Static TUI mock-up

src/collection/mod.rs

@@ -1,4 +1,10 @@
-use crate::{database::{Database, self}, library::{Library, Query, self}, Artist};
+use std::fmt;
+
+use crate::{
+    database::{self, Database},
+    library::{self, Library, Query},
+    Artist,
+};
 
 /// The collection type.
 pub type Collection = Vec<Artist>;
@@ -12,6 +18,17 @@ pub enum Error {
     DatabaseError(String),
 }
 
+impl fmt::Display for Error {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match *self {
+            Self::LibraryError(ref s) => write!(f, "failed to read/write from/to the library: {s}"),
+            Self::DatabaseError(ref s) => {
+                write!(f, "failed to read/write from/to the database: {s}")
+            }
+        }
+    }
+}
+
 impl From<library::Error> for Error {
     fn from(err: library::Error) -> Error {
         Error::LibraryError(err.to_string())
@@ -51,4 +68,8 @@ impl CollectionManager {
         self.database.write(&self.collection)?;
         Ok(())
     }
+
+    pub fn get_collection(&self) -> &Collection {
+        &self.collection
+    }
 }

src/main.rs

@@ -13,7 +13,7 @@ use musichoard::{
     library::{
         beets::{BeetsLibrary, BeetsLibraryCommandExecutor},
         Library, Query,
-    },
+    }, collection::CollectionManager,
 };
 
 mod tui;
@@ -46,17 +46,19 @@ struct Opt {
 
 fn main() {
     // Create the application.
-    let mut app = App::new();
+    let opt = Opt::from_args();
 
-    // let opt = Opt::from_args();
+    let beets = BeetsLibrary::new(Box::new(
+        BeetsLibraryCommandExecutor::default().config(opt.beets_config_file_path.as_deref()),
+    ));
 
-    // let mut beets = BeetsLibrary::new(Box::new(
+    let database = JsonDatabase::new(Box::new(JsonDatabaseFileBackend::new(
-    //     BeetsLibraryCommandExecutor::default().config(opt.beets_config_file_path.as_deref()),
+        &opt.database_file_path,
-    // ));
+    )));
 
-    // let collection = beets
+    let collection_manager = CollectionManager::new(Box::new(beets), Box::new(database));
-    //     .list(&Query::new())
+
-    //     .expect("failed to query the library");
+    let mut app = App::new(collection_manager).expect("failed to initialise app");
 
     // Initialize the terminal user interface.
     let backend = CrosstermBackend::new(io::stdout());
@@ -65,11 +67,9 @@ fn main() {
     let mut tui = Tui::new(terminal, events);
     tui.init();
 
-    // Start the main loop.
+    // Main loop.
-    while app.running {
+    while app.is_running() {
-        // Render the user interface.
         tui.draw(&mut app);
-        // Handle events.
         match tui.events.next_event() {
             Event::Key(key_event) => handle_key_events(key_event, &mut app),
             Event::Mouse(_) => {}
@@ -79,12 +79,4 @@ fn main() {
 
     // Exit the user interface.
     tui.exit();
-
-    // let mut database = JsonDatabase::new(Box::new(JsonDatabaseFileBackend::new(
-    //     &opt.database_file_path,
-    // )));
-
-    // database
-    //     .write(&collection)
-    //     .expect("failed to write to the database");
 }

src/tui/app.rs

@@ -1,44 +1,32 @@
-/// Application.
+use musichoard::collection::{CollectionManager, Collection};
-#[derive(Debug)]
-pub struct App {
-    /// Is the application running?
-    pub running: bool,
-    /// counter
-    pub counter: u8,
-}
 
-impl Default for App {
+use super::Error;
-    fn default() -> Self {
+
-        Self {
+/// Application.
-            running: true,
+pub struct App {
-            counter: 0,
+    collection_manager: CollectionManager,
-        }
+    running: bool,
-    }
 }
 
 impl App {
     /// Constructs a new instance of [`App`].
-    pub fn new() -> Self {
+    pub fn new(mut collection_manager: CollectionManager) -> Result<Self, Error> {
-        Self::default()
+        collection_manager.rescan_library()?;
+        Ok(App { collection_manager, running: true })
     }
 
