<?php // ==========================================  seo_url.php v.200515 opencart-russia.ru ===============================
class ControllerCommonSeoUrl extends Controller {
	public function index() {
		// Add rewrite to url class
		if ($this->config->get('config_seo_url')) {
			$this->url->addRewrite($this);
		}
		
		// Decode URL
		if (isset($this->request->get['_route_'])) {
			$parts = explode('/', $this->request->get['_route_']);
			// remove any empty arrays from trailing
			if (utf8_strlen(end($parts)) == 0) {
				array_pop($parts);
			}
			foreach ($parts as $part) {
				$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "url_alias WHERE keyword = '" . $this->db->escape($part) . "'");
				if ($query->num_rows) {
					$url = explode('=', $query->row['query']);
					if ($url[0] == 'product_id') {
						$this->request->get['product_id'] = $url[1];
					}
					if ($url[0] == 'category_id') {
						if (!isset($this->request->get['path'])) {
							$this->request->get['path'] = $url[1];
						} else {
							$this->request->get['path'] .= '_' . $url[1];
						}
					}
					if ($url[0] == 'manufacturer_id') {
						$this->request->get['manufacturer_id'] = $url[1];
					}
					if ($url[0] == 'information_id') {
						$this->request->get['information_id'] = $url[1];
					}
					

			if ($url[0] == 'blog_id') {$this->request->get['blog_id'] = $url[1]; }
			if ($url[0] == 'blog_category_id') {
			if (!isset($this->request->get['blogpath'])) {
			$this->request->get['blogpath'] = $url[1];
				} else {
			$this->request->get['blogpath'] .= '_' . $url[1];
			}}
			
					if ($query->row['query'] && $url[0] != 'information_id' && $url[0] != 'manufacturer_id' && $url[0] 
			!= 'category_id' && $url[0] != 'blog_category_id' && $url[0] != 'blog_id' && $url[0] 
			 != 'product_id') {
						$this->request->get['route'] = $query->row['query'];
					}
					
				} else {
					$this->request->get['route'] = 'error/not_found';
					break;
				}
			}
			if (!isset($this->request->get['route'])) {
				if (isset($this->request->get['product_id'])) {
					$this->request->get['route'] = 'product/product';

			} elseif (isset($this->request->get['blog_id'])) {
			$this->request->get['route'] = 'blog/blog';
			} elseif ($this->request->get['_route_'] ==  'blog_home') { 
			$this->request->get['route'] = 'blog/home';
			
				} elseif (isset($this->request->get['path'])) {
					$this->request->get['route'] = 'product/category';

			} elseif (isset($this->request->get['blogpath'])) {
			$this->request->get['route'] = 'blog/category';
			
				} elseif (isset($this->request->get['manufacturer_id'])) {
					$this->request->get['route'] = 'product/manufacturer/info';
				} elseif (isset($this->request->get['information_id'])) {
					$this->request->get['route'] = 'information/information';
				}
			}
			if (isset($this->request->get['route'])) {
				return new Action($this->request->get['route']);
			}
			
		  // Redirect 301	
		} elseif (isset($this->request->get['route']) && empty($this->request->post) && !isset($this->request->get['token']) && $this->config->get('config_seo_url')) {
			$arg = '';
			$cat_path = false;
			if ($this->request->get['route'] == 'product/product' && isset($this->request->get['product_id'])) {
				$this->request->get['route'] = 'product_id=' . $this->request->get['product_id'];
			} elseif ($this->request->get['route'] == 'product/category' && isset($this->request->get['path'])) {
				$categorys_id = explode('_', $this->request->get['path']);
				$cat_path = '';
				foreach ($categorys_id as $category_id) {
					$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "url_alias WHERE `query` = 'category_id=" . (int)$category_id . "'");	
					if ($query->num_rows && $query->row['keyword'] /**/ ) {
						$cat_path .= '/' . $query->row['keyword'];
					} else {
						$cat_path = false;
						break;
					}
				}
				$arg = trim($cat_path, '/');
			} elseif ($this->request->get['route'] == 'product/manufacturer/info' && isset($this->request->get['manufacturer_id'])) {
				$this->request->get['route'] = 'manufacturer_id=' . $this->request->get['manufacturer_id'];
			} elseif ($this->request->get['route'] == 'information/information' && isset($this->request->get['information_id'])) {
				$this->request->get['route'] = 'information_id=' . $this->request->get['information_id'];
			} elseif (sizeof($this->request->get) > 1) {
				$args = '?' . str_replace("route=" . $this->request->get['route'].'&amp;', "", $this->request->server['QUERY_STRING']);
				$arg = str_replace('&amp;', '&', $args);
			} elseif ($this->request->get['route'] == 'common/home') {
				$arg = HTTP_SERVER;
			} 

