Jetpack_WooCommerce_Analytics_Universal::wp_head_top() - Code Metrics - Inspection of "Fix ESLint errors" - Automattic/jetpack - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — try/another-block-button ( c033ce...50ed03 )

unknown
created 2020-04-02 11:58 UTC
wp_head_top() A

↳ Parent: Jetpack_WooCommerce_Analytics_Universal
Complexity

Conditions	6
Paths	2
Size

Total Lines
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
cc	6
nc	2
nop	0
dl	0
loc	8
rs	9.2222
c	0
b	0
f	0
<?php
/**
 * Jetpack_WooCommerce_Analytics_Universal
 *
 * @package Jetpack
 * @author Automattic
 */

/**
 * Bail if accessed directly
 */
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Class Jetpack_WooCommerce_Analytics_Universal
 * Filters and Actions added to Store pages to perform analytics
 */
class Jetpack_WooCommerce_Analytics_Universal {
	/**
	 * Jetpack_WooCommerce_Analytics_Universal constructor.
	 */
	public function __construct() {
		// loading _wca
		add_action( 'wp_head', array( $this, 'wp_head_top' ), 1 );

		// add to carts from non-product pages or lists (search, store etc.)
		add_action( 'wp_head', array( $this, 'loop_session_events' ), 2 );

		// loading s.js.
		add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_tracking_script' ) );

		// Capture cart events
		add_action( 'woocommerce_add_to_cart', array( $this, 'capture_add_to_cart' ), 10, 6 );

		// single product page view
		add_action( 'woocommerce_after_single_product', array( $this, 'capture_product_view' ) );

		add_action( 'woocommerce_after_cart', array( $this, 'remove_from_cart' ) );
		add_action( 'woocommerce_after_mini_cart', array( $this, 'remove_from_cart' ) );
		add_action( 'wcct_before_cart_widget', array( $this, 'remove_from_cart' ) );
		add_filter( 'woocommerce_cart_item_remove_link', array( $this, 'remove_from_cart_attributes' ), 10, 2 );

		// Checkout.
		// Send events after checkout template (shortcode).
		add_action( 'woocommerce_after_checkout_form', array( $this, 'checkout_process' ) );
		// Send events after checkout block.
		add_action( 'woocommerce_blocks_enqueue_checkout_block_scripts_after', array( $this, 'checkout_process' ) );

		// order confirmed
		add_action( 'woocommerce_thankyou', array( $this, 'order_process' ), 10, 1 );
		add_action( 'woocommerce_after_cart', array( $this, 'remove_from_cart_via_quantity' ), 10, 1 );
	}

	/**
	 * Make _wca available to queue events
	 */
	public function wp_head_top() {
		if ( is_cart() || is_checkout() || is_checkout_pay_page() || is_order_received_page() || is_add_payment_method_page() ) {
			$prevent_referrer_code = '<script>window._wca_prevent_referrer = true;</script>';
			echo "$prevent_referrer_code\r\n";
		}
		$wca_code = '<script>window._wca = window._wca || [];</script>';
		echo "$wca_code\r\n";
	}


	/**
	 * Place script to call s.js, Store Analytics.
	 */
	public function enqueue_tracking_script() {
		$filename = sprintf(
			'https://stats.wp.com/s-%d.js',
			gmdate( 'YW' )
		);

		// phpcs:ignore WordPress.WP.EnqueuedResourceParameters.MissingVersion
		wp_enqueue_script( 'woocommerce-analytics', esc_url( $filename ), array(), null, false );
	}

	/**
	 * Default event properties which should be included with all events.
	 *
	 * @return array Array of standard event props.
	 */
	public function get_common_properties() {
		$site_info          = array(
			'blog_id'     => Jetpack::get_option( 'id' ),
			'ui'          => $this->get_user_id(),
			'url'         => home_url(),
			'woo_version' => WC()->version,
		);
		$cart_checkout_info = self::get_cart_checkout_info();
		return array_merge( $site_info, $cart_checkout_info );
	}

