SELECT 
  SQL_CALC_FOUND_ROWS products.product_id, 
  descr1.product as product, 
  companies.company as company_name, 
  popularity.total as popularity, 
  MIN(
    IF(
      prices.percentage_discount = 0, 
      prices.price, 
      prices.price - (
        prices.price * prices.percentage_discount
      )/ 100
    )
  ) as price, 
  absolute_rating.rating AS absolute_vendor_rating, 
  products.product_type, 
  products.parent_product_id, 
  products.list_price as list_price, 
  MAX(
    100 - (
      (prices.price * 100) / products.list_price
    )
  ) AS sales_discount 
FROM 
  cscart_products as products 
  LEFT JOIN cscart_product_features_values ON cscart_product_features_values.product_id = products.product_id 
  AND cscart_product_features_values.lang_code = 'en' 
  LEFT JOIN cscart_product_features ON cscart_product_features_values.feature_id = cscart_product_features.feature_id 
  LEFT JOIN cscart_product_descriptions as descr1 ON descr1.product_id = products.product_id 
  AND descr1.lang_code = 'en' 
  LEFT JOIN cscart_product_prices as prices ON prices.product_id = products.product_id 
  AND prices.lower_limit = 1 
  LEFT JOIN cscart_product_prices as prices_2 ON prices.product_id = prices_2.product_id 
  AND prices_2.lower_limit = 1 
  AND prices_2.price < prices.price 
  AND prices_2.usergroup_id IN (0, 0, 1) 
  LEFT JOIN cscart_companies AS companies ON companies.company_id = products.company_id 
  INNER JOIN cscart_products_categories as products_categories ON products_categories.product_id = products.product_id 
  INNER JOIN cscart_categories ON cscart_categories.category_id = products_categories.category_id 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
  AND cscart_categories.storefront_id IN (0, 1) 
  LEFT JOIN cscart_product_popularity as popularity ON popularity.product_id = products.product_id 
  LEFT JOIN cscart_absolute_rating AS absolute_rating ON absolute_rating.object_id = products.company_id 
  AND absolute_rating.object_type = 'company' 
  LEFT JOIN cscart_product_sales ON cscart_product_sales.product_id = products.product_id 
  AND cscart_product_sales.category_id = products_categories.category_id 
WHERE 
  1 
  AND companies.status IN ('A') 
  AND (
    products.usergroup_ids = '' 
    OR FIND_IN_SET(0, products.usergroup_ids) 
    OR FIND_IN_SET(1, products.usergroup_ids)
  ) 
  AND products.status IN ('A') 
  AND prices.usergroup_id IN (0, 0, 1) 
  AND prices_2.price IS NULL 
  AND products.parent_product_id = 0 
  AND products.company_id IN(NULL) 
  AND products.product_type != 'D' 
GROUP BY 
  products.product_id 
HAVING 
  sales_discount > 0 
  AND price < list_price 
ORDER BY 
  sales_discount desc, 
  products.product_id ASC 
LIMIT 
  0, 8