File class-wc-braintree-frontend-scripts.php

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<?php
defined( 'ABSPATH' ) || exit();

/**
 *
 * @since 3.0.0
 * @package Braintree/Classes
 *
 */
class WC_Braintree_Frontend_Scripts {

    public $braintree_version;

    private $registered_scripts = array();

    private $registered_styles = array();

    private $enqueued_scripts = array();

    private $enqueued_styles = array();

    private $localized_scripts = array();

    private $update_payment_method_request;

    private $client_manager_enqueued = false;

    public $global_scripts = array(
        'hosted-fields-v3'   => 'https://js.braintreegateway.com/web/%1$s/js/hosted-fields.min.js',
        'dropin-v3-ext'      => 'https://js.braintreegateway.com/web/dropin/1.32.1/js/dropin.min.js',
        'client-v3'          => 'https://js.braintreegateway.com/web/%1$s/js/client.min.js',
        'data-collector-v3'  => 'https://js.braintreegateway.com/web/%1$s/js/data-collector.min.js',
        '3ds-v3'             => 'https://js.braintreegateway.com/web/%1$s/js/three-d-secure.min.js',
        'paypal-v3'          => 'https://js.braintreegateway.com/web/%1$s/js/paypal.min.js',
        'paypal-checkout-v3' => 'https://js.braintreegateway.com/web/%1$s/js/paypal-checkout.js',
        'googlepay-v3'       => 'https://js.braintreegateway.com/web//%1$s/js/google-payment.min.js',
        'googlepay-pay'      => 'https://pay.google.com/gp/p/js/pay.js',
        'applepay-v3'        => 'https://js.braintreegateway.com/web/%1$s/js/apple-pay.min.js',
        'venmo-v3'           => 'https://js.braintreegateway.com/web/%1$s/js/venmo.min.js',
        'local-payment-v3'   => 'https://js.braintreegateway.com/web/%1$s/js/local-payment.min.js',
    );

    public $prefix = 'wc-braintree-';

    /**
     * @var object
     * @since 3.2.4
     */
    public $client_token;

    public function __construct( $version ) {
        $this->braintree_version = $version;

        add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
        add_action( 'wp_print_scripts', array( $this, 'print_scripts' ), 5 );
        add_action( 'wp_print_footer_scripts', array( $this, 'print_footer_scripts' ), 5 );
        add_action( 'woocommerce_subscriptions_pre_update_payment_method', array( $this, 'pre_update_payment_method' ) );
    }

    public function enqueue_scripts() {
        $this->register_scripts();
    }

    private function register_scripts() {
        $this->braintree_version = apply_filters( 'wc_braintree_global_script_version', $this->braintree_version );

        foreach ( $this->global_scripts as $key => $src ) {
            $this->register_script( $key, sprintf( $src, $this->braintree_version ), array(), null );
        }
        $js_path = braintree()->assets_path() . 'js/';
        $min     = $this->get_min();

        $this->register_style( 'styles', $this->assets_url( 'css/braintree' . $this->get_min() . '.css' ) );

        $this->register_script( 'payment-methods', $this->assets_url( 'js/frontend/payment-methods' . $this->get_min() . '.js' ), array(
            'jquery'
        ) );
        $this->register_script( 'message-handler', $this->assets_url( 'js/frontend/message-handler' . $this->get_min() . '.js' ),
            array(
                'jquery',
                'woocommerce',
            )
        );
        $this->register_script( 'form-handler', $this->assets_url( 'js/frontend/form-handler' . $this->get_min() . '.js' ), array( 'jquery' ) );
        $this->register_script( 'payment-method-icons', $this->assets_url( 'js/frontend/payment-method-icons.js' ), array( 'jquery' ) );
        $this->register_script( 'global', $this->assets_url( 'js/frontend/wc-braintree' . $this->get_min() . '.js' ), array( 'jquery' ) );

        $this->register_script(
            'client-manager',
            $js_path . 'frontend/client-manager' . $min . '.js',
            array(
                'jquery',
                $this->get_handle( 'client-v3' ),
                $this->get_handle( 'message-handler' ),
                $this->get_handle( 'payment-methods' ),
                $this->get_handle( 'form-handler' ),
                $this->get_handle( 'global' )
            )
        );

