383 lines
14 KiB
Rust
383 lines
14 KiB
Rust
//! Extension pour l'initialisation des canaux de streaming Radio Paradise
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//!
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//! Ce module fournit un trait d'extension pour démarrer les pipelines de streaming
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//! Radio Paradise avec caching audio/covers et historique.
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use anyhow::{Context, Result};
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use async_trait::async_trait;
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use axum::{
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Json, Router,
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body::Body,
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extract::{Path, State},
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http::{
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StatusCode,
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header::{ACCEPT_RANGES, CACHE_CONTROL, CONNECTION, CONTENT_TYPE},
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},
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response::{IntoResponse, Response},
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routing::get,
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};
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use pmoaudiocache::{AudioCacheExt, Cache as AudioCache, get_audio_cache, register_audio_cache};
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use pmocovers::{Cache as CoverCache, CoverCacheExt, get_cover_cache, register_cover_cache};
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use pmoparadise::{
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ParadiseChannelManager, ParadiseHistoryBuilder,
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channels::{ALL_CHANNELS, ChannelDescriptor},
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stream_channel::register_global_channel_manager,
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};
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use pmoplaylist::register_audio_cache as register_playlist_audio_cache;
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use pmoplaylist::{self, PlaylistEventKind};
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use std::sync::Arc;
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use tokio_util::io::ReaderStream;
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use tracing::{error, info};
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/// État partagé pour les routes de streaming Paradise
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#[derive(Clone)]
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pub struct ParadiseStreamingState {
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pub manager: Arc<ParadiseChannelManager>,
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}
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/// Extension trait pour initialiser les canaux de streaming Radio Paradise
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#[async_trait]
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pub trait ParadiseStreamingExt {
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/// Initialise les canaux de streaming Radio Paradise avec caching
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///
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/// Cette méthode :
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/// - Crée les caches audio et covers
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/// - Initialise le ParadiseChannelManager avec historique
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/// - Ajoute les routes de streaming HTTP (flac, ogg, history, metadata)
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///
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/// # Routes créées
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///
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/// Pour chaque canal (main, mellow, rock, eclectic) :
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/// - `/radioparadise/stream/{slug}/flac` - Stream FLAC live
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/// - `/radioparadise/stream/{slug}/ogg` - Stream OGG live
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/// - `/radioparadise/stream/{slug}/historic/{client_id}/flac` - Historique FLAC
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/// - `/radioparadise/stream/{slug}/historic/{client_id}/ogg` - Historique OGG
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/// - `/radioparadise/metadata/{slug}` - Métadonnées en temps réel
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///
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/// # Exemples
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///
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/// ```ignore
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/// use pmomediaserver::ParadiseStreamingExt;
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///
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/// server.init_paradise_streaming().await?;
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/// ```
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async fn init_paradise_streaming(&mut self) -> Result<Arc<ParadiseChannelManager>>;
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}
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#[async_trait]
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impl ParadiseStreamingExt for pmoserver::Server {
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async fn init_paradise_streaming(&mut self) -> Result<Arc<ParadiseChannelManager>> {
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info!("🎵 Initializing Radio Paradise streaming channels...");
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// Sentinel log pour vérifier qu'on exécute bien cette version du binaire
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tracing::warn!(
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"🔍 Rien de neuf: entering init_paradise_streaming with caches+history setup"
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);
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// Récupérer ou initialiser les caches singletons
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info!("📦 Getting cache singletons...");
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let cover_cache = match get_cover_cache() {
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Some(cache) => {
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info!(" ✅ Using existing cover cache singleton");
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cache
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}
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None => {
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info!(" 📦 Initializing new cover cache singleton");
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let cache = self
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.init_cover_cache_configured()
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.await
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.context("Failed to initialize cover cache")?;
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register_cover_cache(cache.clone());
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cache
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}
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};
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let audio_cache = match get_audio_cache() {
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Some(cache) => {
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info!(" ✅ Using existing audio cache singleton");
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// S'assurer qu'il est aussi enregistré dans le playlist manager
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register_playlist_audio_cache(cache.clone());
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cache
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}
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None => {
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info!(" 📦 Initializing new audio cache singleton");
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let cache = self
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.init_audio_cache_configured()
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.await
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.context("Failed to initialize audio cache")?;
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register_audio_cache(cache.clone());
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register_playlist_audio_cache(cache.clone());
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cache
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}
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};
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// Créer le builder d'historique
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let mut history_builder = ParadiseHistoryBuilder::default();
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history_builder.playlist_prefix = "radio-paradise-history".into();
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history_builder.playlist_title_prefix = Some("Radio Paradise History".into());
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history_builder.max_history_tracks = Some(500);
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history_builder.collection_prefix = Some("radioparadise".into());
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history_builder.replay_max_lead_seconds = 1.0;
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// Créer le manager de canaux
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let base_url = Some(self.base_url());
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info!(
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"📡 Creating ParadiseChannelManager (base_url={:?})...",
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base_url
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);
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// Si la création bloque (réseau RP lent), on coupe après 30s pour ne pas empêcher le serveur de démarrer.
