/**
* Add/Remove emails from the subscribers table
*/
static function manage_subscribers()
{
$wpdb = Follow_Up_Emails::instance()->wpdb;
$post = stripslashes_deep($_POST);
if (!empty($post['button_add'])) {
// add an email address to the excludes list
$email = sanitize_email($post['email']);
$status = fue_add_subscriber($email);
if (is_wp_error($status)) {
wp_redirect('admin.php?page=followup-emails-subscribers&error=' . urlencode($status->get_error_message()));
exit;
}
wp_redirect('admin.php?page=followup-emails-subscribers&added=' . urlencode($email));
exit;
} elseif (!empty($post['button_csv'])) {
// process importing request
if (isset($_FILES['csv']) && is_uploaded_file($_FILES['csv']['tmp_name'])) {
ini_set("auto_detect_line_endings", true);
$fh = @fopen($_FILES['csv']['tmp_name'], 'r');
$i = 0;
$added = 0;
while ($row = fgetcsv($fh)) {
$i++;
if (empty($row) || empty($row[0])) {
continue;
}
$status = fue_add_subscriber($row[0]);
if (!is_wp_error($status)) {
$added++;
}
}
wp_redirect('admin.php?page=followup-emails-subscribers&imported=' . $added);
exit;
}
} elseif (!empty($post['button_delete'])) {
$emails = $post['email'];
$email_ids = '';
if (is_array($emails) && !empty($emails)) {
$email_ids = "'" . implode("','", array_map('absint', $emails)) . "'";
}
if (!empty($email_ids)) {
$wpdb->query("DELETE FROM {$wpdb->prefix}followup_subscribers WHERE id IN({$email_ids})");
}
wp_redirect('admin.php?page=followup-emails-subscribers&deleted=' . count($emails));
exit;
}
wp_redirect('admin.php?page=followup-emails-optouts');
exit;
}
public static function process_subscription_request()
{
if (empty($_POST['fue_action']) || $_POST['fue_action'] != 'subscribe') {
return;
}
if (!isset($_POST['_wpnonce']) || !wp_verify_nonce($_POST['_wpnonce'], 'fue_subscribe')) {
wp_die('Sorry, your browser submitted an invalid request. Please try again.');
}
$back = $_POST['_wp_http_referer'];
$email = !empty($_POST['fue_subscriber_email']) ? $_POST['fue_subscriber_email'] : '';
$id = fue_add_subscriber($email);
if (is_wp_error($id)) {
$args = array('error' => urlencode($id->get_error_message()), 'email' => urlencode($email));
} else {
$args = array('error' => '', 'fue_subscribed' => 'yes');
}
wp_redirect(add_query_arg($args, $back));
exit;
}