presense sensor

[rkrkrk0987]

based on notification and event_type there is a way how to track presense in dedicated sensor, example:

class EduPagePresenceSensor(CoordinatorEntity, SensorEntity):
    """Subject sensor entity for a specific student."""

    def __init__(self, coordinator, student_id, student_name, notifications):
        """Initialize the sensor."""
        super().__init__(coordinator)

        self._notifications = notifications
        self._student_id = student_id
        self._student_name = unidecode(student_name).replace(' ', '_').lower()

        self._attr_name = f"Presence {student_name}"
        self._name = self._attr_name

        self._unique_id = f"edupage_presense_{self._student_id}_{self._student_name}"

        _LOGGER.info("SENSOR unique_id %s", self._unique_id)

    @property
    def unique_id(self):
        """Return a unique identifier for this sensor."""
        return self._unique_id

    @property
    def state(self):
        """Return state."""

        for i, event in enumerate(self._notifications):
            if event.event_type == "pipnutie":
                if event.text.startswith('Odchod'):
                    return "Off"
                if event.text.startswith('Pr'):
                    return "On"

    @property
    def extra_state_attributes(self):
        """Return additional attributes."""

        attributes = {}

        attributes = {
            "student": self.coordinator.data.get("student", {}),
            "unique_id": self._unique_id
            }

        for i, event in enumerate(self._notifications):
            if event.event_type == "pipnutie":
                if event.text.startswith('Odchod'):
               	    attributes[f"event_{i+1}_text"] = event.text
                    attributes[f"event_{i+1}_timestamp"] = event.timestamp.strftime("%Y-%m-%d %H:%M:%S")
                    author_name = event.author if event.author else "no author"
                    attributes[f"event_{i+1}_author"] = author_name
                if event.text.startswith('Pr'):
               	    attributes[f"event_{i+1}_text"] = event.text
               	    attributes[f"event_{i+1}_timestamp"] = event.timestamp.strftime("%Y-%m-%d %H:%M:%S")
               	    author_name = event.author if event.author else "no author"
               	    attributes[f"event_{i+1}_author"] = author_name

        return attributes

or course all event_types can be taken from: https://github.com/EdupageAPI/edupage-api/blob/master/edupage_api/timeline.py#L16

[rkrkrk0987]

the message/notification itself is the same for arrival and departure/exit

so it has to be differenciated based on text itself (localized)

so in Slovak localization it is:

event_14_text: Odchod 03.12.2024 11:11:45
event_25_text: Príchod 03.12.2024 05:50:14

[rine77]

thanks for your additions! Will get further into it these days.

[rkrkrk0987]

ok, so... it is probably better to save state not as "on" or "off" but instead of "on" use timestamp, so it can be used even after reboot...

    @property
    def state(self):
        """Return state."""

        for i, event in enumerate(self._notifications):
            if event.event_type == "pipnutie":
                if event.text.startswith('Odchod'):
                    return "off"
                if event.text.startswith('Pr'):
                    return event.timestamp.strftime("%Y-%m-%d %H:%M:%S")
            return "off"

strftime("%Y-%m-%d %H:%M:%S") is probably good choice, because it is recognizable and still can be used as timestamp: (as_timestamp(states.sensor.presence_firstname_lastname.state, default=0)

and then in home assistant use it in template (for example validate presence even even on time of arrival to school (if forgot to use chip while leaving school):

{{
states.sensor.presence_firstname_lastname.state!="off"
and
(
  ( 
    as_timestamp(now()) 
    - 
    (as_timestamp(states.sensor.presence_firstname_lastname.state, default=0)|int(0)) 
  )|int(0)/60/60 < 7
)
}}

[rine77]

to me its best if you just fork the repo and create pull request. So everybody can test it and get some better idea. Would you be so kind?

[rine77]

I'll add you as contributer and you just try if you want.

[Haluska77]

hi guys, I have Edupage running on english, so my 'Odchod' a 'Prichod' is not found but having 'Arrival' and 'Departure' instead. Is not there any specifig flag for that type of event, just as per text recognition?

[rkrkrk0987]

no, have a look yourself, maybe you will have a better idea
https://github.com/EdupageAPI/edupage-api/blob/master/edupage_api/timeline.py#L224

you still can add English variant in condition using regexp or simple OR operator