first commit

wp-content/plugins/pixelyoursite/includes/class-events-manager-ajax_hook.php

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+<?php
+namespace PixelYourSite;
+
+if ( ! defined( 'ABSPATH' ) ) {
+    exit; // Exit if accessed directly.
+}
+
+
+class AjaxHookEventManager {
+
+    public static $DIV_ID_FOR_AJAX_EVENTS = "pys_ajax_events";
+    private static $_instance;
+
+    static function addPendingEvent($name,$event) {
+        $events = WC()->session->get( 'pys_events', array() );
+        $events[$name] = $event;
+        WC()->session->set( 'pys_events', $events );
+    }
+
+    /**
+     * @param $name
+     * @param $slug
+     * @return mixed|null
+     */
+    static function getPendingEvent($name,$unset) {
+        if ( function_exists( 'WC' ) ) {
+            if(!WC()->session) return null;
+            $session_data = WC()->session->get_session_data();
+            $events = isset( $session_data['pys_events'] ) ? WC()->session->get( 'pys_events', array() ) : array();
+            PYS()->getLog()->debug('events hook called', $events);
+            if (isset($events[$name])) {
+                $event = $events[$name];
+                if ($unset) {
+                    unset($events[$name]);
+                    WC()->session->set('pys_events', $events);
+                }
+                return $event;
+            }
+            return null;
+        }
+        return null;
+    }
+
+    public static function instance() {
+
+        if ( is_null( self::$_instance ) ) {
+            self::$_instance = new self();
+        }
+
+        return self::$_instance;
+
+    }
+
+    public function __construct() {
+
+    }
+
+    public function addHooks() {
+
+
+        if(EventsWoo()->isEnabled()) {
+
+            // use for fb server only because ajax request cause bugs in woo
+
+
+            if ( PYS()->getOption('woo_add_to_cart_on_button_click')
+                && isEventEnabled('woo_add_to_cart_enabled')
+            )
+            {
+                add_action( 'woocommerce_after_add_to_cart_button', 'PixelYourSite\EventsManager::setupWooSingleProductData' );
+                if(PYS()->getOption('woo_add_to_cart_catch_method') == "add_cart_hook") {
+                    add_action( 'wp_footer', array( __CLASS__, 'addDivForAjaxPixelEvent')  );
+                    add_action( 'woocommerce_add_to_cart',array(__CLASS__, 'trackWooAddToCartEvent'),40, 6);
+                    if (wp_doing_ajax()) {
+                        add_filter('woocommerce_add_to_cart_fragments', array(__CLASS__, 'addPixelCodeToAddToCartFragment'));
+                    } else {
+                        add_action("wp_footer",array(__CLASS__, 'printEvent'));
+                    }
+                } else {
+                    add_action( 'woocommerce_after_add_to_cart_button', 'PixelYourSite\EventsManager::setupWooSingleProductData' );
+                }
+
+
+            }
+        }
+
+
+
+    }
+
+
+    static function trackWooAddToCartEvent($cart_item_key, $product_id, $quantity, $variation_id, $variation, $cart_item_data) {
+
+        if(isset($cart_item_data['woosb_parent_id'])) return; // fix for WPC Product Bundles for WooCommerce (Premium) product
+
+        $is_ajax_request = wp_doing_ajax();
+        if( isset( $_REQUEST['action'] ) && $_REQUEST['action'] == 'yith_wacp_add_item_cart') {
+            $is_ajax_request = true;
+        }
+        $standardParams = getStandardParams();
+
+        PYS()->getLog()->debug('trackWooAddToCartEvent is_ajax_request '.$is_ajax_request);
+        $dataList = [];
+        foreach ( PYS()->getRegisteredPixels() as $pixel ) {
+
+            if( !empty($variation_id)
+                && $variation_id > 0
+                && ( !$pixel->getOption( 'woo_variable_as_simple' )
+                    || ( $pixel->getSlug() == "facebook"
+                        && !Facebook\Helpers\isDefaultWooContentIdLogic()
+                    )
+                )
+            ) {
+                $_product_id = $variation_id;
+            } else {
+                $_product_id = $product_id;
+            }
+
+
+            $event = new SingleEvent('woo_add_to_cart_on_button_click',EventTypes::$STATIC,'woo');
+            $event->args = ['productId' => $_product_id,'quantity' => $quantity];
+            $events = $pixel->generateEvents( $event );
+
