<?php

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/**

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* Comments

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*

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* Handle comments (reviews and order notes).

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*

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* @package WooCommerce\Classes\Products

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* @version 2.3.0

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*/

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use Automattic\WooCommerce\Internal\Admin\ProductReviews\ReviewsUtil;

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defined( 'ABSPATH' ) || exit;

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/**

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* Comments class.

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*/

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class WC_Comments {

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/**

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* The cache group to use for comment counts.

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*

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* @var string

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*/

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private const COMMENT_COUNT_CACHE_GROUP = 'wc_comment_counts';

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/**

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* The cache key to use for pending product reviews counts.

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*

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* @var string

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*/

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private const PRODUCT_REVIEWS_PENDING_COUNT_CACHE_KEY = 'woocommerce_product_reviews_pending_count';

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/**

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* Hook in methods.

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*/

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public static function init() {

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// Rating posts.

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add_filter( 'comments_open', array( __CLASS__, 'comments_open' ), 10, 2 );

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add_filter( 'preprocess_comment', array( __CLASS__, 'check_comment_rating' ), 0 );

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add_action( 'comment_post', array( __CLASS__, 'add_comment_rating' ), 1 );

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add_action( 'comment_moderation_recipients', array( __CLASS__, 'comment_moderation_recipients' ), 10, 2 );

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// Clear transients.

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add_action( 'wp_update_comment_count', array( __CLASS__, 'clear_transients' ) );

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// Secure order notes.

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add_filter( 'comments_clauses', array( __CLASS__, 'exclude_order_comments' ), 10, 1 );

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add_filter( 'comment_feed_where', array( __CLASS__, 'exclude_order_comments_from_feed_where' ) );

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// Secure webhook comments.

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add_filter( 'comments_clauses', array( __CLASS__, 'exclude_webhook_comments' ), 10, 1 );

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add_filter( 'comment_feed_where', array( __CLASS__, 'exclude_webhook_comments_from_feed_where' ) );

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// Secure potential remaining Action Logs.

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add_filter( 'comments_clauses', array( __CLASS__, 'exclude_action_log_comments' ), 10, 2 );

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add_filter( 'comment_feed_where', array( __CLASS__, 'exclude_action_log_comments_from_feed_where' ) );

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// Exclude product reviews from general comments.

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add_filter( 'comments_clauses', array( ReviewsUtil::class, 'comments_clauses_without_product_reviews' ), 10, 2 );

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// Modifies the moderation URLs in the email notifications for product reviews.

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add_filter( 'comment_moderation_text', array( ReviewsUtil::class, 'modify_product_review_moderation_urls' ), 10, 2 );

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// Count comments.

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add_filter( 'wp_count_comments', array( __CLASS__, 'wp_count_comments' ), 10, 2 );

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// Delete comments count cache whenever there is a new comment or a comment status changes.

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add_action( 'wp_insert_comment', array( __CLASS__, 'increment_comments_count_cache_on_wp_insert_comment' ), 10, 2 );

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add_action( 'transition_comment_status', array( __CLASS__, 'update_comments_count_cache_on_comment_status_change' ), 10, 3 );

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// Count product reviews that pending moderation.

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add_action( 'wp_insert_comment', array( __CLASS__, 'maybe_bump_products_reviews_pending_moderation_counter' ), 10, 2 );

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add_action( 'transition_comment_status', array( __CLASS__, 'maybe_adjust_products_reviews_pending_moderation_counter' ), 10, 3 );

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// Support avatars for `review` comment type.

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add_filter( 'get_avatar_comment_types', array( __CLASS__, 'add_avatar_for_review_comment_type' ) );

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// Add Product Reviews filter for `review` comment type.

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add_filter( 'admin_comment_types_dropdown', array( __CLASS__, 'add_review_comment_filter' ) );

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// Review of verified purchase.

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add_action( 'comment_post', array( __CLASS__, 'add_comment_purchase_verification' ) );

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// Set comment type.

