near feature parity with previous architecture

1 files changed, 144 insertions, 0 deletions

diff --git a/src/screens/dashboard.rs b/src/screens/dashboard.rs
new file mode 100644
index 0000000..e03624d
--- /dev/null
+++ b/src/screens/dashboard.rs
@@ -0,0 +1,144 @@
+use ratatui::{
+    crossterm::event::KeyCode,
+    layout::{Alignment, Constraint, Layout, Spacing},
+    text::{Line, Span, Text},
+    widgets::{Block, Borders, Paragraph},
+};
+
+use crate::{actions::Signal, screens::screen::Screen, theme::Theme, widgets::helpers::human_size};
+
+#[derive(Debug, Default)]
+pub struct DashboardScreen {}
+
+fn create_stats<'a>(title: &'a str, value: &'a str) -> Paragraph<'a> {
+    Paragraph::new(vec![
+        Line::from(Span::styled(title, Theme::title())),
+        Line::from(""),
+        Line::from(value),
+    ])
+    .block(
+        Block::default()
+            .borders(Borders::ALL)
+            .border_style(Theme::block())
+            .merge_borders(ratatui::symbols::merge::MergeStrategy::Exact),
+    )
+    .style(Theme::text())
+    .alignment(Alignment::Center)
+}
+
+impl Screen for DashboardScreen {
+    fn draw(
+        &mut self,
+        frame: &mut ratatui::Frame,
+        area: ratatui::prelude::Rect,
+        repo: &crate::gentoo::Portage,
+    ) {
+        let logo = "
+     ██████╗ ██╗   ██╗██╗███████╗██╗    ██╗
+    ██╔═══██╗██║   ██║██║██╔════╝██║    ██║
+    ██║   ██║██║   ██║██║█████╗  ██║ █╗ ██║
+    ██║▄▄ ██║╚██╗ ██╔╝██║██╔══╝  ██║███╗██║
+    ╚██████╔╝ ╚████╔╝ ██║███████╗╚███╔███╔╝
+     ╚══▀▀═╝   ╚═══╝  ╚═╝╚══════╝ ╚══╝╚══╝
+            gentoo portage dashboard
+            ";
+
+        let constraints = [
+            Constraint::Length(9),
+            Constraint::Min(15),
+            Constraint::Fill(1),
+            Constraint::Length(3),
+        ];
+
+        let layout = Layout::vertical(constraints);
+
+        let [logo_top, stats, _fill, key_hints] = area.layout(&layout);
+
+        let [stats_top, stats_middle, stats_bottom] = Layout::vertical([
+            Constraint::Fill(1),
+            Constraint::Fill(1),
+            Constraint::Fill(1),
+        ])
+        .spacing(Spacing::Overlap(1))
+        .areas(stats);
+
+        let splits = Layout::horizontal([
+            Constraint::Fill(1),
+            Constraint::Fill(1),
+            Constraint::Fill(1),
+        ])
+        .spacing(Spacing::Overlap(1))
+        .split(stats_top);
+
+        let logo = Paragraph::new(Text::styled(logo, Theme::title()));
+        frame.render_widget(logo, logo_top);
+
+        let keys = Paragraph::new(Span::styled(
+            "(q) to quit | (tab) to switch tabs",
+            Theme::muted(),
+        ))
+        .block(
+            Block::default()
+                .borders(Borders::ALL)
+                .border_style(Theme::block()),
+        );
+        frame.render_widget(keys, key_hints);
+
+        let installed_packages_len = repo.installed_packages.len().to_string();
+        let installed_packages =
+            create_stats("Installed Packages", installed_packages_len.as_str());
+        let global_use_flags = create_stats("Global USE Flags", "COMING SOON");
+        let repository_state = create_stats("Repository state", "COMING SOON");
+        frame.render_widget(installed_packages, splits[0]);
+        frame.render_widget(global_use_flags, splits[1]);
+        frame.render_widget(repository_state, splits[2]);
+
+        let splits = Layout::horizontal([
+            Constraint::Fill(1),
+            Constraint::Fill(1),
+            Constraint::Fill(1),
+        ])
+        .spacing(Spacing::Overlap(1))
+        .split(stats_middle);
+
+        let world_package_count = repo.world_packages.len().to_string();
+        let world_packages = create_stats("World Packages", &world_package_count);
+        let pending_updates = create_stats("Pending Updates", "COMING SOON");
+        let last_emerge = create_stats("Last Emerge", "COMING SOON");
+
+        frame.render_widget(world_packages, splits[0]);
+        frame.render_widget(pending_updates, splits[1]);
+        frame.render_widget(last_emerge, splits[2]);
+
+        let splits = Layout::horizontal([
+            Constraint::Fill(1),
+            Constraint::Fill(1),
+            Constraint::Fill(1),
+        ])
+        .spacing(Spacing::Overlap(1))
+        .split(stats_bottom);
+
+        let installed_size = human_size(repo.total_installed_size());
+
+        let installed_size = create_stats("Installed Size", &installed_size);
+        let distfiles_cache = create_stats("Distfiles Cache", "COMING SOON");
+        let portage_news = create_stats("Portage News", "COMING SOON");
+
+        frame.render_widget(installed_size, splits[0]);
+        frame.render_widget(distfiles_cache, splits[1]);
+        frame.render_widget(portage_news, splits[2]);
+    }
+
+    fn update(
+        &mut self,
+        key: ratatui::crossterm::event::KeyEvent,
+        _: &crate::gentoo::Portage,
+    ) -> Option<crate::actions::Signal> {
+        match key.code {
+            KeyCode::Char('q') => Some(Signal::Quit),
+            KeyCode::Tab => Some(Signal::CycleTab),
+
+            _ => None,
+        }
+    }
+}