feat(handler): System handler support for Sonarr

src/handlers/sonarr_handlers/mod.rs

@@ -4,6 +4,7 @@ use history::HistoryHandler;
 use indexers::IndexersHandler;
 use library::LibraryHandler;
 use root_folders::RootFoldersHandler;
+use system::SystemHandler;
 
 use crate::{
   app::{key_binding::DEFAULT_KEYBINDINGS, App},
@@ -19,6 +20,7 @@ mod history;
 mod indexers;
 mod library;
 mod root_folders;
+mod system;
 
 #[cfg(test)]
 #[path = "sonarr_handler_tests.rs"]
@@ -57,6 +59,9 @@ impl<'a, 'b> KeyEventHandler<'a, 'b, ActiveSonarrBlock> for SonarrHandler<'a, 'b
       _ if IndexersHandler::accepts(self.active_sonarr_block) => {
         IndexersHandler::with(self.key, self.app, self.active_sonarr_block, self.context).handle()
       }
+      _ if SystemHandler::accepts(self.active_sonarr_block) => {
+        SystemHandler::with(self.key, self.app, self.active_sonarr_block, self.context).handle()
+      }
       _ => self.handle_key_event(),
     }
   }

src/handlers/sonarr_handlers/sonarr_handler_tests.rs

@@ -202,4 +202,23 @@ mod tests {
       active_sonarr_block
     );
   }
+
+  #[rstest]
+  fn test_delegates_system_blocks_to_system_handler(
+    #[values(
+      ActiveSonarrBlock::System,
+      ActiveSonarrBlock::SystemLogs,
+      ActiveSonarrBlock::SystemQueuedEvents,
+      ActiveSonarrBlock::SystemTasks,
+      ActiveSonarrBlock::SystemTaskStartConfirmPrompt,
+      ActiveSonarrBlock::SystemUpdates
+    )]
+    active_sonarr_block: ActiveSonarrBlock,
+  ) {
+    test_handler_delegation!(
+      SonarrHandler,
+      ActiveSonarrBlock::System,
+      active_sonarr_block
+    );
+  }
 }

