toutpratique/modules/cookiesinfos/cookiesinfos.php

<?php

/**
 *
 * @author Antadis <contact@antadis.com>
 * @copyright 2013-2014 Antadis
 * @version 1.0
 */
if (!defined('_PS_VERSION_'))
    exit;

class CookiesInfos extends Module
{
    public function __construct()
    {
        $this->name = 'cookiesinfos';
        $this->tab = 'font_office_featues';
        $this->version = '1.0';
        $this->author = 'Antadis';
        $this->bootstrap = true;

        parent::__construct();

        $this->displayName = $this->l('Cookies Informatiosn');
        $this->description = $this->l('Display a cookies informations top bar with link to redirect where you want');

        if (!Configuration::get('COOKIESINFO_LINK') ||
            !Configuration::get('COOKIESINFO_INTRO'))
            $this->warning = $this->l('Wrong settings');
    }

    public function install()
    {
        if(!parent::install() ||
            !$this->registerHook('displayCookie') ||
            !$this->registerHook('displayHeader') ||
            !Configuration::updateValue('COOKIESINFO_LINK', '') ||
            !Configuration::updateValue('COOKIESINFO_INTRO', ''))
            return false;

        return true;
    }

    public function uninstall()
    {
        if (!parent::uninstall() ||
            !Configuration::updateValue('COOKIESINFO_LINK', '') ||
            !Configuration::updateValue('COOKIESINFO_INTRO', ''))
            return false;

        return true;
    }

    public function getContent()
    {
        $output = '';
        if (Tools::isSubmit('submit' . $this->name)) {
            $link = array();
            $text = array();
            $languages = Language::getLanguages(FALSE);
            foreach ($languages as $key => $lang) {
                $link[(int) $lang['id_lang']] = Tools::getValue('COOKIESINFO_LINK_'. (int)$lang['id_lang']);
                $text[(int) $lang['id_lang']] = Tools::getValue('COOKIESINFO_INTRO_'. (int)$lang['id_lang']);
            }
            
            if ( Configuration::updateValue('COOKIESINFO_LINK', $link)
                && Configuration::updateValue('COOKIESINFO_INTRO', $text) ) {
                $output .= $this->displayConfirmation($this->l('Settings updated'));            
            }
        }
        return $output . $this->displayForm();
    }

    public function displayForm()
    {
        // Get default Language
        $default_lang = (int) Configuration::get('PS_LANG_DEFAULT');

        //Init Fields form array
        $fields_form[0]['form'] = array(
            'legend' => array(
                'title' => $this->l('Cookies disclaimer Settings')
            ),
            'input' => array(
                array(
                    'type' => 'text',
                    'label' => $this->l('Intro'),
                    'name' => 'COOKIESINFO_INTRO',
                    'size' => 100,
                    'required' => true,
                    'lang' => true,
                    'desc' => $this->l('The introduction text that displayed on top of the front office')
                ),
                array(
                    'type' => 'text',
                    'label' => $this->l('Link'),
                    'name' => 'COOKIESINFO_LINK',
                    'size' => 50,
                    'required' => true,
                    'lang' => true,
                    'desc' => $this->l('Link to redirect when clicking on cookies top information bar on front office')
                )
            ),
            'submit' => array(
                'title' => $this->l('Save'),
                'class' => 'button btn btn-default pull-right'
            )
        );

        $languages = Language::getLanguages(FALSE);

        foreach ($languages as $key => $lang) {
            if ($lang['id_lang'] == Context::getContext()->language->id) {
                $languages[$key]['is_default'] = true;
            } else {
                $languages[$key]['is_default'] = false;
            }
        }

        $helper = new HelperForm();
        //Module, Token and currentIndex
        $helper->module = $this;
        $helper->name_controller = $this->name;
        $helper->token = Tools::getAdminTokenLite('AdminModules');
        $helper->currentIndex = AdminController::$currentIndex . '&configure=' . $this->name;
        //Language
        $helper->default_form_language = $default_lang;
        $helper->allow_employee_form_lang = $default_lang;
        //Title and toolbar
        $helper->title = $this->displayName;
        $helper->languages = $languages;        
        $helper->show_toolbar = true;
        $helper->toolbar_scroll = true;
        $helper->submit_action = 'submit' . $this->name;
        $helper->toolbar_btn = array(
            'save' => array(
                'desc' => $this->l('Save'),
                'href' => AdminController::$currentIndex . '&configure=' . $this->name . '&save' . $this->name . '&token=' . Tools::getAdminTokenLite('AdminModules')
            ),
            'back' => array(
                'href' => AdminController::$currentIndex . '&token=' . Tools::getAdminTokenLite('AdminModules'),
                'desc' => $this->l('Back to list')
            )
        );
        //Load current value
        $helper->fields_value['COOKIESINFO_LINK'] = Configuration::getInt('COOKIESINFO_LINK');
        $helper->fields_value['COOKIESINFO_INTRO'] = Configuration::getInt('COOKIESINFO_INTRO');
        
        return $helper->generateForm($fields_form);
    }

    public function hookDisplayHeader($params)
    {
        if (Tools::getIsset('validation_cookies')) {
             setcookie('accepted_cookies', 1, time() + (365 * 24 * 60 * 60) , '/');
            Tools::redirect($_SERVER['HTTP_REFERER']);
        }
    }

    public function hookDisplayCookie($params)
    {
        if(!self::isAccepted()) {           
            $this->context->smarty->assign(array(
                'cookies_intro' =>  Configuration::get('COOKIESINFO_INTRO', $this->context->language->id),
                'cookies_link'  =>  Configuration::get('COOKIESINFO_LINK', $this->context->language->id)
            ));
            return $this->display($this->_path, 'views/templates/hook/displayTop.tpl');
        }
    }
    
    public static function setCookie() 
    {
        setcookie('accepted_cookies', 1, time()+3600*24*365, '/');
    }

    public static function isAccepted()
    {
        return (bool) (isset($_COOKIE['accepted_cookies']) ? true : false);
    }

}