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add_action( 'preprocess_comment', array( __CLASS__, 'update_comment_type' ), 1 );

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// Validate product reviews if requires verified owners.

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add_action( 'pre_comment_on_post', array( __CLASS__, 'validate_product_review_verified_owners' ) );

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}

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/**

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* See if comments are open.

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*

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* @since 3.1.0

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* @param bool $open Whether the current post is open for comments.

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* @param int $post_id Post ID.

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* @return bool

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*/

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public static function comments_open( $open, $post_id ) {

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if ( 'product' === get_post_type( $post_id ) && ! post_type_supports( 'product', 'comments' ) ) {

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$open = false;

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}

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return $open;

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}

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/**

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* Exclude order comments from queries and RSS.

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*

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* This code should exclude shop_order comments from queries. Some queries (like the recent comments widget on the dashboard) are hardcoded.

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* and are not filtered, however, the code current_user_can( 'read_post', $comment->comment_post_ID ) should keep them safe since only admin and.

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* shop managers can view orders anyway.

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*

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* The frontend view order pages get around this filter by using remove_filter('comments_clauses', array( 'WC_Comments' ,'exclude_order_comments'), 10, 1 );

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*

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* @param array $clauses A compacted array of comment query clauses.

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* @return array

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*/

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public static function exclude_order_comments( $clauses ) {

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$clauses['where'] .= ( trim( $clauses['where'] ) ? ' AND ' : '' ) . " comment_type != 'order_note' ";

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return $clauses;

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}

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/**

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* Exclude order comments from feed.

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*

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* @deprecated 3.1

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* @param mixed $join Deprecated.

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*/

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public static function exclude_order_comments_from_feed_join( $join ) {

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wc_deprecated_function( 'WC_Comments::exclude_order_comments_from_feed_join', '3.1' );

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}

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/**

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* Exclude order comments from queries and RSS.

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*

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* @param string $where The WHERE clause of the query.

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* @return string

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*/

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public static function exclude_order_comments_from_feed_where( $where ) {

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return $where . ( trim( $where ) ? ' AND ' : '' ) . " comment_type != 'order_note' ";

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}

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/**

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* Exclude webhook comments from queries and RSS.

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*

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* @since 2.2

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* @param array $clauses A compacted array of comment query clauses.

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* @return array

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*/

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public static function exclude_webhook_comments( $clauses ) {

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$clauses['where'] .= ( trim( $clauses['where'] ) ? ' AND ' : '' ) . " comment_type != 'webhook_delivery' ";

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return $clauses;

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}

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/**

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* Exclude webhooks comments from feed.

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*

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* @deprecated 3.1

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* @param mixed $join Deprecated.

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*/

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public static function exclude_webhook_comments_from_feed_join( $join ) {

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wc_deprecated_function( 'WC_Comments::exclude_webhook_comments_from_feed_join', '3.1' );

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}

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/**

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* Exclude webhook comments from queries and RSS.

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*

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* @since 2.1

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* @param string $where The WHERE clause of the query.

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* @return string

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*/

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public static function exclude_webhook_comments_from_feed_where( $where ) {

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return $where . ( trim( $where ) ? ' AND ' : '' ) . " comment_type != 'webhook_delivery' ";

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}

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/**

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* Exclude action_log comments from queries and RSS.

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*

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* @since 9.9

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* @param string $where The WHERE clause of the query.

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* @return string

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*/

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public static function exclude_action_log_comments_from_feed_where( $where ) {

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return $where . ( trim( $where ) ? ' AND ' : '' ) . " comment_type != 'action_log' ";

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}

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/**

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* Exclude action_log comments from queries.

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*

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* @param array $clauses A compacted array of comment query clauses.

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* @param WP_Comment_Query $comment_query The WP_Comment_Query being filtered.

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*

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* @return array

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* @since 9.9

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*/

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public static function exclude_action_log_comments( $clauses, $comment_query ) {

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if ( 'action_log' !== $comment_query->query_vars['type'] ) {

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$clauses['where'] .= ( trim( $clauses['where'] ) ? ' AND ' : '' ) . " comment_type != 'action_log' ";

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}

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return $clauses;

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}

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/**

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* Validate the comment ratings.

