public function __construct(Unsee_Hash $hash, $imgKey = null)
{
$newImage = is_null($imgKey);
if ($newImage) {
$imgKey = uniqid();
}
parent::__construct($hash->key . '_' . $imgKey);
if ($newImage) {
$keys = Unsee_Image::keys($hash->key . '*');
$this->num = count($keys);
$this->expireAt(time() + $hash->ttl());
}
$this->setSecureParams();
}
/**
* Returns an array of image models assigned to the hash
* @return \Unsee_Image[]
*/
public function getImages()
{
// read files in directory
$imagesKeys = Unsee_Image::keys($this->key . '*');
$imageDocs = array();
foreach ($imagesKeys as $key) {
list(, $imgKey) = explode('_', $key);
$imageDocs[] = new Unsee_Image($this, $imgKey);
}
usort($imageDocs, function ($a, $b) {
if ($a->num === $b->num) {
return 0;
}
return $a->num < $b->num ? -1 : 1;
});
return $imageDocs;
}