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let manager = match tokio::time::timeout(
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std::time::Duration::from_secs(30),
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ParadiseChannelManager::with_defaults_with_cover_cache(
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Some(cover_cache.clone()),
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Some(history_builder),
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base_url,
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),
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)
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.await
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{
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Ok(Ok(mgr)) => {
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info!("✅ ParadiseChannelManager created");
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Arc::new(mgr)
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}
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Ok(Err(e)) => {
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tracing::warn!("⚠️ Failed to create ParadiseChannelManager: {}", e);
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return Err(e).context("Failed to create ParadiseChannelManager");
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}
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Err(_) => {
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let msg = "Timeout creating ParadiseChannelManager after 30s";
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tracing::warn!("⚠️ {}", msg);
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return Err(anyhow::anyhow!(msg));
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}
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};
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register_global_channel_manager(manager.clone());
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spawn_playlist_event_handler(manager.clone());
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let state = Arc::new(ParadiseStreamingState {
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manager: manager.clone(),
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});
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// Ajouter les routes pour chaque canal
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info!("🌐 Registering streaming routes...");
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for descriptor in ALL_CHANNELS.iter() {
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let slug = descriptor.slug;
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let channel_id = descriptor.id;
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// Route FLAC live
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let flac_path = format!("/radioparadise/stream/{}/flac", slug);
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self.add_handler_with_state(
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&flac_path,
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move |State(state): State<Arc<ParadiseStreamingState>>| {
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let manager = state.manager.clone();
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async move { stream_flac(manager, channel_id).await }
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},
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state.clone(),
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)
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.await;
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// Route OGG live
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let ogg_path = format!("/radioparadise/stream/{}/ogg", slug);
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self.add_handler_with_state(
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&ogg_path,
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move |State(state): State<Arc<ParadiseStreamingState>>| {
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let manager = state.manager.clone();
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async move { stream_ogg(manager, channel_id).await }
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},
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state.clone(),
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)
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.await;
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// Routes historique
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let history_path = format!("/radioparadise/stream/{}/historic", slug);
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let history_router = Router::new()
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.route(
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"/{client_id}/flac",
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get({
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let manager = manager.clone();
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move |Path(client_id): Path<String>| {
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let manager = manager.clone();
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async move { stream_history_flac(manager, channel_id, client_id).await }
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}
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}),
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)
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.route(
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"/{client_id}/ogg",
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get({
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let manager = manager.clone();
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move |Path(client_id): Path<String>| {
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let manager = manager.clone();
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async move { stream_history_ogg(manager, channel_id, client_id).await }
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}
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}),
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);
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self.add_router(&history_path, history_router).await;
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// Route métadonnées
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let meta_path = format!("/radioparadise/metadata/{}", slug);
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self.add_handler_with_state(
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&meta_path,
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move |State(state): State<Arc<ParadiseStreamingState>>| {
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let manager = state.manager.clone();
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async move { get_metadata(manager, channel_id).await }
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},
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state.clone(),
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)
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.await;
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info!(
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" ✅ {} - /radioparadise/stream/{}/{{flac,ogg}}",
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descriptor.display_name, slug
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);
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}
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info!("✅ Radio Paradise streaming channels initialized");
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Ok(manager)
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}
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}
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// ============================================================================
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// Handlers de streaming
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// ============================================================================
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async fn stream_flac(
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manager: Arc<ParadiseChannelManager>,
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channel_id: u8,
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) -> Result<Response, StatusCode> {
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let channel = manager.get(channel_id).ok_or(StatusCode::NOT_FOUND)?;
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let stream = channel.subscribe_flac();
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Ok(Response::builder()
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.status(StatusCode::OK)
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.header(CONTENT_TYPE, "audio/flac")
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.header(CACHE_CONTROL, "no-store, no-transform")
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.header(CONNECTION, "keep-alive")
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.header(ACCEPT_RANGES, "none")
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.body(Body::from_stream(ReaderStream::new(stream)))
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.unwrap())
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}
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async fn stream_ogg(
