Save data to database

[akrom1kas]

Hello, I need help on how to save data in my database

<?php
if (!defined('_PS_VERSION_')) {
    exit;
}

class Naujas extends Module
{
    protected bool $config_form = false;

    public function __construct()
    {
        $this->name = 'naujas';
        $this->tab = 'migration_tools';
        $this->version = '1.0.0';
        $this->author = 'Mindaugas';
        $this->need_instance = 1;

        /**
         * Set $this->bootstrap to true if your module is compliant with bootstrap (PrestaShop 1.6)
         */
        $this->bootstrap = true;

        parent::__construct();

        $this->displayName = $this->l('naujas');
        $this->description = $this->l('naujas naujas naujas');

        $this->confirmUninstall = $this->l('Ar tikrai norite istrinti?');

        $this->ps_versions_compliancy = array('min' => '1.6', 'max' => _PS_VERSION_);
    }
    /**
     * Don't forget to create update methods if needed:
     * http://doc.prestashop.com/display/PS16/Enabling+the+Auto-Update
     */

    public function install()
    {
        include(dirname(__FILE__).'/sql/install.php');

        return parent::install() &&
            $this->registerHook('header') &&
            $this->registerHook('displayBackOfficeHeader') &&
            $this->registerHook('displayFooter');
    }

    public function uninstall()
    {
        include(dirname(__FILE__).'/sql/uninstall.php');

        return parent::uninstall();
    }

    /**
     * Load the configuration form
     */
    public function getContent()
    {
        /**
         * If values have been submitted in the form, process.
         */
        if (((bool)Tools::isSubmit('submitNaujasModule')) == true) {
            $this->postProcess();
        }

        $this->context->smarty->assign('module_dir', $this->_path);

        $output = $this->context->smarty->fetch($this->local_path.'views/templates/admin/configure.tpl');

        return $output.$this->renderForm();
    }

    /**
     * Create the form that will be displayed in the configuration of your module.
     */
    protected function renderForm()
    {
        $helper = new HelperForm();

        $helper->show_toolbar = false;
        $helper->table = $this->table;
        $helper->module = $this;
        $helper->default_form_language = $this->context->language->id;
        $helper->allow_employee_form_lang = Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG', 0);

        $helper->identifier = $this->identifier;
        $helper->submit_action = 'submitNaujasModule';
        $helper->currentIndex = $this->context->link->getAdminLink('AdminModules', false)
            .'&configure='.$this->name.'&tab_module='.$this->tab.'&module_name='.$this->name;
        $helper->token = Tools::getAdminTokenLite('AdminModules');

        $helper->tpl_vars = array(
            'fields_value' => $this->getConfigFormValues(), /* Add values for your inputs */
            'languages' => $this->context->controller->getLanguages(),
            'id_language' => $this->context->language->id,
        );

        return $helper->generateForm(array($this->getConfigForm()));
    }

    /**
     * Create the structure of your form.
     */
    protected function getConfigForm()
    {
        return array(
            'form' => array(
                'legend' => array(
                'title' => $this->l('Nustatymai'),
                'icon' => 'icon-cogs',
                ),
                'input' => array(
                    array(
                        'col' => 3,
                        'type' => 'text',
                        'name' => 'importavimo_nuoroda',
                        'label' => $this->l('Importavimo nuoroda:'),
                    ),
                    array(
                        'col' => 3,
                        'type' => 'text',
                        'name' => 'prekiu_nuoroda',
                        'label' => $this->l('Prekių nuoroda:'),
                    ),
                    array(
                        'col' => 3,
                        'type' => 'text',
                        'name' => 'vardas',
                        'label' => $this->l('Prisijungimo vardas:'),
                    ),
                    array(
                        'col' => 3,
                        'type' => 'text',
                        'name' => 'password',
                        'label' => $this->l('Prisijungimo slaptažodis:'),
                    ),
                ),
                'submit' => array(
                    'title' => $this->l('Save'),
                ),
            ),
        );
    }

    /**
     * Set values for the inputs.
     */
    protected function getConfigFormValues()
    {
        return array(
            'importavimo_nuoroda' => Configuration::get('importavimo_nuoroda'),
            'prekiu_nuoroda' => Configuration::get('prekiu_nuoroda'),
            'vardas' => Configuration::get('vardas'),
            'password' => Configuration::get('password', null),
        );
    }

    /**
     * Save form data.
     */
    protected function postProcess()
    {
        $form_values = $this->getConfigFormValues();

        foreach (array_keys($form_values) as $key) {
            Configuration::updateValue($key, Tools::getValue($key));
        }
    }

    /**
    * Add the CSS & JavaScript files you want to be loaded in the BO.
    */
    public function hookDisplayBackOfficeHeader()
    {
        if (Tools::getValue('configure') == $this->name) {
            $this->context->controller->addJS($this->_path.'views/js/back.js');
            $this->context->controller->addCSS($this->_path.'views/css/back.css');
        }
    }

    /**
     * Add the CSS & JavaScript files you want to be added on the FO.
     */
    public function hookHeader()
    {
        $this->context->controller->addJS($this->_path.'/views/js/front.js');
        $this->context->controller->addCSS($this->_path.'/views/css/front.css');
    }
//
//    public function hookDisplayFooter()
//    {
//        $test = "testing!";
//        echo $test;
//        die;
//    }
}