public.php

<?php
/*
 # -- BEGIN LICENSE BLOCK ----------------------------------
 #
 # This file is part of MAGIX CMS.
 # MAGIX CMS, The content management system optimized for users
 # Copyright (C) 2008 - 2013 magix-cms.com <support@magix-cms.com>
 #
 # OFFICIAL TEAM :
 #
 #   * Gerits Aurelien (Author - Developer) <aurelien@magix-cms.com> <contact@aurelien-gerits.be>
 #
 # Redistributions of files must retain the above copyright notice.
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.

 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # -- END LICENSE BLOCK -----------------------------------

 # DISCLAIMER

 # Do not edit or add to this file if you wish to upgrade MAGIX CMS to newer
 # versions in the future. If you wish to customize MAGIX CMS for your
 # needs please refer to http://www.magix-cms.com for more information.
 */
/**
 * MAGIX CMS
 * @category mailchimp
 * @package plugins
 * @copyright MAGIX CMS Copyright (c) 2008 - 2019 Gerits Aurelien,
 * http://www.magix-cms.com,  http://www.magix-cjquery.com
 * @license Dual licensed under the MIT or GPL Version 3 licenses.
 * @version 2.0
 * Author: Salvatore Di Salvo
 * Date: 04-11-2019
 * @name plugins_mailchimp_public
 */
require_once 'MailChimp.php';
class plugins_mailchimp_public extends plugins_mailchimp_db
{
    protected $template, $data, $lang;
    public $firstname, $lastname, $email;

	/**
	 * plugins_mailchimp_public constructor.
	 * @param frontend_model_template $t
	 */
    public function __construct($t = null) {
        $this->template = $t ? $t : new frontend_model_template();
		$this->data = new frontend_model_data($this);
	}

	/**
	 * Assign data to the defined variable or return the data
	 * @param string $type
	 * @param string|int|null $id
	 * @param string $context
	 * @param boolean $assign
	 * @return mixed
	 */
	private function getItems($type, $id = null, $context = null, $assign = true) {
		return $this->data->getItems($type, $id, $context, $assign);
	}

	/**
	 * Set the notification
	 * @param string $type
	 * @param null|string $subContent
	 * @return array
	 */
	private function setNotify($type,$subContent=null) {
		$message = null;
		switch($type){
			case 'warning':
				$warning = array(
					'empty' =>  $this->template->getConfigVars('fields_empty')
				);
				$message = $warning[$subContent];
				break;
			case 'success':
				$message = $this->template->getConfigVars('subscription_success');
				break;
			case 'error':
				$error = array(
					'api' => $this->template->getConfigVars('error_no_api'),
					'list' => $this->template->getConfigVars('error_no_list'),
					'request' => $this->template->getConfigVars('error_request')
				);
				$message = $error[$subContent];
				break;
		}

		return $message === null ? null : ['type' => $type,'content' => $message];
	}

	/**
	 * Display the notification
	 * @param $type
	 * @param null $subContent
	 */
	private function getNotify($type,$subContent=null) {
		$message = $this->setNotify($type,$subContent);
		if($message !== null) {
			$this->template->assign('message',$message);
			$this->template->display('mailchimp/notify/message.tpl');
		}
	}

	/**
	 * Controller
	 */
	public function run()
	{
		$formClean = new form_inputEscape();
		if (http_request::isPost('firstname')) $this->firstname = $formClean->simpleClean($_POST['firstname']);
		if (http_request::isPost('lastname')) $this->lastname = $formClean->simpleClean($_POST['lastname']);
		if (http_request::isPost('email')) $this->email = $formClean->simpleClean($_POST['email']);

		// *** If every fields has been filled
		if($this->firstname !== "" && $this->lastname !== "" && $this->email !== "") {
			$api = $this->getItems('api',null,'one',false);

			// *** If the API key has been set
			if($api) {
				$lists = $this->getItems('iso_lists',$this->template->lang,'all',false);

				// *** If there is a list registered for subscription
				if(!empty($lists)) {
					foreach ($lists as $list) {
						$id = $list['list_id'];
						$hash = md5(strtolower($this->email));
						$MailChimp = new \Drewm\MailChimp($api['api_key']);
						$member = $MailChimp->call('lists/'.$id.'/members/'.$hash, 'GET',['fields' => 'members.id,members.status']);

						$arg = [
							'email_address' => $this->email,
							'status_if_new' => 'subscribed',
							'status' => 'subscribed',
							'language' => $this->template->lang,
							'merge_fields' => [
								'FNAME' => $this->firstname,
								'LNAME' => $this->lastname
							]
						];

						// *** If there is no entry for this email
						if(empty($member)) {
							$result = $MailChimp->call('lists/'.$id.'/members/', 'POST', $arg);
						}
						else {
							$result = $MailChimp->call('lists/'.$id.'/members/'.$hash, 'PUT', $arg);
						}

						// *** Display the notification depending on the result of the request
						if(!$result || $result['status'] === 404) {
							$this->getNotify('error','request');
						}
						else {
							$this->getNotify('success');
						}
					}
				}
				else {
					$this->getNotify('error','list');
				}
			}
			else {
				$this->getNotify('error','api');
			}
		}
		else {
			$this->getNotify('warning','empty');
		}
	}
}