Partial implementation for additional add-movie details. Need to implement selection menus now but that's it!

src/models/mod.rs

@@ -2,7 +2,7 @@ use std::cell::RefCell;
 use std::fmt::{Debug, Display, Formatter};
 
 use serde::Deserialize;
-use tui::widgets::TableState;
+use tui::widgets::{ListState, TableState};
 
 use crate::app::radarr::ActiveRadarrBlock;
 
@@ -28,6 +28,87 @@ pub trait Scrollable {
   fn scroll_to_bottom(&mut self);
 }
 
+pub struct StatefulList<T> {
+  pub state: ListState,
+  pub items: Vec<T>,
+}
+
+impl<T> Default for StatefulList<T> {
+  fn default() -> StatefulList<T> {
+    StatefulList {
+      state: ListState::default(),
+      items: Vec::new(),
+    }
+  }
+}
+
+impl<T> Scrollable for StatefulList<T> {
+  fn scroll_down(&mut self) {
+    let selected_row = match self.state.selected() {
+      Some(i) => {
+        if i >= self.items.len() - 1 {
+          0
+        } else {
+          i + 1
+        }
+      }
+      None => 0,
+    };
+
+    self.state.select(Some(selected_row));
+  }
+
+  fn scroll_up(&mut self) {
+    let selected_row = match self.state.selected() {
+      Some(i) => {
+        if i == 0 {
+          self.items.len() - 1
+        } else {
+          i - 1
+        }
+      }
+      None => 0,
+    };
+
+    self.state.select(Some(selected_row));
+  }
+
+  fn scroll_to_top(&mut self) {
+    self.state.select(Some(0));
+  }
+
+  fn scroll_to_bottom(&mut self) {
+    self.state.select(Some(self.items.len() - 1));
+  }
+}
+
+impl<T: Clone + PartialEq + Eq + Debug> StatefulList<T> {
+  pub fn set_items(&mut self, items: Vec<T>) {
+    let items_len = items.len();
+    self.items = items;
+    if !self.items.is_empty() {
+      let selected_row = self.state.selected().map_or(0, |i| {
+        if i > 0 && i < items_len {
+          i
+        } else if i >= items_len {
+          items_len - 1
+        } else {
+          0
+        }
+      });
+      self.state.select(Some(selected_row));
+    }
+  }
+
+  pub fn current_selection(&self) -> &T {
+    &self.items[self.state.selected().unwrap_or(0)]
+  }
+
+  pub fn current_selection_clone(&self) -> T {
+    self.items[self.state.selected().unwrap_or(0)].clone()
+  }
+}
+
 pub struct StatefulTable<T> {
   pub state: TableState,
   pub items: Vec<T>,