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编辑当前文件:/home/ezdajrnh/www/wp-content/plugins/facebook-for-woocommerce/facebook-commerce-admin-banner.php

<?php
/**
 * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved
 *
 * This source code is licensed under the license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @package FacebookCommerce
 */

/**
 * Outputs WhatApp utility messaging promo banner
 *
 * @since 3.5.2
 */

/**
 * WhatsApp Admin Banner class for Facebook for WooCommerce.
 */
class WC_Facebookcommerce_Admin_Banner {
	const BANNER_ID = 'wc_facebook_promo_banner';

public function __construct() {
		add_action(
			'admin_enqueue_scripts',
			array( $this, 'enqueue_banner_script' )
		);
		add_action(
			'wp_ajax_wc_facebook_dismiss_banner',
			array( $this, 'ajax_dismiss_banner' )
		);
	}

/**
	 * Enqueue the admin banner script and localize data.
	 */
	public function enqueue_banner_script() {
		wp_enqueue_script(
			'whatsapp-admin-banner',
			plugins_url(
				'assets/js/admin/whatsapp-admin-banner.js',
				__FILE__
			),
			array( 'jquery' ),
			'1.0',
			true
		);
		wp_localize_script(
			'whatsapp-admin-banner',
			'WCFBAdminBanner',
			array(
				'ajax_url'  => admin_url( 'admin-ajax.php' ),
				'nonce'     => wp_create_nonce( self::BANNER_ID ),
				'banner_id' => self::BANNER_ID,
			)
		);
	}

/**
	 * AJAX handler to dismiss the banner.
	 */
	public function ajax_dismiss_banner() {
		check_ajax_referer( self::BANNER_ID, 'nonce' );
		update_user_meta(
			get_current_user_id(),
			self::BANNER_ID . '_dismissed',
			true
		);
	}

/**
	 * Output the banner HTML if it should be shown.
	 */
	public function render_banner() {
		// Check if the WhatsApp admin banner should be shown.
		if ( ! current_user_can( 'manage_woocommerce' ) ) {
			return;
		}

$impressions = (int) get_user_meta( get_current_user_id(), self::BANNER_ID . '_impressions', true );
		$dismissed   = (bool) get_user_meta( get_current_user_id(), self::BANNER_ID . '_dismissed', true );

// Check if banner is not dismissed and impressions haven't crossed 3 views
		if ( ! ( ( $impressions < 3 ) && ! $dismissed ) ) {
			return;
		}

// Update Impressions
		update_user_meta( get_current_user_id(), self::BANNER_ID . '_impressions', $impressions + 1 );

$banner_html  = '<div class="fb-wa-banner" data-nonce="' .
			esc_attr( wp_create_nonce( self::BANNER_ID ) ) .
			'" data-banner-id="' .
			esc_attr( self::BANNER_ID ) .
			'">';
		$banner_html .= '<img src="' .
			esc_url(
				plugins_url(
					'assets/images/ico-whatsapp.png',
					__FILE__
				)
			) .
			'" width="36" height="36" alt="WhatsApp Logo" />';
		$banner_html .= '<h2>Try WhatsApp on WooCommerce</h2>';
		$banner_html .= '<p>Send timely order updates to customers on WhatsApp when '
			. 'they buy from your store. Connect WhatsApp to WooCommerce to get started '
			. 'started.</p>';
		$banner_html .= '<a class="wa-cta-button" '
			. 'href="' . esc_url( admin_url( 'admin.php?page=wc-whatsapp' ) ) . '"'
			. '>Get started</a>';
		$banner_html .= '<a class="wa-close-button" title="Close banner" '
			. 'href="#"><img src="' .
			esc_url(
				plugins_url(
					'assets/images/ico-close.svg',
					__FILE__
				)
			) .
			'" width="16" height="16" alt="Close button" /></a>';
		$banner_html .= '</div>';

echo wp_kses_post( $banner_html );
	}
}