85 lines
2.5 KiB
PHP
85 lines
2.5 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright 2022 Ad Aures
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* @license https://www.gnu.org/licenses/agpl-3.0.en.html AGPL3
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* @link https://castopod.org/
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*/
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namespace App\Controllers;
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use App\Models\EpisodeModel;
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use App\Models\PodcastModel;
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use CodeIgniter\Controller;
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use CodeIgniter\Exceptions\PageNotFoundException;
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use CodeIgniter\HTTP\ResponseInterface;
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use Exception;
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use Modules\PremiumPodcasts\Entities\Subscription;
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use Modules\PremiumPodcasts\Models\SubscriptionModel;
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use Opawg\UserAgentsPhp\UserAgentsRSS;
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class FeedController extends Controller
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{
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public function index(string $podcastHandle): ResponseInterface
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{
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helper(['rss', 'premium_podcasts', 'misc']);
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$podcast = (new PodcastModel())->where('handle', $podcastHandle)
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->first();
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if (! $podcast) {
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throw PageNotFoundException::forPageNotFound();
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}
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$service = null;
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try {
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$service = UserAgentsRSS::find($_SERVER['HTTP_USER_AGENT']);
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} catch (Exception $exception) {
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// If things go wrong the show must go on and the user must be able to download the file
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log_message('critical', $exception->getMessage());
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}
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$serviceSlug = '';
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if ($service) {
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$serviceSlug = $service['slug'];
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}
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$subscription = null;
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$token = $this->request->getGet('token');
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if ($token) {
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$subscription = (new SubscriptionModel())->validateSubscription($podcastHandle, $token);
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}
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$cacheName = implode(
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'_',
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array_filter([
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"podcast#{$podcast->id}",
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'feed',
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$service ? $serviceSlug : null,
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$subscription instanceof Subscription ? 'unlocked' : null,
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]),
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);
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if (! ($found = cache($cacheName))) {
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$found = get_rss_feed($podcast, $serviceSlug, $subscription, $token);
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// The page cache is set to expire after next episode publication or a decade by default so it is deleted manually upon podcast update
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$secondsToNextUnpublishedEpisode = (new EpisodeModel())->getSecondsToNextUnpublishedEpisode(
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$podcast->id,
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);
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cache()
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->save(
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$cacheName,
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$found,
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$secondsToNextUnpublishedEpisode
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? $secondsToNextUnpublishedEpisode
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: DECADE,
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);
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}
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return $this->response->setXML($found);
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}
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}
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