	/**
	 * Render tracks event properties as string of JavaScript object props.
	 *
	 * @param  array $properties Array of key/value pairs.
	 * @return string String of the form "key1: value1, key2: value2, " (etc).
	 */
	private function render_properties_as_js( $properties ) {
		$js_args_string = '';
		foreach ( $properties as $key => $value ) {
			$js_args_string = $js_args_string . "'$key': '" . esc_js( $value ) . "', ";
		}
		return $js_args_string;
	}

	/**
	 * Record an event with optional custom properties.
	 *
	 * @param string  $event_name The name of the event to record.
	 * @param integer $product_id The id of the product relating to the event.
	 * @param array   $properties Optional array of (key => value) event properties.
	 */
	public function record_event( $event_name, $product_id, $properties = array() ) {
		$product = wc_get_product( $product_id );
		if ( ! $product instanceof WC_Product ) {
if ($x instanceof DoesNotExist) {
    // Do something.
}
			return;
		}
		$product_details = $this->get_product_details( $product );

		$all_props = array_merge(
			$properties,
			$this->get_common_properties()
		);

		wc_enqueue_js(
			"_wca.push( {
					'_en': '" . esc_js( $event_name ) . "',
					'pi': '" . esc_js( $product_id ) . "',
					'pn': '" . esc_js( $product_details['name'] ) . "',
					'pc': '" . esc_js( $product_details['category'] ) . "',
					'pp': '" . esc_js( $product_details['price'] ) . "',
					'pt': '" . esc_js( $product_details['type'] ) . "'," .
					$this->render_properties_as_js( $all_props ) . '
				} );'
		);
	}

	/**
	 * On product lists or other non-product pages, add an event listener to "Add to Cart" button click
	 */
	public function loop_session_events() {
		// Check for previous events queued in session data.
		if ( is_object( WC()->session ) ) {
			$data = WC()->session->get( 'wca_session_data' );
			if ( ! empty( $data ) ) {
				foreach ( $data as $data_instance ) {
					$this->record_event(
						$data_instance['event'],
						$data_instance['product_id'],
						array(
							'pq' => $data_instance['quantity'],
						)
					);
				}
				// Clear data, now that these events have been recorded.
				WC()->session->set( 'wca_session_data', '' );
			}
		}
	}

	/**
	 * On the cart page, add an event listener for removal of product click
	 */
	public function remove_from_cart() {
		$common_props = $this->render_properties_as_js(
			$this->get_common_properties()
		);

		// We listen at div.woocommerce because the cart 'form' contents get forcibly
		// updated and subsequent removals from cart would then not have this click
		// handler attached.
		wc_enqueue_js(
			"jQuery( 'div.woocommerce' ).on( 'click', 'a.remove', function() {
				var productID = jQuery( this ).data( 'product_id' );
				var quantity = jQuery( this ).parent().parent().find( '.qty' ).val()
				var productDetails = {
					'id': productID,
					'quantity': quantity ? quantity : '1',
				};
				_wca.push( {
					'_en': 'woocommerceanalytics_remove_from_cart',
					'pi': productDetails.id,
					'pq': productDetails.quantity, " .
					$common_props . '
				} );
			} );'
		);
	}

	/**
	 * Adds the product ID to the remove product link (for use by remove_from_cart above) if not present
	 *
	 * @param string $url Full HTML a tag of the link to remove an item from the cart.
	 * @param string $key Unique Key ID for a cart item.
	 *
	 * @return mixed.

	 */
	public function remove_from_cart_attributes( $url, $key ) {
		if ( false !== strpos( $url, 'data-product_id' ) ) {
			return $url;
		}

		$item    = WC()->cart->get_cart_item( $key );
		$product = $item['data'];

		$new_attributes = sprintf(
			'" data-product_id="%s">',
			esc_attr( $product->get_id() )
		);

		$url = str_replace( '">', $new_attributes, $url );
		return $url;
	}

	/**
	 * Gather relevant product information
	 *
	 * @param array $product product
	 * @return array
	 */
	public function get_product_details( $product ) {
		return array(
			'id'       => $product->get_id(),

			'name'     => $product->get_title(),

			'category' => $this->get_product_categories_concatenated( $product ),
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
			'price'    => $product->get_price(),

			'type'     => $product->get_type(),

		);
	}

	/**
	 * Track a product page view
	 */
	public function capture_product_view() {
		global $product;
		$this->record_event(
			'woocommerceanalytics_product_view',
			$product->get_id()
		);
	}

