463 lines
14 KiB
PHP
463 lines
14 KiB
PHP
<?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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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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* 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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// 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__, 'delete_comments_count_cache' ) );
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add_action( 'wp_set_comment_status', array( __CLASS__, 'delete_comments_count_cache' ) );
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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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// 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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}
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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'] .= ( $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 . ( $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'] .= ( $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 . ( $where ? ' AND ' : '' ) . " comment_type != 'webhook_delivery' ";
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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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* 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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delete_transient( 'wc_count_comments' );
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}
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/**
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* Remove order notes and webhook delivery logs from wp_count_comments().
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*
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* @since 2.2
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* @param object $stats Comment stats.
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* @param int $post_id Post ID.
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* @return object
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*/
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public static function wp_count_comments( $stats, $post_id ) {
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global $wpdb;
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if ( 0 === $post_id ) {
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$stats = get_transient( 'wc_count_comments' );
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if ( ! $stats ) {
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$stats = array(
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'total_comments' => 0,
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'all' => 0,
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);
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$count = $wpdb->get_results(
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"
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SELECT comment_approved, COUNT(*) AS num_comments
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FROM {$wpdb->comments}
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WHERE comment_type NOT IN ('action_log', 'order_note', 'webhook_delivery')
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GROUP BY comment_approved
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",
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ARRAY_A
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);
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$approved = array(
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'0' => 'moderated',
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'1' => 'approved',
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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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foreach ( (array) $count as $row ) {
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// Don't count post-trashed toward totals.
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if ( ! in_array( $row['comment_approved'], array( 'post-trashed', 'trash', 'spam' ), true ) ) {
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$stats['all'] += $row['num_comments'];
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$stats['total_comments'] += $row['num_comments'];
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} elseif ( ! in_array( $row['comment_approved'], array( 'post-trashed', 'trash' ), true ) ) {
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$stats['total_comments'] += $row['num_comments'];
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}
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if ( isset( $approved[ $row['comment_approved'] ] ) ) {
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$stats[ $approved[ $row['comment_approved'] ] ] = $row['num_comments'];
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}
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}
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foreach ( $approved as $key ) {
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if ( empty( $stats[ $key ] ) ) {
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$stats[ $key ] = 0;
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}
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}
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$stats = (object) $stats;
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set_transient( 'wc_count_comments', $stats );
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}
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}
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return $stats;
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}
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/**
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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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/**
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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( $comment->comment_post_ID ) ) {
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$verified = wc_customer_bought_product( $comment->comment_author_email, $comment->user_id, $comment->comment_post_ID );
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add_comment_meta( $comment_id, 'verified', (int) $verified, true );
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}
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return $verified;
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}
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/**
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* 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 $product Product instance.
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* @return float
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*/
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public static function get_average_rating_for_product( &$product ) {
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global $wpdb;
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$count = $product->get_rating_count();
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if ( $count ) {
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$ratings = $wpdb->get_var(
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$wpdb->prepare(
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"
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SELECT SUM(meta_value) FROM $wpdb->commentmeta
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LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID
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WHERE meta_key = 'rating'
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AND comment_post_ID = %d
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AND comment_approved = '1'
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AND meta_value > 0
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",
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$product->get_id()
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)
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);
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$average = number_format( $ratings / $count, 2, '.', '' );
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} else {
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$average = 0;
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}
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return $average;
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}
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/**
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* Utility function for getting review counts for multiple products in one query. This is not cached.
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*
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* @since 5.0.0
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*
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* @param array $product_ids Array of product IDs.
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*
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* @return array
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*/
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public static function get_review_counts_for_product_ids( $product_ids ) {
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global $wpdb;
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if ( empty( $product_ids ) ) {
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return array();
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}
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$product_id_string_placeholder = substr( str_repeat( ',%s', count( $product_ids ) ), 1 );
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$review_counts = $wpdb->get_results(
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// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Ignored for allowing interpolation in IN query.
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$wpdb->prepare(
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"
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SELECT comment_post_ID as product_id, COUNT( comment_post_ID ) as review_count
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FROM $wpdb->comments
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WHERE
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comment_parent = 0
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AND comment_post_ID IN ( $product_id_string_placeholder )
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AND comment_approved = '1'
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AND comment_type in ( 'review', '', 'comment' )
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GROUP BY product_id
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",
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$product_ids
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),
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// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared.
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ARRAY_A
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);
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// Convert to key value pairs.
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$counts = array_replace( array_fill_keys( $product_ids, 0 ), array_column( $review_counts, 'review_count', 'product_id' ) );
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return $counts;
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}
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/**
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* Get product review count for a product (not replies). 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 $product Product instance.
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* @return int
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*/
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public static function get_review_count_for_product( &$product ) {
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$counts = self::get_review_counts_for_product_ids( array( $product->get_id() ) );
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return $counts[ $product->get_id() ];
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}
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/**
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* Get product rating count 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 $product Product instance.
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* @return int[]
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*/
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public static function get_rating_counts_for_product( &$product ) {
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global $wpdb;
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$counts = array();
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$raw_counts = $wpdb->get_results(
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$wpdb->prepare(
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"
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SELECT meta_value, COUNT( * ) as meta_value_count FROM $wpdb->commentmeta
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LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID
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WHERE meta_key = 'rating'
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AND comment_post_ID = %d
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AND comment_approved = '1'
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AND meta_value > 0
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GROUP BY meta_value
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",
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$product->get_id()
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)
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);
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foreach ( $raw_counts as $count ) {
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$counts[ $count->meta_value ] = absint( $count->meta_value_count ); // WPCS: slow query ok.
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}
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return $counts;
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}
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/**
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* Update comment type of product reviews.
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*
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* @since 3.5.0
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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 update_comment_type( $comment_data ) {
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if ( ! is_admin() && isset( $_POST['comment_post_ID'], $comment_data['comment_type'] ) && self::is_default_comment_type( $comment_data['comment_type'] ) && 'product' === get_post_type( absint( $_POST['comment_post_ID'] ) ) ) { // WPCS: input var ok, CSRF ok.
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$comment_data['comment_type'] = 'review';
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}
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return $comment_data;
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}
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/**
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* Determines if a comment is of the default type.
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*
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* Prior to WordPress 5.5, '' was the default comment type.
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* As of 5.5, the default type is 'comment'.
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*
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* @since 4.3.0
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* @param string $comment_type Comment type.
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* @return bool
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*/
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private static function is_default_comment_type( $comment_type ) {
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return ( '' === $comment_type || 'comment' === $comment_type );
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}
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}
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WC_Comments::init();
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