, App>),
   ) where
     T: Serialize + Default + Debug,
     R: DeserializeOwned,

src/ui/mod.rs

@@ -13,12 +13,12 @@ use tui::Frame;
 use crate::app::App;
 use crate::models::{Route, StatefulList, StatefulTable, TabState};
 use crate::ui::utils::{
-  borderless_block, centered_rect, horizontal_chunks, horizontal_chunks_with_margin, layout_block,
-  layout_block_top_border, layout_button_paragraph, layout_button_paragraph_borderless,
-  layout_paragraph_borderless, logo_block, show_cursor, style_block_highlight, style_default,
-  style_default_bold, style_failure, style_help, style_highlight, style_primary, style_secondary,
-  style_system_function, title_block, title_block_centered, vertical_chunks,
-  vertical_chunks_with_margin,
+  background_block, borderless_block, centered_rect, horizontal_chunks,
+  horizontal_chunks_with_margin, layout_block, layout_block_top_border, layout_button_paragraph,
+  layout_button_paragraph_borderless, layout_paragraph_borderless, logo_block, show_cursor,
+  style_block_highlight, style_default, style_default_bold, style_failure, style_help,
+  style_highlight, style_primary, style_secondary, style_system_function, title_block,
+  title_block_centered, vertical_chunks, vertical_chunks_with_margin,
 };
 
 mod radarr_ui;
@@ -26,7 +26,8 @@ mod utils;
 
 static HIGHLIGHT_SYMBOL: &str = "=> ";
 
-pub fn ui<B: Backend>(f: &mut Frame<B>, app: &mut App) {
+pub fn ui<B: Backend>(f: &mut Frame<'_, B>, app: &mut App) {
+  f.render_widget(background_block(), f.size());
   let main_chunks = if !app.error.text.is_empty() {
     let chunks = vertical_chunks_with_margin(
       vec![
@@ -115,6 +116,7 @@ pub fn draw_popup<B: Backend>(
 ) {
   let popup_area = centered_rect(percent_x, percent_y, f.size());
   f.render_widget(Clear, popup_area);
+  f.render_widget(background_block(), popup_area);
   popup_fn(f, app, popup_area);
 }
 
@@ -188,6 +190,31 @@ fn draw_context_row<B: Backend>(f: &mut Frame<'_, B>, app: &App, area: Rect) {
   }
 }
 
+pub fn draw_error_popup_over<B: Backend>(
+  f: &mut Frame<'_, B>,
+  app: &mut App,
+  area: Rect,
+  message: &str,
+  background_fn: fn(&mut Frame<'_, B>, &mut App, Rect),
+) {
+  background_fn(f, app, area);
+  draw_error_popup(f, message);
+}
+
+pub fn draw_error_popup<B: Backend>(f: &mut Frame<'_, B>, message: &str) {
+  let prompt_area = centered_rect(25, 8, f.size());
+  f.render_widget(Clear, prompt_area);
+  f.render_widget(background_block(), prompt_area);
+
+  let error_message = Paragraph::new(Text::from(message))
+    .block(title_block_centered("Error").style(style_failure()))
+    .style(style_failure().add_modifier(Modifier::BOLD))
+    .wrap(Wrap { trim: false })
+    .alignment(Alignment::Center);
+
+  f.render_widget(error_message, prompt_area);
+}
+
 fn draw_tabs<'a, B: Backend>(
   f: &mut Frame<'_, B>,
   area: Rect,
@@ -234,7 +261,7 @@ pub struct TableProps<'a, T> {
 fn draw_table<'a, B, T, F>(
   f: &mut Frame<'_, B>,
   content_area: Rect,
-  block: Block,
+  block: Block<'_>,
   table_props: TableProps<'a, T>,
   row_mapper: F,
   is_loading: bool,
@@ -302,30 +329,6 @@ pub fn loading<B: Backend>(f: &mut Frame<'_, B>, block: Block<'_>, area: Rect, i
   }
 }
 