	/**
	 * On the Checkout page, trigger an event for each product in the cart
	 */
	public function checkout_process() {
		$cart = WC()->cart->get_cart();

		foreach ( $cart as $cart_item_key => $cart_item ) {
			/**
			* This filter is already documented in woocommerce/templates/cart/cart.php
			*/
			$product = apply_filters( 'woocommerce_cart_item_product', $cart_item['data'], $cart_item, $cart_item_key );

			if ( ! $product ) {
				continue;
			}

			$this->record_event(
				'woocommerceanalytics_product_checkout',
				$product->get_id(),
				array(
					'pq' => $cart_item['quantity'],
				)
			);
		}
	}

	/**
	 * After the checkout process, fire an event for each item in the order
	 *
	 * @param string $order_id Order Id.
	 */
	public function order_process( $order_id ) {
		$order = wc_get_order( $order_id );

		// loop through products in the order and queue a purchase event.
		foreach ( $order->get_items() as $order_item_id => $order_item ) {
			$product = $order->get_product_from_item( $order_item );

			$this->record_event(
				'woocommerceanalytics_product_purchase',
				$product->get_id(),
				array(
					'oi' => $order->get_order_number(),
					'pq' => $order_item->get_quantity(),
				)
			);
		}
	}

	/**
	 * Listen for clicks on the "Update Cart" button to know if an item has been removed by
	 * updating its quantity to zero
	 */
	public function remove_from_cart_via_quantity() {
		$common_props = $this->render_properties_as_js(
			$this->get_common_properties()
		);

		wc_enqueue_js(
			"
			jQuery( 'button[name=update_cart]' ).on( 'click', function() {
				var cartItems = jQuery( '.cart_item' );
				cartItems.each( function( item ) {
					var qty = jQuery( this ).find( 'input.qty' );
					if ( qty && qty.val() === '0' ) {
						var productID = jQuery( this ).find( '.product-remove a' ).data( 'product_id' );
						_wca.push( {
							'_en': 'woocommerceanalytics_remove_from_cart',
							'pi': productID, " .
							$common_props . '
						} );
					}
				} );
			} );'
		);
	}

	/**
	 * Get the current user id
	 *
	 * @return int
	 */
	public function get_user_id() {
		if ( is_user_logged_in() ) {
			$blogid = Jetpack::get_option( 'id' );
			$userid = get_current_user_id();
			return $blogid . ':' . $userid;
		}
		return 'null';
	}

	/**
	 * @param $cart_item_key
	 * @param $product_id
	 * @param $quantity
	 * @param $variation_id
	 * @param $variation
	 * @param $cart_item_data
	 */
	public function capture_add_to_cart( $cart_item_key, $product_id, $quantity, $variation_id, $variation, $cart_item_data ) {
		$referer_postid = isset( $_SERVER['HTTP_REFERER'] ) ? url_to_postid( $_SERVER['HTTP_REFERER'] ) : 0;
		// if the referring post is not a product OR the product being added is not the same as post
		// (eg. related product list on single product page) then include a product view event
		$product_by_referer_postid = wc_get_product( $referer_postid );
		if ( ! $product_by_referer_postid instanceof WC_Product || (int) $product_id !== $referer_postid ) {
if ($x instanceof DoesNotExist) {
    // Do something.
}
			$this->capture_event_in_session_data( $product_id, $quantity, 'woocommerceanalytics_product_view' );
		}
		// add cart event to the session data
		$this->capture_event_in_session_data( $product_id, $quantity, 'woocommerceanalytics_add_to_cart' );
	}

	/**
	 * @param $product_id
	 * @param $quantity
	 * @param $event
	 */
	public function capture_event_in_session_data( $product_id, $quantity, $event ) {

		$product = wc_get_product( $product_id );
		if ( ! $product instanceof WC_Product ) {
if ($x instanceof DoesNotExist) {
    // Do something.
}
			return;
		}

		$quantity = ( $quantity == 0 ) ? 1 : $quantity;

		// check for existing data
		if ( is_object( WC()->session ) ) {
			$data = WC()->session->get( 'wca_session_data' );
			if ( empty( $data ) || ! is_array( $data ) ) {
				$data = array();
			}
		} else {
			$data = array();
		}