src/handlers/sonarr_handlers/system/mod.rs

@@ -0,0 +1,123 @@
+use crate::app::key_binding::DEFAULT_KEYBINDINGS;
+use crate::app::App;
+use crate::event::Key;
+use crate::handlers::sonarr_handlers::handle_change_tab_left_right_keys;
+use crate::handlers::sonarr_handlers::system::system_details_handler::SystemDetailsHandler;
+use crate::handlers::{handle_clear_errors, KeyEventHandler};
+use crate::models::servarr_data::sonarr::sonarr_data::ActiveSonarrBlock;
+use crate::models::Scrollable;
+
+mod system_details_handler;
+
+#[cfg(test)]
+#[path = "system_handler_tests.rs"]
+mod system_handler_tests;
+
+pub(super) struct SystemHandler<'a, 'b> {
+  key: Key,
+  app: &'a mut App<'b>,
+  active_sonarr_block: ActiveSonarrBlock,
+  context: Option<ActiveSonarrBlock>,
+}
+
+impl<'a, 'b> KeyEventHandler<'a, 'b, ActiveSonarrBlock> for SystemHandler<'a, 'b> {
+  fn handle(&mut self) {
+    match self.active_sonarr_block {
+      _ if SystemDetailsHandler::accepts(self.active_sonarr_block) => {
+        SystemDetailsHandler::with(self.key, self.app, self.active_sonarr_block, self.context)
+          .handle()
+      }
+      _ => self.handle_key_event(),
+    }
+  }
+
+  fn accepts(active_block: ActiveSonarrBlock) -> bool {
+    SystemDetailsHandler::accepts(active_block) || active_block == ActiveSonarrBlock::System
+  }
+
+  fn with(
+    key: Key,
+    app: &'a mut App<'b>,
+    active_block: ActiveSonarrBlock,
+    context: Option<ActiveSonarrBlock>,
+  ) -> SystemHandler<'a, 'b> {
+    SystemHandler {
+      key,
+      app,
+      active_sonarr_block: active_block,
+      context,
+    }
+  }
+
+  fn get_key(&self) -> Key {
+    self.key
+  }
+
+  fn is_ready(&self) -> bool {
+    !self.app.is_loading
+      && !self.app.data.sonarr_data.logs.is_empty()
+      && !self.app.data.sonarr_data.queued_events.is_empty()
+      && !self.app.data.sonarr_data.tasks.is_empty()
+  }
+
+  fn handle_scroll_up(&mut self) {}
+
+  fn handle_scroll_down(&mut self) {}
+
+  fn handle_home(&mut self) {}
+
+  fn handle_end(&mut self) {}
+
+  fn handle_delete(&mut self) {}
+
+  fn handle_left_right_action(&mut self) {
+    if self.active_sonarr_block == ActiveSonarrBlock::System {
+      handle_change_tab_left_right_keys(self.app, self.key);
+    }
+  }
+
+  fn handle_submit(&mut self) {}
+
+  fn handle_esc(&mut self) {
+    handle_clear_errors(self.app)
+  }
+
+  fn handle_char_key_event(&mut self) {
+    if self.active_sonarr_block == ActiveSonarrBlock::System {
+      let key = self.key;
+      match self.key {
+        _ if key == DEFAULT_KEYBINDINGS.refresh.key => {
+          self.app.should_refresh = true;
+        }
+        _ if key == DEFAULT_KEYBINDINGS.events.key => {
+          self
+            .app
+            .push_navigation_stack(ActiveSonarrBlock::SystemQueuedEvents.into());
+        }
+        _ if key == DEFAULT_KEYBINDINGS.logs.key => {
+          self
+            .app
+            .push_navigation_stack(ActiveSonarrBlock::SystemLogs.into());
+          self
+            .app
+            .data
+            .sonarr_data
+            .log_details
+            .set_items(self.app.data.sonarr_data.logs.items.to_vec());
+          self.app.data.sonarr_data.log_details.scroll_to_bottom();
+        }
+        _ if key == DEFAULT_KEYBINDINGS.tasks.key => {
+          self
+            .app
+            .push_navigation_stack(ActiveSonarrBlock::SystemTasks.into());
+        }
+        _ if key == DEFAULT_KEYBINDINGS.update.key => {
+          self
+            .app
+            .push_navigation_stack(ActiveSonarrBlock::SystemUpdates.into());
+        }
+        _ => (),
+      }
+    }
+  }
+}

