209 lines
6.6 KiB
PHP
209 lines
6.6 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Entity\ApiGenerator;
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use App\Cache\NowPlayingCache;
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use App\Container\LoggerAwareTrait;
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use App\Entity\Api\NowPlaying\CurrentSong;
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use App\Entity\Api\NowPlaying\Listeners;
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use App\Entity\Api\NowPlaying\Live;
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use App\Entity\Api\NowPlaying\NowPlaying;
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use App\Entity\Repository\SongHistoryRepository;
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use App\Entity\Repository\StationQueueRepository;
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use App\Entity\Repository\StationStreamerBroadcastRepository;
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use App\Entity\Song;
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use App\Entity\Station;
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use App\Entity\StationQueue;
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use App\Http\Router;
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use App\Radio\Adapters;
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use Exception;
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use GuzzleHttp\Psr7\Uri;
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use NowPlaying\Result\Result;
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use Psr\Http\Message\UriInterface;
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use RuntimeException;
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final class NowPlayingApiGenerator
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{
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use LoggerAwareTrait;
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public function __construct(
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private readonly SongApiGenerator $songApiGenerator,
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private readonly SongHistoryApiGenerator $songHistoryApiGenerator,
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private readonly StationApiGenerator $stationApiGenerator,
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private readonly StationQueueApiGenerator $stationQueueApiGenerator,
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private readonly SongHistoryRepository $historyRepo,
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private readonly StationQueueRepository $queueRepo,
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private readonly StationStreamerBroadcastRepository $broadcastRepo,
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private readonly Adapters $adapters,
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private readonly Router $router,
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private readonly NowPlayingCache $nowPlayingCache
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) {
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}
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public function __invoke(
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Station $station,
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Result $npResult,
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?NowPlaying $npOld
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): NowPlaying {
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$baseUri = new Uri('');
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// Only update songs directly from NP results if we're not getting them fed to us from the backend.
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$updateSongFromNowPlaying = !$station->getBackendType()->isEnabled();
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if ($updateSongFromNowPlaying && empty($npResult->currentSong->text)) {
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return $this->offlineApi($station, $baseUri);
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}
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$np = new NowPlaying();
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if ($updateSongFromNowPlaying) {
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$np->is_online = $npResult->meta->online;
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} else {
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$np->is_online = $this->adapters->getBackendAdapter($station)?->isRunning($station) ?? false;
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}
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$np->station = $this->stationApiGenerator->__invoke($station, $baseUri);
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$np->listeners = new Listeners(
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total: $npResult->listeners->total,
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unique: $npResult->listeners->unique
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);
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try {
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if ($updateSongFromNowPlaying) {
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$this->historyRepo->updateSongFromNowPlaying(
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$station,
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Song::createFromNowPlayingSong($npResult->currentSong)
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);
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}
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$this->historyRepo->updateListenersFromNowPlaying(
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$station,
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$np->listeners->current
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);
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$history = $this->historyRepo->getVisibleHistory(
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$station,
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$station->getApiHistoryItems() + 1
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);
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$currentSong = array_shift($history);
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if (null === $currentSong) {
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throw new RuntimeException('No current song.');
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}
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} catch (Exception $e) {
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$this->logger->error($e->getMessage(), ['exception' => $e]);
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return $this->offlineApi($station, $baseUri);
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}
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$apiSongHistory = $this->songHistoryApiGenerator->__invoke(
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record: $currentSong,
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baseUri: $baseUri,
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allowRemoteArt: true,
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isNowPlaying: true
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);
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$apiCurrentSong = new CurrentSong();
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$apiCurrentSong->fromParentObject($apiSongHistory);
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$np->now_playing = $apiCurrentSong;
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$np->song_history = $this->songHistoryApiGenerator->fromArray(
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$history,
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$baseUri,
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true
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);
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$nextVisibleSong = $this->queueRepo->getNextVisible($station);
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if (null === $nextVisibleSong) {
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$np->playing_next = $npOld->playing_next ?? null;
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} else {
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$np->playing_next = ($this->stationQueueApiGenerator)(
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$nextVisibleSong,
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$baseUri,
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true
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);
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}
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// Detect and report live DJ status
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$currentStreamer = $station->getCurrentStreamer();
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if (null !== $currentStreamer) {
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$broadcastStart = $this->broadcastRepo->getLatestBroadcast($station)?->getTimestampStart();
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$live = new Live();
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$live->is_live = true;
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$live->streamer_name = $currentStreamer->getDisplayName();
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$live->broadcast_start = $broadcastStart;
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if (0 !== $currentStreamer->getArtUpdatedAt()) {
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$live->art = $this->router->namedAsUri(
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routeName: 'api:stations:streamer:art',
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routeParams: [
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'station_id' => $station->getShortName(),
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'id' => $currentStreamer->getIdRequired(),
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'timestamp' => $currentStreamer->getArtUpdatedAt(),
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],
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);
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}
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$np->live = $live;
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} else {
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$np->live = new Live();
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}
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$np->update();
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return $np;
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}
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public function currentOrEmpty(
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Station $station
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): NowPlaying {
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$np = $this->nowPlayingCache->getForStation($station);
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return $np ?? $this->offlineApi($station);
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}
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private function offlineApi(
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Station $station,
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?UriInterface $baseUri = null
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): NowPlaying {
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$np = new NowPlaying();
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$np->station = $this->stationApiGenerator->__invoke($station, $baseUri);
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$np->listeners = new Listeners();
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$songObj = Song::createOffline($station->getBrandingConfig()->getOfflineText());
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$offlineApiNowPlaying = new CurrentSong();
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$offlineApiNowPlaying->sh_id = 0;
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$offlineApiNowPlaying->song = $this->songApiGenerator->__invoke(
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song: $songObj,
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station: $station,
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baseUri: $baseUri
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);
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$np->now_playing = $offlineApiNowPlaying;
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$np->song_history = $this->songHistoryApiGenerator->fromArray(
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$this->historyRepo->getVisibleHistory($station),
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$baseUri,
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true
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);
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$nextVisible = $this->queueRepo->getNextVisible($station);
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if ($nextVisible instanceof StationQueue) {
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$np->playing_next = ($this->stationQueueApiGenerator)(
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$nextVisible,
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$baseUri,
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true
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);
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}
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$np->live = new Live();
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$np->update();
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return $np;
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}
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}
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