public function index()
  {
      $this->load->model('import/error');
      $this->load->model('import/product');
      $this->load->model('import/currency');
      $this->load->model('import/language');
      $this->load->model('import/category');
      $this->load->model('import/manufacturer');
      $this->load->model('import/option');
      $this->load->model('import/attribute');

      $products = array();
      $languages = array();
      $currencies = array();
      $groups = array();
      $brands = array();
      $options = array();
      $attributes = array();

      if($this->getFromFile('db.products', false)===false ) {
        $db_products = $this->model_import_product->mappingProducts($this->supplier['supplier_id']);

        $this->saveToFile('db.products', $db_products);
      }

      $get_products = $this->get_content($this->supplier['url_product']);

      if( $get_products && !$this->getFromFile('products'.$_GET['shop'], false) )
      {
        if( $get_products->languages )
          foreach ($get_products->languages->language as $language)

            $languages[ (string)$language->id ] = (string)$language->code;

        $currencies[ (string)$get_products->products['currency'] ] = (string)$get_products->products['currency'];

        if( $get_products->categories )

          foreach ($get_products->categories->category as $category)

            $groups[ (string)$category->id ] = (string)$category->name;

        if( $get_products->manufactures )

          foreach ($get_products->manufactures->manufacturer as $manufacturer)

            $brands[ (string)$manufacturer->id ] = (string)$manufacturer->name;

        $db_products = $this->getFromFile('db.products');

        foreach ($get_products->products->product as $product)
        {

          $item = (array)$product;
          unset( $db_products[ $item['id'] ] );
          $item['code'] = (string)$product->code;
          $item['manufacturer_id'] = (string)$product->manufacturer_id;
          $item['options'] = array();
          $item['attributes'] = array();
          $item['images'] = array();
          $item['price'] = (float)$product->price;
          $item['price_old'] = (float)$product->price_old;
          $item['currency'] = (string)$get_products->products['currency'];

          if( $product->description )
            foreach ($product->description as $description)
              $item['product_description'][ (string)$description['language_id'] ] = array(
                'name' => (string)$description->title,
                'short_description' => (string)$description->short_description,
                'description' => (string)$description->description,
              );

          if( $product->variants )
            foreach ($product->variants->variant as $variant) {
              $option_code = (string)$variant->title . (string)$variant->value_title;

              $options[ $option_code ] = (string)$variant->title . ' ' . (string)$variant->value_title;

              $item['options'][ $option_code ] = array(
                'required' => 1,
                'product_option_value' => array(
                    'quantity' => (int)$variant->quantity,
                    'subtract' => $this->supplier['subtract'],
                    'price' => (float)$variant->price,
                    'price_prefix' => (string)$variant->price_prefix,
                )
              );
            }

          if ($product->amount_prices)
            foreach ($product->amount_prices->price as $price) {
              if ((int)$price->attributes()->amount > 0) {
                $item['product_discount'][] = array(
                  'quantity' => (int)$price->attributes()->amount,
                  'price'   => (float)$price
                );
              }
            }

          if( $product->attributes )
            foreach ($product->attributes->attribute as $attribute) {
              $attributes[ (string)$attribute['title'] ] = (string)$attribute['title'];

              $item['attributes'][ (string)$attribute['title'] ] = (string)$attribute;
            }

          $s = 0;
          if( $product->images )
            foreach ($product->images->image as $image) {
              if( (string)$image  )
                $item['images'][] = array( 'name' => (string)$product->id . '_' . $s, 'url' => (string)$image );

              $s++;
            }

          $products[ (string)$product->id ] = $item;
        }

        $this->saveToFile('db.products', $db_products);
      }

      $this->languages = $this->model_import_language->mappingLanguages($this->supplier['supplier_id'], $languages);
      $this->currencies = $this->model_import_currency->mappingCurrencies($this->supplier['supplier_id'], $currencies);
      $this->categories = $this->model_import_category->mappingCategories($this->supplier['supplier_id'], $groups);
      $this->manufacturers = $this->model_import_manufacturer->mappingManufacturers($this->supplier['supplier_id'], $brands);
      $this->options = $this->model_import_option->mappingOptions($this->supplier['supplier_id'], $options);
      $this->attributes = $this->model_import_attribute->mappingAttributes($this->supplier['supplier_id'], $attributes);

      if( $products ) {
        $products = array_chunk($products, $this->chunk_size);

        $this->saveToFile('products'.$_GET['shop'], $products);

        $this->redirect($this->url->link('import/' . $this->supplier_code, 'shop=' . $_GET['shop'], 'SSL'));
      }

      if( $products = $this->getFromFile('products'.$_GET['shop']) ) {
        reset($products);
        $import = key($products);

        $this->import( $products[ $import ] );

        unset($products[ $import ]);

        if( $products ) {
          $this->saveToFile('products'.$_GET['shop'], $products);

          $this->redirect($this->url->link('import/' . $this->supplier_code, 'shop=' . $_GET['shop'], 'SSL'));
        } else {
          $db_products = $this->getFromFile('db.products');

          foreach ($db_products as $sku => $db_product)

            //$this->model_import_product->deleteProduct($db_product);
            $this->model_import_product->import(array('sku' => $sku), $this->supplier);

          echo 'Import Success';
        }
      }
  }