%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
class WCML_Comments {
const WCML_AVERAGE_RATING_KEY = '_wcml_average_rating';
const WCML_REVIEW_COUNT_KEY = '_wcml_review_count';
const WC_REVIEW_COUNT_KEY = '_wc_review_count';
/** @var woocommerce_wpml */
private $woocommerce_wpml;
/** @var Sitepress */
private $sitepress;
/** @var WPML_Post_Translation */
private $post_translations;
/**
* WCML_Comments constructor.
*
* @param woocommerce_wpml $woocommerce_wpml
* @param SitePress $sitepress
* @param WPML_Post_Translation $post_translations
*/
public function __construct( woocommerce_wpml $woocommerce_wpml, SitePress $sitepress, WPML_Post_Translation $post_translations ) {
$this->woocommerce_wpml = $woocommerce_wpml;
$this->sitepress = $sitepress;
$this->post_translations = $post_translations;
}
public function add_hooks() {
add_action( 'comment_post', array( $this, 'add_comment_rating' ) );
add_action( 'woocommerce_review_before_comment_meta', array( $this, 'add_comment_flag' ), 9 );
add_filter( 'get_post_metadata', array( $this, 'filter_average_rating' ), 10, 4 );
add_filter( 'comments_clauses', array( $this, 'comments_clauses' ), 10, 2 );
add_filter( 'woocommerce_product_review_list_args', array( $this, 'comments_link' ) );
add_filter( 'wpml_is_comment_query_filtered', array( $this, 'is_comment_query_filtered' ), 10, 2 );
}
/**
* Add comment rating
*
* @param int $comment_id
*/
public function add_comment_rating( $comment_id ) {
if ( isset( $_POST['comment_post_ID'] ) ) {
$product_id = sanitize_text_field( $_POST['comment_post_ID'] );
if ( 'product' === get_post_type( $product_id ) ) {
$this->recalculate_comment_rating( $product_id );
}
}
}
/**
* Calculate rating field for comments based on reviews in all languages.
*
* @param int $product_id
*/
public function recalculate_comment_rating( $product_id ){
$translations = $this->post_translations->get_element_translations( $product_id );
$average_ratings_sum = 0;
$average_ratings_count = 0;
$reviews_count = 0;
foreach ( $translations as $translation ) {
$ratings = get_post_meta( $translation, '_wc_rating_count', true );
$review_count = get_post_meta( $translation, self::WC_REVIEW_COUNT_KEY, true );
if ( $ratings ) {
foreach ( $ratings as $rating => $count ) {
$average_ratings_sum += $rating * $count;
$average_ratings_count += $count;
}
}
if( $review_count ){
$reviews_count += $review_count;
}
}
if ( $average_ratings_sum ) {
$average_rating = number_format( $average_ratings_sum / $average_ratings_count, 2, '.', '' );
foreach ( $translations as $translation ) {
update_post_meta( $translation, self::WCML_AVERAGE_RATING_KEY, $average_rating );
update_post_meta( $translation, self::WCML_REVIEW_COUNT_KEY, $reviews_count );
}
}
}
/**
* Filter WC reviews meta
*
* @param null|array|string $value The value get_metadata() should return a single metadata value, or an
* array of values.
* @param int $object_id Post ID.
* @param string $meta_key Meta key.
* @param bool
* @return array|null|string Filtered metadata value, array of values, or null.
