toutpratique/modules/cmsps/cmsps.php

<?php

if (!defined('_CAN_LOAD_FILES_'))
	exit;

class CmsPS extends Module
{
    public function __construct()
    {
        $this->name = 'cmsps';
        $this->tab = 'front_office_features';
        $this->version = '1.0';
        $this->author = 'Antadis';
        $this->need_instance = 0;

        $this->bootstrap = true;
        parent::__construct();

        $this->displayName = $this->l('CMS component by Antadis');
        $this->description = $this->l('Manage CMS data in Prestashop');
        $this->secure_key = Tools::encrypt($this->name);
        $this->ps_versions_compliancy = array('min' => '1.6', 'max' => _PS_VERSION_);
    }

    public function install()
    {
        if (Shop::isFeatureActive())
            Shop::setContext(Shop::CONTEXT_ALL);

        if (!parent::install()
            || !$this->registerHook('displayRelatedProduct')
            || !$this->registerHook('footer')
            || !$this->createTables()
        )
            return false;
    }

    public function createTables (){
        return true;
    }

    public function hookdisplayFooter() {
        $this->context->controller->addJS(($this->_path).'voting.js', 'all');
    }
    
    public function hookdisplayRelatedProduct($params) {
        $id_product = $params['product']->id;
        p($id_product);
    }
}