-pub fn draw_error_popup_over<B: Backend>(
-  f: &mut Frame<'_, B>,
-  app: &mut App,
-  area: Rect,
-  message: &str,
-  background_fn: fn(&mut Frame<'_, B>, &mut App, Rect),
-) {
-  background_fn(f, app, area);
-  draw_error_popup(f, message);
-}
-
-pub fn draw_error_popup<B: Backend>(f: &mut Frame<'_, B>, message: &str) {
-  let prompt_area = centered_rect(25, 8, f.size());
-  f.render_widget(Clear, prompt_area);
-
-  let error_message = Paragraph::new(Text::from(message))
-    .block(title_block_centered("Error").style(style_failure()))
-    .style(style_failure().add_modifier(Modifier::BOLD))
-    .wrap(Wrap { trim: false })
-    .alignment(Alignment::Center);
-
-  f.render_widget(error_message, prompt_area);
-}
-
 pub fn draw_prompt_box<B: Backend>(
   f: &mut Frame<'_, B>,
   prompt_area: Rect,
@@ -341,7 +344,7 @@ pub fn draw_prompt_box_with_content<B: Backend>(
   prompt_area: Rect,
   title: &str,
   prompt: &str,
-  content: Option<Paragraph>,
+  content: Option<Paragraph<'_>>,
   yes_no_value: &bool,
 ) {
   f.render_widget(title_block_centered(title), prompt_area);

src/ui/radarr_ui/movie_details_ui.rs

@@ -204,7 +204,7 @@ fn draw_movie_details<B: Backend>(f: &mut Frame<'_, B>, app: &App, content_area:
 
           spans_info_default(title, split[1..].join(":"))
         })
-        .collect::<Vec<Spans>>(),
+        .collect::<Vec<Spans<'_>>>(),
     );
     text.patch_style(determine_style_from_download_status(download_status));
 
@@ -508,7 +508,7 @@ fn draw_manual_search_confirm_prompt<B: Backend>(
       .unwrap_or_default()
       .iter()
       .map(|item| Spans::from(vec![Span::styled(format!("• {}", item), style_primary())]))
-      .collect::<Vec<Spans>>();
+      .collect::<Vec<Spans<'_>>>();
     spans_vec.append(&mut rejections_spans);
 
     let content_paragraph = Paragraph::new(spans_vec)

src/ui/utils.rs

@@ -5,6 +5,23 @@ use tui::text::{Span, Spans, Text};
 use tui::widgets::{Block, BorderType, Borders, LineGauge, Paragraph, Wrap};
 use tui::{symbols, Frame};
 
+pub const COLOR_TEAL: Color = Color::Rgb(35, 50, 55);
+// pub const COLOR_CYAN: Color = Color::Rgb(0, 230, 230);
+pub const COLOR_CYAN: Color = Color::Cyan;
+// pub const COLOR_LIGHT_BLUE: Color = Color::Rgb(138, 196, 255);
+pub const COLOR_LIGHT_BLUE: Color = Color::LightBlue;
+// pub const COLOR_YELLOW: Color = Color::Rgb(249, 229, 113);
+pub const COLOR_YELLOW: Color = Color::Yellow;
+// pub const COLOR_GREEN: Color = Color::Rgb(72, 213, 150);
+pub const COLOR_GREEN: Color = Color::Green;
+// pub const COLOR_RED: Color = Color::Rgb(249, 140, 164);
+pub const COLOR_RED: Color = Color::Red;
+// pub const COLOR_ORANGE: Color = Color::Rgb(255, 170, 66);
+// pub const COLOR_WHITE: Color = Color::Rgb(255, 255, 255);
+pub const COLOR_WHITE: Color = Color::White;
+// pub const COLOR_MAGENTA: Color = Color::Rgb(139, 0, 139);
+pub const COLOR_MAGENTA: Color = Color::Magenta;
+
 pub fn horizontal_chunks(constraints: Vec<Constraint>, area: Rect) -> Vec<Rect> {
   layout_with_constraints(constraints)
     .direction(Direction::Horizontal)
@@ -45,6 +62,10 @@ fn layout_with_constraints(constraints: Vec<Constraint>) -> Layout {
   ))
 }
 
+pub fn background_block<'a>() -> Block<'a> {
+  Block::default().style(Style::default().bg(COLOR_TEAL).fg(COLOR_WHITE))
+}
+
 pub fn layout_block<'a>() -> Block<'a> {
   Block::default()
     .borders(Borders::ALL)
@@ -67,7 +88,11 @@ pub fn layout_block_bottom_border<'a>() -> Block<'a> {
   Block::default().borders(Borders::BOTTOM)
 }
 
-pub fn layout_button_paragraph(is_selected: bool, label: &str, alignment: Alignment) -> Paragraph {
+pub fn layout_button_paragraph(
+  is_selected: bool,
+  label: &str,
+  alignment: Alignment,
+) -> Paragraph<'_> {
   Paragraph::new(Text::from(label))
     .block(layout_block())
     .alignment(alignment)
@@ -78,14 +103,14 @@ pub fn layout_button_paragraph_borderless(
   is_selected: bool,
   label: &str,
   alignment: Alignment,
-) -> Paragraph {
+) -> Paragraph<'_> {
   Paragraph::new(Text::from(label))
     .block(borderless_block())
     .alignment(alignment)
     .style(style_block_highlight(is_selected))
 }
 
