woocommerce/includes/class-wc-comments.php

436 lines
12 KiB
PHP

<?php
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
/**
* Comments
*
* Handle comments (reviews and order notes).
*
* @class WC_Comments
* @version 2.3.0
* @package WooCommerce/Classes/Products
* @category Class
* @author WooThemes
*/
class WC_Comments {
/**
* Hook in methods.
*/
public static function init() {
// Rating posts
add_filter( 'preprocess_comment', array( __CLASS__, 'check_comment_rating' ), 0 );
add_action( 'comment_post', array( __CLASS__, 'add_comment_rating' ), 1 );
add_action( 'comment_moderation_recipients', array( __CLASS__, 'comment_moderation_recipients' ), 10, 2 );
// Clear transients
add_action( 'wp_update_comment_count', array( __CLASS__, 'clear_transients' ) );
// Secure order notes
add_filter( 'comments_clauses', array( __CLASS__, 'exclude_order_comments' ), 10, 1 );
add_action( 'comment_feed_join', array( __CLASS__, 'exclude_order_comments_from_feed_join' ) );
add_action( 'comment_feed_where', array( __CLASS__, 'exclude_order_comments_from_feed_where' ) );
// Secure webhook comments
add_filter( 'comments_clauses', array( __CLASS__, 'exclude_webhook_comments' ), 10, 1 );
add_action( 'comment_feed_join', array( __CLASS__, 'exclude_webhook_comments_from_feed_join' ) );
add_action( 'comment_feed_where', array( __CLASS__, 'exclude_webhook_comments_from_feed_where' ) );
// Count comments
add_filter( 'wp_count_comments', array( __CLASS__, 'wp_count_comments' ), 10, 2 );
// Delete comments count cache whenever there is a new comment or a comment status changes
add_action( 'wp_insert_comment', array( __CLASS__, 'delete_comments_count_cache' ) );
add_action( 'wp_set_comment_status', array( __CLASS__, 'delete_comments_count_cache' ) );
// Support avatars for `review` comment type
add_filter( 'get_avatar_comment_types', array( __CLASS__, 'add_avatar_for_review_comment_type' ) );
// Review of verified purchase
add_action( 'comment_post', array( __CLASS__, 'add_comment_purchase_verification' ) );
}
/**
* Exclude order comments from queries and RSS.
*
* This code should exclude shop_order comments from queries. Some queries (like the recent comments widget on the dashboard) are hardcoded.
* and are not filtered, however, the code current_user_can( 'read_post', $comment->comment_post_ID ) should keep them safe since only admin and.
* shop managers can view orders anyway.
*
* The frontend view order pages get around this filter by using remove_filter('comments_clauses', array( 'WC_Comments' ,'exclude_order_comments'), 10, 1 );
* @param array $clauses
* @return array
*/
public static function exclude_order_comments( $clauses ) {
global $wpdb, $typenow;
if ( is_admin() && in_array( $typenow, wc_get_order_types() ) && current_user_can( 'manage_woocommerce' ) ) {
return $clauses; // Don't hide when viewing orders in admin
}
if ( ! $clauses['join'] ) {
$clauses['join'] = '';
}
if ( ! stristr( $clauses['join'], "JOIN $wpdb->posts ON" ) ) {
$clauses['join'] .= " LEFT JOIN $wpdb->posts ON comment_post_ID = $wpdb->posts.ID ";
}
if ( $clauses['where'] ) {
$clauses['where'] .= ' AND ';
}
$clauses['where'] .= " $wpdb->posts.post_type NOT IN ('" . implode( "','", wc_get_order_types() ) . "') ";
return $clauses;
}
/**
* Exclude order comments from queries and RSS.
* @param string $join
* @return string
*/
public static function exclude_order_comments_from_feed_join( $join ) {
global $wpdb;
if ( ! stristr( $join, "JOIN $wpdb->posts ON" ) ) {
$join = " LEFT JOIN $wpdb->posts ON $wpdb->comments.comment_post_ID = $wpdb->posts.ID ";
}
return $join;
}
/**
* Exclude order comments from queries and RSS.
* @param string $where
* @return string
*/
public static function exclude_order_comments_from_feed_where( $where ) {
global $wpdb;
if ( $where ) {
$where .= ' AND ';
}
$where .= " $wpdb->posts.post_type NOT IN ('" . implode( "','", wc_get_order_types() ) . "') ";
return $where;
}
/**
* Exclude webhook comments from queries and RSS.
