Home Assistant Calendar Sync Blueprint

calendar_sync.yaml

blueprint:
  name: Calendar Sync
  description: Create events in a calendar based on a date sensor
  domain: automation
  input:
    sensor:
      name: Date Sensor
      description: The source date sensor
      selector:
        entity:
          filter:
            - domain: sensor
              device_class: date
    calendar:
      name: Calendar
      description: The calendar to create the event in
      selector:
        entity:
          filter:
            - domain: calendar
    event_name:
      name: Event Name
      description: Set a specific name for the event. Use the sensor's friendly name if not provided

mode: single
max_exceeded: silent

variables:
  input_sensor: !input sensor
  input_calendar: !input calendar
  input_event_name: !input event_name

trigger:
  trigger: state
  entity_id: !input sensor

action:
  - action: calendar.get_events
    target:
      entity_id: !input calendar
    data:
      start_date_time: '{{ states(input_sensor) }}'
      duration:
        hours: 24
        minutes: 0
        seconds: 0
    response_variable:
      existing_events
  - condition: template
    value_template: '{{ not existing_events[input_calendar].events | selectattr("summary", "eq", input_event_name or state_attr(input_sensor, "friendly_name")) | list }}'
  - action: calendar.create_event
    target:
      entity_id: !input calendar
    data:
      summary: '{{ input_event_name or state_attr(input_sensor, "friendly_name") }}'
      start_date: '{{ states(input_sensor) }}'
      end_date: '{{ (states(input_sensor) | as_datetime + timedelta(days=1)).strftime("%Y-%m-%d") }}'