feat: add media file retrieval functionality and update dependencies

libertas_api/src/handlers/media_handlers.rs

@@ -1,14 +1,18 @@
 use axum::{
     Router,
-    extract::{DefaultBodyLimit, Multipart, State},
+    extract::{DefaultBodyLimit, Multipart, Path, Request, State},
     http::StatusCode,
-    response::Json,
-    routing::post,
+    response::{IntoResponse, Json},
+    routing::{get, post},
 };
 use futures::TryStreamExt;
 use libertas_core::{error::CoreError, models::Media, schema::UploadMediaData};
 use serde::Serialize;
-use std::io;
+use std::{io, path::PathBuf};
+
+use tower::ServiceExt;
+use tower_http::services::ServeFile;
+use uuid::Uuid;
 
 use crate::{error::ApiError, middleware::auth::UserId, state::AppState};
 
@@ -36,6 +40,7 @@ impl From<Media> for MediaResponse {
 pub fn media_routes() -> Router<AppState> {
     Router::new()
         .route("/", post(upload_media))
+        .route("/{media_id}/file", get(get_media_file))
         .layer(DefaultBodyLimit::max(250 * 1024 * 1024))
 }
 
@@ -75,3 +80,27 @@ async fn upload_media(
 
     Ok((StatusCode::CREATED, Json(media.into())))
 }
+
+async fn get_media_file(
+    State(state): State<AppState>,
+    UserId(user_id): UserId,
+    Path(media_id): Path<Uuid>,
+    request: Request,
+) -> Result<impl IntoResponse, ApiError> {
+    let storage_path = state
+        .media_service
+        .get_media_filepath(media_id, user_id)
+        .await?;
+
+    let full_path = PathBuf::from(&state.config.media_library_path).join(&storage_path);
+
+    ServeFile::new(full_path)
+        .oneshot(request)
+        .await
+        .map_err(|e| {
+            ApiError::from(CoreError::Io(io::Error::new(
+                io::ErrorKind::NotFound,
+                format!("File not found: {}", e),
+            )))
+        })
+}