        $this->register_script( 'change-payment-method', $this->assets_url( 'js/frontend/change-payment-method' . $this->get_min() . '.js' ), array( 'jquery' ) );

        if ( function_exists( 'wp_add_inline_script' ) ) {
            wp_add_inline_script( $this->get_handle( 'client-manager' ), '(function(){
                if(window.navigator.userAgent.match(/MSIE|Trident/)){
                    var script = document.createElement(\'script\');
                    script.setAttribute(\'src\', \'' . $this->assets_url( 'js/frontend/promise-polyfill.js' ) . '\');
                    document.head.appendChild(script);
                }
            }());' );
        }
    }

    public function assets_url( $uri = '' ) {
        return untrailingslashit( braintree()->assets_path() . $uri );
    }

    public function get_min() {
        return defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
    }

    public function register_script( $handle, $src, $deps = array(), $version = false, $footer = true ) {
        $this->registered_scripts[] = $this->get_handle( $handle );
        $version                    = false === $version ? braintree()->version : $version;
        wp_register_script( $this->get_handle( $handle ), $src, $deps, $version, $footer );
    }

    public function register_style( $handle, $src, $deps = array() ) {
        $handle                    = $this->get_handle( $handle );
        $this->registered_styles[] = $handle;
        wp_register_style( $handle, $src, $deps, braintree()->version );
    }

    public function enqueue_style( $handle, $src = '', $deps = array() ) {
        $handle = $this->get_handle( $handle );
        if ( ! in_array( $handle, $this->registered_styles ) ) {
            $this->register_style( $handle, $src, $deps );
        }
        wp_enqueue_style( $handle, $src, $deps, braintree()->version );
    }

    /**
     * @param string $handle
     * @param string $src
     * @param array $deps
     * @param bool $version
     * @param bool $footer
     */
    public function enqueue_script( $handle, $src = '', $deps = array(), $version = false, $footer = true ) {
        $handle = $this->get_handle( $handle );
        if ( ! in_array( $handle, $this->registered_scripts ) ) {
            $this->register_script( $handle, $src, $deps, $version, $footer );
        }
        $this->enqueued_scripts[] = $handle;
        wp_enqueue_script( $handle );
    }

    public function localize_script( $handle, $data ) {
        $handle = $this->get_handle( $handle );
        if ( wp_script_is( $handle, 'registered' ) ) {
            $name = str_replace( $this->prefix, '', $handle );
            $data = apply_filters( 'wc_braintree_localize_script_' . $name, $data, $name );
            if ( $data ) {
                $this->localized_scripts[] = $handle;
                $object_name               = str_replace( '-', '_', $handle ) . '_params';
                wp_localize_script( $handle, $object_name, $data );
            }
        }
    }

    /**
     * Localize scripts registered by this plugin.
     */
    public function print_scripts() {
        if ( ( is_checkout() && ! is_order_received_page() ) || is_add_payment_method_page() || is_product() || is_cart() || is_account_page() ||
             apply_filters( 'wc_braintree_print_scripts', false ) ) {
            // check if page contains short code used by elementor
            $this->localize_frontend();
        }
        if ( is_add_payment_method_page() ) {
            $this->enqueue_script( 'payment-method-icons' );
            $this->localize_script( 'payment-method-icons', $this->localize_payment_method_icons() );
        }
        if ( ! is_checkout() && ! is_cart() ) {
            $this->enqueue_mini_cart();
        }
        if ( wc_braintree_subscriptions_active() && is_account_page() ) {
            global $wp;
            if ( ! empty( $wp->query_vars['view-subscription'] ) ) {
                $this->enqueue_script( 'view-subscription', $this->assets_url( 'js/frontend/view-subscription.js' ), array(
                    'jquery',
                    'jquery-ui-dialog'
                ), braintree()->version, true );
                wp_enqueue_style( 'wp-jquery-ui-dialog' );
                $this->localize_script( 'view-subscription', array() );
            }
            if ( wcs_braintree_is_change_payment_method_request() ) {
                $this->enqueue_script(
                    'change-payment-methods',
                    $this->assets_url( 'js/frontend/change-payment-method' . $this->get_min() . '.js' ),
                    array(
                        'jquery',
                    )
                );
            }
        }
    }

    /**
     * @since 3.2.8
     */
    public function print_footer_scripts() {

        /**
         * When things like coupons make the order total $0, then WC won't call $gateway->payment_fields()
         * which means scripts won't be enqueued. This code checks to see if any gateways haven't been enqueued
         * on the checkout page.
         */
        global $wp;
        if ( is_checkout() && ! isset( $wp->query_vars['order_pay'] ) && ! is_order_received_page() ) {
            $gateways = array_filter( WC()->payment_gateways()->payment_gateways(), function ( $gateway ) {
                if ( $gateway instanceof WC_Braintree_Payment_Gateway ) {
                    $is_available = function () {
                        return parent::is_available();
                    };
                    $is_available = $is_available->bindTo( $gateway, 'WC_Braintree_Payment_Gateway' );

                    return $is_available() && ! $gateway->has_enqueued_scripts( $this, 'checkout' );
                }

                return false;

