324 lines
9.8 KiB
PHP
324 lines
9.8 KiB
PHP
<?php
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/**
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* @copyright 2020 Podlibre
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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\Models;
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use CodeIgniter\Model;
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class EpisodeModel extends Model
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{
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protected $table = 'episodes';
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protected $primaryKey = 'id';
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protected $allowedFields = [
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'id',
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'podcast_id',
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'guid',
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'title',
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'slug',
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'enclosure_uri',
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'enclosure_duration',
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'enclosure_mimetype',
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'enclosure_filesize',
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'enclosure_headersize',
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'description_markdown',
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'description_html',
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'image_uri',
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'image_mimetype',
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'transcript_uri',
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'chapters_uri',
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'parental_advisory',
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'number',
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'season_number',
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'type',
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'is_blocked',
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'location_name',
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'location_geo',
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'location_osmid',
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'custom_rss',
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'favourites_total',
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'reblogs_total',
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'notes_total',
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'published_at',
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'created_by',
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'updated_by',
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];
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protected $returnType = \App\Entities\Episode::class;
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protected $useSoftDeletes = true;
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protected $useTimestamps = true;
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protected $validationRules = [
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'podcast_id' => 'required',
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'title' => 'required',
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'slug' => 'required|regex_match[/^[a-zA-Z0-9\-]{1,191}$/]',
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'enclosure_uri' => 'required',
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'description_markdown' => 'required',
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'number' => 'is_natural_no_zero|permit_empty',
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'season_number' => 'is_natural_no_zero|permit_empty',
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'type' => 'required',
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'published_at' => 'valid_date|permit_empty',
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'created_by' => 'required',
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'updated_by' => 'required',
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];
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protected $validationMessages = [];
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protected $afterInsert = ['writeEnclosureMetadata', 'clearCache'];
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// clear cache beforeUpdate because if slug changes, so will the episode link
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protected $beforeUpdate = ['clearCache'];
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protected $afterUpdate = ['writeEnclosureMetadata'];
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protected $beforeDelete = ['clearCache'];
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// TODO: remove
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public static $themes = [
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'light-transparent' => [
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'style' =>
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'background-color: #fff; background-image: linear-gradient(45deg, #ccc 12.5%, transparent 12.5%, transparent 50%, #ccc 50%, #ccc 62.5%, transparent 62.5%, transparent 100%); background-size: 5.66px 5.66px;',
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'background' => 'transparent',
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'text' => '#000',
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'inverted' => '#fff',
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],
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'light' => [
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'style' => 'background-color: #fff;',
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'background' => '#fff',
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'text' => '#000',
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'inverted' => '#fff',
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],
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'dark-transparent' => [
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'style' =>
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'background-color: #001f1a; background-image: linear-gradient(45deg, #888 12.5%, transparent 12.5%, transparent 50%, #888 50%, #888 62.5%, transparent 62.5%, transparent 100%); background-size: 5.66px 5.66px;',
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'background' => 'transparent',
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'text' => '#fff',
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'inverted' => '#000',
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],
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'dark' => [
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'style' => 'background-color: #001f1a;',
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'background' => '#001f1a',
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'text' => '#fff',
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'inverted' => '#000',
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],
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];
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/**
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*
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* @param int|string $podcastId Podcast Id or name
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* @param mixed $episodeSlug
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* @return mixed
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*/
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public function getEpisodeBySlug($podcastId, $episodeSlug)
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{
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$cacheName = "podcast#{$podcastId}_episode@{$episodeSlug}";
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if (!($found = cache($cacheName))) {
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$builder = $this->select('episodes.*')
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->where('slug', $episodeSlug)
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->where('`published_at` <= NOW()', null, false);
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if (is_numeric($podcastId)) {
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// passed argument is the podcast id
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$builder->where('podcast_id', $podcastId);
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} else {
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// passed argument is the podcast name, must perform join
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$builder
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->join('podcasts', 'podcasts.id = episodes.podcast_id')
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->where('podcasts.name', $podcastId);
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}
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$found = $builder->first();
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cache()->save($cacheName, $found, DECADE);
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}
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return $found;
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}
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public function getEpisodeById($episodeId)
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{
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// TODO: episode id should be a composite key. The cache should include podcast_id.