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*

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* @param array $comment_data Comment data.

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* @return array

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*/

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public static function check_comment_rating( $comment_data ) {

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// If posting a comment (not trackback etc) and not logged in.

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if ( ! is_admin() && isset( $_POST['comment_post_ID'], $_POST['rating'], $comment_data['comment_type'] ) && 'product' === get_post_type( absint( $_POST['comment_post_ID'] ) ) && empty( $_POST['rating'] ) && self::is_default_comment_type( $comment_data['comment_type'] ) && wc_review_ratings_enabled() && wc_review_ratings_required() ) { // WPCS: input var ok, CSRF ok.

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wp_die( esc_html__( 'Please rate the product.', 'woocommerce' ) );

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exit;

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}

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return $comment_data;

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}

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/**

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* Rating field for comments.

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*

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* @param int $comment_id Comment ID.

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*/

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public static function add_comment_rating( $comment_id ) {

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if ( isset( $_POST['rating'], $_POST['comment_post_ID'] ) && 'product' === get_post_type( absint( $_POST['comment_post_ID'] ) ) ) { // WPCS: input var ok, CSRF ok.

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if ( ! $_POST['rating'] || $_POST['rating'] > 5 || $_POST['rating'] < 0 ) { // WPCS: input var ok, CSRF ok, sanitization ok.

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return;

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}

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add_comment_meta( $comment_id, 'rating', intval( $_POST['rating'] ), true ); // WPCS: input var ok, CSRF ok.

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$post_id = isset( $_POST['comment_post_ID'] ) ? absint( $_POST['comment_post_ID'] ) : 0; // WPCS: input var ok, CSRF ok.

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if ( $post_id ) {

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self::clear_transients( $post_id );

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}

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}

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}

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/**

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* Modify recipient of review email.

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*

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* @param array $emails Emails.

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* @param int $comment_id Comment ID.

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* @return array

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*/

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public static function comment_moderation_recipients( $emails, $comment_id ) {

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$comment = get_comment( $comment_id );

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if ( $comment && 'product' === get_post_type( $comment->comment_post_ID ) ) {

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$emails = array( get_option( 'admin_email' ) );

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}

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return $emails;

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}

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/**

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* Ensure product average rating and review count is kept up to date.

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*

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* @param int $post_id Post ID.

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*/

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public static function clear_transients( $post_id ) {

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if ( 'product' === get_post_type( $post_id ) ) {

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$product = wc_get_product( $post_id );

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$product->set_rating_counts( self::get_rating_counts_for_product( $product ) );

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$product->set_average_rating( self::get_average_rating_for_product( $product ) );

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$product->set_review_count( self::get_review_count_for_product( $product ) );

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$product->save();

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}

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}

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/**

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* Callback for 'wp_insert_comment' to delete the comment count cache if the comment is included in the count.

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*

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* @param int $comment_id The comment ID.

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* @param WP_Comment $comment Comment object.

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*

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* @return void

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*/

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public static function increment_comments_count_cache_on_wp_insert_comment( $comment_id, $comment ) {

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if ( ! self::is_comment_excluded_from_wp_comment_counts( $comment ) ) {

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$comment_status = wp_get_comment_status( $comment );

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if ( false !== $comment_status ) {

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wp_cache_incr( 'wc_count_comments_' . $comment_status, 1, self::COMMENT_COUNT_CACHE_GROUP );

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}

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}

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}

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/**

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* Callback for 'comment_status_change' to delete the comment count cache if the comment is included in the count.

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*

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* @param int|string $new_status The new comment status.

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* @param int|string $old_status The old comment status.

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* @param WP_Comment $comment Comment object.

