script.liquid

{% if options.ignore_customers_who_previously_ordered_after_this_date != blank and options.ignore_customers_who_previously_ordered_less_than_x_days_ago__number != blank %}
  {% error 'Choose only one "ignore" option at a time. Thanks! :)' %}
{% endif %}

{% capture query %}
  query {
    customer(id: {{ order.customer.admin_graphql_api_id | json }}) {
      orders(first: 2, sortKey: CREATED_AT, reverse: true) {
        edges {
          node {
            id
            createdAt
            name
          }
        }
      }
    }
  }
{% endcapture %}

{% assign result = query | shopify %}

{% if event.preview %}
  {% capture result_json %}
    {
      "data": {
        "customer": {
          "orders": {
            "edges": [
              {
                "node": {
                  "id": "gid://shopify/Order/2345678901",
                  "createdAt": "2020-00-00T00:00:00Z",
                  "name": "#1235"
                }
              },
              {
                "node": {
                  "id": "gid://shopify/Order/1234567890",
                  "createdAt": "1900-00-00T00:00:00Z",
                  "name": "#1234"
                }
              }
            ]
          }
        }
      }
    }
  {% endcapture %}

  {% assign result = result_json | parse_json %}
{% endif %}

{% assign previous_order_node = result.data.customer.orders.edges[1].node %}

{% log previous_order: previous_order_node %}

{% if options.ignore_customers_who_previously_ordered_after_this_date != blank %}
  {% assign nonsense_s = "asdf" | date: "%s" | times: 1 %}
  {% assign previous_order_threshold_s = options.ignore_customers_who_previously_ordered_after_this_date | date: "%s" | times: 1 %}
  {% if previous_order_threshold_s == nonsense_s %}
    {% error %}{{ options.ignore_customers_who_previously_ordered_after_this_date | json | append: " was not recognized as a valid date" | json }}{% enderror %}
  {% endif %}
{% elsif options.ignore_customers_who_previously_ordered_less_than_x_days_ago__number != blank %}
  {% assign time_window_s = options.ignore_customers_who_previously_ordered_less_than_x_days_ago__number | times: 24 | times: 60 | times: 60 %}
  {% assign previous_order_threshold_s = "now" | date: "%s" | minus: time_window_s %}
{% endif %}

{% if previous_order_threshold_s %}
  {% log %}{"previous_order_threshold": {{ previous_order_threshold_s | date: "%Y-%m-%d %T %Z" | json }}}{% endlog %}
{% endif %}

{% assign previous_order_qualifies = false %}
{% if previous_order_threshold_s == nil %}
  {% assign previous_order_qualifies = true %}
{% else %}
  {% if previous_order_node %}
    {% assign previous_order_created_at_s = previous_order_node.createdAt | date: "%s" | times: 1 %}
    {% if previous_order_created_at_s < previous_order_threshold_s %}
      {% assign previous_order_qualifies = true %}
    {% endif %}
  {% endif %}
{% endif %}

{% if previous_order_created_at_s < previous_order_threshold_s %}
  {% assign note = order.note | append: newline | append: newline | append: options.order_note_to_add__required_multiline | strip %}

  {% action "shopify" %}
    mutation {
      orderUpdate(
        input: {
          id: {{ order.admin_graphql_api_id | json }}
          note: {{ note | json }}
        }
      ) {
        userErrors {
          field
          message
        }
      }
    }
  {% endaction %}
{% endif %}