-pub fn layout_paragraph_borderless(string: &str) -> Paragraph {
+pub fn layout_paragraph_borderless(string: &str) -> Paragraph<'_> {
   Paragraph::new(Text::from(string))
     .block(borderless_block())
     .style(style_primary().add_modifier(Modifier::BOLD))
@@ -131,7 +156,7 @@ pub fn style_highlight() -> Style {
 }
 
 pub fn style_default() -> Style {
-  Style::default().fg(Color::White)
+  Style::default().fg(COLOR_WHITE)
 }
 
 pub fn style_default_bold() -> Style {
@@ -139,35 +164,35 @@ pub fn style_default_bold() -> Style {
 }
 
 pub fn style_primary() -> Style {
-  Style::default().fg(Color::Cyan)
+  Style::default().fg(COLOR_CYAN)
 }
 
 pub fn style_secondary() -> Style {
-  Style::default().fg(Color::Yellow)
+  Style::default().fg(COLOR_YELLOW)
 }
 
 pub fn style_system_function() -> Style {
-  Style::default().fg(Color::Yellow)
+  Style::default().fg(COLOR_YELLOW)
 }
 
 pub fn style_unmonitored() -> Style {
-  Style::default().fg(Color::Rgb(91, 87, 87))
+  Style::default().fg(COLOR_WHITE)
 }
 
 pub fn style_success() -> Style {
-  Style::default().fg(Color::Green)
+  Style::default().fg(COLOR_GREEN)
 }
 
 pub fn style_warning() -> Style {
-  Style::default().fg(Color::Magenta)
+  Style::default().fg(COLOR_MAGENTA)
 }
 
 pub fn style_failure() -> Style {
-  Style::default().fg(Color::Red)
+  Style::default().fg(COLOR_RED)
 }
 
 pub fn style_help() -> Style {
-  Style::default().fg(Color::LightBlue)
+  Style::default().fg(COLOR_LIGHT_BLUE)
 }
 
 pub fn style_block_highlight(is_selected: bool) -> Style {
@@ -223,19 +248,19 @@ pub fn centered_rect(percent_x: u16, percent_y: u16, r: Rect) -> Rect {
     .split(popup_layout[1])[1]
 }
 
-pub fn line_gauge_with_title(title: &str, ratio: f64) -> LineGauge {
+pub fn line_gauge_with_title(title: &str, ratio: f64) -> LineGauge<'_> {
   LineGauge::default()
     .block(Block::default().title(title))
-    .gauge_style(Style::default().fg(Color::Cyan))
+    .gauge_style(Style::default().fg(COLOR_CYAN))
     .line_set(symbols::line::THICK)
     .ratio(ratio)
     .label(Spans::from(format!("{:.0}%", ratio * 100.0)))
 }
 
-pub fn line_gauge_with_label(title: &str, ratio: f64) -> LineGauge {
+pub fn line_gauge_with_label(title: &str, ratio: f64) -> LineGauge<'_> {
   LineGauge::default()
     .block(Block::default())
-    .gauge_style(Style::default().fg(Color::Cyan))
+    .gauge_style(Style::default().fg(COLOR_CYAN))
     .line_set(symbols::line::THICK)
     .ratio(ratio)
     .label(Spans::from(format!("{}: {:.0}%", title, ratio * 100.0)))
@@ -264,8 +289,8 @@ mod test {
     layout_with_constraints, logo_block, spans_info_default, spans_info_primary,
     spans_info_with_style, style_block_highlight, style_bold, style_default, style_default_bold,
     style_failure, style_help, style_highlight, style_primary, style_secondary, style_success,
-    style_system_function, style_warning, title_block, title_block_centered, title_style,
-    vertical_chunks, vertical_chunks_with_margin,
+    style_system_function, style_unmonitored, style_warning, title_block, title_block_centered,
+    title_style, vertical_chunks, vertical_chunks_with_margin,
   };
 
   #[test]
@@ -498,6 +523,11 @@ mod test {
     );
   }
 
+  #[test]
+  fn test_style_unmonitored() {
+    assert_eq!(style_unmonitored(), Style::default().fg(Color::White));
+  }
+
   #[test]
   fn test_style_default() {
     assert_eq!(style_default(), Style::default().fg(Color::White));