formatting and adding video model

src/rust/core/videos.rs

@@ -1,3 +1,8 @@
+use crate::model::Model;
+use crate::model::Modeling;
+use color_eyre::eyre::eyre;
+use color_eyre::eyre::Result;
+use std::mem::replace;
 use std::path::PathBuf;
 
 #[derive(Clone, Debug, Default, PartialEq)]
@@ -9,9 +14,54 @@ pub struct Video {
     looping: bool,
 }
 
-#[derive(Clone, Debug, Default, PartialEq)]
-pub struct VideoModel {
-    videos: Vec<Video>
+impl Model<Video> {}
+
+impl Modeling for Model<Video> {
+    type Item = Video;
+
+    fn add_item(&mut self, item: Self::Item) -> Result<()> {
+        self.items.push(item);
+        Ok(())
+    }
+
+    fn add_to_db(&mut self, item: Self::Item) -> Result<()> {
+        todo!()
+    }
+
+    fn update_item(
+        &mut self,
+        item: Self::Item,
+        index: i32,
+    ) -> Result<()> {
+        if let Some(current_item) = self.items.get_mut(index as usize)
+        {
+            let _old_song = replace(current_item, item);
+            Ok(())
+        } else {
+            Err(eyre!(
+                "Song doesn't exist in model. Id was {}",
+                index
+            ))
+        }
+    }
+
+    fn get_item(&self, index: i32) -> Option<&Self::Item> {
+        self.items.get(index as usize)
+    }
+
+    fn remove_item(&mut self, index: i32) -> Result<()> {
+        self.items.remove(index as usize);
+        Ok(())
+    }
+
+    fn insert_item(
+        &mut self,
+        item: Self::Item,
+        index: i32,
+    ) -> Result<()> {
+        self.items.insert(index as usize, item);
+        Ok(())
+    }
 }
 
 #[cfg(test)]