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manager: Arc<ParadiseChannelManager>,
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channel_id: u8,
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) -> Result<Response, StatusCode> {
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let channel = manager.get(channel_id).ok_or(StatusCode::NOT_FOUND)?;
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let stream = channel.subscribe_ogg();
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Ok(Response::builder()
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.status(StatusCode::OK)
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.header(CONTENT_TYPE, "application/ogg")
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.header(CACHE_CONTROL, "no-store, no-transform")
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.header(CONNECTION, "keep-alive")
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.header(ACCEPT_RANGES, "none")
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.body(Body::from_stream(ReaderStream::new(stream)))
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.unwrap())
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}
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async fn get_metadata(
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manager: Arc<ParadiseChannelManager>,
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channel_id: u8,
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) -> Result<impl IntoResponse, StatusCode> {
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let channel = manager.get(channel_id).ok_or(StatusCode::NOT_FOUND)?;
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let metadata = channel.metadata().await;
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Ok(Json(metadata))
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}
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async fn stream_history_flac(
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manager: Arc<ParadiseChannelManager>,
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channel_id: u8,
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client_id: String,
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) -> Result<Response, StatusCode> {
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let channel = manager.get(channel_id).ok_or(StatusCode::NOT_FOUND)?;
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let stream = channel.stream_history_flac(&client_id).await.map_err(|e| {
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error!(
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"Failed to start historical FLAC stream for channel {} (client_id={}): {}",
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channel_id, client_id, e
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);
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StatusCode::INTERNAL_SERVER_ERROR
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})?;
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Ok(Response::builder()
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.status(StatusCode::OK)
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.header(CONTENT_TYPE, "audio/flac")
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.header(CACHE_CONTROL, "no-store, no-transform")
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.header(CONNECTION, "keep-alive")
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.header(ACCEPT_RANGES, "none")
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.body(Body::from_stream(ReaderStream::new(stream)))
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.unwrap())
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}
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async fn stream_history_ogg(
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manager: Arc<ParadiseChannelManager>,
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channel_id: u8,
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client_id: String,
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) -> Result<Response, StatusCode> {
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let channel = manager.get(channel_id).ok_or(StatusCode::NOT_FOUND)?;
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let stream = channel.stream_history_ogg(&client_id).await.map_err(|e| {
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error!(
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"Failed to start historical OGG stream for channel {} (client_id={}): {}",
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channel_id, client_id, e
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);
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StatusCode::INTERNAL_SERVER_ERROR
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})?;
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Ok(Response::builder()
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.status(StatusCode::OK)
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.header(CONTENT_TYPE, "application/ogg")
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.header(CACHE_CONTROL, "no-store, no-transform")
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.header(CONNECTION, "keep-alive")
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.header(ACCEPT_RANGES, "none")
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.body(Body::from_stream(ReaderStream::new(stream)))
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.unwrap())
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}
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fn spawn_playlist_event_handler(manager: Arc<ParadiseChannelManager>) {
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tokio::spawn(async move {
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let mut rx = pmoplaylist::subscribe_events();
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while let Ok(envelope) = rx.recv().await {
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if let PlaylistEventKind::TrackPlayed { cache_pk, .. } = envelope.event.kind {
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if let Some(descriptor) = channel_from_live_playlist(&envelope.event.playlist_id) {
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if let Err(e) = manager.prefetch_until_horizon(descriptor.id).await {
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tracing::warn!(
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"Failed to prefetch for channel {}: {}",
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descriptor.display_name,
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e
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);
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}
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if let Err(e) = append_track_to_history(descriptor, &cache_pk).await {
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tracing::warn!(
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"Failed to update history for channel {}: {}",
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descriptor.display_name,
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e
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);
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}
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}
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}
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}
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});
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}
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fn channel_from_live_playlist(playlist_id: &str) -> Option<&'static ChannelDescriptor> {
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const PREFIX: &str = "radio-paradise-live-";
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let slug = playlist_id.strip_prefix(PREFIX)?;
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ALL_CHANNELS
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.iter()
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.find(|descriptor| descriptor.slug == slug)
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}
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async fn append_track_to_history(descriptor: &ChannelDescriptor, cache_pk: &str) -> Result<()> {
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let playlist_id = format!("radio-paradise-history-{}", descriptor.slug);
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let manager = pmoplaylist::PlaylistManager();
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let handle = manager
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.get_persistent_write_handle(playlist_id.clone())
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.await
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.with_context(|| format!("Failed to get history playlist {}", playlist_id))?;
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if handle.contains_pk(cache_pk).await? {
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return Ok(());
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}
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handle
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.push(cache_pk.to_string())
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.await
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.with_context(|| format!("Failed to append {} to {}", cache_pk, playlist_id))?;
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Ok(())
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}
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