/**
* Try to guess next episode number/id from previous slug.
*
* The slug is expected to consist of the podcast slug and the episode number.
* Something like these: cre162, ppp000, wrint42
* I am looking for the first number and add one. If there is no episode,
* start with number 1.
*
* Add leading zeroes if it is configured.
*
* @return string episode number/id with or without leading zeroes
*/
public function guess_next_episode_id_for_show()
{
// try to derive next number from previous episode slug
$number = 1;
$episode = Model\Episode::last();
if ($episode && preg_match("/\\d+/", $episode->slug, $matches)) {
$number = (int) $matches[0] + 1;
}
$number = "{$number}";
// add leading zeros
$leading_zeros = $this->get_module_option('leading_zeros', 3);
if ($leading_zeros !== 'no') {
while (strlen($number) < $leading_zeros) {
$number = "0{$number}";
}
}
return $number;
}
