Auto-tag orders by financial status, with Mechanic.

shopify/orders/updated

{% if event.preview %}
  {% assign order = hash %}
  {% assign order["admin_graphql_api_id"] = "gid://shopify/Order/1234567890" %}
  {% assign order["financial_status"] = options.financial_statuses_and_tags__required_keyval.first.first %}
  {% assign order["tags"] = "" %}
{% endif %}

{% assign order_tags = order.tags | split: ", " %}
{% assign tags_to_remove = array %}
{% assign tag_to_add = nil %}
{% assign valid_financial_statuses = "pending authorized partially_paid paid partially_refunded refunded voided" | split: " " %}

{% for pair in options.financial_statuses_and_tags__required_keyval %}
  {% assign financial_status = pair[0] %}
  {% assign tag_for_financial_status = pair[1] %}

  {% unless valid_financial_statuses contains financial_status %}
    {% capture message -%}
      The financial status {{ financial_status | json }} is not valid. Only these values are supported: {{ valid_financial_statuses | join: ", " }}.
    {%- endcapture %}
    {% error message %}
  {% endunless %}

  {% if order.financial_status == financial_status %}
    {% if order_tags contains tag_for_financial_status %}
      {% log message: "Order already has the right tag", financial_status: financial_status, tag: tag_for_financial_status %}
    {% elsif tag_for_financial_status != blank %}
      {% assign tag_to_add = tag_for_financial_status %}
    {% endif %}
  {% elsif options.remove_outdated_financial_status_tags__boolean and order_tags contains tag_for_financial_status %}
    {% assign tags_to_remove[tags_to_remove.size] = tag_for_financial_status %}
  {% endif %}
{% endfor %}

{% if tag_to_add or tags_to_remove != empty %}
  {% action "shopify" %}
    mutation {
      {% if tag_to_add != blank %}
        tagsAdd(
          id: {{ order.admin_graphql_api_id | json }}
          tags: {{ tag_to_add | json }}
        ) {
          userErrors {
            field
            message
          }
        }
      {% endif %}
      
      {% if tags_to_remove != empty %}
        tagsRemove(
          id: {{ order.admin_graphql_api_id | json }}
          tags: {{ tags_to_remove | json }}
        ) {
          userErrors {
            field
            message
          }
        }
      {% endif %}
    }
  {% endaction %}
{% endif %}