sintonia/airtime_mvc/application/common/AutoPlaylistManager.php

82 lines
3.3 KiB
PHP

<?php
class AutoPlaylistManager {
/**
* @var int how often, in seconds, to check for and ingest new podcast episodes
*/
private static $_AUTOPLAYLIST_POLL_INTERVAL_SECONDS = 60; // 10 minutes
/**
* Check whether $_AUTOPLAYLIST_POLL_INTERVAL_SECONDS have passed since the last call to
* buildAutoPlaylist
*
* @return bool true if $_AUTOPLAYLIST_POLL_INTERVAL_SECONDS has passed since the last check
*/
public static function hasAutoPlaylistPollIntervalPassed() {
Logging::info("Checking autoplaylist poll");
$lastPolled = Application_Model_Preference::getAutoPlaylistPollLock();
return empty($lastPolled) || (microtime(true) > $lastPolled + self::$_AUTOPLAYLIST_POLL_INTERVAL_SECONDS);
}
/**
* Find all shows with autoplaylists who have yet to have their playlists built and added to the schedule
*
*/
public static function buildAutoPlaylist() {
Logging::info("Checking to run Auto Playlist");
$autoPlaylists = static::_upcomingAutoPlaylistShows();
foreach ($autoPlaylists as $autoplaylist) {
// creates a ShowInstance object to build the playlist in from the ShowInstancesQuery Object
$si = new Application_Model_ShowInstance($autoplaylist->getDbId());
$playlistid = $si->GetAutoPlaylistId();
Logging::info("Scheduling $playlistid");
// call the addPlaylist to show function and don't check for user permission to avoid call to non-existant user object
$sid = $si->getShowId();
$playlistrepeat = new Application_Model_Show($sid);
if ($playlistrepeat->getAutoPlaylistRepeat()) {
$full = false;
while(!$full) {
$si = new Application_Model_ShowInstance($autoplaylist->getDbId());
$si->addPlaylistToShow($playlistid, false);
$ps = $si->getPercentScheduled();
//Logging::info("The total percent scheduled is % $ps");
if ($ps > 100) {
$full = true;
}
}
}
else {
$si->addPlaylistToShow($playlistid, false);
}
$si->setAutoPlaylistBuilt(true);
}
Application_Model_Preference::setAutoPlaylistPollLock(microtime(true));
}
/**
* Find all show instances starting in the next hour with autoplaylists not yet added to the schedule
*
* @return PropelObjectCollection collection of ShowInstance objects
* that have unbuilt autoplaylists
*/
protected static function _upcomingAutoPlaylistShows() {
//setting now so that past shows aren't referenced
$now = new DateTime("now", new DateTimeZone("UTC"));
// only build playlists for shows that start up to an hour from now
$future = clone $now;
$future->add(new DateInterval('PT1H'));
return CcShowInstancesQuery::create()
->filterByDbStarts($now,Criteria::GREATER_THAN)
->filterByDbStarts($future,Criteria::LESS_THAN)
->useCcShowQuery('a', 'left join')
->filterByDbHasAutoPlaylist(true)
->endUse()
->filterByDbAutoPlaylistBuilt(false)
->find();
}
}