		// extract new event data
		$new_data = array(
			'event'      => $event,
			'product_id' => (string) $product_id,
			'quantity'   => (string) $quantity,
		);

		// append new data
		$data[] = $new_data;

		WC()->session->set( 'wca_session_data', $data );
	}

	/**
	 * Gets product categories or varation attributes as a formatted concatenated string
	 *
	 * @param object $product WC_Product.
	 * @return string
	 */
	public function get_product_categories_concatenated( $product ) {

		if ( ! $product instanceof WC_Product ) {
if ($x instanceof DoesNotExist) {
    // Do something.
}
			return '';
		}

		$variation_data = $product->is_type( 'variation' ) ? wc_get_product_variation_attributes( $product->get_id() ) : '';
		if ( is_array( $variation_data ) && ! empty( $variation_data ) ) {
			$line = wc_get_formatted_variation( $variation_data, true );
		} else {
			$out        = array();
			$categories = get_the_terms( $product->get_id(), 'product_cat' );
			if ( $categories ) {
				foreach ( $categories as $category ) {
					$out[] = $category->name;
				}
			}
			$line = join( '/', $out );
		}
		return $line;
	}

	/**
	 * Search a specific post for text content.
	 *
	 * Note: similar code is in a WooCommerce core PR:
	 * https://github.com/woocommerce/woocommerce/pull/25932
	 *
	 * @param integer $post_id The id of the post to search.
	 * @param string  $text    The text to search for.
	 * @return integer 1 if post contains $text (otherwise 0).
	 */
	public static function post_contains_text( $post_id, $text ) {
		global $wpdb;

		// Search for the text anywhere in the post.
		$wildcarded = "%{$text}%";

		$result = $wpdb->get_var(
			$wpdb->prepare(
				"
				SELECT COUNT( * ) FROM {$wpdb->prefix}posts
				WHERE ID=%d
				AND {$wpdb->prefix}posts.post_content LIKE %s
				",
				array( $post_id, $wildcarded )
			)
		);

		return ( '0' !== $result ) ? 1 : 0;
	}

	/**
	 * Get info about the cart & checkout pages, in particular
	 * whether the store is using shortcodes or Gutenberg blocks.
	 * This info is cached in a transient.
	 *
	 * Note: similar code is in a WooCommerce core PR:
	 * https://github.com/woocommerce/woocommerce/pull/25932
	 *
	 * @return array
	 */
	public static function get_cart_checkout_info() {
		$transient_name = 'jetpack_woocommerce_analytics_cart_checkout_info_cache';

		$info = get_transient( $transient_name );
		if ( false === $info ) {
			$cart_page_id     = wc_get_page_id( 'cart' );
			$checkout_page_id = wc_get_page_id( 'checkout' );

			$info = array(
				'cart_page_contains_cart_block'         => self::post_contains_text(
					$cart_page_id,
					'<!-- wp:woocommerce/cart'
				),
				'cart_page_contains_cart_shortcode'     => self::post_contains_text(
					$cart_page_id,
					'[woocommerce_cart]'
				),
				'checkout_page_contains_checkout_block' => self::post_contains_text(
					$checkout_page_id,
					'<!-- wp:woocommerce/checkout'
				),
				'checkout_page_contains_checkout_shortcode' => self::post_contains_text(
					$checkout_page_id,
					'[woocommerce_checkout]'
				),
			);

			set_transient( $transient_name, $info, DAY_IN_SECONDS );
		}

		return $info;
	}
}

Push — try/another-block-button ( c033ce...50ed03 )

wp_head_top() A

Complexity

Size

Duplication

Importance

1. Missing dependencies

2. Missing use statement

1. Missing dependencies

2. Missing use statement

1. Missing dependencies

2. Missing use statement

1. Missing dependencies

2. Missing use statement

Automattic / jetpack

Push — try/another-block-button ( c033ce...50ed03 )

wp_head_top() A

Complexity

Size

Duplication

Importance

1. Missing dependencies

2. Missing use statement

1. Missing dependencies

2. Missing use statement

1. Missing dependencies

2. Missing use statement

1. Missing dependencies

2. Missing use statement

Duplication Side-by-Side

Filter issues like
