public function __construct()
{
$this->config = Mage::helper('algoliasearch/config');
$this->product_helper = Mage::helper('algoliasearch/entity_producthelper');
$this->category_helper = Mage::helper('algoliasearch/entity_categoryhelper');
$this->suggestion_helper = Mage::helper('algoliasearch/entity_suggestionhelper');
$this->helper = Mage::helper('algoliasearch');
}