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<?php
if ( defined( 'ABSPATH' ) && is_admin() && ! class_exists( 'MB_Include_Exclude' ) ) {
class MB_Include_Exclude {
/**
* Store the current post ID.
*
* @var string
*/
protected static $post_id;
/**
* Check if meta box is displayed or not.
*
* @param bool $show Show or hide meta box.
* @param array $meta_box Meta Box parameters.
*
* @return bool
*/
public static function check( $show, $meta_box ) {
if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
return $show;
}
self::$post_id = self::get_current_post_id();
if ( isset( $meta_box['include'] ) ) {
$show = self::maybe_exclude_include( 'include', $meta_box );
}
if ( isset( $meta_box['exclude'] ) ) {
$show = ! self::maybe_exclude_include( 'exclude', $meta_box );
}
return $show;
}
/**
* Check if meta box is excluded for current post.
*
* @param string $type Accept 'include' or 'exclude'.
* @param array $meta_box Meta box data.
*
* @return bool
*/
protected static function maybe_exclude_include( $type, $meta_box ) {
$conditions = $meta_box[ $type ];
$relation = isset( $conditions['relation'] ) && in_array( strtoupper( $conditions['relation'] ), array( 'AND', 'OR' ), true ) ? strtoupper( $conditions['relation'] ) : 'OR';
// Initial value.
$value = 'OR' === $relation ? false : true;
// For better loop of checking terms.
unset( $conditions['relation'] );
$check_by = array( 'ID', 'parent', 'slug', 'template', 'user_role', 'user_id', 'custom', 'is_child', 'edited_user_role', 'edited_user_id' );
foreach ( $check_by as $by ) {
$func = "check_{$by}";
if ( ! isset( $conditions[ $by ] ) || ! method_exists( __CLASS__, $func ) ) {
continue;
}
$condition = self::$func( $conditions[ $by ], $meta_box );
if ( self::combine( $value, $condition, $relation ) ) {
return $value;
}
// For better loop of checking terms.
unset( $conditions[ $by ] );
}
// By parent taxonomy, including category and post_tag.
// Note that we unset all other parameters, so we can safely loop in the condition array.
if ( empty( $conditions ) ) {
return $value;
}
// Change 'tag' to correct name 'post_tag'.
if ( isset( $conditions['parent_tag'] ) ) {
$conditions['parent_post_tag'] = $conditions['parent_tag'];
unset( $conditions['parent_tag'] );
}
foreach ( $conditions as $key => $terms ) {
if ( 0 !== strpos( $key, 'parent_' ) ) {
continue;
}
$taxonomy = substr( $key, 7 );
$condition = self::check_parent_terms( $taxonomy, $terms );
if ( self::combine( $value, $condition, $relation ) ) {
return $value;
}
unset( $condition[ $key ] );
}
// By taxonomy, including category and post_tag.
// Note that we unset all other parameters, so we can safely loop in the condition array.
if ( empty( $conditions ) ) {
return $value;
}
// Change 'tag' to correct name 'post_tag'.
if ( isset( $conditions['tag'] ) ) {
$conditions['post_tag'] = $conditions['tag'];
unset( $conditions['tag'] );
}
foreach ( $conditions as $key => $terms ) {
$condition = self::check_terms( $key, $terms );
if ( self::combine( $value, $condition, $relation ) ) {
return $value;
}
}
return $value;
}
/**
* Check if current post has specific ID
*
* @param array $ids List of post IDs. Can be array or CSV.
*
* @return bool
*/
protected static function check_ID( $ids ) {
return in_array( self::$post_id, self::csv_to_array( $ids ) );
}
/**
* Check if current post has specific parent.
*
* @param array $ids List post ids.
*
* @return bool
*/
protected static function check_parent( $ids ) {
$post = get_post( self::$post_id );
return $post && in_array( $post->post_parent, self::csv_to_array( $ids ) );
}
/**
* Check if current post has specific slug.
*
* @param array $slugs List post slugs.
*
* @return bool
*/
protected static function check_slug( $slugs ) {
$post = get_post( self::$post_id );
return $post && in_array( $post->post_name, self::csv_to_array( $slugs ) );
}
/**
* Check if current post has specific template
*
* @param array $templates List page templates.
*
* @return bool
*/
protected static function check_template( $templates ) {
$template = get_post_meta( self::$post_id, '_wp_page_template', true );
return in_array( $template, self::csv_to_array( $templates ) );
}
/**
* Check if current post has specific term
*
* @param string $taxonomy Taxonomy name.
* @param array $terms Terms.
*
* @return bool
*/
protected static function check_terms( $taxonomy, $terms ) {
$terms = self::csv_to_array( $terms );
$post_terms = wp_get_post_terms( self::$post_id, $taxonomy );
if ( is_wp_error( $post_terms ) || ! is_array( $post_terms ) || empty( $post_terms ) ) {
return false;
}
foreach ( $post_terms as $post_term ) {
if ( in_array( $post_term->term_id, $terms ) || in_array( $post_term->name, $terms ) || in_array( $post_term->slug, $terms ) ) {
return true;
}
}
return false;
}
/**
* Check if current post has specific term
*
* @param string $taxonomy Taxonomy name.