            } );
            foreach ( $gateways as $gateway ) {
                /**
                 * @var WC_Braintree_Payment_Gateway $gateway
                 */
                $gateway->enqueue_checkout_scripts( $this );
                $gateway->output_display_items( 'checkout' );
            }
        }
        /**
         * If the client manager is enqueued but it hasn't been localized then we know some
         * functionality is including the gateways and so we need to localize here.
         */
        if ( wp_script_is( $this->get_handle( 'client-manager' ) ) && ! in_array( $this->get_handle( 'client-manager' ), $this->localized_scripts ) ) {
            $this->localize_frontend();
        }
    }

    public function get_handle( $handle ) {
        return strpos( $handle, $this->prefix ) === false ? $this->prefix . $handle : $handle;
    }

    public function localize_payment_methods() {
        $data['cards']      = array_keys( wc_braintree_get_card_type_icons() );
        $data['no_results'] = __( 'Not matches found', 'woo-payment-gateway' );

        return $data;
    }

    public function localize_message_handler() {
        $data['messages'] = wc_braintree_get_error_messages();

        return $data;
    }

    public function localize_payment_method_icons() {
        $data   = array(
            'tokens' => array(),
            'icons'  => wc_braintree_get_card_type_icons(),
        );
        $tokens = wc_get_customer_saved_methods_list( get_current_user_id() );
        $index  = 0;
        foreach ( $tokens as $type => $methods ) {
            foreach ( $methods as $method ) {
                if ( isset( $method['wc_braintree_method'] ) ) {
                    $data['tokens'][] = array(
                        'index'     => $index,
                        'card_type' => $method['method_type'],
                    );
                }
                $index ++;
            }
        }

        return $data;
    }

    public function localize_client_manager() {
        $currency = wc_braintree_get_currency();

        return array(
            'url'              => WC_Braintree_Rest_API::get_endpoint( braintree()->rest_api->client_token->rest_uri() . '/create' ),
            '_wpnonce'         => wp_create_nonce( 'wp_rest' ),
            'page_id'          => $this->get_page_id(),
            'currency'         => $currency,
            'merchant_account' => wc_braintree_get_merchant_account( $currency ),
            'version'          => braintree()->version
        );
    }

    public function pre_update_payment_method() {
        $this->update_payment_method_request = true;
    }

    private function get_page_id() {
        global $wp;
        if ( is_product() ) {
            return 'product';
        }
        if ( is_cart() ) {
            return 'cart';
        }
        if ( is_checkout() ) {
            if ( ! empty( $wp->query_vars['order-pay'] ) ) {
                return 'order_pay';
            }

            return 'checkout';
        }
        if ( is_add_payment_method_page() ) {
            return 'add_payment_method';
        }
        if ( wc_braintree_subscriptions_active() && wcs_braintree_is_change_payment_method_request() ) {
            return 'change_payment_method';
        }

        return '';
    }

    /**
     * @return array
     * @since 3.2.4
     */
    public function get_enqueued_scripts() {
        return $this->enqueued_scripts;
    }

    private function localize_frontend() {
        $this->enqueue_style( 'styles' );
        wp_style_add_data( $this->get_handle( 'styles' ), 'rtl', 'replace' );

        $this->localize_script( 'global', array( 'page' => $this->get_page_id() ) );

        wp_localize_script( $this->get_handle( 'global' ), 'wc_braintree_checkout_fields', wc_braintree_get_checkout_fields( $this->get_page_id() ) );

        $this->localize_script( 'client-manager', $this->localize_client_manager() );

        $this->localize_script( 'message-handler', $this->localize_message_handler() );

        $this->localize_script( 'payment-methods', $this->localize_payment_methods() );

        $client_token       = wc_braintree_generate_client_token();
        $this->client_token = json_decode( base64_decode( $client_token ) );

        wp_localize_script( $this->get_handle( 'client-manager' ), 'wc_braintree_client_token', empty( $client_token ) ? array() : (array) $client_token );

    }

    private function enqueue_mini_cart() {
        foreach ( WC()->payment_gateways()->get_available_payment_gateways() as $gateway ) {
            /**
             * @var WC_Braintree_Payment_Gateway $gateway
             */
            if ( $gateway instanceof WC_Braintree_Payment_Gateway && $gateway->supports( 'wc_braintree_mini_cart' ) && $gateway->mini_cart_enabled() ) {
                if ( ! wp_style_is( $this->get_handle( 'styles' ) ) ) {
                    $this->localize_frontend();
                }
                $gateway->enqueue_mini_cart_scripts( $this );
            }
        }
    }
}

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