src/handlers/sonarr_handlers/system/system_details_handler.rs

@@ -0,0 +1,180 @@
+use crate::app::key_binding::DEFAULT_KEYBINDINGS;
+use crate::app::App;
+use crate::event::Key;
+use crate::handlers::{handle_prompt_toggle, KeyEventHandler};
+use crate::models::servarr_data::sonarr::sonarr_data::{ActiveSonarrBlock, SYSTEM_DETAILS_BLOCKS};
+use crate::models::stateful_list::StatefulList;
+use crate::models::Scrollable;
+use crate::network::sonarr_network::SonarrEvent;
+
+#[cfg(test)]
+#[path = "system_details_handler_tests.rs"]
+mod system_details_handler_tests;
+
+pub(super) struct SystemDetailsHandler<'a, 'b> {
+  key: Key,
+  app: &'a mut App<'b>,
+  active_sonarr_block: ActiveSonarrBlock,
+  _context: Option<ActiveSonarrBlock>,
+}
+
+impl<'a, 'b> KeyEventHandler<'a, 'b, ActiveSonarrBlock> for SystemDetailsHandler<'a, 'b> {
+  fn accepts(active_block: ActiveSonarrBlock) -> bool {
+    SYSTEM_DETAILS_BLOCKS.contains(&active_block)
+  }
+
+  fn with(
+    key: Key,
+    app: &'a mut App<'b>,
+    active_block: ActiveSonarrBlock,
+    context: Option<ActiveSonarrBlock>,
+  ) -> SystemDetailsHandler<'a, 'b> {
+    SystemDetailsHandler {
+      key,
+      app,
+      active_sonarr_block: active_block,
+      _context: context,
+    }
+  }
+
+  fn get_key(&self) -> Key {
+    self.key
+  }
+
+  fn is_ready(&self) -> bool {
+    !self.app.is_loading
+      && (!self.app.data.sonarr_data.log_details.is_empty()
+        || !self.app.data.sonarr_data.updates.is_empty())
+  }
+
+  fn handle_scroll_up(&mut self) {
+    match self.active_sonarr_block {
+      ActiveSonarrBlock::SystemLogs => self.app.data.sonarr_data.log_details.scroll_up(),
+      ActiveSonarrBlock::SystemTasks => self.app.data.sonarr_data.tasks.scroll_up(),
+      ActiveSonarrBlock::SystemUpdates => self.app.data.sonarr_data.updates.scroll_up(),
+      ActiveSonarrBlock::SystemQueuedEvents => self.app.data.sonarr_data.queued_events.scroll_up(),
+      _ => (),
+    }
+  }
+
+  fn handle_scroll_down(&mut self) {
+    match self.active_sonarr_block {
+      ActiveSonarrBlock::SystemLogs => self.app.data.sonarr_data.log_details.scroll_down(),
+      ActiveSonarrBlock::SystemTasks => self.app.data.sonarr_data.tasks.scroll_down(),
+      ActiveSonarrBlock::SystemUpdates => self.app.data.sonarr_data.updates.scroll_down(),
+      ActiveSonarrBlock::SystemQueuedEvents => {
+        self.app.data.sonarr_data.queued_events.scroll_down()
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_home(&mut self) {
+    match self.active_sonarr_block {
+      ActiveSonarrBlock::SystemLogs => self.app.data.sonarr_data.log_details.scroll_to_top(),
+      ActiveSonarrBlock::SystemTasks => self.app.data.sonarr_data.tasks.scroll_to_top(),
+      ActiveSonarrBlock::SystemUpdates => self.app.data.sonarr_data.updates.scroll_to_top(),
+      ActiveSonarrBlock::SystemQueuedEvents => {
+        self.app.data.sonarr_data.queued_events.scroll_to_top()
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_end(&mut self) {
+    match self.active_sonarr_block {
+      ActiveSonarrBlock::SystemLogs => self.app.data.sonarr_data.log_details.scroll_to_bottom(),
+      ActiveSonarrBlock::SystemTasks => self.app.data.sonarr_data.tasks.scroll_to_bottom(),
+      ActiveSonarrBlock::SystemUpdates => self.app.data.sonarr_data.updates.scroll_to_bottom(),
+      ActiveSonarrBlock::SystemQueuedEvents => {
+        self.app.data.sonarr_data.queued_events.scroll_to_bottom()
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_delete(&mut self) {}
+
+  fn handle_left_right_action(&mut self) {
+    let key = self.key;
+
+    match self.active_sonarr_block {
+      ActiveSonarrBlock::SystemLogs => match self.key {
+        _ if key == DEFAULT_KEYBINDINGS.left.key => {
+          self
+            .app
+            .data
+            .sonarr_data
+            .log_details
+            .items
+            .iter()
+            .for_each(|log| log.scroll_right());
+        }
+        _ if key == DEFAULT_KEYBINDINGS.right.key => {
+          self
+            .app
+            .data
+            .sonarr_data
+            .log_details
+            .items
+            .iter()
+            .for_each(|log| log.scroll_left());
+        }
+        _ => (),
+      },
+      ActiveSonarrBlock::SystemTaskStartConfirmPrompt => handle_prompt_toggle(self.app, self.key),
+      _ => (),
+    }
+  }
+
+  fn handle_submit(&mut self) {
+    match self.active_sonarr_block {
+      ActiveSonarrBlock::SystemTasks => {
+        self
+          .app
+          .push_navigation_stack(ActiveSonarrBlock::SystemTaskStartConfirmPrompt.into());
+      }
+      ActiveSonarrBlock::SystemTaskStartConfirmPrompt => {
+        if self.app.data.sonarr_data.prompt_confirm {
+          self.app.data.sonarr_data.prompt_confirm_action = Some(SonarrEvent::StartTask(None));
+        }
+
+        self.app.pop_navigation_stack();
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_esc(&mut self) {
+    match self.active_sonarr_block {
+      ActiveSonarrBlock::SystemLogs => {
+        self.app.data.sonarr_data.log_details = StatefulList::default();
+        self.app.pop_navigation_stack()
+      }
+      ActiveSonarrBlock::SystemQueuedEvents
+      | ActiveSonarrBlock::SystemTasks
+      | ActiveSonarrBlock::SystemUpdates => self.app.pop_navigation_stack(),
+      ActiveSonarrBlock::SystemTaskStartConfirmPrompt => {
+        self.app.pop_navigation_stack();
+        self.app.data.sonarr_data.prompt_confirm = false;
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_char_key_event(&mut self) {
+    if SYSTEM_DETAILS_BLOCKS.contains(&self.active_sonarr_block)
+      && self.key == DEFAULT_KEYBINDINGS.refresh.key
+    {
+      self.app.should_refresh = true;
+    }
+
+    if self.active_sonarr_block == ActiveSonarrBlock::SystemTaskStartConfirmPrompt
+      && self.key == DEFAULT_KEYBINDINGS.confirm.key
+    {
+      self.app.data.sonarr_data.prompt_confirm = true;
+      self.app.data.sonarr_data.prompt_confirm_action = Some(SonarrEvent::StartTask(None));
+      self.app.pop_navigation_stack();
+    }
+  }
+}