			$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "url_alias WHERE query = '" . $this->db->escape($this->request->get['route']) . "'");
			
			if ($query->num_rows) /**/ {
				$this->response->redirect($query->row['keyword'] . $arg, 301);
			} elseif ($cat_path) {
				$this->response->redirect($arg, 301);
			} 
		}
	}
	public function rewrite($link) {
		$url_info = parse_url(str_replace('&amp;', '&', $link));
		$url = '';
		$data = array();
		parse_str($url_info['query'], $data);
		foreach ($data as $key => $value) {
			if (isset($data['route'])) {
				if (($data['route'] == 'product/product' && $key == 'product_id') || (($data['route'] == 'product/manufacturer/info' || $data['route'] == 'product/product') && $key == 'manufacturer_id') || 
			($data['route'] == 'information/information' && $key == 'information_id') || ($data['route'] == 'blog/blog' && $key == 'blog_id'))
			 {
					$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "url_alias WHERE `query` = '" . $this->db->escape($key . '=' . (int)$value) . "'");
					if ($query->num_rows && $query->row['keyword']) {
						$url .= '/' . $query->row['keyword'];
						unset($data[$key]);
					}

			} elseif ($key == 'blogpath') {
			$blog_categories = explode('_', $value);
			foreach ($blog_categories as $category) {
			$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "url_alias WHERE `query` = 'blog_category_id=" . (int)$category . "'");
			if ($query->num_rows) {
			$url .= '/' . $query->row['keyword'];
			} else {
			$url = '';
			break;
			}}
			unset($data[$key]);
			} elseif (isset($data['route']) && $data['route'] ==   'blog/home') {
			$blog_home = $this->db->query("SELECT * FROM " . DB_PREFIX . "url_alias WHERE `query` = 'blog/home'");
			if ($blog_home->num_rows) {
			$url .= '/' . $blog_home->row['keyword'];
			} else {
			$url = '';
			}
			
				} elseif ($key == 'path') {
					$categories = explode('_', $value);
					foreach ($categories as $category) {
						$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "url_alias WHERE `query` = 'category_id=" . (int)$category . "'");
						if ($query->num_rows && $query->row['keyword']) {
							$url .= '/' . $query->row['keyword'];
						} else {
							$url = '';
							break;
						}
					}
					unset($data[$key]);
				} else {
					$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "url_alias WHERE `query` = '" . $this->db->escape($data['route']) . "'");
					if ($query->num_rows) /**/ {
						$url .= '/' . $query->row['keyword'];
						unset($data[$key]);
					}
				}
			}
		}
		if ($url) {
			unset($data['route']);
			$query = '';
			if ($data) {
				foreach ($data as $key => $value) {
					$query .= '&' . rawurlencode((string)$key) . '=' . rawurlencode((string)$value);
				}
				if ($query) {
					$query = '?' . str_replace('&', '&amp;', trim($query, '&'));
				}
			}
			return $url_info['scheme'] . '://' . $url_info['host'] . (isset($url_info['port']) ? ':' . $url_info['port'] : '') . str_replace('/index.php', '', $url_info['path']) . $url . $query;
		} else {
			return $link;
		}
	}
}