"off",
"sendgrid_api_key" => "",
"sendgrid_list" => "",
"sendgrid_list_id" => "",
"sendgrid_email" => "{subscription-email}",
"sendgrid_first_name" => "{subscription-name}",
"sendgrid_last_name" => "",
"sendgrid_fields" => array()
);
function __construct() {
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(&$this, 'popup_options_populate'), 10, 1);
add_action('wp_ajax_ulp-sendgrid-lists', array(&$this, "show_lists"));
add_action('wp_ajax_ulp-sendgrid-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, $_popup_options);
echo '
'.__('SendGrid Parameters', 'ulp').'
'.__('Enable SendGrid', 'ulp').':
'.__('Please tick checkbox if you want to submit contact details to SendGrid.', 'ulp').'
'.__('API Key', 'ulp').':
'.__('Enter your SendGrid API Key. You can get it here . Make sure that API Key has Full Access to Marketing Campaigns.', 'ulp').'
'.__('List ID', 'ulp').':
'.__('Enter your List ID.', 'ulp').'
'.__('Fields', 'ulp').':
'.__('Please adjust the fields below. You can use the same shortcodes ({subscription-email}, {subscription-name}, etc.) to associate SendGrid fields with the popup fields.', 'ulp').'
';
if (!empty($popup_options['sendgrid_api_key'])) {
$fields = $this->get_fields_html($popup_options['sendgrid_api_key'], $popup_options['sendgrid_fields']);
echo $fields;
}
echo '
'.__('Load Custom Fields', 'ulp').'
'.__('Click the button to (re)load fields list. Ignore if you do not need specify fields values.', 'ulp').'
';
}
function popup_options_check($_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_sendgrid_enable"])) $popup_options['sendgrid_enable'] = "on";
else $popup_options['sendgrid_enable'] = "off";
if ($popup_options['sendgrid_enable'] == 'on') {
if (empty($popup_options['sendgrid_api_key'])) $errors[] = __('Invalid SendGrid API Key.', 'ulp');
if (empty($popup_options['sendgrid_list_id'])) $errors[] = __('Invalid SendGrid List ID.', 'ulp');
}
return array_merge($_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_sendgrid_enable"])) $popup_options['sendgrid_enable'] = "on";
else $popup_options['sendgrid_enable'] = "off";
$fields = array();
foreach($ulp->postdata as $key => $value) {
if (substr($key, 0, strlen('ulp_sendgrid_field_')) == 'ulp_sendgrid_field_') {
$field = substr($key, strlen('ulp_sendgrid_field_'));
$fields[$field] = stripslashes(trim($value));
}
}
$popup_options['sendgrid_fields'] = $fields;
return array_merge($_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['sendgrid_enable'] == 'on') {
$data = array(
'email' => $_subscriber['{subscription-email}'],
'first_name' => strtr($popup_options['sendgrid_first_name'], $_subscriber),
'last_name' => strtr($popup_options['sendgrid_last_name'], $_subscriber)
);
foreach ($popup_options['sendgrid_fields'] as $key => $value) {
if (!empty($value)) {
$data[$key] = strtr($value, $_subscriber);
}
}
$result = $this->connect($popup_options['sendgrid_api_key'], 'recipients/search?email='.strtolower($_subscriber['{subscription-email}']));
if (is_array($result) && array_key_exists('recipients', $result)) {
$subscriber_id = '';
if (sizeof($result['recipients']) > 0) {
$subscriber_id = $result['recipients'][0]['id'];
$result = $this->connect($popup_options['sendgrid_api_key'], 'recipients', array($data), 'PATCH');
} else {
$result = $this->connect($popup_options['sendgrid_api_key'], 'recipients', array($data));
if (is_array($result) && array_key_exists('persisted_recipients', $result)) {
$subscriber_id = $result['persisted_recipients'][0];
}
}
if (!empty($subscriber_id)) {
$result = $this->connect($popup_options['sendgrid_api_key'], 'lists/'.$popup_options['sendgrid_list_id'].'/recipients/'.$subscriber_id, array($data));
}
}
}
}
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');
if (is_array($result)) {
if (array_key_exists('errors', $result)) {
$return_object = array();
$return_object['status'] = 'OK';
$return_object['html'] = ''.ucfirst($result['errors'][0]['message']).'.
';
echo json_encode($return_object);
exit;
} else if (!array_key_exists('lists', $result)) {
$return_object = array();
$return_object['status'] = 'OK';
$return_object['html'] = ''.__('Invalid server response!', 'ulp').'
';
echo json_encode($return_object);
exit;
} else {
if (sizeof($result['lists']) > 0) {
foreach ($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_fields() {
global $wpdb;
if (current_user_can('manage_options')) {
if (!isset($_POST['ulp_key']) || empty($_POST['ulp_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_key']));
$return_object = array();
$return_object['status'] = 'OK';
$return_object['html'] = $this->get_fields_html($key, $this->default_popup_options['sendgrid_fields']);
echo json_encode($return_object);
}
exit;
}
function get_fields_html($_key, $_fields) {
$result = $this->connect($_key, 'custom_fields');
$fields = '';
if (is_array($result)) {
if (array_key_exists('errors', $result)) {
$fields = ''.ucfirst($result['errors'][0]['message']).'.
';
} else if (!array_key_exists('custom_fields', $result)) {
$fields = ''.__('Invalid server response!', 'ulp').'
';
} else {
if (sizeof($result['custom_fields']) > 0) {
$fields = '
';
} else {
$fields = ''.__('No custom fields found.', 'ulp').'
';
}
}
} else {
$fields = ''.__('Inavlid server response.', 'ulp').'
';
}
return $fields;
}
function connect($_api_key, $_path, $_data = array(), $_method = '') {
$headers = array(
'Authorization: Bearer '.$_api_key,
'Content-Type: application/json',
'Accept: application/json'
);
try {
$url = 'https://api.sendgrid.com/v3/contactdb/'.ltrim($_path, '/');
$curl = curl_init($url);
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
if (!empty($_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_sendgrid = new ulp_sendgrid_class();
?> ).')