mgibbs189

{{gist file=”facetwp-wpml.php” lang=”php”}}
<?php
/*
Plugin Name: FacetWP – WPML
Description: WPML support for FacetWP
Version: 1.3.0
Author: FacetWP, LLC
Author URI: https://facetwp.com/
GitHub URI: facetwp/facetwp-wpml
*/

defined( ‘ABSPATH’ ) or exit;

class FWP_WPML
{

public $default_language;
public $current_language;

function __construct() {
add_action( ‘init’ , array( $this, ‘init’ ), 9 );
}

/**
* Initialize
*/
function init() {
if ( defined( ‘ICL_SITEPRESS_VERSION’ ) && function_exists( ‘FWP’ ) ) {
add_action( ‘wp_footer’, array( $this, ‘wp_footer’ ), 30 );
add_action( ‘facetwp_refresh’, array( $this, ‘set_ajax_langauge’ ) );
add_filter( ‘facetwp_render_params’, array( $this, ‘support_preloader’ ) );
add_filter( ‘facetwp_indexer_query_args’, array( $this, ‘indexer_query_args’ ) );
add_action( ‘facetwp_indexer_post’, array( $this, ‘set_post_language_code’ ) );

// Setup properties
$this->default_language = apply_filters( ‘wpml_default_language’, null );
$this->current_language = apply_filters( ‘wpml_current_language’, null );

// Require WPML String Translation
if ( function_exists( ‘icl_register_string’ ) ) {
add_action( ‘admin_init’, array( $this, ‘register_strings’ ) );
add_filter( ‘facetwp_i18n’, array( $this, ‘facetwp_i18n’ ) );
}
}
}

/**
* Put the language into FWP_HTTP
*/
function wp_footer() {
$lang = $this->current_language;
echo “<script>var FWP_HTTP = FWP_HTTP || {}; FWP_HTTP.lang = ‘$lang’;</script>”;
}

/**
* Support FacetWP preloading (3.0.4+)
*/
function support_preloader( $params ) {
if ( isset( $params[‘is_preload’] ) ) {
$params[‘http_params’][‘lang’] = $this->current_language;
}

return $params;
}

/**
* Set the correct language for ajax requests
*/
function set_ajax_language() {
$http = FWP()->facet->http_params;
if ( isset( $http[‘lang’] ) && $http[‘lang’] !== $this->default_language ) {
do_action( ‘wpml_switch_language’, $http[‘lang’] );
}
}

/**
* Index all languages
*/
function indexer_query_args( $args ) {
if ( function_exists( ‘is_checkout’ ) && is_checkout() ) {
return $args;
}

if ( -1 === $args[‘posts_per_page’] ) {
do_action( ‘wpml_switch_language’, ‘all’ );
}

$args[‘suppress_filters’] = true; // query posts in all languages
return $args;
}

/**
* Find a post’s language code
*/
function get_post_language_code( $post_id ) {
global $wpdb;

$query = $wpdb->prepare( “SELECT language_code FROM {$wpdb->prefix}icl_translations WHERE element_id = %d”, $post_id );
return $wpdb->get_var( $query );
}

/**
* Set the indexer language code
*/
function set_post_language_code( $params ) {
$language_code = $this->get_post_language_code( $params[‘post_id’] );
do_action( ‘wpml_switch_language’, $language_code );
}

/**
* Register dynamic strings
*/
function register_strings() {
$facets = FWP()->helper->get_facets();
$whitelist = array( ‘label’, ‘label_any’, ‘placeholder’ );

if ( ! empty( $facets ) ) {
foreach ( $facets as $facet ) {
foreach ( $whitelist as $k ) {
if ( ! empty( $facet[ $k ] ) ) {
do_action( ‘wpml_register_single_string’, ‘FacetWP’, $facet[ $k ], $facet[ $k ] );
}
}
}
}
}

/**
* Handle string translations
*/
function facetwp_i18n( $string ) {
$lang = $this->current_language;
$default = $this->default_language;

if ( isset( FWP()->facet->http_params[‘lang’] ) ) {
$lang = FWP()->facet->http_params[‘lang’];
}

if ( $lang != $default ) {
return apply_filters( ‘wpml_translate_single_string’, $string, ‘FacetWP’, $string, $lang );
}

return $string;
}
}

$fwp_wpml = new FWP_WPML();

{{/gist}}