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<?php
defined( 'ABSPATH' ) || die( 'Cheatin\' uh?' );
class SQ_Models_Services_Pixel extends SQ_Models_Abstract_Seo {
public function __construct() {
parent::__construct();
if ( isset( $this->_post->sq->doseo ) && $this->_post->sq->doseo ) {
if ( ! $this->_post->sq->do_fpixel ) {
add_filter( 'sq_facebook_pixel', array( $this, 'returnFalse' ) );
return;
}
if ( function_exists( 'is_user_logged_in' ) && is_user_logged_in() && ! SQ_Classes_Helpers_Tools::getOption( 'sq_tracking_logged_users' ) ) {
return;
}
if ( SQ_Classes_Helpers_Tools::getOption( 'sq_auto_amp' ) && SQ_Classes_Helpers_Tools::isAMPEndpoint() ) {
add_filter( 'sq_facebook_pixel', array( $this, 'returnFalse' ) );
add_filter( 'sq_facebook_pixel_amp', array( $this, 'packPixelAMP' ), 99 );
} else {
add_filter( 'sq_facebook_pixel', array( $this, 'generatePixel' ) );
add_filter( 'sq_facebook_pixel', array( $this, 'packPixel' ), 99 );
}
} else {
add_filter( 'sq_facebook_pixel', array( $this, 'returnFalse' ) );
}
}
public function addOGPrefix( $prefix = '' ) {
$prefix .= 'og: http://ogp.me/ns#';
return $prefix;
}
public function generatePixel( $events = false ) {
if ( ! $events ) {
$events = array();
}
$codes = json_decode( wp_json_encode( SQ_Classes_Helpers_Tools::getOption( 'codes' ) ) );
if ( isset( $codes->facebook_pixel ) && $codes->facebook_pixel <> '' ) {
$domain = str_replace( array( 'http://', 'http://', 'www.' ), '', get_bloginfo( 'url' ) );
if ( $this->isHomePage() ) {
$events[] = array(
'type' => 'track',
'name' => 'PageView',
'params' => array( 'page' => get_bloginfo( 'url' ), 'domain' => $domain )
);
} else {
if ( isset( $this->_post->ID ) ) {
$params['content_ids'] = array( (string) $this->_post->ID );
}
$params['content_type'] = $this->_post->post_type;
if ( $this->_post->post_type == 'category' ) {
$category = get_category( get_query_var( 'cat' ), false );
if ( isset( $category->name ) ) {
$params['content_category'] = $category->name;
}
} elseif ( $this->_post->post_type == 'product' ) {
$params['content_name'] = $this->_post->post_title;
$cat = get_the_terms( $this->_post->ID, 'product_cat' );
if ( ! empty( $cat ) && ! is_wp_error( $cat ) ) {
$params['content_category'] = $cat[0]->name;
}
try {
if ( isset( $_SERVER['REQUEST_METHOD'] ) && $_SERVER['REQUEST_METHOD'] === 'POST' ) {
if ( isset( $params['content_ids'] ) && ! empty( $params['content_ids'] ) && isset( $params['content_type'] ) ) {
if ( function_exists( 'wc_get_product' ) && function_exists( 'get_woocommerce_currency' ) ) {
foreach ( $params['content_ids'] as $product_id ) {
if ( $product = wc_get_product( (int) $product_id ) ) {
$params['content_name'] = $product->get_name();
$params['value'] = $product->get_price();
$params['currency'] = get_woocommerce_currency();
}
}
}
$events[] = array(
'type' => 'track',
'name' => 'AddToCart',
'params' => $params
);
}
}
} catch ( Exception $e ) {
}
} elseif ( $this->_post->post_type == 'search' ) {
$search = get_search_query( true );
if ( $search <> '' ) {
$params['search_string'] = $search;
$events[] = array(
'type' => 'track',
'name' => 'Search',
'params' => $params
);
}
} elseif ( function_exists( 'is_checkout' ) && is_checkout() && isset( $this->_post->ID ) ) {
global $woocommerce;
if ( isset( $woocommerce->cart->total ) && $woocommerce->cart->total > 0 ) {
$params['value'] = $woocommerce->cart->total;
if ( isset( $woocommerce->cart->cart_contents ) && ! empty( $woocommerce->cart->cart_contents ) ) {
$quantity = 0;
foreach ( $woocommerce->cart->cart_contents as $product ) {
$quantity += $product['quantity'];
}
if ( $quantity > 0 ) {
$params['num_items'] = $quantity;
}
}
$events[] = array(
'type' => 'track',
'name' => 'InitiateCheckout',
'params' => $params
);
