How to display product number in category module

Code: Select all

<?php 
class ControllerModuleCategory extends Controller {
   protected function index() {
      $this->language->load('module/category');
      
       $this->data['heading_title'] = $this->language->get('heading_title');
      
      if (isset($this->request->get['path'])) {
         $parts = explode('_', (string)$this->request->get['path']);
      } else {
         $parts = array();
      }
      
      if (isset($parts[0])) {
         $this->data['category_id'] = $parts[0];
      } else {
         $this->data['category_id'] = 0;
      }
      
      if (isset($parts[1])) {
         $this->data['child_id'] = $parts[1];
      } else {
         $this->data['child_id'] = 0;
      }
            if (isset($parts[2])) {
         $this->data['sisters_id'] = $parts[2];
      } else {
         $this->data['sisters_id'] = 0;
      }         
      $this->load->model('catalog/category');
      $this->load->model('catalog/product');
      
      $this->data['categories'] = array();
               
      $categories = $this->model_catalog_category->getCategories(0);
      
          foreach ($categories as $category) {
         
             $children_data = array();
          $sister_data = array();
             
             $children = $this->model_catalog_category->getCategories($category['category_id']);
             
             foreach ($children as $child) {           
                $sister_data = array();
                $sisters = $this->model_catalog_category->getCategories($child['category_id']);
                if($sisters) {
                   foreach ($sisters as $sisterMember) {
                      $sister_data[] = array(
                         'category_id' =>$sisterMember['category_id'],
                         'name'        => $sisterMember['name'],
                         'href'        => $this->url->link('product/category', 'path=' . $category['category_id'] . '_' . $child['category_id']. '_' . $sisterMember['category_id'])   
                      );                     
                                 
                   }
                   $children_data[] = array(
                         'category_id' => $child['category_id'],
                         'sister_id'   => $sister_data,
                         'name'        => $child['name'],
                         'href'        => $this->url->link('product/category', 'path=' . $category['category_id'] . '_' . $child['category_id'])   
                      );   
                }else{                     
                   $children_data[] = array(
                      'category_id' => $child['category_id'],
                      'sister_id'    =>'',
                      'name'        => $child['name'],
                      'href'        => $this->url->link('product/category', 'path=' . $category['category_id'] . '_' . $child['category_id'])   
                   );   
                }
             }         
             $data = array(
                'filter_category_id'  => $category['category_id'],
                'filter_sub_category' => true   
             );     
               
             $product_total = $this->model_catalog_product->getTotalProducts($data);
                     
             $this->data['categories'][] = array(
                'category_id' => $category['category_id'],
                'name'        => $category['name'],
                'children'    => $children_data,
                'sister'    => $sister_data,
                'href'        => $this->url->link('product/category', 'path=' . $category['category_id'])
             );
          }
      
      if (file_exists(DIR_TEMPLATE . $this->config->get('config_template') . '/template/module/category.tpl')) {
         $this->template = $this->config->get('config_template') . '/template/module/category.tpl';
      } else {
         $this->template = 'default/template/module/category.tpl';
      }
      
      $this->render();
     }
}
?>