Partially working filtering logic

src/models/mod.rs

@@ -40,7 +40,7 @@ impl<T> Default for StatefulTable<T> {
   }
 }
 
-impl<T: Clone> StatefulTable<T> {
+impl<T: Clone + PartialEq + Eq> StatefulTable<T> {
   pub fn set_items(&mut self, items: Vec<T>) {
     let items_len = items.len();
     self.items = items;
@@ -69,6 +69,55 @@ impl<T: Clone> StatefulTable<T> {
   pub fn select_index(&mut self, index: Option<usize>) {
     self.state.select(index);
   }
+
+  pub fn scroll_up_with_filter<F>(&mut self, filter: F)
+  where
+    F: FnMut(&&T) -> bool,
+  {
+    let filtered_list: Vec<&T> = self.items.iter().filter(filter).collect();
+
+    let element_position = filtered_list
+      .iter()
+      .position(|&item| item == self.current_selection())
+      .unwrap();
+
+    if element_position == 0 {
+      let selected_index = self
+        .items
+        .iter()
+        .position(|item| item == filtered_list[filtered_list.len()]);
+      self.select_index(selected_index);
+    } else {
+      let selected_index = self
+        .items
+        .iter()
+        .position(|item| item == filtered_list[element_position - 1]);
+      self.select_index(selected_index)
+    }
+  }
+
+  pub fn scroll_down_with_filter<F>(&mut self, filter: F)
+  where
+    F: FnMut(&&T) -> bool,
+  {
+    let filtered_list: Vec<&T> = self.items.iter().filter(filter).collect();
+
+    let element_position = filtered_list
+      .iter()
+      .position(|&item| item == self.current_selection())
+      .unwrap();
+
+    if element_position + 1 > filtered_list.len() {
+      let selected_index = self.items.iter().position(|item| item == filtered_list[0]);
+      self.select_index(selected_index);
+    } else {
+      let selected_index = self
+        .items
+        .iter()
+        .position(|item| item == filtered_list[element_position + 1]);
+      self.select_index(selected_index)
+    }
+  }
 }
 
 impl<T> Scrollable for StatefulTable<T> {

src/models/radarr_models.rs

@@ -19,7 +19,7 @@ pub struct SystemStatus {
   pub start_time: DateTime<Utc>,
 }
 
-#[derive(Derivative, Deserialize, Debug, Clone)]
+#[derive(Derivative, Deserialize, Debug, Clone, PartialEq, Eq)]
 #[derivative(Default)]
 #[serde(rename_all = "camelCase")]
 pub struct Movie {
@@ -48,7 +48,7 @@ pub struct Movie {
   pub collection: Option<Collection>,
 }
 
-#[derive(Derivative, Deserialize, Debug, Clone)]
+#[derive(Derivative, Deserialize, Debug, Clone, PartialEq, Eq)]
 #[derivative(Default)]
 #[serde(rename_all = "camelCase")]
 pub struct CollectionMovie {
@@ -62,7 +62,7 @@ pub struct CollectionMovie {
   pub ratings: RatingsList,
 }
 
-#[derive(Deserialize, Derivative, Clone, Debug)]
+#[derive(Deserialize, Derivative, Clone, Debug, PartialEq, Eq)]
 #[derivative(Default)]
 #[serde(rename_all = "camelCase")]
 pub struct Collection {
@@ -75,7 +75,7 @@ pub struct Collection {
   pub movies: Option<Vec<CollectionMovie>>,
 }
 
-#[derive(Deserialize, Derivative, Debug, Clone)]
+#[derive(Deserialize, Derivative, Debug, Clone, PartialEq, Eq)]
 #[derivative(Default)]
 #[serde(rename_all = "camelCase")]
 pub struct MovieFile {
@@ -85,7 +85,7 @@ pub struct MovieFile {
   pub media_info: MediaInfo,
 }
 
-#[derive(Deserialize, Derivative, Debug, Clone)]
+#[derive(Deserialize, Derivative, Debug, Clone, PartialEq, Eq)]
 #[derivative(Default)]
 #[serde(rename_all = "camelCase")]
 pub struct MediaInfo {
@@ -109,7 +109,7 @@ pub struct MediaInfo {
   pub scan_type: String,
 }
 
-#[derive(Default, Deserialize, Debug, Clone)]
+#[derive(Default, Deserialize, Debug, Clone, PartialEq, Eq)]
 #[serde(rename_all = "camelCase")]
 pub struct RatingsList {
   pub imdb: Option<Rating>,
@@ -117,7 +117,7 @@ pub struct RatingsList {
   pub rotten_tomatoes: Option<Rating>,
 }
 
-#[derive(Derivative, Deserialize, Debug, Clone)]
+#[derive(Derivative, Deserialize, Debug, Clone, PartialEq, Eq)]
 #[derivative(Default)]
 pub struct Rating {
   #[derivative(Default(value = "Number::from(0)"))]
@@ -189,7 +189,7 @@ pub enum CreditType {
   Crew,
 }
 
-#[derive(Deserialize, Clone, Debug)]
+#[derive(Deserialize, Clone, Debug, PartialEq, Eq)]
 #[serde(rename_all = "camelCase")]
 pub struct Credit {
   pub person_name: String,