No interaction detection with battery powered devices & notification

gistfile1.txt

# Original reference: https://gist.github.com/sbyx/1f6f434f0903b872b84c4302637d0890

blueprint:
  name: No interaction detection with battery powered devices & notification
  description: Battery powered devices are prone to go from 50% battery to no communications without warning (i.e. deffective batteries) This blueprint find devices in your HASS installation were the last interaction is older than a defined threshold
  domain: automation
  input:
    threshold:
      name: Time since the last interaction
      description: Amount of time since the last interaction with the device (in seconds)
      default: 86400
      selector:
        number:
          min: 3600.0
          max: 2592000.0
          mode: box
          step: 3600.0
    time:
      name: Time to run the report
      description: Report will be sent at this time
      default: '09:00:00'
      selector:
        time: {}
    day:
      name: Weekday to send the report
      description: User can select a specific weekday for the report (defaults to everyday)
      default: 0
      selector:
        number:
          min: 0.0
          max: 7.0
          mode: slider
          step: 1.0
    exclude:
      name: Excluded devices
      description: Unwated battery powered devices in the report (i.e. smartphone)
      default: {entity_id: []}
      selector:
        target:
          entity:
            device_class: battery
    actions:
      name: Actions
      description: Way to send the report (i.e. notification). Tag {{devices}} represents the list
      selector:
        action: {}
variables:
  day: !input 'day'
  threshold: !input 'threshold'
  exclude: !input 'exclude'
  device_list: >
    {% set result = namespace(devices=[]) %}

    {% for device in states.sensor |rejectattr('attributes.device_class', 'undefined') | selectattr('attributes.device_class', '==', 'battery') %}
      {% set age = (as_timestamp(now()) - as_timestamp(device.last_updated)) | int %}
      {% if not (device.state == 'unavailable') and age > threshold  %}
        {% set result.devices = result.devices + [device.name ~ ' (' ~ (age / 3600) | int ~ 'h)'] %}
      {% endif %}

    {% endfor %}

    {{result.devices|join(', ')}}

    {% set result = namespace(devices=[]) %}
trigger:
- platform: time
  at: !input 'time'
condition:
- '{{ device_list != '''' and (day | int == 0 or day | int == now().isoweekday()) }}'
action:
- choose: []
  default: !input 'actions'
mode: single