various: simplify code; work on security and performance

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I9a5114addcab5fbff430ab2b919b83466a6a6964

crates/pinakes-server/src/routes/transcode.rs

@@ -0,0 +1,63 @@
+use axum::Json;
+use axum::extract::{Path, Query, State};
+use uuid::Uuid;
+
+use crate::dto::*;
+use crate::error::ApiError;
+use crate::state::AppState;
+
+use pinakes_core::model::MediaId;
+
+pub async fn start_transcode(
+    State(state): State<AppState>,
+    Path(id): Path<Uuid>,
+    Json(req): Json<CreateTranscodeRequest>,
+) -> Result<Json<serde_json::Value>, ApiError> {
+    let job_id = state
+        .job_queue
+        .submit(pinakes_core::jobs::JobKind::Transcode {
+            media_id: MediaId(id),
+            profile: req.profile,
+        })
+        .await;
+    Ok(Json(serde_json::json!({"job_id": job_id.to_string()})))
+}
+
+pub async fn get_session(
+    State(state): State<AppState>,
+    Path(id): Path<Uuid>,
+) -> Result<Json<TranscodeSessionResponse>, ApiError> {
+    let session = state.storage.get_transcode_session(id).await?;
+    Ok(Json(TranscodeSessionResponse::from(session)))
+}
+
+pub async fn list_sessions(
+    State(state): State<AppState>,
+    Query(params): Query<PaginationParams>,
+) -> Result<Json<Vec<TranscodeSessionResponse>>, ApiError> {
+    let _ = params; // reserved for future filtering
+    let sessions = state.storage.list_transcode_sessions(None).await?;
+    Ok(Json(
+        sessions
+            .into_iter()
+            .map(TranscodeSessionResponse::from)
+            .collect(),
+    ))
+}
+
+pub async fn cancel_session(
+    State(state): State<AppState>,
+    Path(id): Path<Uuid>,
+) -> Result<Json<serde_json::Value>, ApiError> {
+    if let Some(transcode_service) = &state.transcode_service {
+        transcode_service
+            .cancel_transcode(id, &state.storage)
+            .await?;
+    } else {
+        state
+            .storage
+            .update_transcode_status(id, pinakes_core::transcode::TranscodeStatus::Cancelled, 0.0)
+            .await?;
+    }
+    Ok(Json(serde_json::json!({"cancelled": true})))
+}