fix: Cancel all requests when switching Servarr tabs to both improve …

…performance and fix issue #15

src/app/mod.rs

@@ -26,7 +26,7 @@ pub mod sonarr;
 pub struct App<'a> {
   navigation_stack: Vec<Route>,
   network_tx: Option<Sender<NetworkEvent>>,
-  cancellation_token: CancellationToken,
+  pub cancellation_token: CancellationToken,
   pub is_first_render: bool,
   pub server_tabs: TabState,
   pub error: HorizontallyScrollableText,

src/handlers/handlers_tests.rs

@@ -4,6 +4,7 @@ mod tests {
   use crate::models::sonarr_models::Series;
   use pretty_assertions::assert_eq;
   use rstest::rstest;
+  use tokio_util::sync::CancellationToken;
 
   use crate::app::key_binding::DEFAULT_KEYBINDINGS;
   use crate::app::App;
@@ -65,17 +66,20 @@ mod tests {
     assert_eq!(app.get_current_route(), left_block.into());
     assert!(app.is_first_render);
     assert_eq!(app.error, HorizontallyScrollableText::default());
+    assert!(app.cancellation_token.is_cancelled());
 
     app.server_tabs.set_index(index);
     app.is_first_render = false;
     app.error = "Test".into();
+    app.cancellation_token = CancellationToken::new();
 
     handle_events(DEFAULT_KEYBINDINGS.next_servarr.key, &mut app);
 
     assert_eq!(app.server_tabs.get_active_route(), right_block.into());
     assert_eq!(app.get_current_route(), right_block.into());
     assert!(app.is_first_render);
     assert_eq!(app.error, HorizontallyScrollableText::default());
+    assert!(app.cancellation_token.is_cancelled());
   }
 
   #[rstest]

src/handlers/mod.rs

@@ -88,10 +88,12 @@ pub fn handle_events(key: Key, app: &mut App<'_>) {
     app.reset();
     app.server_tabs.next();
     app.pop_and_push_navigation_stack(app.server_tabs.get_active_route());
+    app.cancellation_token.cancel();
   } else if key == DEFAULT_KEYBINDINGS.previous_servarr.key {
     app.reset();
     app.server_tabs.previous();
     app.pop_and_push_navigation_stack(app.server_tabs.get_active_route());
+    app.cancellation_token.cancel();
   } else {
     match app.get_current_route() {
       Route::Radarr(active_radarr_block, context) => {