hooks();
}
/**
* Registers WordPress actions
*/
private function hooks() {
add_filter( 'the_content', array( $this, 'append_attachments_to_content' ) );
}
/**
* Appends list of attachments to content
*
* @param $content
*
* @return string
*/
public function append_attachments_to_content( $content ) {
global $post;
if ( 'asset' === $post->post_type ) {
$attachments = $this->get_enabled_attachments( $post->ID );
$content .= $this->format_attachments_as_list( $attachments );
}
return $content;
}
/**
* Gets list of enabled attachments
*
* @param $post_id
*
* @return array
*/
private function get_enabled_attachments( $post_id ) {
$attachments = get_posts(
array(
'post_parent' => $post_id,
'post_type' => 'attachment',
'meta_query' => array(
array(
'key' => 'enabled',
'value' => 'true',
'compare' => 'IN'
)
),
'order' => 'ASC',
'orderby' => 'meta_value_num',
'meta_key' => 'order',
'posts_per_page' => - 1
)
);
return $attachments;
}
/**
* Formats attachments as an unordered list
*
* @param $attachments
*
* @return string
*/
private function format_attachments_as_list( $attachments ) {
$content = '
';
foreach ( $attachments as $i => $attach ) {
$asset = new Assets_Manager_Asset( $attach->ID );
if ( $asset->can_serve_asset() ) {
$content .= '- ' . $asset->get_meta( 'title' ) . ' (' . $asset->get_meta( 'extension' ) . ')
';
}
}
$content .= '
';
return $content;
}
}