privilegedemarque/modules/privatesales/models/SaleCategory.php

<?php
/**
 * Description of SaleCategory
 *
 * @company Antadis
 */

class SaleCategory extends ObjectModel{

    public $id_privatesales_category;
    public $id_parent = 0;
    public $active;
    public $title;
    public $alias;
    public $description;
    public $sales;
    public $link_rewrite;
    
    /**
     *
     * @var type 
     */
    public static $definition = array(
        'table' => 'privatesales_category',
        'primary' => 'id_privatesales_category',
        'multilang' => true,
        'fields' => array(     
            'id_parent' => array(
                'type' => ObjectModel :: TYPE_INT,
                'validate' => 'isInt'
            ),   
            'active' => array(
                'type' => ObjectModel :: TYPE_INT,
                'validate' => 'isBool'
            ),   
            'title' => array(
                'type' => ObjectModel :: TYPE_STRING, 
                'lang' => true, 
                'validate' => 'isString',
                'required' => TRUE
            ), 
            'alias' => array(
                'type' => ObjectModel :: TYPE_STRING, 
                'lang' => true, 
                'validate' => 'isString',
                'required' => TRUE
            ), 
            'description' => array(
                'type' => ObjectModel :: TYPE_STRING, 
                'lang' => true,
                'validate' => 'isString'
            ),
        ),
    );   
    
    
    /**
     *
     */
	public function __construct($id = null, $id_lang = null, $id_shop = null){
    
        parent::__construct($id, $id_lang, $id_shop);
        
        $this->initExtra($id_lang);
        
    }
    public function getSales()
    {
        if (!isset($this->sales)) {
            $this->sales = array();
            foreach (Db::getInstance()->executeS('
				SELECT `id_privatesales`
				FROM `' . _DB_PREFIX_ . 'privatesales_category_sales`
				WHERE `id_privatesales_category` = ' . $this->id . '
			') as $sales) {
                $this->sales[] = $sales['id_privatesales'];
            }
        }
        return $this->sales;
    }
    
	public static function getCategoryTab($id_lang, $active = true)
	{
		if (!Validate::isBool($active))
			die(Tools::displayError());
            
        $query = 'SELECT c.`id_privatesales_category`, cl.`title`, cl.`alias`
			FROM `'._DB_PREFIX_.'privatesales_category` c
			LEFT JOIN `'._DB_PREFIX_.'privatesales_category_lang` cl ON (c.`id_privatesales_category` = cl.`id_privatesales_category` AND `id_lang` = '.(int)$id_lang.')
			'.($active ? 'WHERE `active` = 1' : '').'
			GROUP BY c.`id_privatesales_category`';
        $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($query);
		return $result;
	}
    
    /**
     *
     */
    public static function getCategory(){
        $collection = new Collection('SaleCategory', Context::getContext()->language->id);
              
        return $collection->getAll();
    }
    
    /**
     *
     */
    public function hydrate(array $data, $id_lang = null){
    
        parent::hydrate($data, $id_lang);
        $this->initExtra($id_lang);
	}
    
    public function initExtra($id_lang){
        if ($id_lang !== NULL) {
            $c = Db::getInstance()->getRow('
                SELECT `alias`
                FROM `' . _DB_PREFIX_ . 'privatesales_category_lang`
                WHERE `id_privatesales_category` = ' . (int)$this->id. '
                AND `id_lang` = ' . (int)$id_lang . '
            ');
            $this->link_rewrite = Context::getContext()->link->getModuleLink('privatesales', 'homecat', array( 'id_sale_category' => $this->id, 'alias' => $c['alias']));
        } else {
            $this->link_rewrite = Context::getContext()->link->getModuleLink('privatesales', 'homecat', array( 'id_sale_category' => $this->id, 'alias' => $this->alias));
        }
    }
}