script.liquid

{% assign update_customer_first_and_last_name = options.update_customer_first_and_last_name__boolean %}
{% assign update_customer_phone = options.update_customer_phone__boolean %}

{% unless update_customer_first_and_last_name or update_customer_phone %}
  {% error "Choose at least one of the update customer options." %}
{% endunless %}

{% if event.topic == "shopify/customers/update" %}
  {% assign customers = array %}

  {% capture query %}
    query {
      customer(id: {{ customer.admin_graphql_api_id | json }}) {
        id
        firstName
        lastName
        phone
        defaultAddress {
          firstName
          lastName
          phone
        }
        addresses {
          firstName
          lastName
          phone
        }
      }
    }
  {% endcapture %}

  {% assign result = query | shopify %}

  {% assign customers[0] = result.data.customer %}

{% elsif event.topic == "mechanic/user/trigger" %}
  {% capture bulk_operation_query %}
    query {
      customers {
        edges {
          node {
            id
            firstName
            lastName
            phone
            defaultAddress {
              firstName
              lastName
              phone
            }
            addresses {
              firstName
              lastName
              phone
            }
          }
        }
      }
    }
  {% endcapture %}

  {% action "shopify" %}
    mutation {
      bulkOperationRunQuery(
        query: {{ bulk_operation_query | json }}
      ) {
        bulkOperation {
          id
          status
        }
        userErrors {
          field
          message
        }
      }
    }
  {% endaction %}

{% elsif event.topic == "mechanic/shopify/bulk_operation" %}
  {% assign customers = bulkOperation.objects %}
{% endif %}

{% if event.preview %}
  {% capture customers_json %}
    [
      {
        "id": "gid://shopify/Customer/1234567890",
        "phone": null,
        "defaultAddress": {
          "firstName": "Jean",
          "lastName": "Deaux"
        },
        "addresses": [
          {
            "phone": null
          },
          {
            "phone": "+18885559876"
          }
        ]
      }
    ]
  {% endcapture %}

  {% assign customers = customers_json | parse_json %}
{% endif %}

{% for customer in customers %}
  {% assign first_name = nil %}
  {% assign last_name = nil %}
  {% assign phone = nil %}

  {% assign customer_addresses
    = customer.addresses
    | unshift: customer.defaultAddress
  %}

  {% if update_customer_first_and_last_name %}
    {% if customer.firstName == blank %}
      {% for customer_address in customer_addresses %}
        {% unless customer_address.firstName == blank %}
          {% assign first_name = customer_address.firstName %}
          {% break %}
        {% endunless %}
      {% endfor %}
    {% endif %}

    {% if customer.lastName == blank %}
      {% for customer_address in customer_addresses %}
        {% unless customer_address.lastName == blank %}
          {% assign last_name = customer_address.lastName %}
          {% break %}
        {% endunless %}
      {% endfor %}
    {% endif %}
  {% endif %}

  {% if update_customer_phone %}
    {% if customer.phone == blank %}
      {% for customer_address in customer_addresses %}
        {% unless customer_address.phone == blank %}
          {% assign phone = customer_address.phone %}
          {% break %}
        {% endunless %}
      {% endfor %}
    {% endif %}
  {% endif %}

  {% if first_name or last_name or phone %}
    {% action "shopify" %}
      mutation {
        customerUpdate(
          input: {
            id: {{ customer.id | json }}
            {% if first_name %}
              firstName: {{ first_name | json }}
            {% endif %}
            {% if last_name %}
              lastName: {{ last_name | json }}
            {% endif %}
            {% if phone %}
              phone: {{ phone | json }}
            {% endif %}
          }
        ) {
          customer {
            id
            firstName
            lastName
            phone
          }
          userErrors {
            field
            message
          }
        }
      }
    {% endaction %}
  {% endif %}
{% endfor %}