релиз первой версии

src/main.rs

@@ -0,0 +1,182 @@
+use std::fs::File;
+use std::io::BufReader;
+use std::path::PathBuf;
+use std::time::Duration;
+
+use crossterm::event::{self, Event, KeyCode, KeyEventKind};
+use ratatui::prelude::*;
+use ratatui::widgets::{Block, Borders, List, ListItem, ListState, Paragraph};
+use rodio::{Decoder, OutputStreamBuilder, Sink};
+use walkdir::WalkDir;
+
+/// Аудио-плеер на базе rodio
+struct AudioPlayer {
+    // Важно: _stream держим живым, иначе звук обрывается
+    _stream: rodio::OutputStream,
+    sink: Sink,
+}
+
+impl AudioPlayer {
+    fn new() -> Result<Self, Box<dyn std::error::Error>> {
+        let stream_handle = rodio::OutputStreamBuilder::open_default_stream()?;
+        let sink = Sink::connect_new(&stream_handle.mixer());
+        Ok(Self { _stream: stream_handle, sink })
+    }
+
+    /// Заменить текущий трек и начать воспроизведение
+    fn play(&self, path: &PathBuf) -> Result<(), Box<dyn std::error::Error>> {
+        self.sink.stop();
+        let file = BufReader::new(File::open(path)?);
+        let source = Decoder::new(file)?;
+        self.sink.append(source);
+        self.sink.play();
+        Ok(())
+    }
+
+    fn toggle_pause(&self) {
+        if self.sink.is_paused() {
+            self.sink.play();
+        } else {
+            self.sink.pause();
+        }
+    }
+
+    fn stop(&self) {
+        self.sink.stop();
+    }
+}
+
+/// Состояние приложения
+struct App {
+    files: Vec<PathBuf>,
+    list_state: ListState,
+    player: AudioPlayer,
+    status: String,
+}
+
+impl App {
+    fn new(music_dir: &str) -> Result<Self, Box<dyn std::error::Error>> {
+        let mut files = Vec::new();
+        for entry in WalkDir::new(music_dir)
+            .follow_links(true)
+            .into_iter()
+            .filter_map(|e| e.ok())
+        {
+            let path = entry.path();
+            if path.is_file() {
+                if let Some(ext) = path.extension().and_then(|e| e.to_str()) {
+                    if matches!(ext.to_lowercase().as_str(), "mp3" | "flac" | "ogg" | "wav" | "m4a") {
+                        files.push(path.to_path_buf());
+                    }
+                }
+            }
+        }
+        files.sort();
+
+        let mut list_state = ListState::default();
+        if !files.is_empty() {
+            list_state.select(Some(0));
+        }
+
+        Ok(Self {
+            files,
+            list_state,
+            player: AudioPlayer::new()?,
+            status: "Нажмите Enter для воспроизведения".into(),
+        })
+    }
+
+    fn next(&mut self) {
+        if self.files.is_empty() { return; }
+        let i = match self.list_state.selected() {
+            Some(i) => if i >= self.files.len() - 1 { 0 } else { i + 1 },
+            None => 0,
+        };
+        self.list_state.select(Some(i));
+    }
+
+    fn prev(&mut self) {
+        if self.files.is_empty() { return; }
+        let i = match self.list_state.selected() {
+            Some(i) => if i == 0 { self.files.len() - 1 } else { i - 1 },
+            None => 0,
+        };
+        self.list_state.select(Some(i));
+    }
+
+    fn play_selected(&mut self) {
+        if let Some(i) = self.list_state.selected() {
+            if let Some(path) = self.files.get(i) {
+                match self.player.play(path) {
+                    Ok(_) => {
+                        let name = path.file_name().unwrap_or_default().to_string_lossy();
+                        self.status = format!("▶ {}", name);
+                    }
+                    Err(e) => self.status = format!("Ошибка: {}", e),
+                }
+            }
+        }
+    }
+}
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // Папка с музыкой — можно передать аргументом, по умолчанию ~/Music
+    let music_dir = std::env::args()
+        .nth(1)
+        .unwrap_or_else(|| {
+            dirs::home_dir()
+                .map(|h| h.join("Music").to_string_lossy().to_string())
+                .unwrap_or_else(|| "./music".into())
+        });
+
+    let mut terminal = ratatui::init();
+    let mut app = App::new(&music_dir)?;
+
+    loop {
+        terminal.draw(|f| {
+            let chunks = Layout::default()
+                .direction(Direction::Vertical)
+                .constraints([Constraint::Min(1), Constraint::Length(3)])
+                .split(f.area());
+
+            // Список файлов
+            let items: Vec<ListItem> = app.files.iter()
+                .map(|p| {
+                    let name = p.file_name().unwrap_or_default().to_string_lossy();
+                    ListItem::new(name.to_string())
+                })
+                .collect();
+
+            let list = List::new(items)
+                .block(Block::default().borders(Borders::ALL).title(" Треки "))
+                .highlight_style(Style::default().add_modifier(Modifier::REVERSED))
+                .highlight_symbol("> ");
+
+            f.render_stateful_widget(list, chunks[0], &mut app.list_state);
+
+            // Статус-бар
+            let status = Paragraph::new(app.status.as_str())
+                .block(Block::default().borders(Borders::ALL).title(" Статус "));
+            f.render_widget(status, chunks[1]);
+        })?;
+
+        // Обработка клавиш
+        if event::poll(Duration::from_millis(100))? {
+            if let Event::Key(key) = event::read()? {
+                if key.kind != KeyEventKind::Press { continue; }
+                match key.code {
+                    KeyCode::Char('q') | KeyCode::Esc => break,
+                    KeyCode::Up | KeyCode::Char('k') => app.prev(),
+                    KeyCode::Down | KeyCode::Char('j') => app.next(),
+                    KeyCode::Enter => app.play_selected(),
+                    KeyCode::Char(' ') => app.player.toggle_pause(),
+                    KeyCode::Char('s') => app.player.stop(),
+                    _ => {}
+                }
+            }
+        }
+    }
+
+    ratatui::restore();
+    Ok(())
+}