/**
  * Updates the user meta.
  * 
  * @param int $user_id
  */
 public static function edit_user_profile_update($user_id)
 {
     global $wpdb;
     if (!affiliates_user_is_affiliate($user_id)) {
         return;
     }
     require_once AFFILIATES_CORE_LIB . '/class-affiliates-settings.php';
     require_once AFFILIATES_CORE_LIB . '/class-affiliates-settings-registration.php';
     $registration_fields = Affiliates_Settings_Registration::get_fields();
     // remove fields not stored as user meta
     foreach (Affiliates_Registration::get_skip_meta_fields() as $key) {
         unset($registration_fields[$key]);
     }
     unset($registration_fields['first_name']);
     unset($registration_fields['last_name']);
     // update user meta
     if (!empty($registration_fields)) {
         foreach ($registration_fields as $name => $field) {
             $meta_value = isset($_POST[$name]) ? $_POST[$name] : '';
             $meta_value = Affiliates_Utility::filter($meta_value);
             update_user_meta($user_id, $name, maybe_unserialize($meta_value));
         }
     }
     // The affiliate entry must be updated using the profile_update action
     // as we don't have the updated user info here yet.
 }
/**
 * Show edit affiliate form.
 * @param int $affiliate_id affiliate id
 */
function affiliates_admin_affiliates_edit($affiliate_id)
{
    global $wpdb;
    if (!current_user_can(AFFILIATES_ADMINISTER_AFFILIATES)) {
        wp_die(__('Access denied.', AFFILIATES_PLUGIN_DOMAIN));
    }
    $affiliate = affiliates_get_affiliate(intval($affiliate_id));
    if (empty($affiliate)) {
        wp_die(__('No such affiliate.', AFFILIATES_PLUGIN_DOMAIN));
    }
    $affiliates_users_table = _affiliates_get_tablename('affiliates_users');
    $affiliate_user = null;
    $affiliate_user_edit = '';
    $affiliate_user_fields = '';
    $affiliate_user_id = $wpdb->get_var($wpdb->prepare("SELECT user_id FROM {$affiliates_users_table} WHERE affiliate_id = %d", intval($affiliate_id)));
    if ($affiliate_user_id !== null) {
        $affiliate_user = get_user_by('id', intval($affiliate_user_id));
        if ($affiliate_user) {
            // user edit link
            if (current_user_can('edit_user', $affiliate_user->ID)) {
                $affiliate_user_edit = sprintf(__('Edit %s', AFFILIATES_PLUGIN_DOMAIN), '<a target="_blank" href="' . esc_url("user-edit.php?user_id={$affiliate_user->ID}") . '">' . $affiliate_user->user_login . '</a>');
            }
            // user meta fields
            require_once AFFILIATES_CORE_LIB . '/class-affiliates-settings.php';
            require_once AFFILIATES_CORE_LIB . '/class-affiliates-settings-registration.php';
            $registration_fields = Affiliates_Settings_Registration::get_fields();
            // remove fields not stored as user meta
            foreach (Affiliates_Registration::get_skip_meta_fields() as $key) {
                unset($registration_fields[$key]);
            }
            // render user meta
            foreach ($registration_fields as $name => $field) {
                if ($field['enabled']) {
                    $affiliate_user_fields .= '<div class="field">';
                    $affiliate_user_fields .= '<label>';
                    $affiliate_user_fields .= esc_html(stripslashes($field['label']));
                    // @todo i18n
                    $affiliate_user_fields .= ' ';
                    $type = isset($field['type']) ? $field['type'] : 'text';
                    $value = get_user_meta($affiliate_user->ID, $name, true);
                    $affiliate_user_fields .= sprintf('<input type="text" value="%s" readonly="readonly" />', esc_attr(stripslashes($value)));
                    $affiliate_user_fields .= '</label>';
                    $affiliate_user_fields .= '</div>';
                }
            }
        }
    }
    $current_url = (is_ssl() ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
    $current_url = remove_query_arg('action', $current_url);
    $current_url = remove_query_arg('affiliate_id', $current_url);
    $name = isset($_POST['name-field']) ? $_POST['name-field'] : $affiliate['name'];
    $email = isset($_POST['email-field']) ? $_POST['email-field'] : $affiliate['email'];
    $user_login = isset($_POST['user-field']) ? $_POST['user-field'] : ($affiliate_user != null ? $affiliate_user->user_login : '');
    $from_date = isset($_POST['from-date-field']) ? $_POST['from-date-field'] : $affiliate['from_date'];
    $thru_date = isset($_POST['thru-date-field']) ? $_POST['thru-date-field'] : $affiliate['thru_date'];
    $output = '<div class="manage-affiliates">' . '<div>' . '<h1>' . __('Edit an affiliate', AFFILIATES_PLUGIN_DOMAIN) . '</h1>' . '</div>' . '<form id="edit-affiliate" action="' . esc_url($current_url) . '" method="post">' . '<div class="affiliate edit">' . '<input id="affiliate-id-field" name="affiliate-id-field" type="hidden" value="' . esc_attr(intval($affiliate_id)) . '"/>' . '<div class="field">' . '<label class="field-label first required">' . '<span class="label">' . __('Name', AFFILIATES_PLUGIN_DOMAIN) . '</span>' . ' ' . '<input id="name-field" name="name-field" class="namefield" type="text" value="' . esc_attr(stripslashes($name)) . '"/>' . '</label>' . '</div>' . '<div class="field">' . '<label class="field-label">' . '<span class="label">' . __('Email', AFFILIATES_PLUGIN_DOMAIN) . '</span>' . ' ' . '<input id="email-field" name="email-field" class="emailfield" type="text" value="' . esc_attr($email) . '"/>' . '</label>' . ' ' . '<span class="description">' . __("If a valid <strong>Username</strong> is specified and no email is given, the user's email address will be used automatically.", AFFILIATES_PLUGIN_DOMAIN) . '</span>' . '</div>' . '<div class="field">' . '<label class="field-label">' . '<span class="label">' . __('Username', AFFILIATES_PLUGIN_DOMAIN) . '</span>' . ' ' . '<input id="user-field" name="user-field" class="userfield" type="text" autocomplete="off" value="' . esc_attr(stripslashes($user_login)) . '"/>' . '</label>' . ' ' . $affiliate_user_edit . '</div>' . $affiliate_user_fields . '<div class="field">' . '<label class="field-label">' . '<span class="label">' . __('From', AFFILIATES_PLUGIN_DOMAIN) . '</span>' . ' ' . '<input id="from-date-field" name="from-date-field" class="datefield" type="text" value="' . esc_attr($from_date) . '"/>' . '</label>' . '</div>' . '<div class="field">' . '<label class="field-label">' . '<span class="label">' . __('Until', AFFILIATES_PLUGIN_DOMAIN) . '</span>' . ' ' . '<input id="thru-date-field" name="thru-date-field" class="datefield" type="text" value="' . esc_attr($thru_date) . '"/>' . '</label>' . '</div>';
    $output .= '<div class="field">' . wp_nonce_field('affiliates-edit', AFFILIATES_ADMIN_AFFILIATES_NONCE, true, false) . '<input class="button button-primary" type="submit" value="' . __('Save', AFFILIATES_PLUGIN_DOMAIN) . '"/>' . '<input type="hidden" value="edit" name="action"/>' . ' ' . '<a class="cancel button" href="' . esc_url($current_url) . '">' . __('Cancel', AFFILIATES_PLUGIN_DOMAIN) . '</a>' . '</div>' . '</div>' . '</form>' . '</div>';
    // .manage-affiliates
    echo $output;
    affiliates_footer();
}