OpenCart 🇺🇦

if (isset($this->request->get['path'])) {
	$parts = explode('_', (string)$this->request->get['path']);
} else {
	$parts = array();
}

$category_id = end($parts);

$this->load->model('catalog/category');

$category_info = $this->model_catalog_category->getCategory($category_id);

if ($category_info) {
	$this->language->load('module/filter');

	$this->data['heading_title'] = $this->language->get('heading_title');
	
	$this->data['button_filter'] = $this->language->get('button_filter');
	
	$url = '';
	
	if (isset($this->request->get['sort'])) {
		$url .= '&sort=' . $this->request->get['sort'];
	}	

	if (isset($this->request->get['order'])) {
		$url .= '&order=' . $this->request->get['order'];
	}	
	
	if (isset($this->request->get['limit'])) {
		$url .= '&limit=' . $this->request->get['limit'];
	}
							
	$this->data['action'] = str_replace('&', '&', $this->url->link('product/category', 'path=' . $this->request->get['path'] . $url));
	
	if (isset($this->request->get['filter'])) {
		$this->data['filter_category'] = explode(',', $this->request->get['filter']);
	} else {
		$this->data['filter_category'] = array();
	}
	
	$this->load->model('catalog/product');

	$this->data['filter_groups'] = array();
	
	$filter_groups = $this->model_catalog_category->getCategoryFilters($category_id);
	
	if ($filter_groups) {
		foreach ($filter_groups as $filter_group) {
			$filter_data = array();
			
			foreach ($filter_group['filter'] as $filter) {
				$data = array(
					'filter_category_id' => $category_id,
					'filter_filter'      => $filter['filter_id']
				);	
				
				$filter_data[] = array(
					'filter_id' => $filter['filter_id'],
					'name'      => $filter['name'] . ($this->config->get('config_product_count') ? ' (' . $this->model_catalog_product->getTotalProducts($data) . ')' : '')
				);
			}
			
			$this->data['filter_groups'][] = array(
				'filter_group_id' => $filter_group['filter_group_id'],
				'name'            => $filter_group['name'],
				'filter'          => $filter_data
			);
		} 
	
		if (file_exists(DIR_TEMPLATE . $this->config->get('config_template') . '/template/module/filter.tpl')) {
			$this->template = $this->config->get('config_template') . '/template/module/filter.tpl';
		} else {
			$this->template = 'default/template/module/filter.tpl';
		}
		
		$this->render();
	}
}