*/
public function filter_average_rating( $value, $object_id, $meta_key, $single ) {
$filtered_value = $value;
if ( in_array( $meta_key, array( '_wc_average_rating', self::WC_REVIEW_COUNT_KEY ) ) && 'product' === get_post_type( $object_id ) ) {
switch ( $meta_key ){
case '_wc_average_rating':
$filtered_value = get_post_meta( $object_id, self::WCML_AVERAGE_RATING_KEY, $single );
break;
case self::WC_REVIEW_COUNT_KEY:
if ( $this->is_reviews_in_all_languages( $object_id ) ) {
$filtered_value = get_post_meta( $object_id, self::WCML_REVIEW_COUNT_KEY, $single );
}
break;
}
}
return !empty( $filtered_value ) ? $filtered_value : $value;
}
/**
* Filters comment queries to display in all languages if needed
*
* @param string[] $clauses
* @param WP_Comment_Query $obj
*
* @return string[]
*/
public function comments_clauses( $clauses, $obj ) {
if ( $this->is_reviews_in_all_languages( $obj->query_vars['post_id'] ) ) {
$ids = $this->get_translations_ids_list( $obj->query_vars['post_id'] );
$clauses['where'] = str_replace( 'comment_post_ID = ' . $obj->query_vars['post_id'], 'comment_post_ID IN (' . $ids . ')', $clauses['where'] );
}
return $clauses;
}
/**
* Get list of translated ids for product
*
* @param int $product_id
*
* @return string list of ids
*/
private function get_translations_ids_list( $product_id ){
$translations = $this->post_translations->get_element_translations( $product_id );
return implode( ',', array_filter( $translations ) );
}
/**
* Display link to show rating in all/current language
*
* @param array $args
* @return array
*/
public function comments_link( $args ) {
$current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
$current_language = $this->sitepress->get_current_language();
if ( ! isset( $_GET['clang'] ) || $current_language === $_GET['clang'] ) {
$comments_link = add_query_arg( array( 'clang' => 'all' ), $current_url );
$all_languages_reviews_count = $this->get_reviews_count( 'all' );
$current_language_reviews_count = $this->get_reviews_count();
if( $all_languages_reviews_count > $current_language_reviews_count ){
$comments_link_text = sprintf( __( 'Show reviews in all languages (%s)', 'woocommerce-multilingual'), $all_languages_reviews_count);
}
} elseif ( 'all' === $_GET['clang'] ) {
$current_language_reviews_count = $this->get_reviews_count();
$comments_link = add_query_arg( array( 'clang' => $current_language ), $current_url );
$language_details = $this->sitepress->get_language_details( $current_language );
$comments_link_text = sprintf( __( 'Show only reviews in %s (%s)', 'woocommerce-multilingual'), $language_details['display_name'], $current_language_reviews_count );
}
if( isset( $comments_link_text ) && $comments_link_text ){
echo '<p><a id="lang-comments-link" href="' . $comments_link . '">' . $comments_link_text . '</a></p>';
}
return $args;
}
/**
* Checks if comments needs filtering by language.
*
* @param bool $filtered
* @param int $post_id
* @return bool
*/
public function is_comment_query_filtered( $filtered, $post_id ) {
if ( $this->is_reviews_in_all_languages( $post_id ) ) {
$filtered = false;
}
return $filtered;
}
/**
* Add flag to comment description
*
* @param WP_Comment $comment
*/
public function add_comment_flag( $comment ) {
if ( $this->is_reviews_in_all_languages( $comment->comment_post_ID ) ) {
$comment_language = $this->post_translations->get_element_lang_code( $comment->comment_post_ID );
$html = '<div style="float: left; padding-right: 5px;">';
$html .= '<img src="' . $this->sitepress->get_flag_url( $comment_language ) . '" width=18" height="12">';
$html .= '</div>';
echo $html;
}
}
/**
* Checks if reviews in all languages should be displayed.
*
* @param int $product_id
* @return bool
*/
public function is_reviews_in_all_languages( $product_id ) {
return isset( $_GET['clang'] ) && 'all' === $_GET['clang'] && 'product' === get_post_type( $product_id );
}
/**
* Return reviews count in language
*
* @param string $language
* @return int
*/
public function get_reviews_count( $language = false ) {
remove_filter( 'get_post_metadata', array( $this, 'filter_average_rating' ), 10, 4 );
if ( ! metadata_exists( 'post', get_the_ID(), self::WCML_REVIEW_COUNT_KEY ) ) {
$this->recalculate_comment_rating( get_the_ID() );
}
if( 'all' === $language ){
$reviews_count = get_post_meta( get_the_ID(), self::WCML_REVIEW_COUNT_KEY, true );
}else{
$reviews_count = get_post_meta( get_the_ID(), self::WC_REVIEW_COUNT_KEY, true );
}
add_filter( 'get_post_metadata', array( $this, 'filter_average_rating' ), 10, 4 );
return $reviews_count;
}
}
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