core/homeassistant/components/rova/sensor.py

146 lines
4.4 KiB
Python

"""Support for Rova garbage calendar."""
from datetime import datetime, timedelta
import logging
import voluptuous as vol
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.const import (CONF_MONITORED_CONDITIONS, CONF_NAME,
DEVICE_CLASS_TIMESTAMP)
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity import Entity
from homeassistant.util import Throttle
# Config for rova requests.
CONF_ZIP_CODE = 'zip_code'
CONF_HOUSE_NUMBER = 'house_number'
CONF_HOUSE_NUMBER_SUFFIX = 'house_number_suffix'
UPDATE_DELAY = timedelta(hours=12)
SCAN_INTERVAL = timedelta(hours=12)
# Supported sensor types:
# Key: [json_key, name, icon]
SENSOR_TYPES = {
'bio': ['gft', 'Biowaste', 'mdi:recycle'],
'paper': ['papier', 'Paper', 'mdi:recycle'],
'plastic': ['plasticplus', 'PET', 'mdi:recycle'],
'residual': ['rest', 'Residual', 'mdi:recycle']}
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_ZIP_CODE): cv.string,
vol.Required(CONF_HOUSE_NUMBER): cv.string,
vol.Optional(CONF_HOUSE_NUMBER_SUFFIX, default=''): cv.string,
vol.Optional(CONF_NAME, default='Rova'): cv.string,
vol.Optional(CONF_MONITORED_CONDITIONS, default=['bio']):
vol.All(cv.ensure_list, [vol.In(SENSOR_TYPES)])
})
_LOGGER = logging.getLogger(__name__)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Create the Rova data service and sensors."""
from rova.rova import Rova
from requests.exceptions import HTTPError, ConnectTimeout
zip_code = config[CONF_ZIP_CODE]
house_number = config[CONF_HOUSE_NUMBER]
house_number_suffix = config[CONF_HOUSE_NUMBER_SUFFIX]
platform_name = config[CONF_NAME]
# Create new Rova object to retrieve data
api = Rova(zip_code, house_number, house_number_suffix)
try:
if not api.is_rova_area():
_LOGGER.error("ROVA does not collect garbage in this area")
return
except (ConnectTimeout, HTTPError):
_LOGGER.error("Could not retrieve details from ROVA API")
return
# Create rova data service which will retrieve and update the data.
data_service = RovaData(api)
# Create a new sensor for each garbage type.
entities = []
for sensor_key in config[CONF_MONITORED_CONDITIONS]:
sensor = RovaSensor(platform_name, sensor_key, data_service)
entities.append(sensor)
add_entities(entities, True)
class RovaSensor(Entity):
"""Representation of a Rova sensor."""
def __init__(self, platform_name, sensor_key, data_service):
"""Initialize the sensor."""
self.sensor_key = sensor_key
self.platform_name = platform_name
self.data_service = data_service
self._state = None
self._json_key = SENSOR_TYPES[self.sensor_key][0]
@property
def name(self):
"""Return the name."""
return "{}_{}".format(self.platform_name, self.sensor_key)
@property
def icon(self):
"""Return the sensor icon."""
return SENSOR_TYPES[self.sensor_key][2]
@property
def device_class(self):
"""Return the class of this sensor."""
return DEVICE_CLASS_TIMESTAMP
@property
def state(self):
"""Return the state of the sensor."""
return self._state
def update(self):
"""Get the latest data from the sensor and update the state."""
self.data_service.update()
pickup_date = self.data_service.data.get(self._json_key)
if pickup_date is not None:
self._state = pickup_date.isoformat()
class RovaData:
"""Get and update the latest data from the Rova API."""
def __init__(self, api):
"""Initialize the data object."""
self.api = api
self.data = {}
@Throttle(UPDATE_DELAY)
def update(self):
"""Update the data from the Rova API."""
from requests.exceptions import HTTPError, ConnectTimeout
try:
items = self.api.get_calendar_items()
except (ConnectTimeout, HTTPError):
_LOGGER.error("Could not retrieve data, retry again later")
return
self.data = {}
for item in items:
date = datetime.strptime(item['Date'], '%Y-%m-%dT%H:%M:%S')
code = item['GarbageTypeCode'].lower()
if code not in self.data and date > datetime.now():
self.data[code] = date
_LOGGER.debug("Updated Rova calendar: %s", self.data)