category Module side bar 2.1.0.1

Code: Select all

$categories = $this->model_catalog_category->getCategories(0);
		$category_info = $this->model_catalog_category->getCategory($data['category_id']);
		
			$data['parent_name'] = $category_info['name'];
			$data['parent_id']   = $category_info['parent_id'];
			$data['category_id']   = $category_info['category_id'];
			$data['category_name']   = $category_info['name'];
			$data['parent_href'] = $this->url->link('product/category', 'path=' . $this->request->get['path']);
			$data['child_href_parent'] = $this->url->link('product/category', 'path=' . $category_info['parent_id']);
		
		var_dump($category_info['parent_id']);
		var_dump($category_info['category_id']);
		var_dump($category_info['name']);
		foreach ($categories as $category) {

			$filter_data = array(
				'filter_category_id'  => $category['category_id'],
				'filter_sub_category' => true
			);

			$data['categories'][] = array(
				'category_id' => $category['category_id'],
				'name'        => $category['name'] . ($this->config->get('config_product_count') ? ' (' . $this->model_catalog_product->getTotalProducts($filter_data) . ')' : ''),
				'parent_id'   => $category['parent_id'],
				//'children'    => $children_data,
				'href'        => $this->url->link('product/category', 'path=' . $category['category_id'])
			);
			}//foreach
	
			$children_data = array();
		    $children = $this->model_catalog_category->getCategories($data['category_id']);

				foreach($children as $child) {
					$filter_data = array(
					'filter_category_id'   => $child['category_id'],
					 'filter_sub_category' => true
					 );

					$data['children'][] = array(
						'category_id' => $child['category_id'],
						'name'        => $child['name'],
						'parent_id'   => $child['parent_id'],
						'href'        => $this->url->link('product/category', 'path=' . $child['category_id'])
					);
				}

[code]

and the category.tpl 
[code]<div class="list-group">
  <?php foreach ($categories as $category) { ?>
  <?php } ?>
  <?php if (!empty($children)) { ?>
  <a href="<?php echo $parent_href; ?>" class="list-group-item active"><i class="fa fa-arrow-circle-o-right" aria-hidden="true"></i> <?php echo $parent_name; ?></a>
  <?php foreach ($children as $child) { ?>
  <?php if ($category_id == $child['parent_id']) { ?>
  <a href="<?php echo $child['href']; ?>" class="list-group-item active">&nbsp;&nbsp;&nbsp;- <?php echo $child['name']; ?></a>
  <?php } ?>
  <?php } ?>
  <?php } else { ?>
  <?php } ?>
</div>
[code]

it displays perfectly as expected however if i reach the last category i get no subcategory because it doesn't have childs, hat i need is to stop or display the last level i'm in check the images 
[attachment=]https://forum.opencart.com/download/file.php?mode=view&id=31558[/attachment]

now if i click on any subcategory it returns empty i need to stop the loop till this level or break it if empty and display same results