/**
* Adds an item to a User's Product Compare
* whether in the session or the db
*
*/
function addProductToCompare()
{
// saving the session id which will use to update the cart
$session = JFactory::getSession();
$userid = JFactory::getUser()->id;
// After login, session_id is changed by Joomla, so store this for reference
$session->set('old_sessionid', $session->getId());
$response = array();
$response['msg'] = '';
$response['error'] = '';
$product_id = JRequest::getVar('product_id');
$add = JRequest::getVar('add', 1);
//deleting product to compare
if (!$add) {
$db = JFactory::getDBO();
Tienda::load('TiendaQuery', 'library.query');
$query = new TiendaQuery();
$query->delete();
$query->from("#__tienda_productcompare");
$query->where("`product_id` = '{$product_id}' ");
$query->where("`session_id` = '" . $session->getId() . "' ");
$query->where("`user_id` = '{$userid}'");
$db->setQuery((string) $query);
if (!$db->query()) {
$response['msg'] = $helper->generateMessage($db->getErrorMsg());
$response['error'] = '1';
return false;
}
} else {
Tienda::load('TiendaHelperProductCompare', 'helpers.productcompare');
$compare_helper = new TiendaHelperProductCompare();
//check limit
$compareLimit = $compare_helper->checkLimit();
if (!$compareLimit) {
Tienda::load('TiendaHelperBase', 'helpers._base');
$helper = TiendaHelperBase::getInstance();
$limit = Tienda::getInstance()->get('compared_products', '5');
$response['msg'] = $helper->generateMessage(JText::sprintf("COM_TIENDA_ONLY_N_PRODUCTS_CAN_BE_ADDED_TO_COMPARE", $limit));
$response['error'] = '1';
echo json_encode($response);
return;
}
// create cart object out of item properties
$item = new JObject();
$item->user_id = $userid;
$item->product_id = (int) $product_id;
// add the item to the product comparison
$compare_item = $compare_helper->addItem($item);
}
//load user compared items
$model = $this->getModel($this->get('suffix'));
$model->setState('filter_user', $userid);
if (empty($user->id)) {
$model->setState('filter_session', $session->getId());
}
$items = $model->getList();
//TODO: make it to call a view
$response['msg'] .= '<ul>';
foreach ($items as $item) {
$table = JTable::getInstance('Products', 'TiendaTable');
$table->load(array('product_id' => $item->product_id));
$response['msg'] .= '<li>';
$response['msg'] .= '<a href="' . JRoute::_('index.php?option=com_tienda&view=products&task=view&id=' . $item->product_id) . '">';
$response['msg'] .= $table->product_name;
$response['msg'] .= '</a>';
$response['msg'] .= '</li>';
}
$response['msg'] .= '</ul>';
echo json_encode($response);
return;
}
