✏️ Editing: class-mailchimp-woocommerce-newsletter.php Writable

<?php

/**
 * Created by MailChimp.
 *
 * Name: Ryan Hungate
 * Email: ryan@vextras.com
 * Date: 2/22/16
 * Time: 9:09 AM
 */

class MailChimp_Newsletter extends MailChimp_WooCommerce_Options
{
    /** @var null|static */
    protected static $_instance = null;

/**
     * @return MailChimp_Newsletter
     */
    public static function instance()
    {
        if (!empty(static::$_instance)) {
            return static::$_instance;
        }
        $env = mailchimp_environment_variables();
        static::$_instance = new MailChimp_Newsletter();
        static::$_instance->setVersion($env->version);
        return static::$_instance;
    }

/**
	 * @param $checkout
	 */
    public function applyNewsletterField($checkout)
    {
        // some folks have asked to be able to check out on behalf of customers. I guess this makes sense
        // if they want to do this, but it needs to be a constant and custom.
        $allow_admin = defined('MAILCHIMP_ALLOW_ADMIN_NEWSLETTER') && MAILCHIMP_ALLOW_ADMIN_NEWSLETTER;

if ($allow_admin || !is_admin()) {
            $api = mailchimp_get_api();

// get the gdpr fields from the cache - or call it again and save for 5 minutes.
            $GDPRfields = $api->getCachedGDPRFields(mailchimp_get_list_id());

// if the user has chosen to hide the checkbox, don't do anything.
            if (($default_setting = $this->getOption('mailchimp_checkbox_defaults', 'check')) === 'hide') {
                return;
            }

// allow the user to specify the text in the newsletter label.
            $label = $this->getOption('newsletter_label');
            if ($label == '') $label = __('Subscribe to our newsletter', 'mailchimp-for-woocommerce');
            // if the user chose 'check' or nothing at all, we default to true.
            $default_checked = $default_setting === 'check';
            $gdpr_statuses = false;
            $status = $default_checked;
            $hide_optin_for_subscriber = false;

// if the user is logged in, we will pull the 'is_subscribed' property out of the meta for the value.
            // otherwise we use the default settings.
            if (is_user_logged_in()) {
                $status = get_user_meta(get_current_user_id(), 'mailchimp_woocommerce_is_subscribed', true);
                $gdpr_statuses = get_user_meta(get_current_user_id(), 'mailchimp_woocommerce_gdpr_fields', true);
                $hide_optin_for_subscriber = $status === true || $status === '1';

/// if the user is logged in - and is already subscribed - just ignore this checkbox.
                if ($status === '' || $status === null) {
                    $status = $default_checked;
                }
            }

// echo out the subscription checkbox.
            $checkbox = '<p class="form-row form-row-wide mailchimp-newsletter">';
            $checkbox .= '<label for="mailchimp_woocommerce_newsletter" class="woocommerce-form__label woocommerce-form__label-for-checkbox inline">';
            $checkbox .= '<input class="woocommerce-form__input woocommerce-form__input-checkbox input-checkbox" id="mailchimp_woocommerce_newsletter" type="checkbox" name="mailchimp_woocommerce_newsletter" value="1"'.($status ? ' checked="checked"' : '').'> ';
            $checkbox .= '<span>' . $label . '</span></label>';
            $checkbox .= '</p>';
            $checkbox .= '<div class="clear"></div>';

// only render these fields if it's an array that has valid data.
            if (!empty($GDPRfields) && is_array($GDPRfields)) {
                $checkbox .= "<div style='display: " . ($gdpr_statuses ? 'none' : 'block') . "'>";
                $checkbox .= "<div id='mailchimp-gdpr-fields'><p>";
                $checkbox .= __('Please select all the ways you would like to hear from us', 'mailchimp-for-woocommerce');
                $checkbox .= "<div class='clear' ></div>";

foreach ($GDPRfields as $key => $field) {
                    $marketing_permission_id = $field['marketing_permission_id'];

$gdpr_checked = $field['enabled'];
                    $text = $field['text'];

// Add to the checkbox output
                    $checkbox .= "<input type='hidden' value='0' name='mailchimp_woocommerce_gdpr[{$marketing_permission_id}]'>";
                    $checkbox .= "<label for='mailchimp_woocommerce_gdpr[{$marketing_permission_id}]' class='woocommerce-form__label woocommerce-form__label-for-checkbox inline'>";
                    $checkbox .= "<input class='woocommerce-form__input woocommerce-form__input-checkbox input-checkbox' id='mailchimp_woocommerce_gdpr[{$marketing_permission_id}]' type='checkbox' name='mailchimp_woocommerce_gdpr[{$marketing_permission_id}]' value='1'".($gdpr_checked ? ' checked="checked"' : '').">";
                    $checkbox .= "<span>{$text}</span></label>";
                    $checkbox .= "<div class='clear'></div>";
                }
                $checkbox .= "</p></div>";
                $checkbox .= "</div>";
            }

if (is_checkout() && $hide_optin_for_subscriber) {
                $checkbox = '';
            }

echo apply_filters( 'mailchimp_woocommerce_newsletter_field', $checkbox, $status, $label);
        }
    }

/**
     * @param $order_id
     * @param $posted
     */
    public function processNewsletterField($order_id, $posted)
    {
        $this->handleStatus($order_id);
    }

/**
	 * @param $order
	 */
    public function processPayPalNewsletterField($order)
    {
        $this->handleStatus($order->get_id());
    }

/**
     * @param $sanitized_user_login
     * @param $user_email
     * @param $reg_errors
     */
    public function processRegistrationForm($sanitized_user_login, $user_email, $reg_errors)
    {
        if (defined('WOOCOMMERCE_CHECKOUT')) {
            return; // Ship checkout
        }

$this->handleStatus();
    }

/**
     * @param null $order_id
     * @return bool|int
     */
    protected function handleStatus($order_id = null)
    {
        $post_key = 'mailchimp_woocommerce_newsletter';
        $meta_key = 'mailchimp_woocommerce_is_subscribed';
        $logged_in = is_user_logged_in();

// if the post key is available we use it - otherwise we null it out.
        $status = isset($_POST[$post_key]) ? (int) $_POST[$post_key] : null;

// if the status is null, we don't do anything
        if ($status === null) {
            return false;
        }

// if we passed in an order id, we update it here.
        if ($order_id) {
            MailChimp_WooCommerce_HPOS::update_order_meta($order_id, $meta_key, $status);
            //update_post_meta($order_id, $meta_key, $status);
        }

// if the user is logged in, we will update the status correctly.
        if ($logged_in) {
            update_user_meta(get_current_user_id(), $meta_key, $status);
            return $status;
        }

return false;
    }
}

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