Start to implement the VideoService list_root_folder method.

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

@@ -0,0 +1,6 @@
+use uuid::Uuid;
+
+pub struct FolderItem {
+    pub id: Option<Uuid>,
+    pub name: String,
+}

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

@@ -0,0 +1,18 @@
+use uuid::Uuid;
+
+pub enum LibraryItemType {
+    VIDEO,
+    FOLDER
+}
+
+pub struct LibraryItem {
+    pub id: Uuid,
+    pub name: String,
+    pub r#type: LibraryItemType,
+}
+
+pub struct ReadLibraryItem {
+    pub id: Option<Uuid>,
+    pub name: String,
+    pub r#type: LibraryItemType,
+}

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

@@ -0,0 +1,3 @@
+pub mod folder;
+pub mod library_item;
+pub mod video;

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

@@ -12,7 +12,7 @@ pub trait VideoFile {}
 
 pub struct Video {
     pub id: Uuid,
-    pub filename: String,
+    pub name: String,
     pub file: Box<dyn VideoFile>,
     pub format: VideoFormat,
 }

backend/domain/src/video/port.rs

@@ -1,11 +1,13 @@
 use uuid::Uuid;
 use crate::video::error::VideoError;
-use crate::video::model::Video;
+use crate::video::model::library_item::{LibraryItem, ReadLibraryItem};
+use crate::video::model::video::Video;
 
 pub trait VideoPort: Send + Sync {
-    fn list_root(&self) -> Result<Vec<Video>, VideoError>;
-    fn list_folder(&self, folder_id: Uuid) -> Result<Vec<Video>, VideoError>;
+    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 clone_box(&self) -> Box<dyn VideoPort>;
 }