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<?php
/**
* Types API
*
* API should be call to /classes/ wrapper.
* Use global $wpcf_api to add new objects.
*
* @since Types 1.2
*/
/**
* Gets field.
*
* @param string $field
* @param string $meta_type
* @return array
*/
function types_get_field( $field, $meta_type = 'postmeta' ) {
static $cache = array();
$cache_key = md5( strval( $field ) . strval( $meta_type ) );
if ( isset( $cache[$cache_key] ) ) {
return $cache[$cache_key];
}
WPCF_Loader::loadInclude( 'fields' );
switch ( $meta_type ) {
case 'usermeta':
$meta_type_key = 'wpcf-usermeta';
break;
case 'termmeta':
$meta_type_key = 'wpcf-termmeta';
break;
default:
$meta_type_key = 'wpcf-fields';
break;
}
$cache[$cache_key] = wpcf_admin_fields_get_field( strval( $field ), false,
false, false, $meta_type_key );
return $cache[$cache_key];
}
/**
* Get fields.
*
* @global type $wpcf
* @param mixed $args Various args
* @param string $toolset Useful in hooks
* @return All filtered fields
*/
function types_get_fields( $args = array(), $toolset = 'types' ){
static $cache = array();
$cache_key = md5( serialize( func_get_args() ) );
if ( isset( $cache[$cache_key] ) ) {
return $cache[$cache_key];
}
$fields = WPCF_Fields::getFields( $args, $toolset );
$cache[$cache_key] = $fields;
return $cache[$cache_key];
}
/**
* Gets field meta value.
*
* @global type $wpcf
* @param type $field
* @param type $post_id
* @return type
*/
function types_get_field_meta_value( $field, $post_id = null, $raw = false ) {
return wpcf_api_field_meta_value( $field, $post_id, $raw );
}
/**
* Gets field meta value.
*
* @global type $wpcf
* @param type $field
* @param type $post_id
* @return type
*/
function wpcf_api_field_meta_value( $field, $post_id = null, $raw = false ) {
static $cache = array();
$cache_key = md5( serialize( func_get_args() ) );
if ( isset( $cache[$cache_key] ) ) {
return $cache[$cache_key];
}
global $wpcf;
// Get field
if ( !is_array( $field ) ) {
$field = types_get_field( $field );
if ( empty( $field ) ) {
return NULL;
}
}
// See if repetitive
if ( wpcf_admin_is_repetitive( $field ) ) {
return wpcf_api_field_meta_value_repetitive( $field, $post_id );
}
// Set post
if ( !is_null( $post_id ) ) {
if ( !$post_id = absint( $post_id ) ) {
return NULL;
}
$post = get_post( $post_id );
} else {
global $post;
}
if ( empty( $post->ID ) ) {
return NULL;
}
// Set field
$wpcf->field->set( $post, $field );
$value = $raw ? $wpcf->field->__meta : $wpcf->field->meta;
$cache[$cache_key] = $value;
return $value;
}
/**
* Gets field meta value.
*
* @global type $wpcf
* @param type $field
* @param type $post_id
* @return type
*/
function types_field_meta_value( $field, $post_id = null, $raw = false ) {
return wpcf_api_field_meta_value( $field, $post_id, $raw );
}
/**
* Gets repetitive meta value.
*
* @global type $wpcf
* @param type $field
* @param type $post_id
* @param type $meta_id
* @return type
*/
function types_field_get_meta_value_repetitive( $field, $post_id = null,
$meta_id = null ) {
return wpcf_api_field_meta_value_repetitive( $field, $post_id, $meta_id );
}
/**
* Check if field is repetitive.
*
* @param array|string $field Field definition or field slug
* @return bool|null
* @since unknown
*/
function types_is_repetitive( $field ) {
// Get field
if ( !is_array( $field ) ) {
$field = types_get_field( $field );
if ( empty( $field ) ) {
return null;
}
}
return wpcf_admin_is_repetitive( $field );
}
/**
* Get fields by group.
