"off",
"mailchimp_api_key" => "",
"mailchimp_list" => "",
"mailchimp_list_id" => "",
"mailchimp_groups" => "",
"mailchimp_fields" => "",
"mailchimp_double" => "off"
);
function __construct() {
$this->default_popup_options['mailchimp_fields'] = serialize(array('EMAIL' => '{subscription-email}', 'FNAME' => '{subscription-name}', 'NAME' => '{subscription-name}'));
if (is_admin()) {
add_action('ulp_popup_options_integration_show', array(&$this, 'popup_options_show'));
add_filter('ulp_popup_options_check', array(&$this, 'popup_options_check'), 10, 1);
add_filter('ulp_popup_options_populate', array(&$this, 'popup_options_populate'), 10, 1);
add_action('wp_ajax_ulp-mailchimp-lists', array(&$this, "show_lists"));
add_action('wp_ajax_ulp-mailchimp-groups', array(&$this, "show_groups"));
add_action('wp_ajax_ulp-mailchimp-fields', array(&$this, "show_fields"));
add_filter('ulp_popup_options_tabs', array(&$this, 'popup_options_tabs'), 10, 1);
}
add_action('ulp_subscribe', array(&$this, 'subscribe'), 10, 2);
}
function popup_options_tabs($_tabs) {
if (!array_key_exists("integration", $_tabs)) $_tabs["integration"] = __('Integration', 'ulp');
return $_tabs;
}
function popup_options_show($_popup_options) {
$popup_options = array_merge($this->default_popup_options, $_popup_options);
echo '
'.__('MailChimp Parameters', 'ulp').'
'.__('Enable MailChimp', 'ulp').':
'.__('Please tick checkbox if you want to submit contact details to MailChimp.', 'ulp').'
'.__('MailChimp API Key', 'ulp').':
'.__('Enter your MailChimp API Key. You can get it here .', 'ulp').'
'.__('List ID', 'ulp').':
'.__('Enter your List ID.', 'ulp').'
'.__('Fields', 'ulp').':
';
if (!empty($popup_options['mailchimp_api_key']) && !empty($popup_options['mailchimp_list_id'])) {
$fields = $this->get_fields_html($popup_options['mailchimp_api_key'], $popup_options['mailchimp_list_id'], $popup_options['mailchimp_fields']);
echo $fields;
}
echo '
'.__('Load Fields', 'ulp').'
'.__('Click the button to (re)load fields list. Ignore if you do not need specify fields values.', 'ulp').'
'.__('Groups', 'ulp').':
';
if (!empty($popup_options['mailchimp_api_key']) && !empty($popup_options['mailchimp_list_id'])) {
$groups = $this->get_groups_html($popup_options['mailchimp_api_key'], $popup_options['mailchimp_list_id'], $popup_options['mailchimp_groups']);
echo $groups;
}
echo '
'.__('Load Groups', 'ulp').'
'.__('Click the button to (re)load groups of the list. Ignore if you do not use groups.', 'ulp').'
'.__('Double opt-in', 'ulp').':
'.__('Control whether a double opt-in confirmation message is sent.', 'ulp').'
';
}
function popup_options_check($_errors) {
global $ulp;
$errors = array();
$popup_options = array();
foreach ($this->default_popup_options as $key => $value) {
if (isset($ulp->postdata['ulp_'.$key])) {
$popup_options[$key] = stripslashes(trim($ulp->postdata['ulp_'.$key]));
}
}
if (isset($ulp->postdata["ulp_mailchimp_enable"])) $popup_options['mailchimp_enable'] = "on";
else $popup_options['mailchimp_enable'] = "off";
if ($popup_options['mailchimp_enable'] == 'on') {
if (empty($popup_options['mailchimp_api_key']) || strpos($popup_options['mailchimp_api_key'], '-') === false) $errors[] = __('Invalid MailChimp API Key.', 'ulp');
if (empty($popup_options['mailchimp_list_id'])) $errors[] = __('Invalid MailChimp List ID.', 'ulp');
}
return array_merge($_errors, $errors);
}
function popup_options_populate($_popup_options) {
global $ulp;
$popup_options = array();
foreach ($this->default_popup_options as $key => $value) {
if (isset($ulp->postdata['ulp_'.$key])) {
$popup_options[$key] = stripslashes(trim($ulp->postdata['ulp_'.$key]));
}
}
if (isset($ulp->postdata["ulp_mailchimp_double"])) $popup_options['mailchimp_double'] = "on";
else $popup_options['mailchimp_double'] = "off";
if (isset($ulp->postdata["ulp_mailchimp_enable"])) $popup_options['mailchimp_enable'] = "on";
else $popup_options['mailchimp_enable'] = "off";
$groups = array();
foreach($ulp->postdata as $key => $value) {
if (substr($key, 0, strlen('ulp_mailchimp_group_')) == 'ulp_mailchimp_group_') {
