function mailchimp_import_process()
{
global $wpdb;
check_ajax_referer('mailchimp-import', 'nonce');
$mailchimp_stats = $_POST['mailchimp_stats'];
$mailchimp_import_mailing_list = $_POST['mailchimp_import_mailing_list'];
$mailchimp_import_auto_opt_in = $_POST['mailchimp_import_auto_opt_in'];
if (!empty($mailchimp_import_mailing_list)) {
$mailchimp_ignore_plus = get_site_option('mailchimp_ignore_plus');
$users_count = absint($_POST['import_user_counts']);
$import_users_batch = apply_filters('mailchimp_import_users_batch', 200);
$query = "SELECT u.ID FROM {$wpdb->users} u LIMIT {$users_count}, {$import_users_batch}";
$existing_users = $wpdb->get_col($query);
$add_list = array();
foreach ($existing_users as $user_id) {
$user = get_user_by('id', $user_id);
if (!$user || !empty($user->spam) || !empty($user->deleted)) {
continue;
}
$item = array('email' => array('email' => $user->user_email));
$merge_vars = array();
if ($first_name = get_user_meta($user_id, 'first_name', true)) {
$merge_vars['FNAME'] = $first_name;
}
if ($last_name = get_user_meta($user_id, 'last_name', true)) {
$merge_vars['LNAME'] = $last_name;
}
$merge_groups = mailchimp_get_interest_groups();
if (!empty($merge_groups)) {
$merge_groups = array('groupings' => $merge_groups);
}
$merge_vars = array_merge($merge_vars, $merge_groups);
$merge_vars = apply_filters('mailchimp_bulk_merge_vars', $merge_vars, $item, $user_id);
$item['merge_vars'] = $merge_vars;
$add_list[] = $item;
}
if (!empty($add_list)) {
$results = mailchimp_bulk_subscribe_users($add_list, $mailchimp_import_mailing_list, $mailchimp_import_auto_opt_in, true);
$mailchimp_stats['added'] = $mailchimp_stats['added'] + count($results['added']);
$mailchimp_stats['updated'] = $mailchimp_stats['updated'] + count($results['updated']);
$mailchimp_stats['errors'] = $mailchimp_stats['errors'] + count($results['errors']);
}
$data = array('processed' => $import_users_batch, 'mailchimp_stats' => $mailchimp_stats);
wp_send_json_success($data);
} else {
$data = array('error' => __('Please, select a list to subscribe users', MAILCHIMP_LANG_DOMAIN));
wp_send_json_error($data);
}
}
function mailchimp_add_user($uid)
{
if (is_integer($uid)) {
$user = get_userdata($uid);
} elseif (is_array($uid)) {
$user = new stdClass();
$user->spam = false;
$user->deleted = false;
$user->user_email = $uid['email'];
$user->user_firstname = $uid['first_name'];
$user->user_lastname = $uid['last_name'];
} else {
return false;
}
//check for spam
if ($user->spam || $user->deleted) {
return false;
}
//remove + sign emails
if (get_site_option('mailchimp_ignore_plus') == 'yes' && strstr($user->user_email, '+')) {
return false;
}
$mailchimp_mailing_list = get_site_option('mailchimp_mailing_list');
$mailchimp_auto_opt_in = get_site_option('mailchimp_auto_opt_in');
$autopt = $mailchimp_auto_opt_in == 'yes' ? true : false;
$merge_vars = array('FNAME' => $user->user_firstname, 'LNAME' => $user->user_lastname);
$merge_groups = mailchimp_get_interest_groups();
if (!empty($merge_groups)) {
$merge_groups = array('groupings' => $merge_groups);
}
$merge_vars = array_merge($merge_vars, $merge_groups);
$merge_vars = apply_filters('mailchimp_merge_vars', $merge_vars, $user);
do_action('mailchimp_subscribe_user', $merge_vars, $user);
$results = mailchimp_subscribe_user($user->user_email, $mailchimp_mailing_list, $autopt, $merge_vars, true);
return $results;
}