core/homeassistant/components/rejseplanen/sensor.py

258 lines
8.0 KiB
Python

"""Support for Rejseplanen information from rejseplanen.dk.
For more info on the API see:
https://help.rejseplanen.dk/hc/en-us/articles/214174465-Rejseplanen-s-API
"""
from __future__ import annotations
from contextlib import suppress
from datetime import datetime, timedelta
import logging
from operator import itemgetter
import rjpl
import voluptuous as vol
from homeassistant.components.sensor import (
PLATFORM_SCHEMA as SENSOR_PLATFORM_SCHEMA,
SensorEntity,
)
from homeassistant.const import CONF_NAME, UnitOfTime
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
import homeassistant.util.dt as dt_util
_LOGGER = logging.getLogger(__name__)
ATTR_STOP_ID = "stop_id"
ATTR_STOP_NAME = "stop"
ATTR_ROUTE = "route"
ATTR_TYPE = "type"
ATTR_DIRECTION = "direction"
ATTR_FINAL_STOP = "final_stop"
ATTR_DUE_IN = "due_in"
ATTR_DUE_AT = "due_at"
ATTR_SCHEDULED_AT = "scheduled_at"
ATTR_REAL_TIME_AT = "real_time_at"
ATTR_TRACK = "track"
ATTR_NEXT_UP = "next_departures"
CONF_STOP_ID = "stop_id"
CONF_ROUTE = "route"
CONF_DIRECTION = "direction"
CONF_DEPARTURE_TYPE = "departure_type"
DEFAULT_NAME = "Next departure"
SCAN_INTERVAL = timedelta(minutes=1)
BUS_TYPES = ["BUS", "EXB", "TB"]
TRAIN_TYPES = ["LET", "S", "REG", "IC", "LYN", "TOG"]
METRO_TYPES = ["M"]
PLATFORM_SCHEMA = SENSOR_PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_STOP_ID): cv.string,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_ROUTE, default=[]): vol.All(cv.ensure_list, [cv.string]),
vol.Optional(CONF_DIRECTION, default=[]): vol.All(cv.ensure_list, [cv.string]),
vol.Optional(CONF_DEPARTURE_TYPE, default=[]): vol.All(
cv.ensure_list, [vol.In([*BUS_TYPES, *TRAIN_TYPES, *METRO_TYPES])]
),
}
)
def due_in_minutes(timestamp):
"""Get the time in minutes from a timestamp.
The timestamp should be in the format day.month.year hour:minute
"""
diff = datetime.strptime(timestamp, "%d.%m.%y %H:%M") - dt_util.now().replace(
tzinfo=None
)
return int(diff.total_seconds() // 60)
def setup_platform(
hass: HomeAssistant,
config: ConfigType,
add_devices: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the Rejseplanen transport sensor."""
name = config[CONF_NAME]
stop_id = config[CONF_STOP_ID]
route = config.get(CONF_ROUTE)
direction = config[CONF_DIRECTION]
departure_type = config[CONF_DEPARTURE_TYPE]
data = PublicTransportData(stop_id, route, direction, departure_type)
add_devices(
[RejseplanenTransportSensor(data, stop_id, route, direction, name)], True
)
class RejseplanenTransportSensor(SensorEntity):
"""Implementation of Rejseplanen transport sensor."""
_attr_attribution = "Data provided by rejseplanen.dk"
_attr_icon = "mdi:bus"
def __init__(self, data, stop_id, route, direction, name):
"""Initialize the sensor."""
self.data = data
self._name = name
self._stop_id = stop_id
self._route = route
self._direction = direction
self._times = self._state = None
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@property
def native_value(self):
"""Return the state of the sensor."""
return self._state
@property
def extra_state_attributes(self):
"""Return the state attributes."""
if not self._times:
return {ATTR_STOP_ID: self._stop_id}
next_up = []
if len(self._times) > 1:
next_up = self._times[1:]
attributes = {
ATTR_NEXT_UP: next_up,
ATTR_STOP_ID: self._stop_id,
}
if self._times[0] is not None:
attributes.update(self._times[0])
return attributes
@property
def native_unit_of_measurement(self):
"""Return the unit this state is expressed in."""
return UnitOfTime.MINUTES
def update(self) -> None:
"""Get the latest data from rejseplanen.dk and update the states."""
self.data.update()
self._times = self.data.info
if not self._times:
self._state = None
else:
with suppress(TypeError):
self._state = self._times[0][ATTR_DUE_IN]
class PublicTransportData:
"""The Class for handling the data retrieval."""
def __init__(self, stop_id, route, direction, departure_type):
"""Initialize the data object."""
self.stop_id = stop_id
self.route = route
self.direction = direction
self.departure_type = departure_type
self.info = []
def update(self):
"""Get the latest data from rejseplanen."""
self.info = []
def intersection(lst1, lst2):
"""Return items contained in both lists."""
return list(set(lst1) & set(lst2))
# Limit search to selected types, to get more results
all_types = not bool(self.departure_type)
use_train = all_types or bool(intersection(TRAIN_TYPES, self.departure_type))
use_bus = all_types or bool(intersection(BUS_TYPES, self.departure_type))
use_metro = all_types or bool(intersection(METRO_TYPES, self.departure_type))
try:
results = rjpl.departureBoard(
int(self.stop_id),
timeout=5,
useTrain=use_train,
useBus=use_bus,
useMetro=use_metro,
)
except rjpl.rjplAPIError as error:
_LOGGER.debug("API returned error: %s", error)
return
except (rjpl.rjplConnectionError, rjpl.rjplHTTPError):
_LOGGER.debug("Error occurred while connecting to the API")
return
# Filter result
results = [d for d in results if "cancelled" not in d]
if self.route:
results = [d for d in results if d["name"] in self.route]
if self.direction:
results = [d for d in results if d["direction"] in self.direction]
if self.departure_type:
results = [d for d in results if d["type"] in self.departure_type]
for item in results:
route = item.get("name")
scheduled_date = item.get("date")
scheduled_time = item.get("time")
real_time_date = due_at_date = item.get("rtDate")
real_time_time = due_at_time = item.get("rtTime")
if due_at_date is None:
due_at_date = scheduled_date
if due_at_time is None:
due_at_time = scheduled_time
if (
due_at_date is not None
and due_at_time is not None
and route is not None
):
due_at = f"{due_at_date} {due_at_time}"
scheduled_at = f"{scheduled_date} {scheduled_time}"
departure_data = {
ATTR_DIRECTION: item.get("direction"),
ATTR_DUE_IN: due_in_minutes(due_at),
ATTR_DUE_AT: due_at,
ATTR_FINAL_STOP: item.get("finalStop"),
ATTR_ROUTE: route,
ATTR_SCHEDULED_AT: scheduled_at,
ATTR_STOP_NAME: item.get("stop"),
ATTR_TYPE: item.get("type"),
}
if real_time_date is not None and real_time_time is not None:
departure_data[ATTR_REAL_TIME_AT] = (
f"{real_time_date} {real_time_time}"
)
if item.get("rtTrack") is not None:
departure_data[ATTR_TRACK] = item.get("rtTrack")
self.info.append(departure_data)
if not self.info:
_LOGGER.debug("No departures with given parameters")
# Sort the data by time
self.info = sorted(self.info, key=itemgetter(ATTR_DUE_IN))