* @param array $terms Terms.
*
* @return bool
*/
protected static function check_parent_terms( $taxonomy, $terms ) {
$terms = self::csv_to_array( $terms );
$post_terms = wp_get_post_terms( self::$post_id, $taxonomy );
if ( is_wp_error( $post_terms ) || ! is_array( $post_terms ) || empty( $post_terms ) ) {
return false;
}
foreach ( $post_terms as $post_term ) {
if ( empty( $post_term->parent ) ) {
continue;
}
$parent = get_term( $post_term->parent, $taxonomy );
if ( in_array( $parent->term_id, $terms ) || in_array( $parent->name, $terms ) || in_array( $parent->slug, $terms ) ) {
return true;
}
}
return false;
}
/**
* Check by current user role.
*
* @param array|string $roles List of user roles. Array or CSV.
*
* @return bool
*/
protected static function check_user_role( $roles ) {
$user = wp_get_current_user();
$roles = array_map( 'strtolower', self::csv_to_array( $roles ) );
$roles = array_intersect( $user->roles, $roles );
return ! empty( $roles );
}
/**
* Check by current user ID.
*
* @param array|string $user_ids List of user IDs. Array or CSV.
*
* @return bool
*/
protected static function check_user_id( $user_ids ) {
$user_id = get_current_user_id();
return in_array( $user_id, self::csv_to_array( $user_ids ) );
}
/**
* Check by edit user role.
*
* @param array|string $roles List of user roles. Array of CSV.
* @return boolean
*/
protected static function check_edited_user_role( $roles ) {
/*
* If edit another user's profile, get the edited user instead.
* This is required for MB User Meta extension.
*/
if ( isset( $GLOBALS['pagenow'] ) && 'user-edit.php' === $GLOBALS['pagenow'] ) {
// If edit other's profile, check edited user.
$user_id = intval( $_REQUEST['user_id'] );
$user = get_userdata( $user_id );
$roles = array_map( 'strtolower', self::csv_to_array( $roles ) );
$roles = array_intersect( $user->roles, $roles );
return ! empty( $roles );
} elseif ( isset( $GLOBALS['pagenow'] ) && 'profile.php' === $GLOBALS['pagenow'] ) {
// If edit profile, check current user.
return self::check_user_role( $roles );
}
return true;
}
/**
* Check by edited user id.
*
* @param array|string $user_ids List of user ids. Array of CSV.
* @return boolean
*/
protected static function check_edited_user_id( $user_ids ) {
if ( isset( $GLOBALS['pagenow'] ) && 'user-edit.php' === $GLOBALS['pagenow'] ) {
// If edit other's profile, check edited user.
$user_id = intval( $_REQUEST['user_id'] );
return in_array( $user_id, self::csv_to_array( $user_ids ) );
} elseif ( isset( $GLOBALS['pagenow'] ) && 'profile.php' === $GLOBALS['pagenow'] ) {
// If edit profile, check current user.
return self::check_user_id( $user_ids );
}
return true;
}
/**
* Check by custom function
*
* @param array $func Callable.
* @param array $meta_box Meta box data.
*
* @return bool
*/
protected static function check_custom( $func, $meta_box ) {
return is_callable( $func ) ? call_user_func( $func, $meta_box ) : false;
}
/**
* Check the page is child or not
*
* @param bool $value Boolean value.
*
* @return bool
*/
protected static function check_is_child( $value ) {
$post = get_post( self::$post_id );
$is_child = $post && $post->post_parent ? true : false;
return $is_child === $value;
}
/**
* Get current post ID.
*
* @return int|false Post ID if successful. False on failure.
*/
protected static function get_current_post_id() {
$post_id = isset( $_GET['post'] ) ? $_GET['post'] : ( isset( $_POST['post_ID'] ) ? $_POST['post_ID'] : false );
return is_numeric( $post_id ) ? absint( $post_id ) : false;
}
/**
* Convert a comma separated string to array.
*
* @param string $string Comma separated string.
*
* @return array
*/
protected static function csv_to_array( $string ) {
return is_array( $string ) ? $string : array_filter( array_map( 'trim', explode( ',', $string . ',' ) ) );
}
/**
* Combine 2 logical value.
*
* @param bool $value1 First value.
* @param bool $value2 Second value.
* @param string $relation 'OR' or 'AND'.
*
* @return bool Indicator for quick break the check.
*/
protected static function combine( &$value1, $value2, $relation ) {
if ( 'OR' === $relation ) {
$value1 = $value1 || $value2;
return $value1;
}
$value1 = $value1 && $value2;
return ! $value1;
}
}
add_filter( 'rwmb_show', array( 'MB_Include_Exclude', 'check' ), 10, 2 );
}
|