src/handlers/sonarr_handlers/system/system_handler_tests.rs

@@ -0,0 +1,572 @@
+#[cfg(test)]
+mod tests {
+  use pretty_assertions::assert_eq;
+  use rstest::rstest;
+  use strum::IntoEnumIterator;
+
+  use crate::app::key_binding::DEFAULT_KEYBINDINGS;
+  use crate::app::App;
+  use crate::event::Key;
+  use crate::handlers::sonarr_handlers::system::SystemHandler;
+  use crate::handlers::KeyEventHandler;
+  use crate::models::servarr_data::sonarr::sonarr_data::{
+    ActiveSonarrBlock, SYSTEM_DETAILS_BLOCKS,
+  };
+  use crate::models::servarr_models::QueueEvent;
+  use crate::models::sonarr_models::SonarrTask;
+  use crate::test_handler_delegation;
+
+  mod test_handle_left_right_action {
+    use pretty_assertions::assert_eq;
+
+    use super::*;
+
+    #[rstest]
+    fn test_system_tab_left(#[values(true, false)] is_ready: bool) {
+      let mut app = App::default();
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+      app.is_loading = is_ready;
+      app.data.sonarr_data.main_tabs.set_index(6);
+
+      SystemHandler::with(
+        DEFAULT_KEYBINDINGS.left.key,
+        &mut app,
+        ActiveSonarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(
+        app.data.sonarr_data.main_tabs.get_active_route(),
+        ActiveSonarrBlock::Indexers.into()
+      );
+      assert_eq!(app.get_current_route(), ActiveSonarrBlock::Indexers.into());
+    }
+
+    #[rstest]
+    fn test_system_tab_right(#[values(true, false)] is_ready: bool) {
+      let mut app = App::default();
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+      app.is_loading = is_ready;
+      app.data.sonarr_data.main_tabs.set_index(6);
+
+      SystemHandler::with(
+        DEFAULT_KEYBINDINGS.right.key,
+        &mut app,
+        ActiveSonarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(
+        app.data.sonarr_data.main_tabs.get_active_route(),
+        ActiveSonarrBlock::Series.into()
+      );
+      assert_eq!(app.get_current_route(), ActiveSonarrBlock::Series.into());
+    }
+  }
+
+  mod test_handle_esc {
+    use pretty_assertions::assert_eq;
+
+    use super::*;
+
+    const ESC_KEY: Key = DEFAULT_KEYBINDINGS.esc.key;
+
+    #[rstest]
+    fn test_default_esc(#[values(true, false)] is_loading: bool) {
+      let mut app = App::default();
+      app.is_loading = is_loading;
+      app.error = "test error".to_owned().into();
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+
+      SystemHandler::with(ESC_KEY, &mut app, ActiveSonarrBlock::System, None).handle();
+
+      assert_eq!(app.get_current_route(), ActiveSonarrBlock::System.into());
+      assert!(app.error.text.is_empty());
+    }
+  }
+
+  mod test_handle_key_char {
+    use pretty_assertions::{assert_eq, assert_str_eq};
+
+    use crate::models::HorizontallyScrollableText;
+
+    use super::*;
+
+    #[test]
+    fn test_update_system_key() {
+      let mut app = App::default();
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+      app.data.sonarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .sonarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .sonarr_data
+        .tasks
+        .set_items(vec![SonarrTask::default()]);
+
+      SystemHandler::with(
+        DEFAULT_KEYBINDINGS.update.key,
+        &mut app,
+        ActiveSonarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(
+        app.get_current_route(),
+        ActiveSonarrBlock::SystemUpdates.into()
+      );
+    }
+
+    #[test]
+    fn test_update_system_key_no_op_if_not_ready() {
+      let mut app = App::default();
+      app.is_loading = true;
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+      app.data.sonarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .sonarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .sonarr_data
+        .tasks
+        .set_items(vec![SonarrTask::default()]);
+
+      SystemHandler::with(
+        DEFAULT_KEYBINDINGS.update.key,
+        &mut app,
+        ActiveSonarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(app.get_current_route(), ActiveSonarrBlock::System.into());
+    }
+
+    #[test]
+    fn test_queued_events_key() {
+      let mut app = App::default();
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+      app.data.sonarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .sonarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .sonarr_data
+        .tasks
+        .set_items(vec![SonarrTask::default()]);
+
+      SystemHandler::with(
+        DEFAULT_KEYBINDINGS.events.key,
+        &mut app,
