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<?php

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defined('ABSPATH') || exit;

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class Builder_Optin_Service_ConvertKit extends Builder_Optin_Service {

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public static function get_id():string {

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return 'convertkit';

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}

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public static function get_label():string {

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return __('ConvertKit', 'themify');

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}

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public static function get_settings():array {

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$lists = self::get_lists();

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if (is_array($lists)) {

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return array(

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array(

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'id' => 'ck_form',

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'type' => 'select',

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

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'options' => $lists,

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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' => $lists

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)

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);

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}

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}

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public static 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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array(

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'id' => 'convertkit_key',

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'type' => 'text',

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'label' => __('ConvertKit API Key', 'themify'),

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'description' => sprintf(__('<a href="%s" target="_blank">Get an API key</a>', 'themify'), 'https://app.convertkit.com/account/edit'),

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);

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}

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private static function request($request, $method = 'GET', $args = array()) {

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$args+= array(

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'api_key' => self::get_api_key(),

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);

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$url = 'https://api.convertkit.com/v3/' . $request . '?' . http_build_query($args);

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$results = wp_remote_request($url, array('method' => $method));

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if (!is_wp_error($results)) {

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if (200 == wp_remote_retrieve_response_code($results)) {

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return json_decode(wp_remote_retrieve_body($results), true);

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} else {

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$body = wp_remote_retrieve_body($results);

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if (is_string($body) && is_object($json = json_decode($body, true))) {

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$body = (array) $json;

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}

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if (!empty($body['error'])) {

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return new WP_Error('error', $body['error']);

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} elseif (!empty($body['message'])) {

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return new WP_Error('error', $body['message']);

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} else {

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return new WP_Error('error', sprintf(__('Error code: %s', 'themify'), wp_remote_retrieve_response_code($results)));

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}

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}

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} else {

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return $results;

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}

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}

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protected static function request_list() {

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if (is_wp_error(( $data = self::request('forms')))) {

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return $data;

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}

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if (is_array($data['forms']) && !empty($data['forms'])) {

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$list = array();

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foreach ($data['forms'] as $v) {

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$list[$v['id']] = $v['name'];

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}

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return $list;

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}

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return new WP_Error('list_error', __('Error retrieving forms.', 'themify'));

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}

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/**

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* Gets data from module and validates API key

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

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return isset($fields_args['ck_form']) ? '' :__('No form is selected.', 'themify');

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}

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/**

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* @doc https://developers.convertkit.com/#forms

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public static function subscribe(array $args) {

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return self::request(sprintf('forms/%s/subscribe', $args['ck_form']), 'POST', array(

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'email' => $args['email'],

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'first_name' => $args['fname'],

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));

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}

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}

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