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<?php
/*
* Relationship model.
*/
class WPCF_Relationship_Model
{
/**
* Fetch children by post type.
*
* @global object $wpdb
*
* @param type $post
* @param type $post_type
* @param string $data
* @param array $params
* @param array $user_query - Override default query
* @return type
*/
public static function getChildrenByPostType( $post, $post_type, $data, $params = array(), $user_query = array() )
{
if ( empty( $post->ID ) ) {
return array();
}
global $wpdb;
$items = array();
// Merge with user query
$query = wp_parse_args(
$user_query,
array(
'post_type' => $post_type,
'numberposts' => -1,
'post_status' => array('publish', 'pending', 'draft', 'future', 'private'),
'meta_key' => '_wpcf_belongs_' . $post->post_type . '_id',
'meta_value' => $post->ID,
'suppress_filters' => 0,
)
);
// Cleanup data
if ( empty( $data['fields_setting'] ) ) {
$data['fields_setting'] = 'all_cf';
}
// List items
if ( isset( $params['sort'] ) && isset( $params['field'] ) ) {
// Set sorting
$query['order'] = esc_attr( strtoupper( strval( $params['sort'] ) ) );
if ( !preg_match('/^(A|DE)SC$/', $query['order']) ) {
$query['order'] = 'ASC';
}
/*
*
* Order by title
*/
if ( $params['field'] == '_wp_title' ) {
$query['orderby'] = 'title';
$query = apply_filters( 'wpcf_relationship_get_children_query',
$query, $post, $post_type, $data,
esc_attr( $params['field'] ) );
$items = get_posts( $query );
/*
*
* Order by parents
*/
} else if ( $params['field'] == '_wpcf_pr_parent' ) {
$query = apply_filters( 'wpcf_relationship_get_children_query',
$query, $post, $post_type, $data,
esc_attr( $params['field'] ) );
$items = get_posts( $query );
if ( !empty( $items ) ) {
$include = array();
$additional = array();
foreach ( $items as $item ) {
$meta = wpcf_get_post_meta( $item->ID,
'_wpcf_belongs_'
. esc_attr( $params['post_type_sort_parent'] )
. '_id', true );
if ( empty( $meta ) ) {
$additional[] = $item;
continue;
}
$include[intval( $meta )][] = $item;
}
if ( !empty( $include ) ) {
ksort( $include, SORT_NUMERIC );
if ( $query['order'] == 'DESC' ) {
$include = array_reverse( $include );
}
$sorted = array();
foreach ( $include as $meta_value => $posts ) {
foreach ( $posts as $post ) {
$sorted[] = $post;
}
}
$items = array_merge( $sorted, $additional );
}
}
/*
*
* Order by body
*/
} else if ( $params['field'] == '_wp_body' ) {
$_query = "
SELECT p.ID
FROM $wpdb->posts p
WHERE p.post_type = %s
AND p.post_status NOT IN ('auto-draft', 'trash', 'inherit')
ORDER BY p.post_content " . ( ( 'ASC' == $query['order'] ) ? 'ASC' : 'DESC' );
$sorted = $wpdb->get_results( $wpdb->prepare( $_query, $post_type ) );
if ( !empty( $sorted ) ) {
$query['orderby'] = 'post__in';
foreach ( $sorted as $key => $value ) {
$query['post__in'][] = $value->ID;
}
}
$query = apply_filters( 'wpcf_relationship_get_children_query',
$query, $post, $post_type, $data,
esc_attr( $params['field'] ) );
$items = get_posts( $query );
/*
*
*
* Order by custom field
*/
} else {
$field = wpcf_admin_fields_get_field( str_replace( 'wpcf-', '',
$params['field'] ) );
if ( !empty( $field ) ) {
$query['orderby'] = isset( $field['type'] ) && in_array( $field['type'],
array('numeric', 'date') ) ? 'meta_value_num' : 'meta_value';
}
$query = apply_filters( 'wpcf_relationship_get_children_query',
$query, $post, $post_type, $data,
esc_attr( $params['field'] ) );
$items = get_posts( $query );
if ( !empty( $items ) ) {
$include = array();
$additional = array();
foreach ( $items as $item ) {
$meta = wpcf_get_post_meta( $item->ID,
'wpcf-' . $field['slug'], true );
if ( empty( $meta ) ) {
$additional[] = $item;
continue;
}
$check = wpcf_cd_post_edit_field_filter( array(),
$field, $item, 'post-relationship-sort' );
if ( isset( $check['__wpcf_cd_status'] )
&& $check['__wpcf_cd_status'] == 'failed' ) {
$additional[] = $item;
continue;
}
$key = $query['orderby'] == 'meta_value_num' ? intval( $meta ) : strval( $meta );
$include[$key][] = $item;
}
if ( !empty( $include ) ) {
if ( $query['orderby'] == 'meta_value_num' ) {
ksort( $include, SORT_NUMERIC );
} else {
ksort( $include, SORT_STRING );
}
if ( $query['order'] == 'DESC' ) {
$include = array_reverse( $include );
}
$sorted = array();
foreach ( $include as $meta_value => $posts ) {
foreach ( $posts as $post ) {
$sorted[] = $post;
}
}
$items = array_merge( $sorted, $additional );
}
}
}
/**
*
* Regular
*
*/
} else {
$query = apply_filters( 'wpcf_relationship_get_children_query', $query, $post, $post_type, $data );
$items = get_posts( $query );
}
return $items;
}
}