/**
* List of episode contributors
*
* **Examples**
*
* Iterating over a list of contributors
*
* ```jinja
* {% for contributor in episode.contributors %}
* {{ contributor.name }}
* {% if not loop.last %}, {% endif %}
* {% endfor %}
* ```
*
* Iterating over a grouped list of contributors
*
* ```jinja
* {% for contributorGroup in episode.contributors({groupby: "group"}) %}
* <strong>{{ contributorGroup.group.title }}:</strong>
* {% for contributor in contributorGroup.contributors %}
* {{ contributor.name }}
* {% if not loop.last %}, {% endif %}
* {% endfor %}
* {% endfor %}
* ```
*
* **Parameters**
*
* - **id:** Fetch one contributor by its id.
* Example: `episode.contributors({id: 'james'}).name`
* - **group:** group slug. If none is given, show all contributors.
* - **role:** role slug. If none is given, show all contributors.
* - **groupby:** group or role slug. Group by "group" or "role".
* If used, the returned data is has another layer for the groups.
* See examples for more details.
* - **order:** Designates the ascending or descending order of the 'orderby' parameter. Defaults to 'ASC'.
* - 'ASC' - ascending order from lowest to highest values (1, 2, 3; a, b, c).
* - 'DESC' - descending order from highest to lowest values (3, 2, 1; c, b, a).
* - **orderby:** Sort contributors by parameter. Defaults to 'position'.
* - 'position' - Order by the contributors position in the episode.
* - 'comment' - Order by the contributors comment in the episode.
*
* @accessor
* @dynamicAccessor episode.contributors
*/
public static function accessorEpisodeContributors($return, $method_name, $episode, $post, $args = array())
{
return $episode->with_blog_scope(function () use($return, $method_name, $episode, $post, $args) {
$defaults = array('order' => 'ASC', 'orderby' => 'position');
$args = wp_parse_args($args, $defaults);
$contributions = EpisodeContribution::find_all_by_episode_id($episode->id);
$contributions = \Podlove\Modules\Contributors\Contributors::orderContributions($contributions, $args);
return \Podlove\Modules\Contributors\Contributors::filterContributions($contributions, $args);
});
}