get( 'post_type' );
if ( ! $pt || bp_docs_get_post_type_name() !== $pt ) {
return;
}
$post_name = $q->get( 'name' );
if ( ! $post_name ) {
return;
}
// Bypass get_post_by_path().
global $wpdb;
$sql = $wpdb->prepare( "SELECT * FROM {$wpdb->posts} WHERE post_name = %s AND post_type = %s AND post_parent != 0", $post_name, $pt );
$post_id = $wpdb->get_var( $sql );
if ( ! empty( $post_id ) ) {
$q->set( 'p', $post_id );
$q->set( 'name', '' );
$q->set( 'pagename', '' );
$q->set( bp_docs_get_post_type_name(), '' );
}
}
/**
* Registers the post taxonomies with the bp_docs post type
*
* @since 1.0-beta
*
* @param array The $bp_docs_post_type_args array created in BP_Docs::register_post_type()
* @return array $args The modified parameters
*/
function register_with_post_type( $args ) {
$args['hierarchical'] = true;
return $args;
}
/**
* Saves post parent to a doc when saved from the front end
*
* @since 1.0-beta
*
* @param object $query The query object created by BP_Docs_Query
* @return int $post_id Returns the doc's post_id on success
*/
function save_post( $query ) {
if ( empty( $query->doc_id ) ) {
return false;
}
$post_parent = !empty( $_POST['parent_id'] ) ? $_POST['parent_id'] : 0;
$args = array(
'ID' => $query->doc_id,
'post_parent' => $post_parent,
);
// Don't let a revision get saved here
remove_action( 'pre_post_update', 'wp_save_post_revision' );
$post_id = wp_update_post( $args );
add_action( 'pre_post_update', 'wp_save_post_revision' );
if ( $post_id ) {
return $post_id;
} else {
return false;
}
}
/**
* Display a link to the doc's parent
*
* @since 1.0-beta
*/
function show_parent() {
global $post, $wp_query;
$html = '';
$parent = false;
if ( ! empty( $post->post_parent ) ) {
$parent = get_post( $post->post_parent );
if ( !empty( $parent->ID ) ) {
$parent_url = bp_docs_get_doc_link( $parent->ID );
$parent_title = $parent->post_title;
$html = "" . __( 'Parent: ', 'bp-docs' ) . "$parent_title
";
}
}
echo apply_filters( 'bp_docs_hierarchy_show_parent', $html, $parent );
}
/**
* Display links to the doc's children
*
* @since 1.0
*/
function show_children() {
global $bp, $wp_query, $post;
// Get the child posts
$child_posts_args = array(
'post_type' => $bp->bp_docs->post_type_name,
'post_parent' => get_the_ID()
);
$child_posts = new WP_Query( $child_posts_args );
// Workaround for WP funniness
$wp_query_stash = $wp_query;
$post_stash = $post;
// Assemble the link data out of the query
$child_data = array();
if ( $child_posts->have_posts() ) {
while ( $child_posts->have_posts() ) {
$child_posts->the_post();
$child_id = get_the_ID();
$child_data[$child_id] = array(
'post_name' => get_the_title(),
'post_link' => bp_docs_get_doc_link( $child_id )
);
}
}
// Workaround for WP funniness
$wp_query = $wp_query_stash;
$post = $post_stash;
$child_data = apply_filters( 'bp_docs_hierarchy_child_data', $child_data );
// Create the HTML
$html = '';
if ( !empty( $child_data ) ) {
$html .= '' . __( 'Children: ', 'bp-docs' );
$children_html = array();
foreach( $child_data as $child ) {
$children_html[] = '' . $child['post_name'] . '';
}
$html .= implode( ', ', $children_html );
$html .= '
';
}
echo apply_filters( 'bp_docs_hierarchy_show_children', $html, $child_data );
}
/**
* When a Doc is deleted, mark its children as having no parent
*
* @since 1.5
* @param array $args The $delete_args array from bp_docs_trash_dac()
*/
public function deleted_parent( $args ) {
if ( ! isset( $args['ID'] ) ) {
return;
}
$children = get_children( array(
'post_parent' => $args['ID'],
'post_type' => bp_docs_get_post_type_name(),
), ARRAY_A );
foreach ( $children as $cid => $child ) {
wp_update_post( array(
'ID' => $child['ID'],
'post_parent' => 0,
) );
}
}
}