+        ActiveSonarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(
+        app.get_current_route(),
+        ActiveSonarrBlock::SystemQueuedEvents.into()
+      );
+    }
+
+    #[test]
+    fn test_queued_events_key_no_op_if_not_ready() {
+      let mut app = App::default();
+      app.is_loading = true;
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+      app.data.sonarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .sonarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .sonarr_data
+        .tasks
+        .set_items(vec![SonarrTask::default()]);
+
+      SystemHandler::with(
+        DEFAULT_KEYBINDINGS.events.key,
+        &mut app,
+        ActiveSonarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(app.get_current_route(), ActiveSonarrBlock::System.into());
+    }
+
+    #[test]
+    fn test_refresh_system_key() {
+      let mut app = App::default();
+      app.data.sonarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .sonarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .sonarr_data
+        .tasks
+        .set_items(vec![SonarrTask::default()]);
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+
+      SystemHandler::with(
+        DEFAULT_KEYBINDINGS.refresh.key,
+        &mut app,
+        ActiveSonarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(app.get_current_route(), ActiveSonarrBlock::System.into());
+      assert!(app.should_refresh);
+    }
+
+    #[test]
+    fn test_refresh_system_key_no_op_if_not_ready() {
+      let mut app = App::default();
+      app.is_loading = true;
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+      app.data.sonarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .sonarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .sonarr_data
+        .tasks
+        .set_items(vec![SonarrTask::default()]);
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+
+      SystemHandler::with(
+        DEFAULT_KEYBINDINGS.refresh.key,
+        &mut app,
+        ActiveSonarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(app.get_current_route(), ActiveSonarrBlock::System.into());
+      assert!(!app.should_refresh);
+    }
+
+    #[test]
+    fn test_logs_key() {
+      let mut app = App::default();
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+      app.data.sonarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .sonarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .sonarr_data
+        .tasks
+        .set_items(vec![SonarrTask::default()]);
+
+      SystemHandler::with(
+        DEFAULT_KEYBINDINGS.logs.key,
+        &mut app,
+        ActiveSonarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(
+        app.get_current_route(),
+        ActiveSonarrBlock::SystemLogs.into()
+      );
+      assert_eq!(
+        app.data.sonarr_data.log_details.items,
+        app.data.sonarr_data.logs.items
+      );
+      assert_str_eq!(
+        app.data.sonarr_data.log_details.current_selection().text,
+        "test 2"
+      );
+    }
+
+    #[test]
+    fn test_logs_key_no_op_when_not_ready() {
+      let mut app = App::default();
+      app.is_loading = true;
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+      app.data.sonarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .sonarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .sonarr_data
+        .tasks
+        .set_items(vec![SonarrTask::default()]);
+
+      SystemHandler::with(
+        DEFAULT_KEYBINDINGS.logs.key,
+        &mut app,
+        ActiveSonarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(app.get_current_route(), ActiveSonarrBlock::System.into());
+      assert!(app.data.sonarr_data.log_details.is_empty());
+    }
+
+    #[test]
+    fn test_tasks_key() {
+      let mut app = App::default();
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+      app.data.sonarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .sonarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .sonarr_data
+        .tasks
+        .set_items(vec![SonarrTask::default()]);
+
+      SystemHandler::with(
+        DEFAULT_KEYBINDINGS.tasks.key,
+        &mut app,
+        ActiveSonarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(
+        app.get_current_route(),
+        ActiveSonarrBlock::SystemTasks.into()
+      );
+    }
+
+    #[test]
+    fn test_tasks_key_no_op_when_not_ready() {
+      let mut app = App::default();
+      app.is_loading = true;
+      app.push_navigation_stack(ActiveSonarrBlock::System.into());
+      app.data.sonarr_data.logs.set_items(vec![