* @since 2.2
* @param array $clauses
* @return array
*/
public static function exclude_webhook_comments( $clauses ) {
global $wpdb;
if ( ! $clauses['join'] ) {
$clauses['join'] = '';
}
if ( ! strstr( $clauses['join'], "JOIN $wpdb->posts" ) ) {
$clauses['join'] .= " LEFT JOIN $wpdb->posts ON comment_post_ID = $wpdb->posts.ID ";
}
if ( $clauses['where'] ) {
$clauses['where'] .= ' AND ';
}
$clauses['where'] .= " $wpdb->posts.post_type <> 'shop_webhook' ";
return $clauses;
}
/**
* Exclude webhook comments from queries and RSS.
* @since 2.2
* @param string $join
* @return string
*/
public static function exclude_webhook_comments_from_feed_join( $join ) {
global $wpdb;
if ( ! strstr( $join, $wpdb->posts ) ) {
$join = " LEFT JOIN $wpdb->posts ON $wpdb->comments.comment_post_ID = $wpdb->posts.ID ";
}
return $join;
}
/**
* Exclude webhook comments from queries and RSS.
* @since 2.1
* @param string $where
* @return string
*/
public static function exclude_webhook_comments_from_feed_where( $where ) {
global $wpdb;
if ( $where ) {
$where .= ' AND ';
}
$where .= " $wpdb->posts.post_type <> 'shop_webhook' ";
return $where;
}
/**
* Validate the comment ratings.
*
* @param array $comment_data
* @return array
*/
public static function check_comment_rating( $comment_data ) {
// If posting a comment (not trackback etc) and not logged in
if ( ! is_admin() && isset( $_POST['comment_post_ID'], $_POST['rating'], $comment_data['comment_type'] ) && 'product' === get_post_type( $_POST['comment_post_ID'] ) && empty( $_POST['rating'] ) && '' === $comment_data['comment_type'] && 'yes' === get_option( 'woocommerce_enable_review_rating' ) && 'yes' === get_option( 'woocommerce_review_rating_required' ) ) {
wp_die( __( 'Please rate the product.', 'woocommerce' ) );
exit;
}
return $comment_data;
}
/**
* Rating field for comments.
* @param int $comment_id
*/
public static function add_comment_rating( $comment_id ) {
if ( isset( $_POST['rating'] ) && 'product' === get_post_type( $_POST['comment_post_ID'] ) ) {
if ( ! $_POST['rating'] || $_POST['rating'] > 5 || $_POST['rating'] < 0 ) {
return;
}
add_comment_meta( $comment_id, 'rating', (int) esc_attr( $_POST['rating'] ), true );
$post_id = isset( $_POST['comment_post_ID'] ) ? (int) $_POST['comment_post_ID'] : 0;
if ( $post_id ) {
self::clear_transients( $post_id );
}
}
}
/**
* Modify recipient of review email.
* @param array $emails
* @param int $comment_id
* @return array
*/
public static function comment_moderation_recipients( $emails, $comment_id ) {
$comment = get_comment( $comment_id );
if ( $comment && 'product' === get_post_type( $comment->comment_post_ID ) ) {
$emails = array( get_option( 'admin_email' ) );
}
return $emails;
}
/**
* Ensure product average rating and review count is kept up to date.
* @param int $post_id
*/
public static function clear_transients( $post_id ) {
if ( 'product' === get_post_type( $post_id ) ) {
$product = wc_get_product( $post_id );
self::get_rating_counts_for_product( $product );
self::get_average_rating_for_product( $product );
self::get_review_count_for_product( $product );
}
}
/**
* Delete comments count cache whenever there is
* new comment or the status of a comment changes. Cache
* will be regenerated next time WC_Comments::wp_count_comments()
* is called.
*
* @return void
*/
public static function delete_comments_count_cache() {
delete_transient( 'wc_count_comments' );
}
/**
* Remove order notes and webhook delivery logs from wp_count_comments().
*
* @since 2.2
* @param object $stats Comment stats.
* @param int $post_id Post ID.
