Open Graph tags

{%- assign og_title = page_title -%}
{%- assign og_url = canonical_url -%}
{%- assign og_type = 'website' -%}
{%- assign og_description = page_description | default: shop.description | default: shop.name -%}

{%- if settings.share_image -%}
  {%- capture og_image_tags -%}
    <meta property="og:image" content="http:{{ settings.share_image | img_url: '1200x1200' }}">
  {%- endcapture -%}

  {%- capture og_image_secure_url_tags -%}
    <meta property="og:image:secure_url" content="https:{{ settings.share_image | img_url: '1200x1200' }}">
  {%- endcapture -%}
{%- endif -%}

{%- case template.name -%}
  {%- when 'product' -%}
    {%- assign og_title = product.title | strip_html -%}
    {%- assign og_type = 'product' -%}

    {%- if product.images.size > 0 -%}
      {%- capture og_image_tags -%}
        {%- for image in product.images limit:3 -%}
          <meta property="og:image" content="http:{{ image.src | product_img_url: '1200x1200' }}">
        {%- endfor -%}
      {%- endcapture -%}

      {%- capture og_image_secure_url_tags -%}
        {%- for image in product.images limit:3 -%}
          <meta property="og:image:secure_url" content="https:{{ image.src | product_img_url: '1200x1200' }}">
        {%- endfor -%}
      {%- endcapture -%}
    {%- endif -%}

  {%- when 'article' -%}
    {%- assign og_title = article.title | strip_html -%}
    {%- assign og_type = 'article' -%}
    {%- assign og_description = article.excerpt_or_content | strip_html -%}

    {%- if article.image -%}
      {%- capture og_image_tags -%}
        <meta property="og:image" content="http:{{ article.image | img_url: '1200x1200' }}">
      {%- endcapture -%}

      {%- capture og_image_secure_url_tags -%}
        <meta property="og:image:secure_url" content="https:{{ article.image | img_url: '1200x1200' }}">
      {%- endcapture -%}
    {%- endif -%}

  {%- when 'collection' -%}
    {%- assign og_title = collection.title | strip_html -%}
    {%- assign og_type = 'product.group' -%}

    {%- if collection.image -%}
      {%- capture og_image_tags -%}
        <meta property="og:image" content="http:{{ collection.image | img_url: '1200x1200' }}">
      {%- endcapture -%}

      {%- capture og_image_secure_url_tags -%}
        <meta property="og:image:secure_url" content="https:{{ collection.image | img_url: '1200x1200' }}">
      {%- endcapture -%}
    {%- endif -%}

  {%- when 'password' -%}
    {%- assign og_title = shop.name -%}
    {%- assign og_url = shop.url -%}
    {%- assign og_description = shop.description | default: shop.name -%}

{%- endcase -%}

<meta property="og:site_name" content="{{ shop.name }}">
<meta property="og:url" content="{{ og_url }}">
<meta property="og:title" content="{{ og_title }}">
<meta property="og:type" content="{{ og_type }}">
<meta property="og:description" content="{{ og_description }}">

{%- if template.name == 'product' -%}
  <meta property="og:price:amount" content="{{ product.price | money_without_currency | strip_html }}">
  <meta property="og:price:currency" content="{{ shop.currency }}">
{%- endif -%}

{{ og_image_tags }}
{{ og_image_secure_url_tags }}

{%- unless settings.social_twitter_link == blank -%}
  <meta name="twitter:site" content="{{ settings.social_twitter_link | split: 'twitter.com/' | last | prepend: '@' }}">
{%- endunless -%}

<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="{{ og_title }}">
<meta name="twitter:description" content="{{ og_description }}">