} elseif ( SQ_Classes_Helpers_Tools::getIsset( 'key' ) && function_exists( 'wc_get_order' ) ) {
$params['content_type'] = 'purchase';
global $wpdb;
$query = "SELECT `post_id` FROM `$wpdb->postmeta` WHERE `meta_key` = '_order_key' AND `meta_value`= %s";
if ( $post = $wpdb->get_row( $wpdb->prepare( $query, SQ_Classes_Helpers_Tools::getValue( 'key' ) ) ) ) {
if ( $order = wc_get_order( $post->post_id ) ) {
$params['content_type'] = "checkout";
$params['value'] = $order->get_total();
$params['currency'] = $order->get_order_currency();
$events[] = array(
'type' => 'track',
'name' => 'Purchase',
'params' => $params
);
}
}
}
} else {
$cat = get_the_terms( $this->_post->ID, 'category' );
if ( ! empty( $cat ) && ! is_wp_error( $cat ) ) {
$params['content_category'] = $cat[0]->name;
}
}
$params['page'] = $this->_post->url;
$params['domain'] = $domain;
if ( isset( $params['content_ids'] ) && isset( $params['content_type'] ) ) {
$events[] = array(
'type' => 'track',
'name' => 'ViewContent',
'params' => $params
);
} else {
$events[] = array(
'type' => 'trackCustom',
'name' => 'GeneralEvent',
'params' => $params
);
}
$events[] = array(
'type' => 'track',
'name' => 'PageView',
'params' => array( 'page' => $params['page'], 'domain' => $params['domain'] )
);
}
}
return $this->clean( $events );
}
public function clean( $var ) {
if ( is_array( $var ) ) {
return array_map( array( $this, 'clean' ), $var );
} else {
return is_string( $var ) ? ( ( strpos( $var, '://' ) !== false ) ? esc_url( $var ) : sanitize_text_field( $var ) ) : $var;
}
}
public function packPixel( $events = '' ) {
//If custom Facebook Pixel is set
if ( $this->_post->sq->fpixel ) {
return $this->_post->sq->fpixel;
} else {
//Compatibility with ACF
if ( SQ_Classes_Helpers_Tools::isPluginInstalled( 'advanced-custom-fields/acf.php' ) ) {
if ( isset( $this->_post->ID ) && $this->_post->ID ) {
if ( $_sq_pixel_custom = get_post_meta( $this->_post->ID, '_sq_pixel_custom', true ) ) {
if ( strpos( $_sq_pixel_custom, '<script>' ) !== false ) {
return $_sq_pixel_custom;
} else {
return '<script>' . $_sq_pixel_custom . '</script>';
}
}
}
}
if ( ! empty( $events ) ) {
$codes = json_decode( wp_json_encode( SQ_Classes_Helpers_Tools::getOption( 'codes' ) ) );
$track = '';
foreach ( $events as $event ) {
$track .= "fbq('" . $event['type'] . "', '" . $event['name'] . "', '" . wp_json_encode( $event['params'] ) . "');";
}
return sprintf( "<script>!function(f,b,e,v,n,t,s){if(f.fbq)return;n=f.fbq=function(){n.callMethod?n.callMethod.apply(n,arguments):n.queue.push(arguments)};if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';n.queue=[];t=b.createElement(e);t.async=!0;t.src=v;s=b.getElementsByTagName(e)[0];s.parentNode.insertBefore(t,s)}(window,document,'script','https://connect.facebook.net/en_US/fbevents.js');fbq('init', '%s');%s</script><noscript><img height='1' width='1' alt='' style='display:none' src='https://www.facebook.com/tr?id=%s&ev=PageView&noscript=1'/></noscript>" . "\n", $codes->facebook_pixel, $track, $codes->facebook_pixel );
}
}
return false;
}
public function packPixelAMP() {
$codes = json_decode( wp_json_encode( SQ_Classes_Helpers_Tools::getOption( 'codes' ) ) );
if ( isset( $codes->facebook_pixel ) && $codes->facebook_pixel <> '' ) {
$events = $this->generatePixel();
$track = '';
foreach ( $events as $event ) {
$cd = '';
if ( isset( $event['params'] ) ) {
foreach ( $event['params'] as $key => $value ) {
if ( is_array( $value ) && ! empty( $value ) ) {
$cd .= sprintf( '&cd[%s]=%s', $key, join( ',', $value ) );
} else {
$cd .= sprintf( '&cd[%s]=%s', $key, urlencode( $value ) );
}
}
}
$track .= sprintf( '<amp-pixel src="https://www.facebook.com/tr?id=%s&ev=%s%s&noscript=1"></amp-pixel>', $codes->facebook_pixel, $event['name'], $cd ) . "\n";
}
return $track;
}
return false;
}
}