plex-configs/home_assistant/blueprints/scripts/convert_user_id_to_user_name.yaml

blueprint:
  name: Convert User ID to User Name
  description: >-
    A script that determines the user name for a provided user ID.
  domain: script
  source_url: https://github.com/nwithan8/configs/blob/main/home_assistant/blueprints/scripts/convert_user_id_to_user_name.yaml
  input:
      store_in:
        description: The text input entity to store the result in
        name: Where to store result
        selector:
            target:
              entity:
                domain: input_text
fields:
    user_id:
        description: The ID of the user
        example: abcdef123456
        name: User ID
        required: true
        selector:
            text:
variables:
  store_in: !input 'store_in'
  user_name: >
        {% set user = None %}
    
        {% set matching_users = (states.person |
        selectattr('attributes.user_id','==', user_id) | list) %}
    
        {% if matching_users | length > 0 %}
          {% set user = matching_users | first %}
        {% else %}
          {% set user = "system" %}
        {% endif %}
    
        {{ "System" if user == "system" else state_attr(user.entity_id,
        "friendly_name") }}
sequence:
  - alias: Store calculated user name in text entity
    service: input_text.set_value
    data:
      value: "{{ user_name }}"
    target:
      entity_id: "{{ store_in.entity_id }}"