<?php

if (!defined('_PS_VERSION_')) {
    exit;
}

function upgrade_module_1_3_0($module)
{
    $columns = Db::getInstance()->executeS(
        'SHOW COLUMNS FROM `' . _DB_PREFIX_ . 'ws_customhtml` LIKE \'column_class\''
    );

    if (empty($columns)) {
        if (!Db::getInstance()->execute(
            'ALTER TABLE `' . _DB_PREFIX_ . 'ws_customhtml`
             ADD COLUMN `column_class` VARCHAR(128) NOT NULL DEFAULT \'col-12\' AFTER `content`'
        )) {
            return false;
        }
    }

    return true;
}