{% assign loc = shop.metafields.custom_fields["locations"] | split: "|" %}
{% if loc != blank %}
  <h3>Available at the following locations</h3>
  <table>
    {% for info in loc %}
      {% assign table_item = info | split: '='%}
      {% assign location_id = table_item[0] %}
      {% assign location_name = table_item[1] %}
      <td colspan="2"><strong>{{ location_name }}</strong></td>
      {% for variant in product.variants %}
        {% if variant.metafields.inventory_levels[location_id] != blank %}
          <tr>
            <td>{{variant.title}}</td>
            <td>{{ variant.metafields.inventory_levels[location_id] }} in stock</td>
    	  </tr>
      	{% endif %}
    {% endfor %}
   {% endfor %}
  </table>
{% endif %}