+            if ( count($events) == 0 ) {
+                continue; // event is disabled or not supported for the pixel
+            }
+            $event = $events[0];
+
+            // add standard params
+            $event->addParams($standardParams);
+
+            // prepare event data
+            $eventData = $event->getData();
+            $eventData = EventsManager::filterEventParams($eventData,"woo");
+
+            $dataList[$pixel->getSlug()] = $eventData;
+
+            if($pixel->getSlug() == "facebook" && Facebook()->isServerApiEnabled()) {
+
+                if($is_ajax_request) {
+                    FacebookServer()->sendEventsNow([$event]);
+                } else {
+                    FacebookServer()->sendEventsAsync([$event]);
+                }
+            }
+        }
+        AjaxHookEventManager::addPendingEvent("woo_add_to_cart_on_button_click",$dataList);
+    }
+
+    public static function printEvent() {
+        $pixelsEventData = self::getPendingEvent("woo_add_to_cart_on_button_click",true);
+        if( !is_null($pixelsEventData) ) {
+            PYS()->getLog()->debug('trackWooAddToCartEvent printEvent is footer');
+            echo "<div id='pys_late_event' style='display:none' dir='".json_encode($pixelsEventData,JSON_HEX_APOS)."'></div>";
+        }
+    }
+
+    public  static function addDivForAjaxPixelEvent(){
+
+        echo self::getDivForAjaxPixelEvent();
+        ?>
+        <script>
+            var node = document.getElementsByClassName('woocommerce-message')[0];
+            if(node && document.getElementById('pys_late_event')) {
+                var messageText = node.textContent.trim();
+                if(!messageText) {
+                    node.style.display = 'none';
+                }
+            }
+        </script>
+        <?php
+    }
+
+    public  static function getDivForAjaxPixelEvent($content = ''){
+        return "<div id='".self::$DIV_ID_FOR_AJAX_EVENTS."'>" . $content . "</div>";
+    }
+
+    public static function addPixelCodeToAddToCarMessage($message, $products, $show_qty) {
+        $pixelsEventData = self::getPendingEvent("woo_add_to_cart_on_button_click",true);
+        if( !is_null($pixelsEventData) ){
+            $message .= "<div id='pys_late_event' dir='".json_encode($pixelsEventData,JSON_HEX_APOS)."'></div>";
+        }
+        return $message;
+    }
+
+    public static function addPixelCodeToAddToCartFragment($fragments) {
+
+
+        $pixelsEventData = self::getPendingEvent("woo_add_to_cart_on_button_click",true);
+        if( !is_null($pixelsEventData) ){
+            PYS()->getLog()->debug('addPixelCodeToAddToCartFragment send data with fragment');
+            $pixel_code = self::generatePixelCode($pixelsEventData);
+            $fragments['#'.self::$DIV_ID_FOR_AJAX_EVENTS] =
+                self::getDivForAjaxPixelEvent($pixel_code);
+        }
+
+        return $fragments;
+    }
+
+    public static function generatePixelCode($pixelsEventData){
+
+        ob_start();
+        //$cartHashKey = apply_filters( 'woocommerce_cart_hash_key', 'wc_cart_hash_' . md5( get_current_blog_id() . '_' . get_site_url( get_current_blog_id(), '/' ) . get_template() ) );
+        ?>
+        <script>
+            function pys_getCookie(name) {
+                var v = document.cookie.match('(^|;) ?' + name + '=([^;]*)(;|$)');
+                return v ? v[2] : null;
+            }
+            function pys_setCookie(name, value, days) {
+                var d = new Date;
+                d.setTime(d.getTime() + 24*60*60*1000*days);
+                document.cookie = name + "=" + value + ";path=/;expires=" + d.toGMTString();
+            }
+            var name = 'pysAddToCartFragmentId';
+            var cartHash = "<?=WC()->cart->get_cart_hash()?>";
+
+            if(pys_getCookie(name) != cartHash) { // prevent re send event if user update page
+                <?php foreach ($pixelsEventData as $slug => $eventData) : ?>
+
+                var pixel = getPixelBySlag('<?=$slug?>');
+                var event = <?=json_encode($eventData)?>;
+                pixel.fireEvent(event.name, event);
+
+                <?php  endforeach; ?>
+                pys_setCookie(name,cartHash,90)
+            }
+        </script>
+        <?php
+
+        $code = ob_get_clean();
+        return $code;
+    }
+
+
+
+
+}