Prestashop title and canonical

head.tpl

{assign var="aw_url" value=$smarty.server.REQUEST_URI}
       {if strpos($aw_url,'?') !== false}
          <meta name="robots" content="noindex, follow">
          
        
      {elseif $page.meta.robots !== 'index'}
        <meta name="robots" content="{$page.meta.robots}">
      {/if}

{if $page.page_name=="category"}
     <title>{block name='head_seo_title'}{$page.meta.title} | Olelux{/block}</title>
  {elseif  $page.page_name=="product"}
    <title>{block name='head_seo_title'}{$page.meta.title} | Olelux{/block}</title>
  {else}
    <title>{block name='head_seo_title'}{$page.meta.title} {/block}</title>
  {/if}
  
  
  {if isset($smarty.get.id_category) }
    
   
    <link rel="canonical" href="{$link->getCategoryLink($smarty.get.id_category)}">
 
  {elseif isset($smarty.get.id_manufacturer)}
    <link rel="canonical" href="{$link->getManufacturerLink($smarty.get.id_manufacturer)}">
  {elseif $page.page_name=="new-products"}
    <link rel="canonical" href="{$link->getPageLink('new-products')}">
  {elseif $page.page_name=="best-sales"}
    <link rel="canonical" href="{$link->getPageLink('best-sales')}">
  {elseif $page.canonical}
    <link rel="canonical" href="{$page.canonical}">
  {/if }