-    /// Handles the tick event of the terminal.
+    /// Whether the app is running.
-    pub fn tick(&self) {}
+    pub fn is_running(&self) -> bool {
+        self.running
+    }
+
+    /// Get the list of artists.
+    pub fn get_collection(&self) -> &Collection {
+        self.collection_manager.get_collection()
+    }
 
     /// Set running to false to quit the application.
     pub fn quit(&mut self) {
         self.running = false;
     }
-
-    pub fn increment_counter(&mut self) {
-        if let Some(res) = self.counter.checked_add(1) {
-            self.counter = res;
-        }
-    }
-
-    pub fn decrement_counter(&mut self) {
-        if let Some(res) = self.counter.checked_sub(1) {
-            self.counter = res;
-        }
-    }
 }

src/tui/handler.rs

@@ -15,13 +15,6 @@ pub fn handle_key_events(key_event: KeyEvent, app: &mut App) {
                 app.quit();
             }
         }
-        // Counter handlers
-        KeyCode::Right => {
-            app.increment_counter();
-        }
-        KeyCode::Left => {
-            app.decrement_counter();
-        }
         // Other handlers you could add here.
         _ => {}
     }

src/tui/mod.rs

@@ -1,5 +1,6 @@
 use crossterm::event::{DisableMouseCapture, EnableMouseCapture};
 use crossterm::terminal::{self, EnterAlternateScreen, LeaveAlternateScreen};
+use musichoard::collection;
 use ratatui::backend::Backend;
 use ratatui::Terminal;
 use std::io;
@@ -14,6 +15,19 @@ use event::EventHandler;
 
 use self::app::App;
 
+/// Error type for the TUI.
+#[derive(Debug)]
+pub enum Error {
+    /// The collection manager failed.
+    CollectionError(String),
+}
+
+impl From<collection::Error> for Error {
+    fn from(err: collection::Error) -> Error {
+        Error::CollectionError(err.to_string())
+    }
+}
+
 /// Representation of a terminal user interface.
 ///
 /// It is responsible for setting up the terminal,

src/tui/ui.rs

@@ -1,8 +1,9 @@
+use musichoard::{collection::Collection, TrackFormat};
 use ratatui::{
     backend::Backend,
-    layout::Alignment,
+    layout::{Alignment, Rect},
-    style::{Color, Style},
+    style::{Color, Modifier, Style},
-    widgets::{Block, BorderType, Borders, Paragraph},
+    widgets::{Block, BorderType, Borders, List, ListItem, Paragraph},
     Frame,
 };
 