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*

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* @return void

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*/

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public static function update_comments_count_cache_on_comment_status_change( $new_status, $old_status, $comment ) {

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if ( ! self::is_comment_excluded_from_wp_comment_counts( $comment ) ) {

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wp_cache_incr( 'wc_count_comments_' . $new_status, 1, self::COMMENT_COUNT_CACHE_GROUP );

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wp_cache_decr( 'wc_count_comments_' . $old_status, 1, self::COMMENT_COUNT_CACHE_GROUP );

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}

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}

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/**

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* Determines whether the given comment should be included in the core WP comment counts that are displayed in the

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* WordPress admin.

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*

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* @param WP_Comment $comment Comment object.

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*

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* @return bool

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*/

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private static function is_comment_excluded_from_wp_comment_counts( $comment ) {

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return in_array( $comment->comment_type, array( 'action_log', 'order_note', 'webhook_delivery' ), true )

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|| get_post_type( $comment->comment_post_ID ) === 'product';

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}

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/**

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* Delete comments count cache whenever there is

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* new comment or the status of a comment changes. Cache

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* will be regenerated next time WC_Comments::wp_count_comments()

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* is called.

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*/

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public static function delete_comments_count_cache() {

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$comment_status_keys = array(

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'wc_count_comments_approved',

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'wc_count_comments_unapproved',

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'wc_count_comments_spam',

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'wc_count_comments_trash',

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'wc_count_comments_post-trashed',

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);

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wp_cache_delete_multiple( $comment_status_keys, self::COMMENT_COUNT_CACHE_GROUP );

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}

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/**

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* Fetches (and populates if needed) the counter.

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*

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* @return int

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*/

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public static function get_products_reviews_pending_moderation_counter(): int {

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$count = wp_cache_get( self::PRODUCT_REVIEWS_PENDING_COUNT_CACHE_KEY, self::COMMENT_COUNT_CACHE_GROUP );

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if ( false === $count ) {

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$count = (int) get_comments(

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array(

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'type__in' => array( 'review', 'comment' ),

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'status' => '0',

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'post_type' => 'product',

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'count' => true,

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)

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);

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wp_cache_set( self::PRODUCT_REVIEWS_PENDING_COUNT_CACHE_KEY, $count, self::COMMENT_COUNT_CACHE_GROUP, DAY_IN_SECONDS );

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}

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return $count;

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}

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/**

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* Handles `wp_insert_comment` hook processing and actualizes the counter.

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*

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* @param int $comment_id Comment ID.

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* @param \WP_Comment $comment Comment object.

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* @return void

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*/

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public static function maybe_bump_products_reviews_pending_moderation_counter( $comment_id, $comment ): void {

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$needs_bump = '0' === $comment->comment_approved;

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if ( $needs_bump && in_array( $comment->comment_type, array( 'review', 'comment', '' ), true ) ) {

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$is_product = 'product' === get_post_type( $comment->comment_post_ID );

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if ( $is_product ) {

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wp_cache_incr( self::PRODUCT_REVIEWS_PENDING_COUNT_CACHE_KEY, 1, self::COMMENT_COUNT_CACHE_GROUP );

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}

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}

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}

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/**

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* Handles `transition_comment_status` hook processing and actualizes the counter.

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*

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* @param int|string $new_status New status.

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* @param int|string $old_status Old status.

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* @param \WP_Comment $comment Comment object.

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* @return void

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*/

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public static function maybe_adjust_products_reviews_pending_moderation_counter( $new_status, $old_status, $comment ): void {

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$needs_adjustments = 'unapproved' === $new_status || 'unapproved' === $old_status;

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if ( $needs_adjustments && in_array( $comment->comment_type, array( 'review', 'comment', '' ), true ) ) {

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$is_product = 'product' === get_post_type( $comment->comment_post_ID );

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if ( $is_product ) {

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if ( '0' === $comment->comment_approved ) {

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wp_cache_incr( self::PRODUCT_REVIEWS_PENDING_COUNT_CACHE_KEY, 1, self::COMMENT_COUNT_CACHE_GROUP );

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} else {

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wp_cache_decr( self::PRODUCT_REVIEWS_PENDING_COUNT_CACHE_KEY, 1, self::COMMENT_COUNT_CACHE_GROUP );

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}

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}

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}

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}

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/**

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* Remove order notes, webhook delivery logs, and product reviews from wp_count_comments().

