Files
piratepoet/lib/Subscribers/ImportExport/Import/MailChimp.php
2016-11-02 13:10:23 +02:00

149 lines
4.2 KiB
PHP

<?php
namespace MailPoet\Subscribers\ImportExport\Import;
use MailPoet\Util\Helpers;
class MailChimp {
public $api_key;
public $max_post_size;
public $data_center;
public $export_url;
const API_KEY_REGEX = '/[a-zA-Z0-9]{32}-[a-zA-Z0-9]{2,3}$/';
function __construct($api_key, $lists = false) {
$this->api_key = $this->getAPIKey($api_key);
$this->max_post_size = Helpers::getMaxPostSize('bytes');
$this->data_center = $this->getDataCenter($this->api_key);
$this->lists_url = 'https://%s.api.mailchimp.com/2.0/lists/list?apikey=%s';
$this->export_url = 'https://%s.api.mailchimp.com/export/1.0/list/?apikey=%s&id=%s';
}
function getLists() {
if(!$this->api_key || !$this->data_center) {
return $this->throwException('API');
}
$connection = @fopen(sprintf($this->lists_url, $this->data_center, $this->api_key), 'r');
if(!$connection) {
return $this->throwException('connection');
} else {
$response = '';
while(!feof($connection)) {
$buffer = fgets($connection, 4096);
if(trim($buffer) !== '') {
$response .= $buffer;
}
}
fclose($connection);
}
$response = json_decode($response);
if(!$response) {
return $this->throwException('API');
}
foreach($response->data as $list) {
$lists[] = array(
'id' => $list->id,
'name' => $list->name
);
}
return $lists;
}
function getSubscribers($lists = array()) {
if(!$this->api_key || !$this->data_center) {
return $this->throwException('API');
}
if(!$lists) {
return $this->throwException('lists');
}
$bytes_fetched = 0;
foreach($lists as $list) {
$url = sprintf($this->export_url, $this->data_center, $this->api_key, $list);
$connection = @fopen($url, 'r');
if(!$connection) {
return $this->throwException('connection');
}
$i = 0;
$header = array();
while(!feof($connection)) {
$buffer = fgets($connection, 4096);
if(trim($buffer) !== '') {
$obj = json_decode($buffer);
if($i === 0) {
$header = $obj;
if(is_object($header) && isset($header->error)) {
return $this->throwException('lists');
}
if(!isset($header_hash)) {
$header_hash = md5(implode(',', $header));
} elseif(md5(implode(',', $header) !== $header_hash)) {
return $this->throwException('headers');
}
} else {
$subscribers[] = $obj;
}
$i++;
}
$bytes_fetched += strlen($buffer);
if($bytes_fetched > $this->max_post_size) {
return $this->throwException('size');
}
}
fclose($connection);
}
if(!count($subscribers)) {
return $this->throwException('subscribers');
}
return array(
'subscribers' => $subscribers,
'invalid' => false,
'duplicate' => false,
'header' => $header,
'subscribersCount' => count($subscribers)
);
}
function getDataCenter($api_key) {
if(!$api_key) return false;
$api_key_parts = explode('-', $api_key);
return end($api_key_parts);
}
function getAPIKey($api_key) {
return (preg_match(self::API_KEY_REGEX, $api_key)) ? $api_key : false;
}
function throwException($error) {
switch($error) {
case 'API':
$errorMessage = __('Invalid API Key.', 'mailpoet');
break;
case 'connection':
$errorMessage = __('Could not connect to your MailChimp account.', 'mailpoet');
break;
case 'headers':
$errorMessage = __('The selected lists do not have matching columns (headers).', 'mailpoet');
break;
case 'size':
$errorMessage = __('The information received from MailChimp is too large for processing. Please limit the number of lists!', 'mailpoet');
break;
case 'subscribers':
$errorMessage = __('Did not find any active subscribers.', 'mailpoet');
break;
case 'lists':
$errorMessage = __('Did not find any valid lists.', 'mailpoet');
break;
}
throw new \Exception($errorMessage);
}
}