@@ -14,23 +15,149 @@ pub fn render<B: Backend>(app: &mut App, frame: &mut Frame<'_, B>) {
     // See the following resources:
     // - https://docs.rs/ratatui/latest/ratatui/widgets/index.html
     // - https://github.com/tui-rs-revival/ratatui/tree/master/examples
+
+    let collection: &Collection = app.get_collection();
+
+    let artists: Vec<ListItem> = collection
+        .iter()
+        .map(|a| ListItem::new(a.id.name.as_str()))
+        .collect();
+
+    let frame_rect = frame.size();
+    let width_over_three = frame_rect.width / 3;
+    let height_over_three = frame_rect.height / 3;
+
+    let artists_rect = Rect {
+        x: frame_rect.x,
+        y: frame_rect.y,
+        width: width_over_three,
+        height: frame_rect.height,
+    };
+
+    frame.render_widget(
+        List::new(artists)
+            .highlight_style(Style::default().add_modifier(Modifier::ITALIC))
+            .highlight_symbol(">>")
+            .style(Style::default().fg(Color::Cyan).bg(Color::Black))
+            .block(
+                Block::default()
+                    .title("Artists")
+                    .title_alignment(Alignment::Center)
+                    .borders(Borders::ALL)
+                    .border_type(BorderType::Rounded),
+            ),
+        artists_rect,
+    );
+
+    let albums: Vec<ListItem> = collection[1]
+        .albums
+        .iter()
+        .map(|a| ListItem::new(a.id.title.as_str()))
+        .collect();
+
+    let albums_rect = Rect {
+        x: artists_rect.x + artists_rect.width,
+        y: frame_rect.y,
+        width: width_over_three,
+        height: frame_rect.height - height_over_three,
+    };
+
+    frame.render_widget(
+        List::new(albums)
+            .highlight_style(Style::default().add_modifier(Modifier::ITALIC))
+            .highlight_symbol(">>")
+            .style(Style::default().fg(Color::Cyan).bg(Color::Black))
+            .block(
+                Block::default()
+                    .title("Albums")
+                    .title_alignment(Alignment::Center)
+                    .borders(Borders::ALL)
+                    .border_type(BorderType::Rounded),
+            ),
+        albums_rect,
+    );
+
+    let albums_info_rect = Rect {
+        x: albums_rect.x,
+        y: albums_rect.y + albums_rect.height,
+        width: albums_rect.width,
+        height: height_over_three,
+    };
+
     frame.render_widget(
         Paragraph::new(format!(
-            "This is a tui template.\n\
+            "Title: {}\n\
-             Press `Esc`, `Ctrl-C` or `q` to stop running.\n\
+             Year: {}",
-             Press left and right to increment and decrement the counter respectively.\n\
+            collection[1].albums[1].id.title, collection[1].albums[1].id.year,
-             Counter: {}",
-            app.counter
         ))
+        .style(Style::default().fg(Color::Cyan).bg(Color::Black))
         .block(
             Block::default()
-                .title("Template")
+                .title("Album info")
                 .title_alignment(Alignment::Center)
                 .borders(Borders::ALL)
                 .border_type(BorderType::Rounded),
-        )
+        ),
+        albums_info_rect,
+    );
+
+    let tracks: Vec<ListItem> = collection[1].albums[1]
+        .tracks
+        .iter()
+        .map(|t| ListItem::new(t.title.as_str()))
+        .collect();
+
+    let tracks_rect = Rect {
+        x: albums_rect.x + albums_rect.width,
+        y: frame_rect.y,
+        width: frame_rect.width - 2 * width_over_three,
+        height: frame_rect.height - height_over_three,
+    };
+
+    frame.render_widget(
+        List::new(tracks)
+            .highlight_style(Style::default().add_modifier(Modifier::ITALIC))
+            .highlight_symbol(">>")
+            .style(Style::default().fg(Color::Cyan).bg(Color::Black))
+            .block(
+                Block::default()
+                    .title("Tracks")
+                    .title_alignment(Alignment::Center)
+                    .borders(Borders::ALL)
+                    .border_type(BorderType::Rounded),
+            ),
+        tracks_rect,
+    );
+
+    let track_info_rect = Rect {
+        x: tracks_rect.x,
+        y: tracks_rect.y + tracks_rect.height,
+        width: tracks_rect.width,
+        height: height_over_three,
+    };
+
+    frame.render_widget(
+        Paragraph::new(format!(
+            "Track: {}\n\
+             Title: {}\n\
+             Artist: {}\n\
+             Format: {}",
+            collection[1].albums[1].tracks[1].number,
+            collection[1].albums[1].tracks[1].title,
+            collection[1].albums[1].tracks[1].artist.join("; "),
+            match collection[1].albums[1].tracks[1].format {
+                TrackFormat::Flac => "FLAC",
+                TrackFormat::Mp3 => "MP3",
+            },
+        ))
         .style(Style::default().fg(Color::Cyan).bg(Color::Black))
-        .alignment(Alignment::Center),
+        .block(
-        frame.size(),
+            Block::default()
-    )
+                .title("Track info")
+                .title_alignment(Alignment::Center)
+                .borders(Borders::ALL)
+                .border_type(BorderType::Rounded),
+        ),
+        track_info_rect,
+    );
 }