*
* Returns array of fields and their values:
* array( 'myfield' => 'some text' )
*
* @global type $wpcf
* @staticvar array $cache
* @param type $group_id
* @param type $active
* @return array
*/
function types_get_fields_by_group( $group, $only_active = 'only_active' ){
static $cache = array();
$cache_key = md5( serialize( func_get_args() ) );
if ( isset( $cache[$cache_key] ) ) {
return $cache[$cache_key];
}
$results = array();
$only_active = $only_active === 'only_active' || $only_active === true ? true : false;
$group = wpcf_admin_fields_get_group( $group );
if ( !empty( $group['id'] ) ) {
if ( $only_active && $group['is_active'] ) {
$fields = wpcf_admin_fields_get_fields_by_group( $group['id'],
'slug' );
foreach ( $fields as $field ) {
$results[$field['id']] = wpcf_api_field_meta_value( $field );
}
}
}
$cache[$cache_key] = $results;
return $cache[$cache_key];
}
/**
* Gets posts that belongs to current post.
*
* @global type $post
* @param type $post_type
* @param type $args
* @return type
*/
function types_child_posts( $post_type, $args = array() ) {
static $cache = array();
if ( isset( $args['post_id'] ) ) {
$post = $args['post_id'] != '0' ? get_post( $args['post_id'] ) : null;
} else {
global $post;
}
if ( empty( $post->ID ) ) {
return array();
}
$cache_key = md5( $post->ID . serialize( func_get_args() ) );
if ( isset( $cache[$cache_key] ) ) {
return $cache[$cache_key];
}
global $wp_post_types;
// WP allows querying inactive post types
if ( !isset( $wp_post_types[$post_type] )
|| !$wp_post_types[$post_type]->publicly_queryable ) {
return array();
}
$defaults = array('post_status' => array('publish'));
$args = wp_parse_args( $args, $defaults );
WPCF_Loader::loadModel( 'relationship' );
WPCF_Loader::loadInclude( 'fields-post' );
$child_posts = WPCF_Relationship_Model::getChildrenByPostType( $post,
$post_type, array(), array(), $args );
foreach ( $child_posts as $child_post_key => $child_post ) {
$child_posts[$child_post_key]->fields = array();
$groups = wpcf_admin_post_get_post_groups_fields( $child_post );
foreach ( $groups as $group ) {
if ( !empty( $group['fields'] ) ) {
// Process fields
foreach ( $group['fields'] as $k => $field ) {
$data = null;
if ( types_is_repetitive( $field ) ) {
$data = wpcf_get_post_meta( $child_post->ID,
wpcf_types_get_meta_prefix( $field ) . $field['slug'],
false ); // get all field instances
} else {
$data = wpcf_get_post_meta( $child_post->ID,
wpcf_types_get_meta_prefix( $field ) . $field['slug'],
true ); // get single field instance
// handle checkboxes which are one value serialized
if ( $field['type'] == 'checkboxes' && !empty( $data ) ) {
$data = maybe_unserialize( $data );
}
}
if ( !is_null( $data ) ) {
$child_posts[$child_post_key]->fields[$k] = $data;
}
}
}
}
}
$cache[$cache_key] = $child_posts;
return $child_posts;
}
/**
* Used for processing conditional statements.
*
* Wrapper for wpcf_cd_post_edit_field_filter()
* core function.
*
* @param type $element
* @param type $field
* @param type $post_id
* @param string $context
* @return type
*/
function types_conditional_evaluate( $field, $post_id = null ) {
return wpcf_conditional_evaluate( $post_id, $field );
}
/**
* Create post relationship.
*
* @param integer $post_id
* @param array $posts array( $post_type => $post_id )
* @param string $action set_child | set_parent
*/
function types_create_relationship( $post_id, $posts = array(), $error = false ) {
$updated = wpcf_pr_admin_update_belongs( $post_id, $posts );
if ( is_wp_error( $updated ) ) {
return $error? $updated : FALSE;
}
return TRUE;
}
/**
* Gets repetitive meta value.