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$cacheName = "podcast_episode#{$episodeId}";
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if (!($found = cache($cacheName))) {
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$builder = $this->where([
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'id' => $episodeId,
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]);
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$found = $builder->first();
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cache()->save($cacheName, $found, DECADE);
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}
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return $found;
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}
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public function getPublishedEpisodeById($podcastId, $episodeId)
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{
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$cacheName = "podcast#{$podcastId}_episode#{$episodeId}_published";
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if (!($found = cache($cacheName))) {
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$found = $this->where([
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'id' => $episodeId,
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])
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->where('podcast_id', $podcastId)
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->where('`published_at` <= NOW()', null, false)
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->first();
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cache()->save($cacheName, $found, DECADE);
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}
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return $found;
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}
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/**
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* Gets all episodes for a podcast ordered according to podcast type
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* Filtered depending on year or season
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*
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* @param int $podcastId
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*
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* @return \App\Entities\Episode[]
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*/
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public function getPodcastEpisodes(
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int $podcastId,
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string $podcastType,
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string $year = null,
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string $season = null
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): array {
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$cacheName = implode(
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'_',
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array_filter([
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"podcast#{$podcastId}",
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$year,
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$season ? 'season' . $season : null,
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'episodes',
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]),
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);
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if (!($found = cache($cacheName))) {
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$where = [
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'podcast_id' => $podcastId,
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];
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if ($year) {
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$where['YEAR(published_at)'] = $year;
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$where['season_number'] = null;
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}
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if ($season) {
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$where['season_number'] = $season;
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}
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if ($podcastType == 'serial') {
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// podcast is serial
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$found = $this->where($where)
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->where('`published_at` <= NOW()', null, false)
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->orderBy('season_number DESC, number ASC')
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->findAll();
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} else {
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$found = $this->where($where)
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->where('`published_at` <= NOW()', null, false)
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->orderBy('published_at', 'DESC')
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->findAll();
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}
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$secondsToNextUnpublishedEpisode = $this->getSecondsToNextUnpublishedEpisode(
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$podcastId,
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);
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cache()->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 $found;
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}
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/**
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* Returns the timestamp difference in seconds between the next episode to publish and the current timestamp
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* Returns false if there's no episode to publish
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*
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* @param int $podcastId
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*
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* @return int|false seconds
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*/
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public function getSecondsToNextUnpublishedEpisode(int $podcastId)
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{
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$result = $this->select(
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'TIMESTAMPDIFF(SECOND, NOW(), `published_at`) as timestamp_diff',
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)
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->where([
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'podcast_id' => $podcastId,
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])
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->where('`published_at` > NOW()', null, false)
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->orderBy('published_at', 'asc')
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->get()
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->getResultArray();
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return (int) $result ? $result[0]['timestamp_diff'] : false;
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}
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protected function writeEnclosureMetadata(array $data)
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{
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helper('id3');
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$episode = (new EpisodeModel())->find(
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is_array($data['id']) ? $data['id'][0] : $data['id'],
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);
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write_enclosure_tags($episode);
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return $data;
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}
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public function clearCache(array $data)
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{
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$episode = (new EpisodeModel())->find(
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is_array($data['id']) ? $data['id'][0] : $data['id'],
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);
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// delete cache for rss feed
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cache()->deleteMatching("podcast#{$episode->podcast_id}_feed*");
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// delete model requests cache
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cache()->delete("podcast#{$episode->podcast_id}_episodes");
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cache()->delete("podcast_episode#{$episode->id}");
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cache()->deleteMatching(
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"podcast#{$episode->podcast_id}_episode#{$episode->id}*",
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);
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cache()->delete(
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"podcast#{$episode->podcast_id}_episode@{$episode->slug}",
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);
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cache()->deleteMatching(
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"page_podcast#{$episode->podcast_id}_activity*",
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);
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cache()->deleteMatching(
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"page_podcast#{$episode->podcast_id}_episode#{$episode->id}_*",
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);
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cache()->deleteMatching('page_credits_*');
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if ($episode->season_number) {
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cache()->deleteMatching("podcast#{$episode->podcast_id}_season*");
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cache()->deleteMatching(
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"page_podcast#{$episode->podcast_id}_episodes_season*",
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);
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} else {
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cache()->deleteMatching("podcast#{$episode->podcast_id}_year*");
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cache()->deleteMatching(
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"page_podcast#{$episode->podcast_id}_episodes_year*",
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);
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}
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// delete query cache
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cache()->delete("podcast#{$episode->podcast_id}_defaultQuery");
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cache()->delete("podcast#{$episode->podcast_id}_years");
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cache()->delete("podcast#{$episode->podcast_id}_seasons");
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return $data;
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}
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}
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