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*

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* @param array|object $stats Comment stats.

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* @param int $post_id Post ID.

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*

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* @return object

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* @since 2.2

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*/

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public static function wp_count_comments( $stats, $post_id ) {

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if ( 0 !== $post_id || ! empty( $stats ) ) {

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// If $stats isn't empty, another plugin may have already made changes to the values that we can't account for, so we don't attempt to modify it.

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return $stats;

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}

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$comment_counts = array();

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// WordPress is inconsistent in the names it uses for approved/unapproved comment statuses, so we need to remap the names.

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$stat_key_to_comment_query_status_mapping = array(

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'approved' => 'approve',

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'moderated' => 'hold',

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'spam' => 'spam',

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'trash' => 'trash',

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'post-trashed' => 'post-trashed',

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);

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$comment_query_status_to_comment_status_mapping = array(

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'approve' => 'approved',

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'hold' => 'unapproved',

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'spam' => 'spam',

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'trash' => 'trash',

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'post-trashed' => 'post-trashed',

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);

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$args = array(

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'count' => true,

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'update_comment_meta_cache' => false,

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'orderby' => 'none',

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);

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foreach ( $stat_key_to_comment_query_status_mapping as $stat_key => $query_status ) {

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// For simplicity, the cache key is by the comment status returned by wp_get_comment_status() and used by wp_transition_comment_status().

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$cache_key = 'wc_count_comments_' . $comment_query_status_to_comment_status_mapping[ $query_status ];

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$count = wp_cache_get( $cache_key, self::COMMENT_COUNT_CACHE_GROUP );

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if ( false === $count ) {

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$count = (int) get_comments( array_merge( $args, array( 'status' => $query_status ) ) );

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wp_cache_set( $cache_key, $count, self::COMMENT_COUNT_CACHE_GROUP, 3 * DAY_IN_SECONDS );

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}

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$comment_counts[ $stat_key ] = (int) $count;

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}

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$comment_counts['all'] = $comment_counts['approved'] + $comment_counts['moderated'];

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$comment_counts['total_comments'] = $comment_counts['all'] + $comment_counts['spam'];

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return (object) $comment_counts;

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}

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[450] Fix | Delete

/**

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* Make sure WP displays avatars for comments with the `review` type.

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*

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* @since 2.3

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* @param array $comment_types Comment types.

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* @return array

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*/

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public static function add_avatar_for_review_comment_type( $comment_types ) {

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return array_merge( $comment_types, array( 'review' ) );

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}

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[461] Fix | Delete

/**

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* Add Product Reviews filter for `review` comment type.

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*

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* @since 6.0.0

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*

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* @param array $comment_types Array of comment type labels keyed by their name.

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*

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* @return array

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*/

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public static function add_review_comment_filter( array $comment_types ): array {

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$comment_types['review'] = __( 'Product Reviews', 'woocommerce' );

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return $comment_types;

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}

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/**

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* Determine if a review is from a verified owner at submission.

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*

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* @param int $comment_id Comment ID.

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* @return bool

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*/

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public static function add_comment_purchase_verification( $comment_id ) {

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$comment = get_comment( $comment_id );

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$verified = false;

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if ( 'product' === get_post_type( $comment->comment_post_ID ) ) {

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// When possible, narrow down wc_customer_bought_product inputs for better performance.

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$email = $comment->user_id ? '' : $comment->comment_author_email;

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$verified = wc_customer_bought_product( $email, $comment->user_id, $comment->comment_post_ID );

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add_comment_meta( $comment_id, 'verified', (int) $verified, true );

[489] Fix | Delete

}

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return $verified;

[491] Fix | Delete

}

[492] Fix | Delete

[493] Fix | Delete

/**

[494] Fix | Delete

* Get product rating for a product. Please note this is not cached.

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*

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* @since 3.0.0

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* @param WC_Product $product Product instance.

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* @return float

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