+        HorizontallyScrollableText::from("test 1"),
+        HorizontallyScrollableText::from("test 2"),
+      ]);
+      app
+        .data
+        .sonarr_data
+        .queued_events
+        .set_items(vec![QueueEvent::default()]);
+      app
+        .data
+        .sonarr_data
+        .tasks
+        .set_items(vec![SonarrTask::default()]);
+
+      SystemHandler::with(
+        DEFAULT_KEYBINDINGS.tasks.key,
+        &mut app,
+        ActiveSonarrBlock::System,
+        None,
+      )
+      .handle();
+
+      assert_eq!(app.get_current_route(), ActiveSonarrBlock::System.into());
+    }
+  }
+
+  #[rstest]
+  fn test_delegates_system_details_blocks_to_system_details_handler(
+    #[values(
+      ActiveSonarrBlock::SystemLogs,
+      ActiveSonarrBlock::SystemQueuedEvents,
+      ActiveSonarrBlock::SystemTasks,
+      ActiveSonarrBlock::SystemTaskStartConfirmPrompt,
+      ActiveSonarrBlock::SystemUpdates
+    )]
+    active_sonarr_block: ActiveSonarrBlock,
+  ) {
+    test_handler_delegation!(
+      SystemHandler,
+      ActiveSonarrBlock::System,
+      active_sonarr_block
+    );
+  }
+
+  #[test]
+  fn test_system_handler_accepts() {
+    let mut system_blocks = vec![ActiveSonarrBlock::System];
+    system_blocks.extend(SYSTEM_DETAILS_BLOCKS);
+
+    ActiveSonarrBlock::iter().for_each(|active_sonarr_block| {
+      if system_blocks.contains(&active_sonarr_block) {
+        assert!(SystemHandler::accepts(active_sonarr_block));
+      } else {
+        assert!(!SystemHandler::accepts(active_sonarr_block));
+      }
+    })
+  }
+
+  #[test]
+  fn test_system_handler_is_not_ready_when_loading() {
+    let mut app = App::default();
+    app.push_navigation_stack(ActiveSonarrBlock::System.into());
+    app.is_loading = true;
+
+    let system_handler = SystemHandler::with(
+      DEFAULT_KEYBINDINGS.update.key,
+      &mut app,
+      ActiveSonarrBlock::System,
+      None,
+    );
+
+    assert!(!system_handler.is_ready());
+  }
+
+  #[test]
+  fn test_system_handler_is_not_ready_when_logs_is_empty() {
+    let mut app = App::default();
+    app.push_navigation_stack(ActiveSonarrBlock::System.into());
+    app.is_loading = false;
+    app
+      .data
+      .sonarr_data
+      .tasks
+      .set_items(vec![SonarrTask::default()]);
+    app
+      .data
+      .sonarr_data
+      .queued_events
+      .set_items(vec![QueueEvent::default()]);
+
+    let system_handler = SystemHandler::with(
+      DEFAULT_KEYBINDINGS.update.key,
+      &mut app,
+      ActiveSonarrBlock::System,
+      None,
+    );
+
+    assert!(!system_handler.is_ready());
+  }
+
+  #[test]
+  fn test_system_handler_is_not_ready_when_tasks_is_empty() {
+    let mut app = App::default();
+    app.push_navigation_stack(ActiveSonarrBlock::System.into());
+    app.is_loading = false;
+    app.data.sonarr_data.logs.set_items(vec!["test".into()]);
+    app
+      .data
+      .sonarr_data
+      .queued_events
+      .set_items(vec![QueueEvent::default()]);
+
+    let system_handler = SystemHandler::with(
+      DEFAULT_KEYBINDINGS.update.key,
+      &mut app,
+      ActiveSonarrBlock::System,
+      None,
+    );
+
+    assert!(!system_handler.is_ready());
+  }
+
+  #[test]
+  fn test_system_handler_is_not_ready_when_queued_events_is_empty() {
+    let mut app = App::default();
+    app.push_navigation_stack(ActiveSonarrBlock::System.into());
+    app.is_loading = false;
+    app.data.sonarr_data.logs.set_items(vec!["test".into()]);
+    app
+      .data
+      .sonarr_data
+      .tasks
+      .set_items(vec![SonarrTask::default()]);
+
+    let system_handler = SystemHandler::with(
+      DEFAULT_KEYBINDINGS.update.key,
+      &mut app,
+      ActiveSonarrBlock::System,
+      None,
+    );
+
+    assert!(!system_handler.is_ready());
+  }
+
+  #[test]
+  fn test_system_handler_is_ready_when_all_required_tables_are_not_empty() {
+    let mut app = App::default();
+    app.push_navigation_stack(ActiveSonarrBlock::System.into());
+    app.is_loading = false;
+    app.data.sonarr_data.logs.set_items(vec!["test".into()]);
+    app
+      .data
+      .sonarr_data
+      .tasks
+      .set_items(vec![SonarrTask::default()]);
+    app
+      .data
+      .sonarr_data
+      .queued_events
+      .set_items(vec![QueueEvent::default()]);
+
+    let system_handler = SystemHandler::with(
+      DEFAULT_KEYBINDINGS.update.key,
+      &mut app,
+      ActiveSonarrBlock::System,
+      None,
+    );
+
+    assert!(system_handler.is_ready());
+  }
+}

