/**
* Updates the dates on the parent album.
*
* @param \Photo\Model\Photo $photo
*/
protected function photoPersisted($photo)
{
$album = $photo->getAlbum();
// Update start and end date if the added photo is newer or older
$albumStartDateTime = $album->getStartDateTime();
if (is_null($albumStartDateTime) || $albumStartDateTime->getTimestamp() > $photo->getDateTime()->getTimeStamp()) {
$album->setStartDateTime($photo->getDateTime());
}
$albumEndDateTime = $album->getEndDateTime();
if (is_null($albumEndDateTime) || $albumEndDateTime->getTimestamp() < $photo->getDateTime()->getTimeStamp()) {
$photo->getAlbum()->setEndDateTime($photo->getDateTime());
}
}
/**
* Returns the previous photo in the album to display
*
* @param \Photo\Model\Photo $photo
*
* @return \Photo\Model\Album|null Photo if there is a previous
* photo, null otherwise
*/
public function getPreviousPhoto($photo)
{
$qb = $this->em->createQueryBuilder();
$qb->select('a')->from('Photo\\Model\\Photo', 'a')->where('a.dateTime < ?1 AND a.album = ?2')->setParameter(1, $photo->getDateTime())->setParameter(2, $photo->getAlbum())->orderBy('a.dateTime', 'DESC')->setMaxResults(1);
$res = $qb->getQuery()->getResult();
return empty($res) ? null : $res[0];
}
/**
* Determine the preference rating of the photo.
*
* @param \Photo\Model\Photo $photo
* @param integer $occurences
* @return float
*/
public function ratePhoto($photo, $occurences)
{
$tagged = $photo->getTags()->count() > 0;
$now = new \DateTime();
$age = $now->diff($photo->getDateTime(), true)->days;
$res = $occurences * (1 + 1 / $age);
return $tagged ? 1.5 * $res : $res;
}
