post_type !== 'podcast') {
return;
}
if (get_post_meta($post->ID, '_podlove_guid', true)) {
return;
}
$guid = self::guid_for_post($post);
update_post_meta($post->ID, '_podlove_guid', $guid);
}
/**
* Generate a guid for a WordPress post object.
*
* @param object $post
*
* @return string the GUID
*/
public static function guid_for_post($post)
{
$segments = [];
$segments[] = apply_filters('podlove_guid_prefix', 'podlove');
$segments[] = apply_filters('podlove_guid_time', gmdate('c'));
$hash = substr(sha1($post->ID.$post->post_title.time()), 0, 15);
$segments[] = apply_filters('podlove_guid_hash', $hash);
return apply_filters('podlove_guid', strtolower(implode('-', $segments)));
}
/**
* Whenever our GUID is available, use it. Fallback to WordPress GUID.
*
* @wp-hook get_the_guid
*
* @param string $guid WordPress GUID
* @param mixed $post_id
*
* @return string
*/
public static function override_wordpress_guid($guid, $post_id = null)
{
if ($podlove_guid = get_post_meta($post_id, '_podlove_guid', true)) {
return $podlove_guid;
}
return $guid;
}
public static function find_duplicate_guids()
{
$published_post_ids = array_map(function ($e) {
return $e->post_id;
}, \Podlove\Model\Podcast::get()->episodes());
$guids = [];
foreach ($published_post_ids as $post_id) {
$guid = get_the_guid($post_id);
if (!array_key_exists($guid, $guids)) {
$guids[$guid] = [$post_id];
} else {
$guids[$guid] = array_merge($guids[$guid], [$post_id]);
}
}
return array_filter($guids, function ($values) {
return count($values) > 1;
});
}
}