Try to stream the file in handler.

backend/domain/src/video/error.rs

@@ -1,3 +1,4 @@
+#[derive(Debug)]
 pub enum VideoError {
     VideoDoesNotExists,
     FolderDoesNotExists,

backend/exposition/src/lib.rs

@@ -2,7 +2,7 @@ extern crate core;
 
 use actix_web::web::ServiceConfig;
 use actix_web::{get, web, HttpResponse, Responder};
-use crate::video::handler::{download_file, get_root_folder_content};
+use crate::video::handler::{download_file, get_root_folder_content, get_video_stream};
 
 pub mod user;
 pub mod video;
@@ -14,6 +14,7 @@ async fn health() -> impl Responder {
 
 pub fn init(cfg: &mut ServiceConfig) {
     cfg.service(download_file)
+        .service(get_video_stream)
         .service(get_root_folder_content);
     cfg.default_service(web::to(not_found));
 }

backend/exposition/src/video/handler.rs

@@ -28,22 +28,30 @@ pub async fn get_video_stream(
 ) -> impl Responder {
     let video_result = video_service.get_video_stream(video_id.into_inner());
 
+
     match video_result {
         Ok(video) => {
-            if let Some(tokioVideoFile) = video.file.as_any().downcast_ref::<TokioVideoFile>() {
-                HttpResponse::Ok()
+            if let Some(tokio_video_file) = video.file.as_any().downcast_ref::<TokioVideoFile>() {
+                // Clone the file to extend its lifetime into the streaming closure
+                let cloned_file = tokio_video_file.file.try_clone();
+
+                match cloned_file {
+                    Ok(file) => HttpResponse::Ok()
                         .content_type("application/octet-stream")
                         .streaming(async_stream::stream! {
-                    let mut stream = FramedRead::new(tokioVideoFile.file, BytesCodec::new());
+                        let mut stream = FramedRead::new(file, BytesCodec::new());
                         while let Some(chunk) = stream.next().await {
                             yield chunk.map(|bytes| bytes.freeze());
                         }
-                })
+                    }),
+                    Err(_) => HttpResponse::InternalServerError().body("Failed to clone video file")
+                }
+
             } else {
                 HttpResponse::InternalServerError().body("Video file format is not handled.")
             }
         }
-        Err(error) => HttpResponse::InternalServerError().body("C P T")
+        Err(error) => HttpResponse::InternalServerError().body(format!("{:?}", error))
     }
 }
 

backend/infrastructure/src/video/adapter.rs

@@ -123,7 +123,7 @@ impl VideoPort for LibraryItemAdapter {
                             id: video.id,
                             name: video.name,
                             format: AVI,
-                            file: Box::new(TokioVideoFile::new(&video_file_path).map_err(|_| VideoError::FileReadingTechnicalIssue)?)
+                            file: Box::new(TokioVideoFile::new(&video_file_path))
                         };
 
                         Ok(result)

backend/infrastructure/src/video/model.rs

@@ -1,6 +1,6 @@
 use std::any::Any;
+use std::fs::File;
 use std::io::{Error, ErrorKind};
-use tokio::fs::File;
 use uuid::Uuid;
 use lumiere_domain::video::model::library_item::{LibraryItem, LibraryItemType, LibraryRawItem};
 use lumiere_domain::video::model::video::VideoFile;
@@ -10,10 +10,10 @@ pub struct TokioVideoFile {
 }
 
 impl TokioVideoFile {
-    pub fn new(file_path: &String) -> Result<Self, Error> {
-        let rt = tokio::runtime::Runtime::new()?;
-        let file = rt.block_on(async { File::open(file_path).await })?;
-        Ok(Self { file })
+    pub fn new(file_path: &String) -> Self {
+        Self {
+            file: File::open(file_path).expect(format!("Failed to open file {file_path}").as_str())
+        }
     }
 }
 

frontend/src/app/app.html

@@ -9,4 +9,12 @@
     </div>
   }
 </div>
+<div>
+  @if (firstVideo(); as firstVideo) {
+    <video controls>
+      <source src="/api/videos/{{firstVideo.id}}/stream" type="video/mp4">
+      Your browser does not support the html video player.
+    </video>
+  }
+</div>
 <router-outlet />