Refactored the UI module and the handlers module to do a more chain-of-responsibility method to manage the UI's and handlers for different key events. Also, initial work for indexer settings as well

src/handlers/radarr_handlers/system/system_details_handler.rs

@@ -0,0 +1,165 @@
+use crate::app::key_binding::DEFAULT_KEYBINDINGS;
+use crate::app::radarr::{ActiveRadarrBlock, SYSTEM_DETAILS_BLOCKS};
+use crate::app::App;
+use crate::event::Key;
+use crate::handlers::{handle_prompt_toggle, KeyEventHandler};
+use crate::models::Scrollable;
+use crate::network::radarr_network::RadarrEvent;
+
+#[cfg(test)]
+#[path = "system_details_handler_tests.rs"]
+mod system_details_handler_tests;
+
+pub(super) struct SystemDetailsHandler<'a, 'b> {
+  key: &'a Key,
+  app: &'a mut App<'b>,
+  active_radarr_block: &'a ActiveRadarrBlock,
+  _context: &'a Option<ActiveRadarrBlock>,
+}
+
+impl<'a, 'b> KeyEventHandler<'a, 'b, ActiveRadarrBlock> for SystemDetailsHandler<'a, 'b> {
+  fn accepts(active_block: &'a ActiveRadarrBlock) -> bool {
+    SYSTEM_DETAILS_BLOCKS.contains(active_block)
+  }
+
+  fn with(
+    key: &'a Key,
+    app: &'a mut App<'b>,
+    active_block: &'a ActiveRadarrBlock,
+    context: &'a Option<ActiveRadarrBlock>,
+  ) -> SystemDetailsHandler<'a, 'b> {
+    SystemDetailsHandler {
+      key,
+      app,
+      active_radarr_block: active_block,
+      _context: context,
+    }
+  }
+
+  fn get_key(&self) -> &Key {
+    self.key
+  }
+
+  fn handle_scroll_up(&mut self) {
+    match self.active_radarr_block {
+      ActiveRadarrBlock::SystemLogs => self.app.data.radarr_data.log_details.scroll_up(),
+      ActiveRadarrBlock::SystemTasks => self.app.data.radarr_data.tasks.scroll_up(),
+      ActiveRadarrBlock::SystemUpdates => self.app.data.radarr_data.updates.scroll_up(),
+      ActiveRadarrBlock::SystemQueuedEvents => self.app.data.radarr_data.queued_events.scroll_up(),
+      _ => (),
+    }
+  }
+
+  fn handle_scroll_down(&mut self) {
+    match self.active_radarr_block {
+      ActiveRadarrBlock::SystemLogs => self.app.data.radarr_data.log_details.scroll_down(),
+      ActiveRadarrBlock::SystemTasks => self.app.data.radarr_data.tasks.scroll_down(),
+      ActiveRadarrBlock::SystemUpdates => self.app.data.radarr_data.updates.scroll_down(),
+      ActiveRadarrBlock::SystemQueuedEvents => {
+        self.app.data.radarr_data.queued_events.scroll_down()
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_home(&mut self) {
+    match self.active_radarr_block {
+      ActiveRadarrBlock::SystemLogs => self.app.data.radarr_data.log_details.scroll_to_top(),
+      ActiveRadarrBlock::SystemTasks => self.app.data.radarr_data.tasks.scroll_to_top(),
+      ActiveRadarrBlock::SystemUpdates => self.app.data.radarr_data.updates.scroll_to_top(),
+      ActiveRadarrBlock::SystemQueuedEvents => {
+        self.app.data.radarr_data.queued_events.scroll_to_top()
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_end(&mut self) {
+    match self.active_radarr_block {
+      ActiveRadarrBlock::SystemLogs => self.app.data.radarr_data.log_details.scroll_to_bottom(),
+      ActiveRadarrBlock::SystemTasks => self.app.data.radarr_data.tasks.scroll_to_bottom(),
+      ActiveRadarrBlock::SystemUpdates => self.app.data.radarr_data.updates.scroll_to_bottom(),
+      ActiveRadarrBlock::SystemQueuedEvents => {
+        self.app.data.radarr_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_radarr_block {
+      ActiveRadarrBlock::SystemLogs => match self.key {
+        _ if *key == DEFAULT_KEYBINDINGS.left.key => {
+          self
+            .app
+            .data
+            .radarr_data
+            .log_details
+            .items
+            .iter()
+            .for_each(|log| log.scroll_right());
+        }
+        _ if *key == DEFAULT_KEYBINDINGS.right.key => {
+          self
+            .app
+            .data
+            .radarr_data
+            .log_details
+            .items
+            .iter()
+            .for_each(|log| log.scroll_left());
+        }
+        _ => (),
+      },
+      ActiveRadarrBlock::SystemTaskStartConfirmPrompt => handle_prompt_toggle(self.app, self.key),
+      _ => (),
+    }
+  }
+
+  fn handle_submit(&mut self) {
+    match self.active_radarr_block {
+      ActiveRadarrBlock::SystemTasks => {
+        self
+          .app
+          .push_navigation_stack(ActiveRadarrBlock::SystemTaskStartConfirmPrompt.into());
+      }
+      ActiveRadarrBlock::SystemTaskStartConfirmPrompt => {
+        if self.app.data.radarr_data.prompt_confirm {
+          self.app.data.radarr_data.prompt_confirm_action = Some(RadarrEvent::StartTask);
+        }
+
+        self.app.pop_navigation_stack();
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_esc(&mut self) {
+    match self.active_radarr_block {
+      ActiveRadarrBlock::SystemLogs => {
+        self.app.data.radarr_data.reset_log_details_list();
+        self.app.pop_navigation_stack()
+      }
+      ActiveRadarrBlock::SystemQueuedEvents
+      | ActiveRadarrBlock::SystemTasks
+      | ActiveRadarrBlock::SystemUpdates => self.app.pop_navigation_stack(),
+      ActiveRadarrBlock::SystemTaskStartConfirmPrompt => {
+        self.app.pop_navigation_stack();
+        self.app.data.radarr_data.prompt_confirm = false;
+      }
+      _ => (),
+    }
+  }
+
+  fn handle_char_key_event(&mut self) {
+    if SYSTEM_DETAILS_BLOCKS.contains(self.active_radarr_block)
+      && self.key == &DEFAULT_KEYBINDINGS.refresh.key
+    {
+      self.app.should_refresh = true;
+    }
+  }
+}