I have one Custom Post Type 'story' and two taxonomies, 'artist' and 'writer'.
I have managed to get a Custom Permalink Structure like /%artist/%writer%/%story% by doing this (resumed code):
add_action('init', 'custom_init');
add_filter('post_type_link', 'story_permalink', 10, 3);
function custom_init(){
$story = array(
'query_var' => true,
'rewrite' => false,
);
$artist = array(
'query_var' => true,
'rewrite' => true
);
$writer = array(
'query_var' => true,
'rewrite' => true
);
register_post_type('story', $story);
register_taxonomy('artist', 'story', $artist);
register_taxonomy('writer', 'story', $writer);
global $wp_rewrite;
$story_structure = '/%artist%/%writer%/%story%';
$wp_rewrite->add_rewrite_tag("%story%", '([^/]+)', "story=");
$wp_rewrite->add_permastruct('story', $story_structure, false);
}
function story_permalink($permalink, $post_id, $leavename){
$post = get_post($post_id);
$rewritecode = array(
'%artist%',
'%writer%',
$leavename? '' : '%postname%',
$leavename? '' : '%pagename%',
);
if('' != $permalink && !in_array($post->post_status, array('draft', 'pending', 'auto-draft'))){
if (strpos($permalink, '%artist%') !== FALSE){
$terms = wp_get_object_terms($post->ID, 'artist');
if (!is_wp_error($terms) && !empty($terms) && is_object($terms[0])) $artist = $terms[0]->slug;
else $artist = 'unassigned-artist';
}
if (strpos($permalink, '%writer%') !== FALSE){
$terms = wp_get_object_terms($post->ID, 'writer');
if (!is_wp_error($terms) && !empty($terms) && is_object($terms[0])) $writer = $terms[0]->slug;
else $writer = 'unassigned-writer';
}
$rewritereplace = array(
$artist,
$writer,
$post->post_name,
$post->post_name,
);
$permalink = str_replace($rewritecode, $rewritereplace, $permalink);
}
else{
}
return $permalink;
}
That gives me something like /jason/john/the-cat-is-under-the-table.
But the structures that I really need are:
/artists/%artist%
/writers/%writer%
/stories/%story%
Maybe is too easy, but can't really figure out how to get this done because I don't know how to deal with Custom Post Types and Taxonomies in an homogeneized Custom Permalink Structure.
Any help to solve this will be greatly appreciated.