$groups[] = substr($key, strlen('ulp_mailchimp_group_'));
}
}
$popup_options['mailchimp_groups'] = implode(':', $groups);
$fields = array();
foreach($ulp->postdata as $key => $value) {
if (substr($key, 0, strlen('ulp_mailchimp_field_')) == 'ulp_mailchimp_field_') {
$field = substr($key, strlen('ulp_mailchimp_field_'));
$fields[$field] = stripslashes(trim($value));
}
}
$popup_options['mailchimp_fields'] = serialize($fields);
return array_merge($_popup_options, $popup_options);
}
function subscribe($_popup_options, $_subscriber) {
if (empty($_subscriber['{subscription-email}'])) return;
$popup_options = array_merge($this->default_popup_options, $_popup_options);
if ($popup_options['mailchimp_enable'] == 'on') {
$result = $this->connect($popup_options['mailchimp_api_key'], 'lists/'.urlencode($popup_options['mailchimp_list_id']).'/members/'.md5(strtolower($_subscriber['{subscription-email}'])));
$merge_fields = array();
$interests = array();
$status = '';
if (array_key_exists('status', $result)) $status = $result['status'];
if (array_key_exists('status', $result) && $result['status'] == 'pending') {
$this->connect($popup_options['mailchimp_api_key'], 'lists/'.urlencode($popup_options['mailchimp_list_id']).'/members/'.md5(strtolower($_subscriber['{subscription-email}'])), array(), 'DELETE');
} else {
if (array_key_exists('merge_fields', $result)) $merge_fields = $result['merge_fields'];
if (array_key_exists('interests', $result)) $interests = $result['interests'];
}
$fields = array();
if (!empty($popup_options['mailchimp_fields'])) $fields = unserialize($popup_options['mailchimp_fields']);
if (!empty($fields) && is_array($fields)) {
foreach ($fields as $key => $value) {
if (!empty($value)) {
$merge_fields[$key] = strtr($value, $_subscriber);
}
}
}
$interests_marked = explode(':', $popup_options['mailchimp_groups']);
if (!empty($interests_marked) && is_array($interests_marked)) {
foreach ($interests_marked as $interest_marked) {
if (!empty($interest_marked) && strpos($interest_marked, '-') !== false) {
$key = null;
list($tmp, $key) = explode("-", $interest_marked, 2);
if (!empty($key)) $interests[$key] = true;
}
}
}
$data = array(
'ip_signup' => $_SERVER['REMOTE_ADDR'],
'email_address' => $_subscriber['{subscription-email}'],
'status' => $popup_options['mailchimp_double'] == 'on' ? (!empty($status) ? 'subscribed' : 'pending') : 'subscribed',
'status_if_new' => $popup_options['mailchimp_double'] == 'on' ? 'pending' : 'subscribed'
);
if (!empty($merge_fields)) {
$data['merge_fields'] = $merge_fields;
}
if (!empty($interests)) {
$data['interests'] = $interests;
}
$result = $this->connect($popup_options['mailchimp_api_key'], 'lists/'.urlencode($popup_options['mailchimp_list_id']).'/members/'.md5(strtolower($_subscriber['{subscription-email}'])), $data, 'PUT');
}
}
function show_lists() {
global $wpdb;
if (current_user_can('manage_options')) {
$lists = array();
if (!isset($_POST['ulp_api_key']) || empty($_POST['ulp_api_key'])) {
$return_object = array();
$return_object['status'] = 'OK';
$return_object['html'] = ''.__('Invalid API Key!', 'ulp').'
';
echo json_encode($return_object);
exit;
}
$key = trim(stripslashes($_POST['ulp_api_key']));
$result = $this->connect($key, 'lists?count=100');
if (is_array($result) && array_key_exists('total_items', $result)) {
if (intval($result['total_items']) > 0) {
foreach ($result['lists'] as $list) {
if (is_array($list)) {
if (array_key_exists('id', $list) && array_key_exists('name', $list)) {
$lists[$list['id']] = $list['name'];
}
}
}
} else {
$return_object = array();
$return_object['status'] = 'OK';
$return_object['html'] = ''.__('No Lists found!', 'ulp').'
';
echo json_encode($return_object);
exit;
}
} else {
$return_object = array();
$return_object['status'] = 'OK';
$return_object['html'] = ''.__('Invalid API Key!', 'ulp').'
';
echo json_encode($return_object);
exit;
}
$list_html = '';
if (!empty($lists)) {
foreach ($lists as $id => $name) {
$list_html .= ''.esc_html($id).(!empty($name) ? ' | '.esc_html($name) : '').' ';
}
} else $list_html .= ''.__('No data found!', 'ulp').'
