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Edit File: NotificationBlocks.php

<?php namespace WPForms\Emails; use WPForms\Admin\Notifications\Notifications; /** * Notification class. * This class is responsible for displaying the notification block in the email summaries. * * @since 1.8.8 */ class NotificationBlocks { /** * Notifications class instance. * * @since 1.8.8 * * @var Notifications */ private $notifications; /** * Class constructor. * Initializes the Notifications class instance. * * @since 1.8.8 */ public function __construct() { // Store the instance of the "Notifications" class. $this->notifications = wpforms()->obj( 'notifications' ); } /** * Retrieves the notification block from the feed, considering shown notifications and license type. * * @since 1.8.8 * * @return array */ public function get_block(): array { // Check if the user has access to notifications. // If the user has disabled announcements, return an empty array. if ( ! $this->notifications || ! $this->notifications->has_access() ) { return []; } // Get the response array from the notifications. $notifications = $this->notifications->get_option(); // Check if 'feed' key is present and non-empty. if ( empty( $notifications['feed'] ) || ! is_array( $notifications['feed'] ) ) { return []; } // Remove items from $feed where their id index is in `shown_notifications` option value. $feed = $this->filter_feed( $notifications['feed'] ); // Sort the array of items using usort and the custom comparison function. $feed = $this->sort_feed( $feed ); // Get the very first item from the $feed. $block = reset( $feed ); // Check if $block is empty. if ( empty( $block ) ) { return []; } // Return the notification block. return $this->prepare_and_sanitize_content( $block ); } /** * Save the shown notification block if it's not empty. * * @since 1.8.8 * * @param array $notification The notification to be saved. */ public function maybe_remember_shown_block( array $notification ) { // Check if the notification or its ID is empty. if ( empty( $notification ) || empty( $notification['id'] ) ) { // If the notification or its ID is empty, return early. return; } // Get shown notifications from options. $shown_notifications = (array) get_option( 'wpforms_email_summaries_shown_notifications', [] ); // Add the notification id to the $shown_notifications array. $shown_notifications[] = (int) $notification['id']; // Update the shown notifications in the options. // Avoid autoloading the option, as it's not needed. update_option( 'wpforms_email_summaries_shown_notifications', $shown_notifications, false ); } /** * Filter the feed to remove shown notifications. * * @since 1.8.8 * * @param array $feed The feed to filter. * * @return array */ private function filter_feed( array $feed ): array { $shown_notifications = (array) get_option( 'wpforms_email_summaries_shown_notifications', [] ); return array_filter( $feed, static function ( $item ) use ( $shown_notifications ) { return ! in_array( $item['id'], $shown_notifications, true ); } ); } /** * Sort the feed in descending order by start date. * * @since 1.8.8 * * @param array $feed The feed to sort. * * @return array */ private function sort_feed( array $feed ): array { usort( $feed, static function ( $a, $b ) { return strtotime( $b['start'] ) - strtotime( $a['start'] ); } ); return $feed; } /** * Prepare and sanitize content for display. * * @since 1.8.8 * * @param string|array $content The content to be prepared and sanitized. * * @return string|array */ private function prepare_and_sanitize_content( $content ) { // If the content is empty, return as is. if ( empty( $content ) ) { return $content; } // If the content is already a string, sanitize and return it. if ( is_string( $content ) ) { // Define allowed HTML tags and attributes. $content_allowed_tags = $this->notifications->get_allowed_tags(); // For design consistency, remove the 'p' tag from the allowed tags. unset( $content_allowed_tags['p'] ); // Apply wp_kses() for sanitization. return wp_kses( $content, $content_allowed_tags ); } // If the content is an array with the 'content' index, modify and sanitize it. if ( is_array( $content ) && isset( $content['content'] ) ) { // Sanitize the content of the array. $content['content'] = $this->prepare_and_sanitize_content( $content['content'] ); // Return the modified array. return $content; } // If the content is not a string or an array with 'content' index, return the content as is. return $content; } }
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