Implement the service to list items in the root folder.

backend/domain/src/video/model/library_item.rs

@@ -1,3 +1,4 @@
+use std::io::Read;
 use uuid::Uuid;
 
 pub enum LibraryItemType {
@@ -15,4 +16,13 @@ pub struct ReadLibraryItem {
     pub id: Option<Uuid>,
     pub name: String,
     pub r#type: LibraryItemType,
+}
+impl ReadLibraryItem {
+    pub fn map_to_library_item(&self) -> LibraryItem {
+        LibraryItem {
+            id: self.id.unwrap_or(Uuid::new_v4()),
+            name: self.name,
+            r#type: self.r#type,
+        }
+    }
 }

backend/domain/src/video/port.rs

@@ -7,7 +7,7 @@ pub trait VideoPort: Send + Sync {
     fn list_root_folder(&self) -> Result<Vec<ReadLibraryItem>, VideoError>;
     fn list_folder(&self, folder_id: Uuid) -> Result<Vec<ReadLibraryItem>, VideoError>;
     fn get_video_stream(&self, video_id: Uuid) -> Result<Video, VideoError>;
-    fn save(&self, library_item: LibraryItem) -> Result<(), VideoError>;
+    fn save(&self, library_item: &LibraryItem) -> Result<(), VideoError>;
     fn clone_box(&self) -> Box<dyn VideoPort>;
 }