src/models/servarr_data/sonarr/sonarr_data.rs

@@ -483,6 +483,14 @@ pub static INDEXERS_BLOCKS: [ActiveSonarrBlock; 3] = [
   ActiveSonarrBlock::TestIndexer,
 ];
 
+pub static SYSTEM_DETAILS_BLOCKS: [ActiveSonarrBlock; 5] = [
+  ActiveSonarrBlock::SystemLogs,
+  ActiveSonarrBlock::SystemQueuedEvents,
+  ActiveSonarrBlock::SystemTasks,
+  ActiveSonarrBlock::SystemTaskStartConfirmPrompt,
+  ActiveSonarrBlock::SystemUpdates,
+];
+
 impl From<ActiveSonarrBlock> for Route {
   fn from(active_sonarr_block: ActiveSonarrBlock) -> Route {
     Route::Sonarr(active_sonarr_block, None)

src/models/servarr_data/sonarr/sonarr_data_tests.rs

@@ -207,6 +207,7 @@ mod tests {
       EDIT_INDEXER_NZB_SELECTION_BLOCKS, EDIT_INDEXER_TORRENT_SELECTION_BLOCKS, EDIT_SERIES_BLOCKS,
       EDIT_SERIES_SELECTION_BLOCKS, HISTORY_BLOCKS, INDEXERS_BLOCKS, INDEXER_SETTINGS_BLOCKS,
       INDEXER_SETTINGS_SELECTION_BLOCKS, LIBRARY_BLOCKS, ROOT_FOLDERS_BLOCKS,
+      SYSTEM_DETAILS_BLOCKS,
     };
 
     #[test]
@@ -556,5 +557,15 @@ mod tests {
       assert!(INDEXERS_BLOCKS.contains(&ActiveSonarrBlock::Indexers));
       assert!(INDEXERS_BLOCKS.contains(&ActiveSonarrBlock::TestIndexer));
     }
+
+    #[test]
+    fn test_system_details_blocks_contents() {
+      assert_eq!(SYSTEM_DETAILS_BLOCKS.len(), 5);
+      assert!(SYSTEM_DETAILS_BLOCKS.contains(&ActiveSonarrBlock::SystemLogs));
+      assert!(SYSTEM_DETAILS_BLOCKS.contains(&ActiveSonarrBlock::SystemQueuedEvents));
+      assert!(SYSTEM_DETAILS_BLOCKS.contains(&ActiveSonarrBlock::SystemTasks));
+      assert!(SYSTEM_DETAILS_BLOCKS.contains(&ActiveSonarrBlock::SystemTaskStartConfirmPrompt));
+      assert!(SYSTEM_DETAILS_BLOCKS.contains(&ActiveSonarrBlock::SystemUpdates));
+    }
   }
 }