';
$return_object = array();
$return_object['status'] = 'OK';
$return_object['html'] = $list_html;
$return_object['items'] = sizeof($lists);
echo json_encode($return_object);
}
exit;
}
function show_groups() {
global $wpdb;
if (current_user_can('manage_options')) {
if (!isset($_POST['ulp_key']) || !isset($_POST['ulp_list']) || empty($_POST['ulp_key']) || empty($_POST['ulp_list'])) {
$return_object = array();
$return_object['status'] = 'OK';
$return_object['html'] = ''.__('Invalid API Key or List ID.', 'ulp').'
';
echo json_encode($return_object);
exit;
}
$key = trim(stripslashes($_POST['ulp_key']));
$list = trim(stripslashes($_POST['ulp_list']));
$return_object = array();
$return_object['status'] = 'OK';
$return_object['html'] = $this->get_groups_html($key, $list, '');
echo json_encode($return_object);
}
exit;
}
function get_groups_html($_key, $_list, $_groups) {
$result = $this->connect($_key, 'lists/'.urlencode($_list).'/interest-categories?count=100');
$groups = '';
$groups_marked = explode(':', $_groups);
if (!empty($result) && is_array($result)) {
if (array_key_exists('status', $result)) {
$groups = ''.$result['title'].'
';
} else {
if (array_key_exists('total_items', $result) && $result['total_items'] > 0) {
foreach ($result['categories'] as $category) {
$result2 = $this->connect($_key, 'lists/'.urlencode($_list).'/interest-categories/'.$category['id'].'/interests?count=100');
if (!empty($result2) && is_array($result2) && array_key_exists('total_items', $result2) && $result2['total_items'] > 0) {
$groups .= ''.$category['title'].' ';
foreach ($result2['interests'] as $interest) {
$groups .= '
';
}
$groups .= '
'.__('No groups found.', 'ulp').'
';
}
}
} else {
$groups = ''.__('Inavlid server response.', 'ulp').'
';
}
return $groups;
}
function show_fields() {
global $wpdb;
if (current_user_can('manage_options')) {
if (!isset($_POST['ulp_key']) || !isset($_POST['ulp_list']) || empty($_POST['ulp_key']) || empty($_POST['ulp_list'])) {
$return_object = array();
$return_object['status'] = 'OK';
$return_object['html'] = ''.__('Invalid API Key or List ID.', 'ulp').'
';
echo json_encode($return_object);
exit;
}
$key = trim(stripslashes($_POST['ulp_key']));
$list = trim(stripslashes($_POST['ulp_list']));
$return_object = array();
$return_object['status'] = 'OK';
$return_object['html'] = $this->get_fields_html($key, $list, $this->default_popup_options['mailchimp_fields']);
echo json_encode($return_object);
}
exit;
}
function get_fields_html($_key, $_list, $_fields) {
$result = $this->connect($_key, 'lists/'.urlencode($_list).'/merge-fields?count=100');
$fields = '';
$values = unserialize($_fields);
if (!is_array($values)) $values = array();
if (!empty($result) && is_array($result)) {
if (array_key_exists('status', $result)) {
$fields = ''.$result['title'].'
';
} else {
if (array_key_exists('total_items', $result) && $result['total_items'] > 0) {
$fields = '
'.__('Please adjust the fields below. You can use the same shortcodes ({subscription-email}, {subscription-name}, etc.) to associate MailChimp fields with the popup fields.', 'ulp').'
';
} else {
$fields = ''.__('No fields found.', 'ulp').'
';
}
}
} else {
$fields = ''.__('Inavlid server response.', 'ulp').'
';
}
return $fields;
}
function connect($_api_key, $_path, $_data = array(), $_method = '') {
$dc = "us1";
if (strstr($_api_key, "-")) {
list($key, $dc) = explode("-", $_api_key, 2);
if (!$dc) $dc = "us1";
}
$headers = array(
'Content-Type: application/json;charset=UTF-8',
'Accept: application/json'
);
try {
$url = 'https://'.$dc.'.api.mailchimp.com/3.0/'.ltrim($_path, '/');
$curl = curl_init($url);
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_setopt($curl, CURLOPT_USERPWD, 'layered-popups:'.$_api_key);
if (!empty($_data)) {
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($_data));
}
if (!empty($_method)) {
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $_method);
}
curl_setopt($curl, CURLOPT_TIMEOUT, 120);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_FORBID_REUSE, true);
curl_setopt($curl, CURLOPT_FRESH_CONNECT, true);
//curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
$response = curl_exec($curl);
curl_close($curl);
$result = json_decode($response, true);
} catch (Exception $e) {
$result = false;
}
return $result;
}
}
$ulp_mailchimp = new ulp_mailchimp_class();
?> ).')