<?php

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defined('ABSPATH') || exit;

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/**

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* Newsletter plugin

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* @link https://wordpress.org/plugins/newsletter/

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*/

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class Builder_Optin_Service_Newsletter extends Builder_Optin_Service {

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public static function is_available():bool {

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return defined('NEWSLETTER_VERSION');

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}

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public static function get_id():string {

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return 'newsletter';

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}

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public static function get_label():string {

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return __('Newsletter plugin', 'themify');

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}

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public static function get_settings():array {

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if (self::is_available()) {

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$lists = self::get_lists();

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if (empty($lists)) {

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return array(); // no options to show

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}

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else {

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return array(

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array(

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'id' => 'newsletter_list',

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'type' => 'select',

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'label' => __('List', 'themify'),

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'options' => $lists

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),

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);

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}

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} else {

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return array(

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array(

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'type' => 'message',

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'class' => 'tb_field_error_msg',

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'comment' => sprintf(__('<a href="%s" target="_blank">Newsletter plugin</a> is not installed or active.', 'themify'), 'https://wordpress.org/plugins/newsletter/')

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)

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);

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}

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}

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public function get_options():array {//backward for fw 7.5

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return self::get_settings();

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}

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public static function get_global_options():array {

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return array();

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}

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/**

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* Get list of Lists (/wp-admin/admin.php?page=newsletter_subscription_lists)

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*/

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protected static function get_lists(?string $key = '') {

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$lists = Newsletter::instance()->get_lists_for_subscription();

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$_lists = array();

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if (!empty($lists)) {

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foreach ($lists as $list) {

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$_lists[$list->id] = $list->name;

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}

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}

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return $_lists;

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}

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/**

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* Gets data from module and validates API key

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*/

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public static function validate_data(array $fields_args):string {

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return '';

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}

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/**

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* Subscribe action

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*

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* Based on NewsletterSubscription::hook_newsletter_action() method

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*/

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public static function subscribe(array $args) {

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$instance = NewsletterSubscription::instance();

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$subscription = $instance->get_default_subscription();

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$data = $subscription->data;

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$data->email = $instance->normalize_email($args['email']);

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$data->name = $instance->normalize_name($args['fname']);

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$data->surname = $instance->normalize_name($args['lname']);

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if (isset($args['newsletter_list'])) {

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$data->lists[$args['newsletter_list']] = 1;

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}

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$result = $instance->subscribe2($subscription);

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return is_wp_error($result) ? $result : true;

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}

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}

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