* @return object
*/
public static function wp_count_comments( $stats, $post_id ) {
global $wpdb;
if ( 0 === $post_id ) {
$stats = get_transient( 'wc_count_comments' );
if ( ! $stats ) {
$stats = array();
$count = $wpdb->get_results( "
SELECT comment_approved, COUNT(*) AS num_comments
FROM {$wpdb->comments}
WHERE comment_type NOT IN ('order_note', 'webhook_delivery')
GROUP BY comment_approved
", ARRAY_A );
$total = 0;
$approved = array(
'0' => 'moderated',
'1' => 'approved',
'spam' => 'spam',
'trash' => 'trash',
'post-trashed' => 'post-trashed',
);
foreach ( (array) $count as $row ) {
// Don't count post-trashed toward totals.
if ( 'post-trashed' !== $row['comment_approved'] && 'trash' !== $row['comment_approved'] ) {
$total += $row['num_comments'];
}
if ( isset( $approved[ $row['comment_approved'] ] ) ) {
$stats[ $approved[ $row['comment_approved'] ] ] = $row['num_comments'];
}
}
$stats['total_comments'] = $total;
$stats['all'] = $total;
foreach ( $approved as $key ) {
if ( empty( $stats[ $key ] ) ) {
$stats[ $key ] = 0;
}
}
$stats = (object) $stats;
set_transient( 'wc_count_comments', $stats );
}
}
return $stats;
}
/**
* Make sure WP displays avatars for comments with the `review` type.
* @since 2.3
* @param array $comment_types
* @return array
*/
public static function add_avatar_for_review_comment_type( $comment_types ) {
return array_merge( $comment_types, array( 'review' ) );
}
/**
* Determine if a review is from a verified owner at submission.
* @param int $comment_id
* @return bool
*/
public static function add_comment_purchase_verification( $comment_id ) {
$comment = get_comment( $comment_id );
$verified = false;
if ( 'product' === get_post_type( $comment->comment_post_ID ) ) {
$verified = wc_customer_bought_product( $comment->comment_author_email, $comment->user_id, $comment->comment_post_ID );
add_comment_meta( $comment_id, 'verified', (int) $verified, true );
}
return $verified;
}
/**
* Get product rating for a product. Please note this is not cached.
*
* @since 3.0.0
* @param WC_Product $product
* @return float
*/
public static function get_average_rating_for_product( &$product ) {
global $wpdb;
$count = $product->get_rating_count();
if ( $count ) {
$ratings = $wpdb->get_var( $wpdb->prepare("
SELECT SUM(meta_value) FROM $wpdb->commentmeta
LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID
WHERE meta_key = 'rating'
AND comment_post_ID = %d
AND comment_approved = '1'
AND meta_value > 0
", $product->get_id() ) );
$average = number_format( $ratings / $count, 2, '.', '' );
} else {
$average = 0;
}
$product->set_average_rating( $average );
$data_store = $product->get_data_store();
$data_store->update_average_rating( $product );
return $average;
}
/**
* Get product review count for a product (not replies). Please note this is not cached.
*
* @since 3.0.0
* @param WC_Product $product
* @return int
*/
public static function get_review_count_for_product( &$product ) {
global $wpdb;
$count = $wpdb->get_var( $wpdb->prepare("
SELECT COUNT(*) FROM $wpdb->comments
WHERE comment_parent = 0
AND comment_post_ID = %d
AND comment_approved = '1'
", $product->get_id() ) );
$product->set_review_count( $count );
$data_store = $product->get_data_store();
$data_store->update_review_count( $product );
return $count;
}
/**
* Get product rating count for a product. Please note this is not cached.
*
* @since 3.0.0
* @param WC_Product $product
* @return array of integers
*/
public static function get_rating_counts_for_product( &$product ) {
global $wpdb;
$counts = array();
$raw_counts = $wpdb->get_results( $wpdb->prepare( "
SELECT meta_value, COUNT( * ) as meta_value_count FROM $wpdb->commentmeta
LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID
WHERE meta_key = 'rating'
AND comment_post_ID = %d
AND comment_approved = '1'
AND meta_value > 0
GROUP BY meta_value
", $product->get_id() ) );
foreach ( $raw_counts as $count ) {
$counts[ $count->meta_value ] = absint( $count->meta_value_count );
}
$product->set_rating_counts( $counts );
$data_store = $product->get_data_store();
$data_store->update_rating_counts( $product );
return $counts;
}
}
WC_Comments::init();