*
* @global type $wpcf
* @param type $field
* @param type $post_id
* @param type $meta_id
* @return type
*/
function wpcf_api_field_meta_value_repetitive( $field, $post_id = null,
$meta_id = null ) {
static $cache = array();
$cache_key = md5( serialize( func_get_args() ) );
if ( isset( $cache[$cache_key] ) ) {
return $cache[$cache_key];
}
global $wpcf;
// Get field
if ( !is_array( $field ) ) {
$field = types_get_field( $field );
if ( empty( $field ) ) {
return NULL;
}
}
// Set post
if ( !is_null( $post_id ) ) {
if ( !$post_id = absint( $post_id ) ) {
return NULL;
}
$post = get_post( $post_id );
} else {
global $post;
}
if ( empty( $post->ID ) ) {
return NULL;
}
// Set field
$wpcf->repeater->set( $post, $field );
$meta = $wpcf->repeater->meta;
$values = array();
// See if single
if ( !wpcf_admin_is_repetitive( $field ) ) {
$values = isset( $meta['single'] ) ? $meta['single'] : NULL;
} else if ( !is_null( $meta_id ) && isset( $meta['by_meta_id'][$meta_id] ) ) {
// Return single repetitive field value if meta_id specified
$values = $meta['by_meta_id'][$meta_id];
} else if ( isset( $wpcf->repeater->meta['custom_order'] ) ) {
// Return ordered
$values = $wpcf->repeater->meta['custom_order'];
} else if ( isset( $wpcf->repeater->meta['by_meta_id'] ) ) {
// Return by_meta_id
$values = $wpcf->repeater->meta['by_meta_id'];
}
$cache[$cache_key] = $values;
return $values;
}
/**
* Gets repetitive meta value.
*
* @global type $wpcf
* @param type $field
* @param type $post_id
* @param type $meta_id
* @return type
*/
function types_field_meta_value_repetitive( $field, $post_id = null,
$meta_id = null ) {
return wpcf_api_field_meta_value_repetitive( $field, $post_id, $meta_id );
}
/**
* Used for processing conditional statements.
*
* Wrapper for wpcf_cd_post_edit_field_filter()
* core function.
*
* @param type $element
* @param type $field
* @param type $post
* @param string $context
* @return type
*/
function wpcf_conditional_evaluate( $post = null, $field ) {
// Set post
if ( is_null( $post ) ) {
global $post;
} else {
$post = get_post( $post );
}
if ( empty( $post->ID ) ) {
return NULL;
}
// Get field
if ( !is_array( $field ) ) {
$field = types_get_field( $field );
if ( empty( $field ) ) {
return NULL;
}
}
global $wpcf;
$e = clone $wpcf->conditional;
$e->set( $post, $field );
return $e->evaluate();
}
/**
* Returns meta prefix.
*
* @param array $field
*/
function types_meta_prefix( $field = array() ) {
return wpcf_types_get_meta_prefix( $field );
}
/*
*
*
*
* REVIEW NEEDED
*/
/**
* Saves repeater fields.
*
* Repeater class checks:
* $_POST['wpcf'][$field_slug_full]
* e.g. 'wpcf-img'
* * If field slug do not exist in $_POST['wpcf'] - won't be saved.
*
* @global type $wpcf_api
* @param type $post
* @param type $field
* @return type
*/
function wpcf_api_repetitive_save( $post, $field ) {
global $wpcf;
$wpcf->repeater->set( $post, $field );
return $wpcf->repeater->save();
}
/**
* Fetches saved meta for post.
*
* Please debug output to get familiar with results returned:
* 'single'
* 'by_meta_id'
* 'by_meta_key'
* 'custom_order' (optional)
*
* @global type $wpcf_api
* @param type $post
* @param type $field
* @return type
*/
function wpcf_api_repetitive_get_meta( $post, $field ) {
global $wpcf;
$wpcf->repeater->set( $post, $field );
return $wpcf->repeater->_get_meta();
}